GMC C3500HD Engine Blocks & Accessories

Rear Main Seal Housing, Chevy, Small Block, LT1, Each

Part Number: NAL-12554312

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Expansion Plugs, Freeze Plugs, Brass, Chevrolet, GMC, Big Block, Kit

Part Number: MEL-MPE-275BR

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

Cylinder Head Locating Dowel Pin, Steel, Chevy, Each

Part Number: ADO-12558081

2.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Freeze Plugs, Steel, 1.625 in. Diameter, AMC, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Jeep, Set of 10

Part Number: RNB-555-030

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.125 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL297HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 7.000 in. Length, Each

Part Number: MEL-590297

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, Chevy, GMC, Set of 10

Part Number: RNB-555-034

Not Yet Reviewed

Estimated Ship Date: Today

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.094 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL197HP

Not Yet Reviewed

Estimated Ship Date: Today

Freeze Plugs, Steel, 2.219 in. Closed End Diameter, 2.226 in. Open End Diameter, Chevy, GMC, Set of 10

Part Number: RNB-555-081

Not Yet Reviewed

Estimated Ship Date: Today

Main Cap Fasteners, ACDelco GM Genuine Parts Multi-Purpose Bolts, 7/16-14 Threads, Cadillac, Chevy, GMC, Olds, Pontiac, Each

Part Number: ADO-12561388

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, ACDelco GM Genuine Parts Engine Coolant Water Caps, Stainless Steel, 1.260 Diameter, Each

Part Number: ADO-11562126

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 3.00 in. Diameter, Chevy, GMC, Set of 10

Part Number: RNB-550-034

Not Yet Reviewed

Estimated Ship Date: Dec 3, 2026 if ordered today

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Engine Expansion Plug Kit 82-04 AM General/CHV/GMC/Hummer 6.2L/6.5L

Part Number: EGN-PK59B

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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Expansion Plugs, Steel, Diameter 1.638 in., Various, Each

Part Number: RNB-555-087

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plug Kit 82-04 AM General/CHV/GMC/Hummer 6.2L/6.5L

Part Number: EGN-PK59

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2026 if ordered today

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• Special Order