PONTIAC FIREBIRD Differential & Rear-End Components

Differential, Eaton Detroit Truetrac, 28-Spline, GM, 8.5 in., Rear, Each

Part Number: ETN-912A556

4.84 out of 5 stars ( 31 )

Estimated Ship Date: Today

• Free Shipping

Dura Grip Positraction Carrier, Traction-Loc, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each

Part Number: YGA-26011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 3 Series, Each

Part Number: ETN-19554-010

4.68 out of 5 stars ( 22 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, Limited Slip, 30-Spline, GM, 8.875 in., 12-Bolt, Each

Part Number: ETN-913A555

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, 28-Spline, GM 7.5 in., Each

Part Number: ETN-912A317

4.31 out of 5 stars ( 16 )

Estimated Ship Date: Today

• Free Shipping

Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 26 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26017

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Dura Grip Positraction Carrier, Traction-Loc, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: YGA-26018

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Differential, Posi Performance, Limited Slip, 30-Spline, GM, 12-Bolt, 4 Series, Each

Part Number: ETN-19555-010

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.875 in., 30 Spline, 3.08 to 3.90 Ratio, Each

Part Number: SUM-730946

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, 26-Spline, GM, 7.5 in., 3.23 and Higher, Each

Part Number: ETN-911A319

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 7.5/7.6 in., 28 Spline, 3.23 Up Ratio, Each

Part Number: SUM-730960

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.2 in., 28 Spline, 3.08 Up Ratio, Each

Part Number: SUM-730962

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Differential, Eaton Detroit Truetrac, 33-Spline, GM 8.875 in., Each

Part Number: ETN-914A576

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Differential, Posi Performance, Limited Slip, 26-Spline, GM, 7.5 in., Each

Part Number: ETN-19663-010

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 8, 2025 if ordered today

• 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: Today

• Free Shipping

Differential, No-Slip Traction System, 30-Spline, GM, 12-Bolt, Each

Part Number: PWT-92-0788-3005

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Dec 3, 2025 if ordered today

• Free Shipping
• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $621.99

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 Carrier, Positraction, Nodular Iron, GM 8.75 in., 33 Spline, 3.08 to 3.90 Ratio, Each

Part Number: SUM-730948

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.42:1 Ratio, GM 7.5/7.625 in., Set

Part Number: YGA-10637

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping
• Mfr. Rebate

$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. ...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, 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

• Free Shipping
• Mfr. Rebate

$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. ...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

×

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

Part Number: YGA-24127

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

• Free Shipping

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

• Free Shipping
• Mfr. Rebate

$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. ...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

×

Gear, Ring and Pinion, 5.38:1 Ratio, GM, 12-Bolt Car, 4 Series, Set

Part Number: RMG-7900291

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping