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 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...
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...
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...
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...