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  1. Custom Fit Vehicle Wiring
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  3. Custom Fit
  4. 7 Round - Blade
  5. Fifth Wheel and Gooseneck Wiring
  6. 10 Feet Long
Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug

Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug

Item # 40167
Retail:$106.59
Our Price: $78.76
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Custom Fit Vehicle Wiring

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Hopkins Fifth Wheel and Gooseneck Wiring - 40167
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Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper. 90-Degree-angled connector fits into tight spaces. 1-800-940-8924 to order Hopkins custom fit vehicle wiring part number 40167 or order online at etrailer.com. Free expert support on all Hopkins products. Great prices and Fastest Shipping for Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug. Custom Fit Vehicle Wiring reviews from real customers.
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  • Reviews (95)
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Hopkins Custom Fit Vehicle Wiring - 40167

  • Custom Fit
  • 7 Round - Blade
  • Fifth Wheel and Gooseneck Wiring
  • Hopkins
  • 10 Feet Long

Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper. 90-Degree-angled connector fits into tight spaces.


Features:

  • Provides 7-way, blade-style connector in your truck bed for hassle-free hookup of 5th-wheel and gooseneck trailers
    • Connector head is designed with 90-degree angle so it fits into tight spaces in truck-bed side rails
    • Lid with oversize hinge opens 180 degrees for easy connection
  • Retains the use of the 7-pole connector at the rear of your truck
  • Installs quickly and easily - no cutting or splicing required
    • Plug T-connector into factory wiring and your vehicle's factory-installed 7-way connector
    • Run 10' long wiring harness from rear bumper to truck bed
  • Offers enhanced weatherproofing with internal seals, corrosion-resistant terminals and rubber-coated copper wiring
  • Constructed of extremely durable ABS plastic
  • Includes self-tapping screws, dielectric grease packet and nylon ties for installation


Specs:

  • Harness length: 10'
  • Wire gauges:
    • Purple/green/yellow/brown: 16
    • Blue/red/white: 12
  • 3-Year limited warranty


This T-connector wiring harness uses your factory tow package to add a 7-way socket in your truck bed while also retaining the use of the 7-way at your vehicle's bumper. The harness plugs into the back of your 7-way at the bumper and also into your factory wiring. And it provides 10 feet of cord to run the second 7-way connector to your truck bed. Installing a second 7-way connector in your truck bed makes it easy to connect the 7-way plug from your fifth-wheel or gooseneck trailer.



40167 Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Way Blade Plug



This Product Fits The Following Vehicles



California residents: click here


Customer Satisfaction Score:


Customer Reviews

Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug - 40167

Average Customer Rating:  4.9 out of 5 stars   (95 Customer Reviews)

Mount this 7-way, RV-style connector in your truck bed to simplify hookup of your 5th-wheel or gooseneck trailer. Harness plugs into existing wiring and retains use of factory 7-pole at the bumper. 90-Degree-angled connector fits into tight spaces.

by:

I ordered this plug to replace a splice job done by a rv company. The previous plug was installed in the pillar next to the tailgate so clearance was a big issue. This plug with the two smaller gray plugs went in with a breeze. And now if I have any issues I can unplug and replace if need be. No more fighting a wire splice.

Craig T.

2/20/2018

Good morning, the kit that I purchased worked like factory and the best of all it was plug and play. Thanks for helping with the purchase you guys are awesome:



by:
2004 Ford F-250 and F-350 Super Duty

After reading the reviews I started not to order this . My overall experience though was very good though. The trailer wiring harness I ordered was $140 cheaper than the dealership it was shipped promptly and arrived promptly thank you etrailer. I knew that a company dealing with thousands of products that mistakes are going to be made so I took a chance and you should too.

Alton B.

7/30/2018

Couldnt be happier with my purchase and product is great. Thanks.



by:
2002 Ford F-250 Super Duty

After doing some research and trying to figure out what style and brand of ball mount to get…..I settled on this B&W product. Its nice to have the ability to adjust your ball mount for different trailers just in case you need to. Being a machinist, I found that this was very well made……no burrs anywhere, clean welds, very nice powder coat finish and packed in heavy duty cardboard to prevent hopefully no issues with shipping.



by:

15 minutes after wiring harness was delivered, it was installed. My husband drilled the 2 1/8” hole & I snapped the harness together. Done



by:
2003 Ford F-250 and F-350 Super Duty

Fits perfectly. Makes for a factory quality installation.



by:

Great experience with E trailer. Great costumer service, the right parts got shipped the first time. Easy package tracking on your phone too. Definitely will shop again will E trailer.

Mark

11/13/2022

The product is still working out great.



by:

Customer service helped me pick out a plug n' play system for my truck. It was incredibly easy to install! I had returned 3 that I bought from box stores that would not work or I had to cut wires.



by:
2002 Ford F-250 and F-350 Super Duty

Good product. Shipping was aceptable. I would like to have the pack of the 7 pin and wiring harness sealed from the elements. The location behind the rear wheel will definitely kick up a lot of mud and water on back of this connector. I taped it with about a roll of black tape to help keep the elements out. The end with the factory plugs worked great. Plugged in to my factory wiring harness. I also replaced my trailer wiring harness with the OEM harness.Both of these worked together eliminating having to splice into my factory trailer wiring harness.

Mark

2/12/2020

Good as new no problems



by:
2002 Ford F-350 Super Duty

I was looking for the wiring harness to replace the one on my 2002 F350, even the dealers couldn't find what I needed.
I went surfing the Internet and found exactly what I was looking for. I want to send kudos to etrailer for their quick service and keeping me informed about my order.
I received the plug-in harness yesterday and installed it today.
If a 70 year old woman can do it, anybody can.
Thank you etrailer!!!

Lorine L.

6/8/2018

After a year, still no problems.



by:
2004 Ford F-250 and F-350 Super Duty

Just installed this as a bumper hitch version, did a service loop with the unused wiring and tie-wrapped everything up tight. Yes, grabbed a four pole adapter for it. I haven't towed with it yet but the continuity check is good, the wiring and connectors are well made and protected, and if needed I'd buy this product again.

Brian

5/11/2019

No issues thus far!



by:
2003 Ford F-250 and F-350 Super Duty

I bought this wiring adaptor to provide for an in-bed connection for my slide-in truck camper.

I wanted my connection to be at the front of the bed so the length of this adaptor was a concern. But I had PLENTY of length and reaching from the rear of the truck to the front of the bed wasn't an issue at all. In fact, I had about 1 extra foot to spare.

Installation was as easy as I had hoped. It plugged right into existing harness and I was up and running in about 2 hours - which includes time to drill the hole in the bed of my truck, time to adequately drill a hole for the grounding wire, time to zip tie the wire to the frame. My only complaint (and its a small one) is that the kit could've come with more zip ties. I needed to dip into my own stock of them to properly secure the cord to the frame of the truck.

I hauled my camper just this past weekend and everything worked flawlessly.

I gladly recommend this product. Fast shipping, great customer support, no problems at all. Thanks guys.



by:
2004 Ford F-250 and F-350 Super Duty

I am very pleased with my purchase. From the sales person (Donna) to the follow up after being shipped (Carol C) to the tech support I am very impressed with the whole experience. I received in an excellent time-frame , 24 hours later installed, hooked up and rolling down the road. If I need any product in the future I know where my go to source will be.
Thanks;
Lowell K.

Lowell K.

4/21/2020

After a year of use, I am as pleased as I was when I originally installed it. Their follow-up was impressive, making sure I was still a satisfied customer. Great customer service! 5 [stars]



by:
2003 Ford F-350 Super Duty

Replaced the factory 5th wheel harness with the 40167 harness on my 2003 f350 Super Duty 6.0L long bed. Snap fit! I also added a bumper mount Pollack 7-Pole and 4-Pole Trailer connector HM40975-11998 Vehicle end splicing in my old 7-Pole factory plug (pulled the red insulator out of the factory plug end) to connect the the HM40975-11998 plug. I can now connect in the bed or to a pull behind with a 7 or 4 way. Slide in camper, 5vr, or trailer is now no problem. Thanks etrailer!



by:
2002 Ford F-250 and F-350 Super Duty

Excellent product. Easily installed and worked exactly as advertised. Got my fifth wheel wiring inside my pickup box like it should be and lit up and my four wheeler trailer lights up like its supposed to. Thanks for an excellent product.



by:
2016 Ford F-250 Super Duty

Used as replacement for factory trailer tow wire harness 2C3Z-13A576-DA that i lost shim for on one side and clip broke on the other.
Works great. Didnt want to have to splice oem frame wiring.
Using on 2002 F250 CCLB with factory tow package on a 2016 bumper.



by:

Done great, used with all my trailers, car trailers, gooseneck deckover, etc, keeps me lit up and stopping good and on the road definitely recommend if you have no plug or wiring issues



by:

Great product. Installation was easy. Works great. Use it to pull my 28 foot gooseneck trailer. My old trailer plug wouldn't let me use my trailer brakes and this one does. Awesome product would recommend it to anyone.



by:
2002 Ford F-250 and F-350 Super Duty

Tried to get this part at local trailer shop. Was told that the only option was a 5th wheel split, that occurs at the back of the bumper plug. I wanted a split at the factory plug, reducing the risk of losing both plugs due to corrosion at bumper plug. E trailer had what I wanted, it was less than local shop and I had it in about a week. E- trailer is now on my go to list. Thank You.



by:
2004 Ford F-250 and F-350 Super Duty

great product, for goose neck and fifth wheel trailers,plugs in easily to existing wiring, stops the plug from pulling out from the rear.



by:
2002 Ford F-350 Super Duty

Initially shipped wrong product but not their problem. Seems my 2002 F-350 model year had two different connectors. Contacted them and they immediately shipped out a replacement. They also gave me free return of the original part.
Customer service was very nice and provided prompt service.



by:

Very pleased with ETrailer. Delivery was incredibly fast. The only reason this product is getting 4 stars instead of 5 is because there was no self-tapping screw provided for the grounding wire. Considering that everything else is included, it doesn't make sense to leave that piece of hardware out.



by:

The wiring harness I got you s for my 5th wheel plug. It got rid of all the splices that was all corroded and didn’t work. The new one has taken care of that problem.



by:
2004 Ford F-250 and F-350 Super Duty

This product was of high quality and fit as instructed. It cured the problems I had with a harness that was spliced together with the guillotine connectors that always seem to corrode. The help I received from etrailers product support removed any doubt about the product I needed and the shipping was extremely fast. I will put all of my trailer needs online with etrailer.



by:
2002 Ford F-250 and F-350 Super Duty

I just installed this today. Once I figured out where I the location it only took 15 minutes to install. The connectors look to be the same quality as the original equipment.



by:

Friendly people with knowledge of their reliable products. If they sell it, it works. Have been pleased with this wiring for my pickup. Excellent!


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Show More Reviews

See what our Experts say about this Hopkins Custom Fit Vehicle Wiring

  • Replacement Trailer Wiring Harness for 2002 F350 Superduty with Square OEM Plug
    We do have one option that would work on the plug you're showing me with the Hopkins Endurance 5th Wheel/Gooseneck 90-Degree Wiring Harness with 7-Pole Plug # 40167. You'll plug into this plug using the tee end, and one end will remain open. It looks like maybe you had a factory towing plug installed at one point and it's since been removed, but this will work well to provide you with a new working 7 way plug for your 2002 F-350. I've linked an installation video of this harness for you...
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  • Wiring Harness with Square Connector for 2004 Ford F-250 Super Duty
    Thank you for the photo of your Ford F-250's trailer wiring that has a square OEM connector o one end and both 4-pole and U.S. Car (round) connectors on the other end. We do not have this exact part (it may be OEM) but we do have wiring items with that square connector, such as 7-way # 40167 and 4-poles # C55265. These could be piggy-backed together to give you both connectors active at once. If you prefer you could use # 40167 and splice in a 4-pole like # C58044.
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    Image 1 for
  • Options for Installing 5th Wheel/Gooseneck 7-Way in Bed of 1996 Ford F-250
    If the 7-way you have at the rear of your 1996 has a round connector like what you can see in the attached picture I have a really easy solution for a 5th wheel 7-way with the part # 41157 but we don't have anything like the 40167 that would fit your truck. The 41157 installs inline with the standard 7-way connector like what you most likely have at the rear of your truck. Otherwise you'd have to hardwire in the 7-way with the # 20023.
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  • Fifth Wheel Trailer Wiring Harness Recommendation for 2002 Ford F-250
    For your 2002 Ford F-250 we have the Hopkins 7-Way Fifth Wheel Harness part # 40167 which is very similar to the # 118243 except designed to fit your specific vehicle. As long as you have the factory 7-way harness at the rear of your truck this is designed to fit and work well. I attached an install video for this for you to check out too.
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  • Fifth Wheel Hitch, Install Kit and In-Bed Trailer Connector Recommendations for 2004 Ford F250
    It sure will. The Pro Series Sliding Fifth Wheel Hitch # PS30129 includes the # RP30035 universal fifth wheel install kit. The hitch itself is what I could consider an entry-level hitch that uses a slide bar jaw. This set up would be best for somebody that doesn't tow very often, and the fit between the jaw and king pin is fairly loose. The king pin can move around a bit in the jaw, and this banging and clanging can be transferred to the tow vehicle. If you plan on towing frequently for...
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  • Replacement 7-Way Trailer Connector for a 2003 Ford F-250 Super Duty
    Ford Replacement OEM Tow Package Wiring Harness # 118243 is not confirmed to fit the 2003 Ford F-250 Super Duty. But what you could do is use # 40167 which is a fit. It is basically an in-bed 5th wheel/gooseneck 7-Way that Tees in with the factory trailer wiring. I have linked a video showing how it tees in.
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  • No Running light or 12 Volt Power on 7-Way Connectors for 2004 and 2006 Ford F-250
    There could be a relay or relays that are bad or missing on your 2004 and 2006 Ford F-250 trucks. On the 2004 make sure the fuse in location 38 is good, it is for trailer tow parking lamps. Location 115 is the fuse for the 12 volt circuit and location 305 is the 12 volt circuit relay. On the 2006 location 38 is trailer tow parking lamps. Location 107 is for the 12 volt circuit, and location 301 is the 12 volt circuit relay. If you are testing for power at the connector under and a little...
    view full answer...
  • Recommended Gooseneck Trailer Hitch for a 2004 Ford F-250 Super Duty
    There are several options for your 2004 F250, but I really like the B&W Turnoverball, part # BWGNRK1108. When the ball is reversed, you'll have full use of your truck bed with no obstructions. The hitch carries a 30,000 lb rating, but that capacity will be limited by the towing capacity of your truck, which is less. If you don't already have a trailer connector installed in the truck bed, you can do so by using part # 40167.
    view full answer...
  • Will the Ford Replacement OEM Tow Package Wiring Harness # 118243 Fit a 2002 Ford F350 SD
    I spoke with my contact at Tow Ready and he said that the Ford Replacement OEM Tow Package Wiring Harness, # 118243, is for use on the 1999 to 2001 model super duty trucks. This harness may plug into the factory connector, but the pin layout changed between the 2001 and 2002 model years. I read the review by JB350 that you referenced and the harness may very well plug in, but due to the pin configuration, there could be issues with the functions. We have not performed testing nor has...
    view full answer...
  • Bumper-Mount & Bed-Mount 7-Way Trailer Sockets for 2003 Ford F-250
    You can use the harness portion of kit # 40167 to plug in to the OEM wiring on your 2003 Ford F-250 but change out the socket part with part # HM40975 for use on your bumper. Then for the truck bed gooseneck harness you can use the 7-way # C56000 which will connect between the bumper socket and OEM wiring using round U.S. Car connectors.
    view full answer...
  • 5th Wheel/Gooseneck Trailer In-Bed Wiring Harness for a 2002 Ford F-250
    Wiring harness # HM40157 is listed as a fit for a 1999 to 2001 Ford F-250/F-350, but not a 2002. For a 2002 you can use harness # 40167. We have a few other options and I have included a link to them for you.
    view full answer...
  • Can 7-Way/4-Way HM40975 be Used in Fifth Wheel Gooseneck Truck Bed Wiring Harness
    The only way to accomplish what you are looking to do is use the part # 40167 and then swap out the 7-way that comes with it for the # HM40975. We don't sell the # HM40975 in a gooseneck 7-way configuration because most people would not also need a 4-way up in the truck bed as well.
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  • Recommendation for a Gooseneck Hitch on 2002 Ford F350 4x4 Long Bed
    According to B&W, on gas trucks the exhaust will not cause any clearance issues. On models with Diesel engines, in some cases the muffler might need to be moved slightly to clear the hitch. There is an bracket included with the hardware kit that is used to relocate the muffler if needed. The installation instructions make no mention of the need to relocate a brake line, they just mention that they want to be aware of where they are to make sure you don't damage them when positioning the...
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  • Fifth Wheel/Gooseneck Wiring Recommendation for a 2003 Ford F-250 Flatbed
    This Fifth Wheel / Gooseneck Trailer Hitch Wiring Harness # 40167 would plug into the factory harness of your 2003 Ford F-250. You would not have to splice into the wiring of your factory harness with this product. There is no reason you could not use the wires from this harness to power some clearance lights on your flat bed. I would recommend using LED lights since the have the lowest amperage draw.
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  • Recommended Replacement 7-Way Trailer Wiring Harness For 2003 Ford F-350
    The 7-way connector I recommend for your 2003 F-350 is part # 40167. Since there are no standard connectors available you can use this harness and just secure the excess wire under the truck out of the way. Another option is to use part # 20024. This is a hardwire installation so you would need to cut the square connector off of your truck wiring along the frame rail and use this harness. For both of these you will need to install the harness using the included brackets as they do not...
    view full answer...
  • Recommended 5th Wheel Truck Bed Wiring Harness for 2004 Ford F-250 Crew Cab
    The correct Hopkins wiring harness for your 2004 Ford F-250 Crew Cab is the # 40167. This will have the correct connectors to adapt your factory 7-way on your F-250 to provide you with a 7-way in the bed of your truck too. The # HM40147 you were looking at is designed for the F-150 models. I have linked an installation video of this connector being installed for your convenience.
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  • How Long is Pollak 5th Wheel / Gooseneck Trailer T-Connector # PK11893-11932 for a 2002 Ford F-350
    The length of the Pollak 5th Wheel / Gooseneck T-Connector, # PK11893-11932, is approximately 7-1/2 feet long. There are other connectors with different lengths if you are looking for something that is longer. The 7-1/2 feet of length should be long enough to reach the front of the wheel well but you can measure your 2002 Ford F-350 to be sure. You will likely need to go up and over or around various components to get to where you need it to be. We have a couple of harnesses that are slightly...
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  • 4- and 7-Way Trailer Connector for 2003 Ford Super Duty with Square Factory Connectors
    The early 2000s Ford trucks could have either a round connector that plugs into the trailer connector or a square one. Yours is the square one which means # 74682 will not fit. Since there isn't a 7- and 4-Way with the square connectors what you can do is use just the wiring harness from # 40167 with connector # HM40975 to provide both a 4- and 7-Way at the back of your truck.
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  • Fifth Wheel Wiring Harness for 2005 Ford F250
    Hopkins does offer an Endurance 5th Wheel Trailer Wiring Harness that is compatible with your 2005 F250, part # 41157. The Hopkins Endurance 5th Wheel Wiring Harness you mentioned, part # 40167 fits up to the 2004 F250 only, and would not work with your truck, according to Hopkins. To view an install video showing a fifth wheel wiring harness being installed on a 2006 F350, click the provided link. The video shows a different model harness being installed, but the procedure would be...
    view full answer...
  • 7-Way Wiring Harness for 2002 Ford F-350 Super Duty with Square Connector
    It sounds like your truck will use a 7-way harness like Hopkins # 40167 which uses connectors like what you describe. Please refer to the linked photo that shows those connectors. This includes a 7-way socket that plugs into the included round U.S. Car connector on the other end of the 10-foot harness.
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    Image 1 for
  • Recommended Wiring harness for 2003 Ford F-150 and 2001 Ford F-250 Super Duty
    It sounds like you are looking for the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package - 7-Way and 4-Pole Flat Connectors # C55774 which is a confirmed fit for your Ford F-150. For your F-250 the only connection I see is the # 40167 with the long harness or the Curt T-Connector Vehicle Wiring Harness for Factory Tow Package # C55242. Both only have the 7-way but can use the Hopkins Endurance Multi-Tow 7-Way RV and 4-Way Flat Trailer Connector # HM40950 to get both. If...
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  • Fifth Wheel Hitch Frame Mounting Brackets for a 2003 Ford F250
    The mounting rails that sit in the truck bed that provide the connection point for the hitch can be reused, but you'll need new frame mounting brackets (unless you've used a universal mounting kit like # RP30035) and hardware, as the hardware is meant for a one time use only. For the Ford, I'd recommend going with the Reese custom install brackets, part # 50043, which included the hardware to mount the brackets to the truck frame. To attach the bed rails to the frame brackets, you'll need...
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  • 7-Way Trailer Wiring Solution that Fits 1991 Ford F-350
    We don't have anything that is confirmed as a fit for your 1991 Ford F-350 that is a custom fit 7-way that would utilize factory connections. The only 7-way solution we have would be the Draw Tite part # 20023 which requires hardwiring into your taillight circuits.
    view full answer...
  • In-Bed 5th Wheel/Gooseneck Trailer Wiring Harness for a 2006 Ford F-250 Super Duty
    There are several 5th wheel and gooseneck trailer wiring harnesses that you could install in your 2006 Ford F-250. I have included a link to them for you to view. For Hopkins you could use # 41157. The harness that you have referenced # 40167 is designed to fit 2002 to 2004 Ford F-250 and F-350 trucks.
    view full answer...


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Info for this part was:

Employee Mike L
Expert Research:
Mike L
Employee Michael H
Expert Research:
Michael H
Employee Jameson C
Expert Research:
Jameson C
Employee John H
Expert Research:
John H
Employee Adam R
Expert Research:
Adam R
Employee Jeffrey L
Expert Research:
Jeffrey L
Employee Joshua S
Video by:
Joshua S
Employee Nicholas E
Test Fit:
Nicholas E
Employee Laura H
Updated by:
Laura H
Employee Alexander C
Updated by:
Alexander C
Employee Cole B
Installed by:
Cole B
Employee Sue W
Video Edited:
Sue W

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