GMC Differential & Rear-End Components

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.10 and Lower Ratios, Each

Part Number: ETN-915A545

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $75 Summit Bucks

Differential, Posi Performance, Limited Slip, 28-Spline, GM, 8.5 in., 3 Series, Each

Part Number: ETN-19557-010

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential, Eaton Detroit Truetrac, 33-Spline, GM, 14-Bolt, 9.5 in., Each

Part Number: ETN-914A538

4.44 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $75 Summit Bucks

Differential Carrier, Detroit Truetrac, GM 9.5/9.76 in., 33-spline Axle Shaft, Designed for 3.42-3.73 Gear Ratios, Rear, Cadillac, Chevy, GMC, Each

Part Number: ETN-917A732

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $75 Summit Bucks

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 8.5 in., Truck, 3 Series, Each

Part Number: ETN-19559-010

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Ring and Pinion Gears,Yukon Gear & Axle 7.5"/7.625" GM, 3.73 Ratio Rear Ring & Pinion GearInstall Kit 2.25" OD Axle Bearings & Seals

Part Number: YGA-10638

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential Carrier, Limited Slip, 30-Spline, GM 10.5 in. (14-bolt), Steel, Rear, for 4.10 and Numerically Lower Ratios, Chevy, GMC, Each

Part Number: YGA-26030

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential, Eaton Detroit Truetrac, 30-Spline, GM, 10.5 in. Ring Gear, 4.56 and Higher Ratios, Each

Part Number: ETN-915A547

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $75 Summit Bucks

Differential, Posi Performance, Limited Slip, 30-Spline, 12-Bolt, 4 Series, Chevy, GMC, Truck, Each

Part Number: ETN-19556-010

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential, Posi Performance, Limited Slip, 28-Spline, for use on GM, 7.625 in., Each

Part Number: ETN-19599-010

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Ring and Pinion Gears, 3.73:1 Ratio, 11.500 in. Ring Gear, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: YGA-24441

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 60, Set

Part Number: MGR-D60-354

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential, Detroit Truetrac, 28-Spline, Chevy, GMC, 8.0 in., Each

Part Number: ETN-912A654

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping
• $75 Summit Bucks

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

Part Number: SUM-730988

Not Yet Reviewed

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Ring and Pinion Gears,Yukon Gear & Axle 8.5" GM, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals. Fits 1.781"

Part Number: YGA-10403

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-220

Not Yet Reviewed

Estimated Ship Date: Jan 2, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential Carrier, Dura Grip Positraction, Clutch-type, 30-spline, Nodular Iron, Dana 60, Dana 61, Each

Part Number: YGA-26037

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

• Free Shipping

Ring and Pinion Gears,USA Standard 9.5" GM, 3.42 Ratio Rear Ring & Pinion GearInstall Kit Axle Bearings & Seals

Part Number: SPZ-10703

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Differential, Grip Pro Traction System, 30-Spline, GM 8.875 in. 12-Bolt Truck, Each

Part Number: PWT-GT248730

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order
• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $896.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

×

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 10.5 in., Each

Part Number: ETN-19689-010

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Ring and Pinion Gears and Installation Kit Combo, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 8.5 in., Rear, Cadillac, Chevy, GMC, Kit

Part Number: YGA-10402

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-210

Not Yet Reviewed

Estimated Ship Date: Dec 31, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Gear, Ring and Pinion, 3.54:1 Ratio, Dana 70, Set

Part Number: MGR-D70-354

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping

Yukon front 4340 Chromoly axle kit for 1979-87 GM 8.5 in. 1/2 ton truck and Blazer

Part Number: YGA-21325

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/15/2025

• Free Shipping