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Richmond Gear 83-1077-1, Master Rebuild Bearing Kit, For GM 8.6" IRS Rear ('10–'15 Camaro, Excludes ZL1) – Includes Koyo Bearings, Seal, Crush Sleeve, Shims & More – Replaces Motive R8.6RMK, R8.6RMKT in Saudi Arabia Richmond Gear 83-1077-1, Master Rebuild Bearing Kit, For GM 8.6" IRS Rear ('10–'15 Camaro, Excludes ZL1) – Includes Koyo Bearings, Seal, Crush Sleeve, Shims & More – Replaces Motive R8.6RMK, R8.6RMKT in Saudi Arabia

Richmond Gear 83-1077-1, Master Rebuild Bearing Kit, For GM 8.6" IRS Rear ('10–'15 Camaro, Excludes ZL1) – Includes Koyo Bearings, Seal, Crush Sleeve, Shims & More – Replaces Motive R8.6RMK, R8.6RMKT

SAR 1,343
Brand
Richmond
Weight
1 g
– 1 +

Special Features

  • Complete master bearing kit for GM 8.6" IRS differentials, designed specifically for 2010–2015 Chevrolet Camaro models (excluding ZL1) – includes everything required for a full differential rebuild.
  • Contains high-quality Koyo tapered roller bearings for carrier, front and rear pinion, and pilot (where applicable), ensuring OE-level durability and performance.
  • Kit includes essential components: pinion seal, crush sleeve or preload shim pack, pinion nut, ring gear bolts, RTV or gasket, marking compound, and thread locking compound.
  • Includes precision-fit shims for both carrier and pinion setup – supports accurate backlash and bearing preload during installation, enhancing gear life and performance.
  • Backed by Richmond Gear's 1-year or 50,000-mile warranty – built to meet or exceed OE specs for strength and reliability in high-performance or daily-use applications.

Description

World American 112 123333 Differential Ring & Pinion – 3.90 Ratio, Front Axle, DS/DD461
Upgrade or replace your front differential with the World American 112 123333 ring and pinion gear set. Featuring a durable 3.90 gear ratio, spiral cut design, and precision-engineered for heavy-duty applications like DS/DD461 axles. Designed for long-lasting performance under demanding conditions.

Features:
• Gear Ratio: 3.90
• Ring Gear Tooth Count: 39
• Pinion Tooth Count: 10
• Ring Gear Diameter: 18 Inch
• Pinion Shaft Diameter: 2.1 Inch
• Pinion Spline Count: 41
• Gear Style: Spiral
• Axle Position: Front
• Part Number: 112 123333
• Brand: World American
• Warranty: 1 Year or 100,000 Miles
• California Proposition 65 Warning: Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Application & Compatibility:
• Fits: DS/DD461 front axle systems
• Compatible Models/Assemblies: 521, 581-P, DS/DD461

Replaces:
• Euroricambi: 24170522
• PAI: 91110, BRP-9111, EE91110
• Genuine Newstar: EAR-123333, S-B629, SB629
• Eaton: EAR123333

Brand Warranty & Why Choose World American:
World American provides top-tier drivetrain components built for heavy-duty and commercial use. Each part meets or exceeds OEM specifications and is backed by a 1-year/100,000-mile warranty, delivering both quality and peace

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