We offer the most complete line of rear end parts for the GM 8.6" Differential Assemblies, this differential was utilized GM used this very popular differential in there full size Chevrolets and GMC pickup truck starting in 2007 to 2010.
We offer a large selection of 2007-2010 Chevrolet and GM 1500 1/2 ton Silverado & Sierra Pickups differential assemblies.
These are brand new (factory over-runs) OEM 8.6” rear axle assemblies. Ratio's starting at 3.23 to 4.10 are available, open and positraction differential are available.   These are complete with drum brakes. Parking brake cables are not included. All items subject to prior sale. S&H charges will be added.

gm8.6 differentials


GM 8.6" Differential Assemblies Products  Double click part number for more information or to purchase online.  Need help call 800-216-1632 take advantage of our free technical expertise.


 GM 8.6" Differential Assemblies Products 

Part Number Code Ratio Type Brakes Hollander Number
Your Cost
DTSGM20791906 GS9 3.42 Open Drum JF7 435-2257B
DTSGM20791908 GT1 3.23 Lock Drum JF7 435-2257A
DTSGM20791902 GT2 3.23 Open Drum JF7 435-2257A
DTSGM25869879 BA7 3.23 Lock Drum 435-2258A
DTSGM25869907 BB5 3.42 Open Drum 435-2257B
DTSGM25869920 BF4 4.10 Lock Drum 435-2257D $1756.00
DTSGM25979175 FW5 3.23 Open Drum 435-2257A $1780.90