CADILLAC Engine Blocks & Accessories

Rear Main Seal Cover Kit

Part Number: RNB-635-786

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Expansion Plugs, Steel, 2.094 in. O.D., 0.280 in. Depth, Set of 10

Part Number: RNB-555-049

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Estimated Ship Date: Tomorrow

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

Part Number: ADO-12561388

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Estimated Ship Date: Tomorrow

• $20 Summit Bucks on $200 spent*

Freeze Plugs, Steel, 1.765 in. Diameter, Set of 10

Part Number: RNB-555-036

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

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Estimated Ship Date: Tomorrow

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: Tomorrow

• $20 Summit Bucks on $200 spent*

Expansion Plugs, Steel, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-557-001

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Expansion Plugs, Brass, 15 Expansion Plugs, 5 Pipe Plugs, Kit

Part Number: RNB-567-001

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Freeze Plug Kit, Brass, Chevy, Pontiac, Buick, GMC, Oldsmobile, V6, Kit

Part Number: PIO-PE-137-BR

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-608BR

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Main Bolts, OE Replacement, GM, Set of 10

Part Number: RNB-45691

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Expansion Plug Kit 55-02 BUI/CAD/CHV/GMC/OLD/PON 3.3L/3.8L/4.3L/4.4L/4.6L/4.9L/5.0L/5.3L/5.7L

Part Number: EGN-PK1

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Estimated Ship Date: Tomorrow

Engine Expansion Plug Kit 99-17 BUI/CAD/CHV/GM/GMC/Hummer/IZU/PON/SAB 4.3L/5.3L/6.0L

Part Number: EGN-PK293B

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2026 if ordered today

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Lifter Valley Plates, LS Valley, Billet Aluminum, Trussed with Oil Fill, Natural Finish, 10-Bolt Pattern, Chevy, LS, 5.7L, Each

Part Number: HLY-241-367

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Engine Expansion Plugs, Steel, Chevy, 3.2L, 3.8L, Set of 10

Part Number: RNB-555-019

Not Yet Reviewed

Estimated Ship Date: Nov 16, 2026 if ordered today

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Oil Cooler Block-Off Plate, Billet Aluminum, Black Anodized, Chevy, Cadillac, 6.2L V8, Kit

Part Number: IRP-E6G-680

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Estimated Ship Date: Tomorrow

OLDS 350-403, Stud Kit, Main Girdle, Includes 8ea, 1/2" Longer Studs, 7/16"-14/20 x 4.50" Studs, PRW Fasteners & Hardware.

Part Number: PQX-1000211

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

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Engine Cylinder Head Dowel Pin, Engine Cylinder Head Dowel Pin, PIN-CYL HD DOWL

Part Number: ADO-14024244

Not Yet Reviewed

Estimated Ship Date: Dec 2, 2026 if ordered today

• $20 Summit Bucks on $200 spent*
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Main Studs, 2-Bolt Main, Cadillac, 472, 500, Kit

Part Number: ARP-135-5507

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2026 if ordered today

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Billet Oil Galley Plug, GM LT Engines

Part Number: DER-35605

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-262R

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Engine Expansion Plug Kit 75-95 BUI/CAD/CHV/GMC/OLD/PON 3.0L/3.2L/3.8L/4.1L

Part Number: EGN-PK19B

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Engine Valley Cover, Trussed, Billet Aluminum, Black, Hardware Included, Chevy, Each

Part Number: TSN-81044BK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Engine Expansion Plug Kit, Stock Replace

Part Number: MEL-MPE-848R

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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