BUICK Differential & Rear-End Components Transmission & Drivetrain - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle 10 Bolt GM 7.5/7.625 Inch Differential Cover YP C5-GM7.5

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

Part Number: YGA-32331

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Master Overhaul Kits YK GM7.2IFS-C

Ring and Pinion Gear Installation Kit, Master Overhaul, 27 Spline, GM 7.2 in. IFS, Kit

Part Number: YGA-14164

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers GM 8.875 Inch (12-bolt) YDGGM12P-4-33-1

Differential Carrier, Dura Grip Positraction, Traction-Lok, 33-spline, Rear, GM 8.875 in. Passenger Car, Each

Part Number: YGA-26014

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2235 GM 7.5/7.625 in. 3.08 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.08 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10690

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Yukon Gear & Axle Differential Carrier Replacement Parts YSPBLT-070

Star washer for GM 12 bolt posi cross pin bolt.

Part Number: YGA-33348

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM7.2IFS-C

Differential Rebuild Kits, USA Standard Master Overhaul kit for the '02-'09 Trailblazer & Envoy 7.2" IFS

Part Number: SPZ-37142

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Spartan Locker Replacement Crosspins SL XP-GM8.5

Crosspin, Replacement, Steel, Spartan, GM 8.5 in., Each

Part Number: SPZ-17024

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears YG GM7.5-456K

Yukon Ring & Pinion sets

Part Number: YGA-24671

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits RG8R

Ring and Pinion Installation Kit, Basic, GM 8.0 in., Rear, Kit

Part Number: MGR-RG8R

Not Yet Reviewed

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342 GM 7.5/7.625 in. 3.42 Gears

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G875342X GM 7.5/7.625 in. 3.42 Gears

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: Jan 8, 2026 if ordered today

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Estimated Ship Date: Jan 8, 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

4 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Richmond Gear EXCel Ring and Pinion Sets GM75390TK GM 7.5/7.625 in. 3.90 Gears

Ring and Pinion Kit

Part Number: RMG-GM75390TK

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Motive Gear Basic Ring and Pinion Gear Installation Kits R10RL

Ring and Pinion Installation Kit, Basic, GM 8.6 in., Front/Rear, Kit

Part Number: MGR-R10RL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

USA Standard Gear Ring and Pinion Gears ZG GM7.5-373T

USA Standard Ring & Pinion "thick" gear set for GM 7.5" in a 3.73 ratio

Part Number: SPZ-36198

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gears YGK2317

Ring and Pinion Gears and Installation Kit, 12P 8.875" GM THIN 3.73 REAR R&P GEAR/ INSTALL KIT PACKAGE with AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12608

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Standard Motor Front Axle Actuators TCA87

Front Axle Actuator, Chevy, GMC, Each

Part Number: SMP-TCA87

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Zumbrota Remanufactured Axle Assemblies RAA440-1371E

Axle Assembly, Remanufactured, Open, 3.73:1 Ratio, Each

Part Number: ZUD-RAA440-1371E

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

Call to Order

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2242

Ring and Pinion Gears,USA Standard 7.5" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10697

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2241

Ring and Pinion Gears,USA Standard 7.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 26 Spline and 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10696

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

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Estimated Ship Date: Jan 2, 2026 if ordered today

Yukon Gear & Axle Differential Covers YP C5-GM8.6-WIDE

Yukon Rear Differential Cover for 2002+ Trailblazer & Envoy with GM 8.6"

Part Number: YGA-32387

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630142

Axle 8.2" & 8.5" GM REAR, '73-'88 PASSENGER CARS, 30-1/2", 28spl, 2.780" PILOT, 1563 BRG, 1 SIDE

Part Number: SPZ-11952

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Bearing Kits ZBKGM8.5-HD

8.5" GM REAR w/Aftermarket_AG-PRO,_YDG,_XHD-Std,_EATorDET BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-58050

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Bearing Kits ZPKGM7.5-B

7.5" & 7.625" GM '82-99 PINION KIT, KOYO BRGS

Part Number: SPZ-60010

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Bearing Kits ZPKGM8.6-A

8.6" GM 99-08 PINION BRG & SEAL KIT, KOYO BRGS

Part Number: SPZ-60014

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2237 GM 7.5/7.625 in. 3.42 Gears

Ring and Pinion Gears,USA Standard 7.5"/7.625" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: SPZ-10692

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today