Recommended Parts for SPZ-17032

USA Standard Gear Spartan Lockers GM 8.875 Inch (12-bolt), truck SL GM12-30

USA Standard Gear Spartan Lockers GM 8.875 Inch (12-bolt), truck SL GM12-30

SPZ-17032

4 out of 5 stars ( 4 )

Part Number: SPZ-17032

Estimated Ship Date from OH, GA, TX: Monday 10/19/2026

$333.00

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Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7111

Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7111

Moser Engineering Aluminum 12 Bolt GM 8.875 Inch Differential Cover 7111

Differential Cover, Aluminum, Natural, GM, 8.875 in. Truck, Kit

Part Number: MSR-7111

4.6 out of 5 stars ( 55 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

B&M 12 Bolt GM 8.875 Inch Differential Cover 70504

B&M 12 Bolt GM 8.875 Inch Differential Cover 70504

B&M 12 Bolt GM 8.875 Inch Differential Cover 70504

Differential Cover, Rear, 12-bolt, Aluminum, Natural, GM 8.875 in. Truck, Each

Part Number: BMM-70504

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503B

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503B

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503B

Differential Cover, Aluminum, Black Powdercoated, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503B

3.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503

Summit Racing™ Aluminum 12 Bolt GM 8.875 Inch Differential Cover SUM-730503

Differential Cover, Aluminum, Polished, GM, 12-Bolt 8.875 in., Truck, Kit

Part Number: SUM-730503

4.35 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

USA Standard Gear Master Overhaul Kits ZK GM12T

USA Standard Gear Master Overhaul Kits ZK GM12T

USA Standard Gear Master Overhaul Kits ZK GM12T

Ring and Pinion Gear Installation Kits, Master Overhaul Kits, 30-spline, GM 8.875 in. (12-bolt) Truck, Rear, Chevrolet, GMC, Kit

Part Number: SPZ-37043

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

USA Standard Gear Master Overhaul Kits ZK GM12P

USA Standard Gear Master Overhaul Kits ZK GM12P

USA Standard Gear Master Overhaul Kits ZK GM12P

USA Standard Master Overhaul kit for the GM 12P differential

Part Number: SPZ-37042

Not Yet Reviewed

Estimated Ship Date: Monday 10/19/2026 if shipped by air

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Estimated Ship Date: Monday 10/19/2026 if shipped by air

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