1999 GMC SIERRA-1500 Transmission & Drivetrain

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

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Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32121

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Automatic Transmission Pan, Deep, 2 qts. Capacity Increase, Aluminum, Black Powdercoated, GMC, Each

Part Number: AFE-46-70242

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Differential Ring And Pinion Set

Part Number: RNB-697-303

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-456

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Gear, Ring and Pinion, 2.73:1 Ratio, GM 8.5 in., Set

Part Number: RNB-697-812

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Gear, Ring and Pinion, 3.73:1 Ratio, GM, 9.5 in., 14-Bolt, 1997-2013, With 33 Spline C-clip Axles, Set

Part Number: YGA-24166

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Transmission Bearing and Seal, Getrag-5 Speed Kit w/Synchro Rings 1998-04 Ram 1500/97-04 Dakota 5-Speed Manual Trans 0.9 Inch Input/Output Bearings

Part Number: SPZ-72123

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 6, 2025 if ordered today

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Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

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Ring and Pinion Gears, 4.11:1 Ratio, 30-spline, Reverse Ring Gear Rotation, GM 8.25 in., IFS, Set

Part Number: SPZ-36207

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10733

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Ring and Pinion Gear Installation Kit, Master Overhaul, 30 Spline, GM 8.25 in. IFS, Kit

Part Number: YGA-14084

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Bellhousing Chevy LS Kit

Part Number: IST-BHG-12005A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Ring and Pinion Gears, 3.23:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36212

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Front Driveshaft

Part Number: RNB-938-221

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

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USA Standard Master Overhaul kit for the '99 and newer GM 8.25" IFS differential

Part Number: SPZ-37053

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Estimated Ship Date: Oct 6, 2025 if ordered today

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Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 9.5 in., Set

Part Number: YGA-24502

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Hydraulic Clutch Kit 1988 1998 GM GMT400 Trucks with Tremec Magnum LS Eng

Part Number: IST-HGGMTLSMAG

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Hydraulic Clutch Kit 1988 1998 GM GMT400 Trucks with Tremec TKO TKX LS Eng

Part Number: IST-HGGMTLSTKX

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Estimated Ship Date: Oct 10, 2025 if ordered today

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Differential Clutch, Steel Pack, Rear, Posi, GM, 8.875 in., Set

Part Number: YGA-16064

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Estimated Ship Date: Oct 24, 2025 if ordered today

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USA Standard Ring & Pinion gear set for GM 9.5" in a 4.56 ratio

Part Number: SPZ-36226

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Estimated Ship Date: Oct 9, 2025 if ordered today

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USA Standard Ring & Pinion gear set for GM 9.5" in a 4.88 ratio

Part Number: SPZ-36227

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM95342

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1, GM, 8.25 in. IFS, Set

Part Number: SPZ-36342

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