EXCEL XL-1021-B, Differential Gear Install Kit, For GM 8.5" (10-Bolt) Rear, Includes Seals, Shims, Gasket, Bolts & More - Fits Chevrolet, GMC, Buick, Pontiac (1970-1999), Replaces: Motive GM7.5IK

★★★★★ 4.3 68 reviews

$27.99
Price when purchased online
Free shipping Free 30-day returns

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
$27.99
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Jun 22
Free
Pickup
Check nearby
Delivery
Not available

Free 30-day returns Details

Product details

Management number 228389542 Release Date 2026/05/31 List Price $11.20 Model Number 228389542
Category

EXCEL XL-1021-B - GM 8.5" (10-Bolt) Rear Differential Gear Install KitThe EXCEL from Richmond differential install kit provides all the essential components for rebuilding and servicing your GM 8.5-inch 10-bolt rear differential. Designed for durability and precision, this kit ensures a proper fit and smooth operation.Features:Compatible with GM 8.5" (10-bolt) rear differentialsIncludes pinion seal, crush sleeve, pinion nut, ring gear bolts, carrier & pinion shimsPremium-quality seals and gaskets to prevent leaks and maintain proper differential functionHigh-strength hardware, including a 0.6245-inch bolt diameter and 1.9-inch seal inner diameterBacked by a 1-year or 50,000-mile warrantyApplication & Compatibility:Compatible with a wide range of GM vehicles from 1970 to 1999, including:Buick:1971-1996 Buick Electra, Regal, Skylark, Roadmaster, Century, LeSabreCadillac:1977-1996 Cadillac DeVille, Fleetwood, BroughamChevrolet:1970-1999 Chevrolet Camaro, Caprice, Blazer, Silverado, Tahoe, Suburban, El CaminoGMC:1970-1999 GMC C1500, K1500, Jimmy, Savana, Sonoma, YukonPontiac & Oldsmobile:1970-1999 Pontiac Firebird, Grand Prix, LeMans, Ventura, Bonneville, Oldsmobile Cutlass, 442Replaces:Richmond Gear: 83-1021-BMotive Gear: GM7.5IKBrand Warranty & Why Choose EXCEL from Richmond?EXCEL from Richmond is a leader in high-quality drivetrain components, offering precision-engineered differential rebuild kits for reliable performance. This GM 8.5" install kit ensures a secure and proper fit, backed by a one-year or 50,000-mile warranty.

  • Designed for GM 8.5" 10-Bolt Rear Differentials, covering a wide range of Chevy, GMC, Buick & Pontiac models (1970-1999)
  • Includes essential components: pinion seal, crush sleeve, pinion nut, ring gear bolts, carrier & pinion shims, gasket/RTV, thread locking compound, and marking compound
  • Premium quality seals and shims ensure proper preload and backlash settings for smooth differential operation
  • High-strength components, including a 0.6245-inch bolt diameter and 1.9-inch inner seal diameter, built for durability
  • 1-year or 50,000-mile warranty, ensuring reliable performance and extended service life
ASIN B0086D117O
Brand Excel
Model Ring and Pinion
Exterior Machined
Item Weight 1.99 pounds
Manufacturer ExCel
OEM Part Number XL-1021-B
Item model number XL-1021-B
Product Dimensions 11.8 x 11 x 2.6 inches
Manufacturer Part Number XL-1021-B

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.3 out of 5
★★★★★
68 ratings | 28 reviews
How item rating is calculated
View all reviews
5 stars
80% (54)
4 stars
6% (4)
3 stars
3% (2)
2 stars
1% (1)
1 star
10% (7)
Sort by

There are currently no written reviews for this product.