Availability
1985 GMC Differential & Rear-End Components
Differential Carrier
Part Number: RMG-XL-5055
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Mini Spool, MINI SPOOL GM 7.5" 26 SPL
Part Number: RMG-XL-5130
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Mini Spool, MINI SPOOL GM 12 BOLT CAR
Part Number: RMG-XL-5145
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4048
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Differential Carrier Gear Kit
Part Number: RMG-XL-4050
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each
Part Number: RMG-81-1028-1
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Pinion Shaft, SHAFT,GM 10-BOLT,7.5,RDF,NOSLP
Part Number: RMG-XL-5630
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Spring, SPRING,COMPRSN, .25D,250 LB/IN
Part Number: PWT-8011001ZAT
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Spring, SPRING,COMPRSN,15 LB/IN,IN, NS
Part Number: PWT-8021001ZBG
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Spring, SPRING,COMPRSN, 500 LB/IN,OUTR
Part Number: PWT-8031001ZAV
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Differential Rebuild Kit, Active Spacer
Part Number: PWT-1950604SBS
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
PIN KIT
Part Number: PWT-2410604SER
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
SPACER
Part Number: PWT-1920604SAJ
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
MG- 60/70 OUTER PINION BRG KIT
Part Number: MGR-706045XR
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
DANA 70 INNER PINION BRG KIT
Part Number: MGR-706060XR
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Differential Ring Gear Spacer, Ring Gear Spacer
Part Number: MGR-075050C
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Dana 60, Front/Rear, Kit
Part Number: MGR-RA29RT
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Dana 60, Front/Rear, Kit
Part Number: MGR-RA29RTPK
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Ring and Pinion Installation Kit, Basic, Dana 70-HD, Rear, Kit
Part Number: MGR-R70HRT
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set
Part Number: MGR-G875342
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., Set
Part Number: MGR-G875342X
Not Yet Reviewed
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Allstar Performance Ring and Pinion Gear Sets ALL70113 GM 7.5 in. 3.42 Gears
Estimated Ship Date: Monday 3/2/2026
Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races
Part Number: RMG-29-0013-1
Estimated Ship Date: Mar 18, 2026 if ordered today
Estimated Ship Date: Mar 18, 2026 if ordered today
Crush Sleeve
Part Number: MGR-3977355
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
DANA 70 INNER PINION BRG KIT
Part Number: MGR-706861X
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 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 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
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