CHEVROLET TRAILBLAZER USA Standard Gear Differential & Rear-End Components Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

USA Standard Gear Master Overhaul Kits ZK GM8.6

Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-37059

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-411 GM 8.5/8.6 in. 4.11 Gears

Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36216

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-373 GM 8.5/8.6 in. 3.73 Gears

Ring and Pinion Gear, 3.73:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36214

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Master Overhaul Kits ZK GM8.6-B

USA Standard Master Overhaul kit for the '09 and newer GM 8.6" differential

Part Number: SPZ-37060

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-430 GM 8.5/8.6 in. 4.30 Gears

Ring and Pinion Gear, 4.30:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36217

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-456 GM 8.5/8.6 in. 4.56 Gears

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

Part Number: SPZ-36218

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Spider Gear Sets ZIKGM8.6-S-30V3

Differential Carrier Gear Kit, USA Standard Gear standard spider gear set for '07 & up GM 8.6"

Part Number: SPZ-39036

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

USA Standard Gear Ring and Pinion Sets ZG GM8.5-323 GM 8.5/8.6 in. 3.23 Gears

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

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Axle Shafts ZA G40016604

USA Standard Right Hand Intermediate Axle Shaft for 02-09 GM Trailblazer and Envoy

Part Number: SPZ-21877

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Bearing Kits ZBKGM8.6

Ring and Pinion Installation Kit, GM 8.6 in., Rear, Kit

Part Number: SPZ-58012

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-342 GM 8.5/8.6 in. 3.42 Gears

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5/8.6 in., Set

Part Number: SPZ-36213

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Motive Gear Ring and Pinion Sets GM10-342A GM 8.5/8.625 in. 3.42 Gears

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 9/29/2025

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USA Standard Gear Ring and Pinion Gear Kit Packages ZGK2032 GM 8.6 in. 3.73 Gears

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

Part Number: SPZ-10743

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-390 GM 8.5/8.6 in. 3.90 Gears

Ring and Pinion Gear, 3.90:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36215

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-308 GM 8.5/8.6 in. 3.08 Gears

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

Part Number: SPZ-36211

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Master Overhaul Kits ZK GM8.0

USA Standard Master Overhaul kit GM, 8 in., Kit

Part Number: SPZ-37072

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-513 GM 8.5/8.6 in. 5.13 Gears

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

Part Number: SPZ-36220

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-488 GM 8.5/8.6 in. 4.88 Gears

Ring and Pinion Gear, 4.88:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set

Part Number: SPZ-36219

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Spider Gear Sets ZIKGM8.6-S-30V2

SIDE GEARS

Part Number: SPZ-39028

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Differential Carrier Replacement Parts SL SPRING-SM

SPRING AND PIN KIT

Part Number: SPZ-17011

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

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Estimated Ship Date: Oct 14, 2025 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630152

Axle 8.6" GM REAR, '02-'09 MIDSIZE SUV (GMT360), LEFT HAND, 33-1/16", 30spl, 6 LUG, 1 SIDE

Part Number: SPZ-11962

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630153

Axle 8.6" GM REAR, '02-'09 MIDSIZE SUV (GMT360), RIGHT HAND, 31-9/16", 30spl, 6 LUG, 1 SIDE

Part Number: SPZ-11963

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Axle Shafts, Direct Fit ZA K630604

Axle 8.0" GM REAR, '02-'06 MIDSIZE SUV (GMT360), RIGHT HAND, 31-13/32", 28spl, 6 LUG, 1 SIDE

Part Number: SPZ-12177

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-273 GM 8.5/8.6 in. 2.73 Gears

Gear, Ring and Pinion, 2.73:1, GM, 8.5 in., 8.6 in., Set

Part Number: SPZ-36346

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

USA Standard Gear Ring and Pinion Sets ZG GM8.5-538 GM 8.5/8.6 in. 5.38 Gears

Ring and Pinion Gears, 5.38:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: SPZ-36221

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today