1999 GMC SIERRA-1500 Transmission & Drivetrain

Gear, Ring and Pinion, 4.11:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885411IFS

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Gear, Ring and Pinion, 5.57:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901751

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Differential Carrier, Positraction, Clutch-type, 33-spline, Chevy, GMC, Hummer, Each

Part Number: SUM-730988

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Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

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Ring and Pinion Gears, 3.08:1 Ratio, 30-spline, Standard Rotation, GM 8.5/8.6 in., Set

Part Number: YGA-24492

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 24, 2025 if ordered today

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Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.250 in. Ring Gear, GM 8.25 in. IFS, Set

Part Number: YGA-24489

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Fits '99-'05 Silverado & Sierra rear with code KW1. 43 1/4" long from center of u/joint caps.

Part Number: SPZ-44462

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Ring and Pinion Gears,USA Standard 8.6" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10732

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Estimated Ship Date: Oct 9, 2025 if ordered today

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Differential Carrier, Open, Loaded, GM/Chrysler 9.25/9.50 in. 33 Spline, Each

Part Number: YGA-20097

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Estimated Ship Date: Oct 23, 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 )

Estimated Ship Date: Today

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Fits '02'-03 GM S10 Blazer S15 & Sonoma rear with 208 or 241 TC & extended cab 68 1/4"center of u/joint caps

Part Number: SPZ-44357

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Estimated Ship Date: Oct 8, 2025 if ordered today

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High performance Yukon Ring & Pinion gear set for GM 8.25" IFS Reverse rotation in a 3.42 ratio

Part Number: YGA-24488

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FLY ALM CHEVY LS MTR 1997UP .400"THICKER 12" STL INSERT 168

Part Number: MCL-560535

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Estimated Ship Date: Oct 22, 2025 if ordered today

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Gear, Ring and Pinion, 4.56:1 Ratio, Reverse Rotation, 1.625 in. Pinion, 30 Spline, GM 8.25 in. IFS, Set

Part Number: YGA-24154

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 23, 2025 if ordered today

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Clutch Kit, Stage 1 Heavy-Duty, Single, 1.130 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 4.8L, 5.3L, Kit

Part Number: SBB-K04181-HD

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Estimated Ship Date: Oct 7, 2025 if ordered today

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

Part Number: MGR-G885373IFS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Clutch Kit, Stage 1 Heavy-Duty, Single, 1.130 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, 4.3L, Kit

Part Number: SBB-K04090-HD

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Estimated Ship Date: Oct 7, 2025 if ordered today

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Spider Gears, Side Gears, Cross Shaft Pin, Eaton Posi Carrier Style, Rear, GM 9.5 in., 33-spline, Kit

Part Number: YGA-16057

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Rear Driveshaft

Part Number: RNB-936-527

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Diff Carrier Assy

Part Number: RNB-697-391

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Differential Carrier, Stock Replacement, Cast Iron, GM 8.5/8.625 in., 30-Spline, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-697-909

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Transfer Case Housing, Front Transfer Case Half Assembly

Part Number: RNB-600-124

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885342IFS

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Estimated Ship Date: Oct 13, 2025 if ordered today

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9.5" GM DURA GRIP_ONLY!!, POSI SPIDER SET (No_clutches)

Part Number: YGA-16166

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Estimated Ship Date: Oct 24, 2025 if ordered today

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Fits '99-'00 GM Silverado & Sierra 1500 & 2500 rear with option code DPB. 54 1/2" center of u/joint caps.

Part Number: SPZ-44460

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Estimated Ship Date: Oct 7, 2025 if ordered today

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