Availability
1981 GMC K1500 Differential & Rear-End Components
Differential Carrier Gear Kit
Part Number: RMG-XL-4048
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Spring, SPRING,COMPRSN,15 LB/IN,IN, NS
Part Number: PWT-8021001ZBG
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
GEAR PINION 12 BOLT 8 7/8
Part Number: MGR-3880140
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Yukon front 4340 Chromoly axle kit for '79-'87 GM 8.5" 1/2 ton truck and Blazer
Part Number: YGA-21326
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
12P & 12T GM NOTCHED X/PIN SHAFT STD & POSI
Part Number: YGA-33429
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
Axle 12T GM REAR, '70-81' TRK, 4WD, 31-7/16", 30spl, 6x5.5", 2.53" OD BRG (1559), 1 SIDE
Part Number: SPZ-11920
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
3/8 R/G BOLT WASHER, 12P, 12T, 8.2, BOP, CI VET, 55P
Part Number: YGA-33347
Not Yet Reviewed
Estimated Ship Date: Apr 10, 2026 if ordered today
Estimated Ship Date: Apr 10, 2026 if ordered today
GM 8.5" 28spl FRONT AXLE KIT, w/ Super-Joint, 79-87 1/2TON TRK & BLAZER (ASSM_REQ)
Part Number: SPZ-35130
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
SPRING AND PIN KIT
Part Number: SPZ-17011
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each
Part Number: SPZ-17024
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit
Part Number: MGR-MGK-207
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Ring and Pinion Installation Kit, Super Kit GM, 8.5 in., Kit
Part Number: MGR-R10RASK
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Gear, Ring and Pinion, 4.11:1 Ratio, GM, 12-Bolt, Truck, Set
Part Number: MGR-GM12-411X
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4070
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Mini Spool, MINI SPOOL GM 10 BOLT 8.5"
Part Number: RMG-XL-5140
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Ring and Pinion Kit
Part Number: RMG-XL-1020-1
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Differential Ring and Pinion; GM 12 Bolt 8.875 - Thick Gear, 4.56 Ratio
Part Number: SVL-10004683
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ring and Pinion Gears,USA Standard 8.875" GM 12 Bolt Truck, 4.11 Ratio Rear Ring & Pinion Gea
Part Number: SPZ-10689
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit
Part Number: MGR-R10RT
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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