1998 GMC Differential & Rear-End Components

Ring and Pinion Installation Kit, GM 7.5/7.625 in., Rear, Kit

Part Number: MGR-R75GRMK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Axle Shafts, Direct-Fit, New, Heavy Duty Thermoplastic Outer Boot, Front Left or Right, Cadillac, Chevrolet, GMC, Each

Part Number: AAZ-66-1009HD

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Pinion Bearing Spacer, Crush Sleeve Eliminator, Steel, Chrysler 9.25 in., GM 8.5 in., Each

Part Number: YGA-55048

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Today

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Crush Sleeve Eliminator Kit, Steel Spacer, Pinion Shims, GM 7.5 in., GM 7.6 in., GM 8.2 in., Kit

Part Number: YGA-55047

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

Differential Cover, 14-bolt, Steel, Natural, GM 9.5 in., Each

Part Number: YGA-32333

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Spool, Mini, Steel, 28-Spline, GM 7.625 in., Each

Part Number: MGR-MS75-28

4.15 out of 5 stars ( 20 )

Estimated Ship Date: Today

Axle Shafts, Direct Fit, New, Neoprene Boots, Front Left or Right, Cadillac, Chevrolet, GMC, Each

Part Number: AAZ-66-1009

3.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

Differential Cover, 10-bolt, Steel, Natural, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32332

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Differential Cover, OE, Steel, Natural, Dana 80, Each

Part Number: SDH-707231X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

"Perm-Lok" - Positive Axle Engagement System

Part Number: POS-1000

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Differential Carrier Bearings, Steel, Dana 60, Dana 70, Dana 80, Chevrolet, GMC, Dodge, Each

Part Number: SDH-706070X

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Front Axle Actuator, Electric, Cadillac, Chevy, GMC, Full Size Pickup/SUV, Each

Part Number: RNB-600-101

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

Pinion Bearing Kit, PBK GM 7.50/7.625 in. 1982-1998, Kit

Part Number: MGR-R7-5GRTPK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Differential Carrier Bearing, Steel, Each

Part Number: TMK-SET42

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

Not Yet Reviewed

Estimated Ship Date: Today

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Kits, GM 8.6 in., 30-spline, 10-bolt, Rear, Cadillac, Chevy, GMC, Hummer, Isuzu, Kit

Part Number: SVL-2023879

Not Yet Reviewed

Estimated Ship Date: Today

Differential Pinion Bearing Kit (Cup/Cone) - Dana 70

Part Number: SDH-706060X

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Differential Cover, 10-bolt, Steel, Chrome, GM 7.5 in., GM 7.625 in., Each

Part Number: YGA-32014

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Cover, 14-bolt, Steel, Natural, GM 10.5 in. (14-bolt), Each

Part Number: YGA-32345

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Parts Kit, Open Differential, Includes 30-spline Side and Pinion Gears/Washers/Pinion Shaft/Bolt

Part Number: MGR-GM-10BI-30

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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8.5" GM PINION KIT, KOYO BRGS

Part Number: SPZ-60012

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

• Drop Ship
• Special Order

Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Apr 10, 2026 if ordered today

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• Special Order

Spacer, Replacement, Active Spacer, Each

Part Number: PWT-624004SDG2

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Special Order