BUICK Dorman Engine Blocks & Accessories

Rear Main Seal Cover, Aluminum, Natural, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Saab, Kit

Part Number: RNB-635-518

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Engine Expansion Plug, Oil Galley, Rubber/Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-02600

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 1.250 in. Diameter, 0.300 in. Height, Cadillac, Chevy, Chrysler, Set of 10

Part Number: RNB-555-024

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Set of 10

Part Number: RNB-555-028

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Freeze Plugs, Steel, Set of 10

Part Number: RNB-555-025

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Expansion Plugs, Steel, 2.109 in. Diameter, Set of 10

Part Number: RNB-555-080

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plug, Steel, 1.5 in. Width, 0.570 in. Height, Buick, Chevy, Fiat, GMC, Set of 10

Part Number: RNB-555-027

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 1.953 in. Open End Diameter, Buick, 4.3L L8, 5.2L L8, Set of 10

Part Number: RNB-555-040

Not Yet Reviewed

Estimated Ship Date: Today

Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

• Drop Ship
• Special Order

Expansion Plugs, Steel, Diameter 2.015 in., Various, Each

Part Number: RNB-555-069

Not Yet Reviewed

Estimated Ship Date: Today

Engine Expansion Plugs, Steel, 0.625 in. O.D., 0.232 in. Height, Buick, Cadillac, Chevy, Jeep, Olds, Set of 10

Part Number: RNB-555-011

Not Yet Reviewed

Estimated Ship Date: Today

Expansion Plug, Rubber, 3/4 in. To 7/8 in., Each

Part Number: RNB-02608

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Expansion Plugs, Steel, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Isuzu, Jeep, Set of 10

Part Number: RNB-555-104

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Expansion Plugs, Brass, Diameter 0.947 in., Buick, Oldsmobile, Pontiac, Each

Part Number: RNB-565-016

Not Yet Reviewed

Estimated Ship Date: Today