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Expert Answers about GMC Sierra


  • Comparing Design of Galvanized 8 Inch Trailer Wheel vs White Powder Coated Steel Wheel for Capacity
  • The Steel Trailer Wheel - 8" x 3-3/4" Rim - 4 on 4 - Galvanized Finish # AM20003 has a center pilot hole that is 2.5 inches diameter. The Steel Trailer Wheel - 8" x 3-3/4" Rim - 4 on 4 - White # AM20001 has a pilot hole that is 2.5 inches diameter as well. We will update our page and the capacity of the two are both already 910 lbs each. The only differences are one is galvanized steel and the other is regular steel with white powder coat.
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  • Air Bags vs RoadActive Suspension Leaf Spring Kit for 2004 GMC Sierra 1500 Towing Boat
  • Both the Firestone # F2320 SportRide and the RoadActive Suspension (RAS) # RAS54FR will provide support for the rear suspension to help counteract the sag in the rear suspension that occurs when a trailer's tongue weight is applied. However, the RAS will also improve stability and control by eliminating axle wrap, reducing sway and body roll and improve traction during acceleration and braking. The system will only affect the vehicle's ride when the rear suspension is under load and unlike...
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  • Do the Curt Q20 and Q24 5th Wheel Hitches Install the Same Way on a 2008 GMC Sierra
  • The Curt Q20 # C16130 and Q24 # C16245 5th wheel trailer hitches both mount to the same above the bed industry standard rails. If your 2008 GMC Sierra is a 1500 or a 2500 Light Duty then you can use Curt installation kit # C16400-204. If it is a 2500HD or a 3500 then use # C16418-204. Custom installation kits are preferred because you won't have to drill into the truck frame for installation. They also take less time to install. I have linked the instructions for these kits for you.
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  • Will There Be a Difference In Handling Between a Bias and Radial Tire
  • There isn't a difference in handling between bias and radial trailer tires; bias tires are designed more for hauling heavier loads and won't flex as much on the side walls. The downside is they'll run a bit hotter than radial tires that are designed for long highway trips where heat can build up. For a smaller camper you really could go either way and won't experience a lack of handling. You can go with the # AM1ST79 which are a bias tire, or the # LHCK105 which are a radial tire. Both...
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  • Comparing Reese and CURT 16K Fifth Wheel Trailer Hitches
  • Reese is a leader in the towing industry and we sell more Reese hitches than any other brand. The # RP30047 is height adjustable from 14-1/2 to 18 inches. The jaw on the Reese hitch is a double jaw style. This is a safe and secure style. Only the single hook is considered to be better. It has a double pivot head. Next we have the Curt E5, # C16115. It is nearly identical in specs with the exception being height adjustability. The Curt hitch is adjustable from 13-1/4 inches to 17 inches....
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  • Difference Between # HE4045 and # HE4047 HitchMate TruckStep Extendable Hitch Mount Steps
  • The difference between HitchMate TruckSteps, parts # HE4045 and # HE4037 is that the latter is the XL version which has a larger step pad and extends 2 more inches than the standard version. The # HE4045 measures 9-1/4 by 5-1/2 inches and the # HE4037 measures 11-1/4 by 8-1/2 inches.
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  • Comparing Class III Trailer Hitch Weight Capacities for a 2003 GMC Sierra
  • There are many trailer hitch options for a 2003 GMC Sierra, the most notable difference between them is class rating. In general, the higher rated trailer hitch options will use more or stronger fasteners but that is not always the case as you have pointed out. I can't really say much about this as these specifications come from the manufacturer after their own testing but so long as you follow the instructions for said hitch and abide by the listed capacities there will not be any issues....
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  • Difference Between the Swift Hitch Digital Wireless Hitch Alignment Systems
  • The Swift Hitch Digital Wireless Hitch Alignment Systems save for the part # 04928 (SH01) all use the same camera. The only difference is in regards to the number of cameras included, battery life, and monitor type. The SHO1 system uses an analog system as opposed to a digital system on the other three. The Swift Hitch Digital Wireless Hitch Alignment System part SH02 was replaced by the part # SH02DIGITAL which comes with one camera, has an 8 hour battery life, and uses its own monitor....
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  • Demco Hijacker Fifth Wheel Hitch or Reese Elite Slider Recommendation for 2010 GMC Sierra Short Bed
  • I have a great solution for you. Since you are looking for an under-bed rail system that will leave your truck bed empty when the hitch is removed I would recommend you go with the Demco Hijacker hitch part # DM8550022 and underbed rail kit part # DM8551004. Since you have a short bed you will need a hitch that has a slider so that you can have enough clearance to make tight turns. The Reese Elite Slider hitch part # RP30144 and Rail Kit part # RP30061 is a GREAT option, but this setup...
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  • Comparing The Demco Recon And Curt CrossWing 5th Wheel Hitches
  • The Demco Recon # DM8550043 and Curt CrossWing # C86JR have quite a few differences that separate the two similar designs. The Recon has an extra 1,000lbs of capacity and comes with a 15-1/2", 17-1/4", or 18" height setting. The CrossWing has a 16-3/8", 18-3/8", and 20-3/8" height setting so it can sit a bit higher, which could be beneficial depending on the height need for your trailer to sit level while towing. Both heads have rubber dampeners to help with ride quality, but the CrossWing...
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  • Choosing Tire Chains for 2003 GMC Sierra 3500 Dually Truck Plowing Snow
  • For your application plowing snow with your dually truck I suggest a set of rear chains made specifically for your dually wheels as these will be easier to install than separate sets. In general the thicker the chains' link material is the better the traction. V-bar and twist-link chains provide good grip but a square link chain will do better. A bonus: some square link chains be reversed, allowing you to get the most life out of them. Damage to the underlying road surface can occur with...
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  • Differences Between Curt 5th Wheel Kit # C16616 and Curt E16 5th Wheel Trailer Hitch # 16516
  • The Curt E16 5th Wheel Trailer Hitch Kit # C16616 differs from Curt E16 hitch # 16516 in that it includes a universal base rail kit along with the hitch unit itself. Universal install kits are the most cost-effective option but do take longer to install and they do require drilling into the truck's frame. A simpler option is a custom-fit bracket kit such as the Curt Custom install kit # C16418-204 that will save you considerable installation time. You can use the Curt E16 # 16516 hitch...
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  • Is There Strength Difference Between Universal and Custom Install Kits for Fifth Wheel Hitches?
  • There will be no difference between the strength of a universal kit such as Reese offers, # RP30035, and a custom kit like the Curt Custom Fifth Wheel Installation Kit, # C16418-204. Each product will work with your 2003 GMC Sierra 2500, with the difference being that the custom fit of Curt will significantly reduce the install time, which is an important consideration for those who choose to install the kit by themselves.
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  • Difference Between Flat and Convex K-Source Mirrors
  • I can confirm both of these mirrors will fit a 2001 GMC Sierra, there is a subtle difference between them. The K-Source # KS69ZR has a flat mirror that gives you a clear, but somewhat limited view. The K-Source # KS3891-2 has a convex mirror that will make reflections smaller, allowing you to see more.
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  • How to Choose the Proper Timbren Rear Suspension for a 2005 GMC Sierra 2500 HD
  • For your 2005 GMC Sierra 2500 HD, there are two Timbren rear suspension compatible with it. The # TGMRCK25S have a weight capacity of 6000 pounds while the # TGMRTT35S have a weight capacity of 8000 pounds. More than likely you will only need the one with the 6000-pound capacity as the higher capacity one is for trucks that are reaching their payload capacity on a daily basis. Though you're hauling dump trailers every day, that doesn't mean you're nearing your capacity. Of course, if...
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  • Options For Valterra City Water Inlet and Lockable Hatch for RVs
  • The Valterra City Water Inlet and Lockable hatch # a01-2004vp has a plastic fitting and the other # a01-2000vp has a brass fitting. If you plan on traveling to colder climates, I would recommend getting the brass fitting.
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  • Comparing BWGNRK1012 and BWGNRK1012-5W Gooseneck Hitches for a 2013 GMC Sierra 2500HD
  • The B&W Gooseneck Hitch # BWGNRK1012 and # BWGNRK1012-5W are the exact same kit and will work with both your 2013 GMC Sierra 2500HD and the B&W Companion Slider # BWRVK3400 that you referenced. Basically the -5W at the end of the one part number was needed so that it can be put in our fitguide under the 5th wheel towing category, otherwise it messed up the system which is why the -5W isn't on the part under the gooseneck towing category. Attached is an installation video of the gooseneck...
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  • Comparison of Fifth Wheel Rails Part # RP58058 and Rails in Install Kit Part # RP30035
  • In short, yes they are the same. Part # RP58058 is just the rails. Part # RP30035 is the same rails and a universal bracket kit for trucks that do not have specific bracket kits. The part you were looking at, part # RP50064-58, is the fifth wheel kit I would recommend for your 2009 GMC Sierra. The custom fit brackets in that kit will significantly reduce install time as they use as many factory drilled holes as possible to reduce the amount of drilling necessary for install. We have a...
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  • Comparing Bargman LED Triple Tail Light 47-84-009 to 47-84-005
  • The Bargman LED Triple Tail Light - 5 Function - 36 Diodes - Rectangle - Black Base - Red/Clear Lens Item # 47-84-009 has 2 differences from the LED Triple Trailer Tail Light - 4 Function - 36 Diodes - Black Base - Red, Amber, and Clear Lens # 47-84-005. The differences are in the # 47-84-009 having the red turn signal and dual running and brake/turn functions and obviously the # 47-84-005 having the separated out turn signal that is amber in color. I've attached videos to show these...
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  • Differences Between Round Tube and Square Tube Fifth Wheel Slider Hitches
  • The round tube slider will provide 12 inches of front to back travel, compared to 10 inches on a square tube slider. That could provide an extra 2 inches of turning clearance. A round tube slider will eliminate binding, which seems to allow better movement of the hitch on the slider, as compared to the square tube slider. Usually any truck that has a bed less than 8 feet long is considered a short bed truck. It is recommended for short bed trucks to use a slider fifth wheel hitch. I...
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