800-792-2714
REPLACEMENT AXLES
For use with GM Passenger Vehicle Rear Axles

Sierra Gear Replacement Rear Axle Shafts for GM Passenger Vehicles

Sierra Gear & Axle stocks a complete line of replacement, performance and Chromoly axle shafts for Ford Trucks. Performance axle shafts include Chromoly and standard alloy with stock or upgraded splines, as well as cut-to-fit axle shafts for custom housings. If you don’t see the Axle Shafts you are looking for in the application chart below, give us a call at 800-792-2714 as we are constantly adding new applications to our inventory.

Get the job done right with one of our Axle Bearing and Seal Kits featuring OEM components from manufacturers like Timken, Koyo, National and Spicer

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Application Chart:

GM Passenger Car Rear Axle Shaft Application Chart.

GM 7.5” &  7.625” PASSENGER CAR – REAR AXLE SHAFTS
YEAR APPLICATION LUG SP LENGTH SIDE OEM # SIERRA #
90-92 Camaro / TransAm 5 28 30 5/16” B 26031251 SA 26031252
93-97 Camaro / TransAm 5 28 32 1/8” B 26027588 SA 26027588
98-02 Camaro 5 28 32” B 26059972 SA 26059972
80-92 Impala / Caprice – Drum Brakes 5 26 30 1/2” B 22506477 SA 22506477
77-88 Malibu / El Camino 5 26 28 7/16” B 551818 SA 551818
GM 8.2” PASSENGER CAR – REAR AXLE SHAFTS
YEAR APPLICATION LUG SP LENGTH SIDE OEM # SIERRA #
67-69 Camaro 5 28 29 ½” B 1255803 SA 1255803
70-72 Camaro 5 28 30 1/16” B 1255802 SA 1255802
64-67 Chevelle 5 28 29 ½” B 1255803 SA 1255803
68-72 Chevelle 5 28 30 1/16” B 1255802 SA 1255802
65-67 Nova 5 28 28 5/8” B 3863726 SA 3863726
68-72 Nova 5 28 29 ½” B 1255803 SA 1255803
66-69 GTO & Firebird Bolt-In 5 28 30” B 9794667 SA 9794667
GM 8.5” & 8.625” PASSENGER CAR – REAR AXLE SHAFTS
YEAR APPLICATION LUG SP LENGTH SIDE OEM # SIERRA #
73-81 Camaro/Firebird 5 28 30 1/16” B 1255802 SA 1255802
89-96 Caprice (’89-’90 3.08 Only) 5 30 30 7/16” B 26018080 SA 26018080
91-96 Caprice Wagon / ’95-’96 Impala SS 5 30 31 1/16” B 26018080 SA 26033203
73-77 Chevelle 5 28 30 5/16” B 1255801 SA 1255801
90 Fleetwood LIMO 5 30 30 7/16” B 26014037 SA 26018080
78-87 Grand National 5 28 28 ½” B 14075744 SA 14075744
73-77 Monte/Cutlass/Regal 5 28 30 5/16” B 1255801 SA 1255801
73-79 Nova/Ventura/Omega 5 28 29 ½” B 1255803 SA 1255803
GM 12 BOLT PASSENGER CAR – REAR AXLE SHAFTS
YEAR APPLICATION LUG SP LENGTH SIDE OEM # SIERRA #
67-69 Camaro 5 30 29 3/8” B 12398538 SA 12398538
70-72 Camaro 5 30 30 3/16” B 3969285 SA 3969285
64-67 Chevelle 5 30 29 3/8” B 12398538 SA 12398538
68-72 Chevelle, Monte Carlo 5 30 30 3/16” B 3969285 SA 3969285
68-72 Nova 5 30 29 3/8” B 12398538 SA 12398538

Find a Dealer

Find the application and ratio you need? Locate a Sierra Gear & Axle Distributor near you.

Gear Calculator

Doing a gear ratio change but not sure what you want? Try our Differential Gear Calculator.