GM Truck Club
THE PREMIER CHEVY TRUCK & SUV FORUM
Founded in 2004 ~ We're the #1 Chevy Truck & SUV Forum.
Silverado & Sierra | Tahoe & Yukon | Suburban & Yukon XL | SUV & CROSSOVER
Page 2 of 2 FirstFirst 12
Results 11 to 11 of 11
  1. #11

    Default

    Quote Originally Posted by zuki82 View Post
    how would we know if our truck even had a locker? I have a 06, 2500 HD, 4x4. Should it have one?
    To the find out what Gears you Vehicle Has, and/or if it has the G80(Locker)....Inside your Glove Box is a White Tag/Sticker....which is the Service Parts I.D. Tag(Pictured Below)and on it you will see your Vehicles Vin # Number and a Series of Letter's and Number's which are RPO Codes.....which stands for Regular Production Options...In Short what your Vehicle came with from the Factory......you will be looking for the One Following RPO Codes, to find out what Gears your Vehicle has, and if it has the G80(Locker)....

    GU4 -- AXLE REAR, 3.08 RATIO
    GU5 -- AXLE REAR, 3.23 RATIO
    GU6 -- AXLE REAR, 3.42 RATIO

    GT4 -- AXLE REAR, 3.73 RATIO
    GT5 -- AXLE REAR, 4.10 RATIO

    G80 -- LOCKER


    Here's the Service Parts Identification Label



    Last edited by 99'HEARTBEAT; 11-17-2013 at 10:26 AM. Reason: Added Infor.

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










Page 2 of 2 FirstFirst 12

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •