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Expert Answers about GMC


  • Will Electric Trailer Brake Assemblies # AKEBRK-35-SA Fit 10 inch Drums
  • The Electric Trailer Brake Kit # AKEBRK-35-SA will fit your 10 inch hub/drums. Now if your 10 inch drums are already fitting well behind a 13 inch wheel then this would not affect it in any way.
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  • Replacement Anchors and Handles for Curt A30 Fifth Wheel Hitch for 2021 GMC Sierra 3500
  • For your Curt A30 that fits your 2021 GMC Sierra 3500 the correct anchor kit would be the part # C93UR and then for the handles you'd want the part # C33UR and you'd be set.
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  • Replacement 7-Way for 2008 GMC Sierra
  • A standard 7-way socket like the part # A10-7072VP would fit the round connector of your 2008 GMC Sierra that you need a 7-way for. We don't have access to the Lance pin out.
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  • Will Longer Ball Mount Prevent Trailer from Coming Into Contact with Truck
  • It's not common for a bumper pull trailer to make contact with the tow vehicle during sharp turns, this is very unusual so I can't really say how long of a shank you would need to prevent this. It's all specific to your application which seems to be a bit out of the ordinary. That said, the B&W Tow & Stow 3-Ball Mount part # BWTS20048B for example is a great all around option for towing since it has multiple hitch balls so you can tow pretty much any trailer, a stowaway design for easy...
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  • Do Roadmaster Diode Wiring Kits Allow Backfeeding
  • The diodes of the Roadmaster diode kit part # RM-154 that you referenced only allow current to flow in one direction. You would not have to worry about back feeding.
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  • Tow Mirrors that Fit 2023 GMC Sierra 1500 with Camera Built Into Mirror Housing
  • Yes, the K-Source Tow Mirrors part # KS80930 are a confirmed fit for your 2023 GMC Sierra 1500 and have cutouts along the bottom to allow the camera you mentioned to work so this would work great for you.
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  • Parts Needed to Flat Tow 2019 GMC Acadia
  • The parts mentioned are great for flat towing your 2019 GMC Acadia: Blue Ox Base Plate Kit # BX1728 Blue Ox Alpha # BX7380 Roadmaster Diode 7-Wire to 6-Wire Flexo-Coil Wiring Kit # RM-15267 Quick Battery Disconnect # RM-766 Blue Ox Patriot II # BLU37TR 12 Volt Outlet Kit # RM-9332 Some people prefer the removable braking system since there isn't a longer initial install but if you prefer a permanent install the SBS DUO part # SM99251 is the way to go as it has the easiest install, works...
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  • How to Pick Out Hub and Lighting for Harbor Freight Trailer
  • You are going to have to pull a hub off your trailer to determine if the hub you referenced would fit it. We have to match either spindle dimensions or bearing numbers to know if the part # AKIHUB-440-2-1K is a correct replacement. The bearings of this hub are: Inner bearing: L44643 (1" inner diameter) Outer bearing: L44643 (1" inner diameter) For a submersible LED trailer light kit the part # TLL9RK is our most popular submersible option and would work well. I attached an install video...
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  • Choosing Between 3,000 and 5,000 Lb SumoSprings Rebel Custom Helper Springs for 2022 GMC Sierra 2500
  • In regards to the SumoSprings Rebel Custom Helper Springs for a 2022 GMC Sierra 3500; part # SSR-203-40-2 for 3,000 lbs or part # SSR-203-47-2 for 5,000 lbs, I don't recommend just going with the highest rated option as it's best to be in the middle of the spring's capacity as this will allow them to provide the best mix between support and comfort. If the trailer weighs 14,500 lbs then the pin weight is likely around 2,200 lbs. I'm sure the 3,000 lb option would be alright but you are...
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  • 2 Bike Rack Recommendation with Tilt and Locks
  • For a tilting bike rack that can carry 2 bikes and has locks for the bikes and for the rack to the hitch we have the Thule Apex XT part # TH9024XT. This rack is very stable and easy to use too so it would be a great option. I attached a review video for this rack installed in a similar truck's hitch as well.
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  • Hight Capacity Trailer Hitch for 2003 GMC Sierra 2500HD without Rear Bumper
  • Since the hitches we offer for your 2003 GMC Sierra 2500HD attach to the frame and not the bumper they will all still fit and work great. The Curt Class V hitch # C15703 would be an excellent option as it has plenty of weight capacity as it's rated for up to 18,000 lb trailer weight.
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  • Will Air Lift SlamAir AL59209 For 2016 GMC Sierra 3500 Fit 3 Wide Leaf Springs?
  • I have another option for you, but the Air Lift SlamAir # AL59103 is not confirmed to fit your 2016 GMC Sierra 3500. Instead we have the SlamAir # AL59209 which is confirmed to fit your 2016 GMC Sierra 3500 as long as it has the 6-3/4' bed, is 2WD, and does not have a 5th wheel or gooseneck hitch installed. If your truck does not match the above requirements then unfortunately we do not have a kit that will work for you. This will fit 3" wide leaf springs just fine as the U-bolts are 3"...
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  • Is There a Rhino Rack Backbone System for a 2011 GMC Sierra
  • I do have some great roof rack options for a 2011 GMC Sierra but there is not a Rhino Rack Backbone System for this vehicle. Instead, I recommend a traditional clamp-on roof rack like the Rhino-Rack Vortex Aero Crossbar System part # RRVA137B-2, part # RRRLKVA, and part # DK227. There are no permanent options.
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  • Timbren Suspension Enhancement that Fits 1989 21 ft GMC Class C Motorhome
  • We have a similar Timbren setup that fits your 1989 21 ft GMC Class C motor home with the part # TGMRG30 but SumoSprings does not offer anything that fits your motorhome.
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  • Recommended Flat Towing Base Plate Kit for 2021 GMC Canyon
  • I'd recommend a direct connect type base plate, like the Roadmaster # RM37VR. For a diode kit, I'd go with part # RM-15267, and for an automatic battery disconnect, use # RM-766 from Roadmaster, which is compatible with gas engine equipped Canyon models with a single battery. For a supplemental braking system I'd recommend the Demco Air Force One, part # SM99243. The beauty of a permanently mounted system like this is that it's always ready to use. Just connect the tow bar, plug in the...
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  • Roof Rack Recommendation for a 2008 GMC Canyon
  • The Sportrack Semi-Custom Roof Rack part # SR1005 is a confirmed fit for your 2008 GMC Canyon. I have a better option though as these semi-custom racks just don't always fit vehicles perfectly. Instead I would recommend the custom fit Inno Rack part numbers # INB127, # INSUT, and # INK153. This is going to fit much better as it is designed to work with your vehicle specifically and would be a much better option overall.
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  • Recommended ISR Custom Fifth Wheel Base Rail Installation Kit for 2021 GMC Sierra 2500
  • I suggest the Curt Custom Fifth Wheel Installation Kit for Chevy/GMC Truck, # C16429-204 for your 2021 GMC Sierra 2500. This ISR kit requires no drilling and provides a custom fit for your GMC Sierra 2500. Includes everything you need for installation. Please note the linked installation video below.
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  • What Tire Chains do You Recommend for My 2022 GMC Sierra Limited with 275/60-20 Tires?
  • We definitely have what you are looking for! For Titan Chain Cables that fit your 2022 GMC Sierra 1500 Limited with 275/60-20 tires, those are the Titan Chain Cable Snow Tire Chains - Ladder Pattern - Steel Rollers - 1 Pair # TC3029. In order to safely use these cables on your 1500, I recommend measuring your wheel well clearance for the required length. These cables require a minimum of 1.46" (37 mm) between the top of the tire tread and the wheel well and at least 0.59" (15 mm) between...
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  • Parts Needed to Flat Tow 2008 GMC Acadia
  • Aside from braking you'd need a base plate kit like the Blue Ox part # BX1675 which is a confirmed fit for your 2008 GMC Acadia. One of the most popular compatible tow bars is the Blue Ox Avail # BX7420 which comes with safety cables. The coiled design helps keep the cables off of the ground. For lighting you can use the diode kit, # RM-15267, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control...
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  • Recommended Weight Distribution Hitch For a 2015 Forest River Rockwood Roo 19 Travel Trailer
  • I recommend using the Fastway e2 Weight Distribution # FA92-00-0800 to tow your 2015 Forest River Rockwood Roo 19. The weight distribution helps to reduce rear end sag and keeps your 2008 GMC Envoy level when towing. This gives you improved steering feel and braking. It will also help to reduce trailer sway as the hitch has sway control built in. This hitch is rated for a trailer weighing up to 8,000lbs with a tongue weight of 400-800lbs. Your Roo has a dry tongue weight of 446lbs with...
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