You will want the OEM Style 7-Way and 4-Way Trailer Connector, # HM40975, which will allow the use of 7-Way and 4-Way wiring with no additional adapters. You will need to make a few more connections under the hood of your 2007 GMC Sierra Classic to complete the install.
See the FAQ page I attached for how this is done. view full answer...
You will need two 22" wiper blades for your 2007 GMC 2500. We do have the Scrubblade Hybrid Style Windshield Wipers # SCR75FR which are made of a ceramic coated silicone. The Scrubblade wipers are going to be the only silicone wipers we carry. view full answer...
Yes, you are correct. For a 2007 GMC Sierra Classic 2500HD Crew Cab with 6-1/2' bed and Class V Curt Trailer Hitch Receiver, # C15302 installed, the TorkLift Custom Frame-Mounted Camper Rear Tie-Downs, # TLR3500 will fit.
For front, use TorkLift Custom Frame-Mounted Camper Tie-Downs # TLC2205. view full answer...
We do not have 5,200 pound regular straight axles but we do have an axle-less system, # ASR5200S04 and it will work with disc brake kit # T4871400. You will also need 2 bearing kits, # BK3-100, since the brake kit does not come with them.
If you want a straight axle then you could order one to your specifications from a local tractor or trailer supply store. view full answer...
I did contact Timbren on your behalf who confirmed the Timbren Rear Suspension Enhancement System # TGMRCK25S will fit your 2007 GMC Sierra classic, 3500 Dually with the old body style. view full answer...
We do have a tailgate lock in chrome for your 2007 GMC Sierra Classic, but the Pilot lock is not available in chrome.
You can instead use Pop and Lock Custom Tailgate Lock, # PAL1100C. This part is for a chrome lock, not the bezel. I have included a link to the installation details for you. view full answer...