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PONTIAC 6.6L/400 Differential & Rear-End Components

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Results 76 - 100 of 372

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Richmond Gear EXCel Ring and Pinion Sets GM85410 GM 8.5/8.6 in. 4.10 Gears

Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Motive Gear Performance Ring and Pinion Sets G885373 GM 8.5/8.6 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G885373 GM 8.5/8.6 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G885373 GM 8.5/8.6 in. 3.73 Gears

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

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Richmond Gear EXCel OEM Replacement Axle Shafts 92-25114

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25114

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25114

Axle Shaft, OEM Replacement, 28-Spline, 30.125 in. Length, Chevy, GMC, Pontiac, 8.2 in., Rear, Each

Part Number: RMG-92-25114

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Motive Gear Performance Ring and Pinion Sets G875373 GM 7.5/7.625 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G875373 GM 7.5/7.625 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G875373 GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875373

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Nov 19, 2025 if ordered today

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Estimated Ship Date: Nov 19, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Allstar Performance Ring and Pinion Gear Sets ALL70114 GM 7.5/7.625 in. 3.73 Gears

Allstar Performance Ring and Pinion Gear Sets ALL70114 GM 7.5/7.625 in. 3.73 Gears

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Motive Gear Ring and Pinion Sets GM10-308 GM 8.5/8.6 in. 3.08 Gears

Motive Gear Ring and Pinion Sets GM10-308 GM 8.5/8.6 in. 3.08 Gears

Motive Gear Ring and Pinion Sets GM10-308 GM 8.5/8.6 in. 3.08 Gears

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

Part Number: MGR-GM10-308

Not Yet Reviewed

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

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

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: Today

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Powertrax No-Slip Traction Systems GM 8.2 Inch, BOP axle 9207822801

Powertrax No-Slip Traction Systems GM 8.2 Inch, BOP axle 9207822801

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $708.99

Rebate Expires: 12/31/2025

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

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.

Powertrax No-Slip Traction Systems GM 8.2 Inch, BOP axle 9207822801

Differential, No-Slip Traction System, 28-Spline, Buick, Oldsmobile, Pontiac, 8.2 in., Each

Part Number: PWT-92-0782-2801

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

    • $40.00 Mail-In Rebate

    Price after Manufacturer Rebate: $708.99

    Rebate Expires: 12/31/2025

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

    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.

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Motive Gear Performance Ring and Pinion Sets G882373 GM 8.2 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G882373 GM 8.2 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G882373 GM 8.2 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882373

5.0 out of 5 stars ( 3 )

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Powertrax No-Slip Traction Systems GM 8.5 Inch 9207852805

Powertrax No-Slip Traction Systems GM 8.5 Inch 9207852805

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $608.99

Rebate Expires: 12/31/2025

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

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.

Powertrax No-Slip Traction Systems GM 8.5 Inch 9207852805

Differential, No-Slip Traction System, 28-Spline, GM, 8.5 in., Each

Part Number: PWT-9207852805

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

    • $40.00 Mail-In Rebate

    Price after Manufacturer Rebate: $608.99

    Rebate Expires: 12/31/2025

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

    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.

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Motive Gear Performance Ring and Pinion Sets G882355 GM 8.2 in. 3.55 Gears

Motive Gear Performance Ring and Pinion Sets G882355 GM 8.2 in. 3.55 Gears

Motive Gear Performance Ring and Pinion Sets G882355 GM 8.2 in. 3.55 Gears

Gear, Ring and Pinion, 3.55:1 Ratio, GM, 8.2 in., Set

Part Number: MGR-G882355

5.0 out of 5 stars ( 3 )

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Richmond Gear Ring and Pinion Sets 49-0019-1 GM 8.5/8.6 in. 3.23 Gears

Richmond Gear Ring and Pinion Sets 49-0019-1 GM 8.5/8.6 in. 3.23 Gears

Richmond Gear Ring and Pinion Sets 49-0019-1 GM 8.5/8.6 in. 3.23 Gears

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

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Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM12P

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM12P

Yukon Gear & Axle Crush Sleeve Eliminator Kits SK CSGM12P

Crush Sleeve Eliminator Kit, Steel Pinion Bearing Spacer, Pinion Shims, GM 8.875 in. Passenger Car, Kit

Part Number: YGA-55045

4.5 out of 5 stars ( 8 )

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Richmond Gear EXCel Ring and Pinion Sets GM75355 GM 7.5/7.625 in. 3.55 Gears

Richmond Gear EXCel Ring and Pinion Sets GM75355 GM 7.5/7.625 in. 3.55 Gears

Richmond Gear EXCel Ring and Pinion Sets GM75355 GM 7.5/7.625 in. 3.55 Gears

Ring and Pinion Kit

Part Number: RMG-GM75355

Not Yet Reviewed

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Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Mr. Gasket Chrome 10 Bolt GM 8.5 Inch Differential Cover 9891

Differential Cover, Steel, Chrome, GM, 8.5 in., 10-Bolt, Kit

Part Number: MRG-9891

4.17 out of 5 stars ( 6 )

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This product may not be eligible for select promotional offers

Motive Gear Performance Ring and Pinion Sets G875373X GM 7.5/7.625 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G875373X GM 7.5/7.625 in. 3.73 Gears

Motive Gear Performance Ring and Pinion Sets G875373X GM 7.5/7.625 in. 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5in./7.625 in., 2 Series, Set

Part Number: MGR-G875373X

4.8 out of 5 stars ( 5 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM12P-373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-373 GM 8.875 in. (12-bolt) passenger car 3.73 Gears

Gear, Ring and Pinion, 3.73:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set

Part Number: YGA-24123

3.0 out of 5 stars ( 2 )

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Yukon Gear & Axle Ring and Pinion Sets YG GM12P-411T GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-411T GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Yukon Gear & Axle Ring and Pinion Sets YG GM12P-411T GM 8.875 in. (12-bolt) passenger car 4.11 Gears

Ring & Pinion Gear, 4.11 Ratio, GM, 8.875 in. Passenger Car, Set

Part Number: YGA-24127

Not Yet Reviewed

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Richmond Gear EXCel OEM Replacement Axle Shafts 92-25157

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25157

Richmond Gear EXCel OEM Replacement Axle Shafts 92-25157

Axle Shaft, 28-Spline, 30.438 in. Length, Buick, Chevy, GMC, Oldsmobile, Pontiac, 8.5 in., Rear, Each

Part Number: RMG-92-25157

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Dorman Ring and Pinion Sets 697-805 GM 8.2 in. 3.08 Gears

Dorman Ring and Pinion Sets 697-805 GM 8.2 in. 3.08 Gears

Dorman Ring and Pinion Sets 697-805 GM 8.2 in. 3.08 Gears

Gear, Ring and Pinion, 3.08:1 Ratio, GM 8.2 in., Set

Part Number: RNB-697-805

Not Yet Reviewed

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Powertrax Lock-Right Lockers GM 8.2 Inch 1940-LR

Powertrax Lock-Right Lockers GM 8.2 Inch 1940-LR

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $466.99

Rebate Expires: 12/31/2025

Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details.

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.

Powertrax Lock-Right Lockers GM 8.2 Inch 1940-LR

Differential, Lock-Right, Locker, 28-Spline, GM, 8.2 in., Each

Part Number: PWT-1940-LR

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Today

    • $35.00 Mail-In Rebate

    Price after Manufacturer Rebate: $466.99

    Rebate Expires: 12/31/2025

    Get $35 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details.

    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.

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Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.5/8.6 Inch Differential Cover YP C3-GM8.5-R

Differential Cover, Aluminum Girdle Cover, Natural, 10-bolt, GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32121

1.0 out of 5 stars ( 1 )

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Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C1-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C1-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C1-GM8.5-R

Differential Cover, 10-bolt, Steel, Chrome, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32017

4.0 out of 5 stars ( 2 )

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Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Yukon Gear & Axle 10 Bolt GM 8.2/8.5/8.6 Inch Differential Cover YP C2-GM8.5-R

Differential Cover, 10-bolt, Aluminum, Polished, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-32030

3.5 out of 5 stars ( 8 )

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USA Standard Gear Spider Gear Sets ZIKGM12-S-30

USA Standard Gear Spider Gear Sets ZIKGM12-S-30

USA Standard Gear Spider Gear Sets ZIKGM12-S-30

Differential Carrier Rebuild Kits and Spider Gears, Spider Gear Sets, GM 8.875 in. (12-bolt), Car/Truck, 30-spline, Buick, Chevy, GMC, Pontiac, Kit

Part Number: SPZ-39021

5.0 out of 5 stars ( 2 )

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