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Thread: locking differential question
10-22-2013, 07:40 PM #11
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 11:26 AM. Reason: Added Infor.