CADILLAC Engine Blocks & Accessories Engines & Components

ACDelco GM Genuine Parts Engine Oil Fill Caps 12713786

Engine Oil Filler Caps, GM Genuine Parts, Stock Top Style, Round, Plastic, Black, Chevrolet, GMC, Each

Part Number: ADO-FC279

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Chevrolet Performance Oil Cooler Delete Plates 12577903

Oil Cooler Delete Plate, Aluminum, Natural, Chevy, 5.7L LS, 6.0L LS, Each

Part Number: NAL-12577903

4.67 out of 5 stars ( 6 )

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Chevrolet Performance Expansion Plugs 9427693

Engine Expansion Plug, Brass, Buick, Cadillac, Chevy, GMC, Hummer, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: NAL-9427693

5.0 out of 5 stars ( 4 )

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Dorman Expansion Plugs 555-007

Engine Expansion Plugs, Steel, 0.540 in. O.D., 0.180 in. Height, Buick, Chevy, Ford, GMC, Mercury, Set of 10

Part Number: RNB-555-007

4.67 out of 5 stars ( 3 )

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Pioneer Performance Freeze Plugs PE-100

Freeze Plug Kit, Steel, Chevy, Small Block, Kit

Part Number: PIO-PE-100

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Dorman Expansion Plugs 555-014

Expansion Plugs, Steel, 0.875 in. Diameter, Set of 10

Part Number: RNB-555-014

5.0 out of 5 stars ( 1 )

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COMP Cams Engine Plug Kits 251

COMP Cams Engine Plug Kits 251

Engine Expansion Plugs, Cadillac, Chevy, Small Block LS, Kit

Part Number: CCA-251

5.0 out of 5 stars ( 2 )

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Pioneer Performance Freeze Plugs PE-496-B

Freeze Plugs, Brass/Steel, Chevrolet, GM LS Engine, Kit

Part Number: PIO-PE-496-B

5.0 out of 5 stars ( 1 )

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Melling Engine Expansion Plug Kits MPE-137BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

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Dorman Expansion Plugs 555-030

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 )

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Earl's Performance Oil Cooler Block-Off Plates 1136ERL

Oil Cooler Block-Off Plates, Aluminum, Black Anodized, Cadillac, Chevrolet, GMC, Each

Part Number: EAR-1136ERL

4.0 out of 5 stars ( 1 )

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Dorman Oil Line Block-Off Plate Kits 99971

Oil Line Block-Off Plate, Aluminum, Natural, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Kit

Part Number: RNB-99971

2.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 555-080

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

Part Number: RNB-555-080

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Top Street Performance Trussed-Style Engine Valley Covers 81043BK

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

Part Number: TSN-81043BK

Not Yet Reviewed

Estimated Ship Date: Dec 28, 2026 if ordered today

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Estimated Ship Date: Dec 28, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

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Enginetech Engine Expansion Plug Kits PK1B

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

Part Number: EGN-PK1B

5.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 565-023

Freeze Plugs, Brass, 1.250 in. Diameter, Buick, Cadillac, Chevy, GMC, Pontiac, Dodge, Ford, Set of 10

Part Number: RNB-565-023

5.0 out of 5 stars ( 3 )

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Improved Racing Oil Cooler Adapters for 2016-2021 CAMARO, 2016-2019 CTS - EGM-136

Oil Cooler Delete, Billet Aluminum, Black Anodized, Chevy, Cadillac, Kit

Part Number: IRP-EGM-136

3.0 out of 5 stars ( 1 )

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Pioneer Performance Freeze Plugs PE-100-BR

Freeze Plug Kit, Brass, Chevy, Small Block, Kit

Part Number: PIO-PE100BR

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Melling Performance Cylinder Sleeves 592256

Cylinder Sleeve, Cast Iron, 4.095 in. Bore I.D., 0.125 in. Wall Thickness, 7.500 in. Length, Each

Part Number: MEL-592256

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Estimated Ship Date: Nov 17, 2026 if ordered today

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Estimated Ship Date: Nov 17, 2026 if ordered today

Top Street Performance Finned Aluminum Engine Valley Covers 81045BK

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

Part Number: TSN-81045BK

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Dorman Rear Main Seal Covers 635-786

Rear Main Seal Cover Kit

Part Number: RNB-635-786

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Melling Freeze Plugs MPE-120BR

Freeze Plugs, Brass, Cadillac 368, 425, 472, 500, Kit

Part Number: MEL-MPE-120BR

5.0 out of 5 stars ( 1 )

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Dorman Expansion Plugs 555-018

Engine Expansion Plug, Steel, 1.007 in. Closed End Diameter, 1.021 in. Open End Diameter, Set of 10

Part Number: RNB-555-018

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Dorman Expansion Plugs 555-049

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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Dorman Expansion Plugs 555-036

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

Part Number: RNB-555-036

4.0 out of 5 stars ( 3 )

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