CADILLAC SEVILLE Engine Expansion Plugs Engine Blocks & Accessories Engines & Components

Dorman Expansion Plugs 555-028

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 )

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Pioneer Performance Freeze Plugs PE-100

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

Part Number: PIO-PE-100

Not Yet Reviewed

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Melling Freeze Plugs MPE-120BR

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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Melling Engine Expansion Plug Kits MPE-137BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-137BR

Not Yet Reviewed

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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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Pioneer Performance Freeze Plugs PE-100-R

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: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 51 )

Estimated Ship Date: Tomorrow

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Dorman Expansion Plugs 555-069

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

Part Number: RNB-555-069

Not Yet Reviewed

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Enginetech Engine Expansion Plug Kits PK25B

Engine Expansion Plug Kit 64-90 BUI/CAD/CHV/GM/GMC/OLD/PON 4.3L/4.4L/4.6L/4.9L/5.0L/5.4L/5.7L/6.6L/7.0L/7.5L

Part Number: EGN-PK25B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Melling Engine Expansion Plug Kits MPE-608BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-608BR

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Pioneer Automotive Engine Expansion Plugs PE-124-B

EXP PLUG KIT

Part Number: PIO-PE-124-B

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Pioneer Automotive - Engine Expansion Plugs for 1979-1980 ELDORADO, 1978-1980 SEVILLE - PE-182-R

EXP PLUG KIT

Part Number: PIO-PE-182-R

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Pioneer Automotive - Engine Expansion Plugs for 1979-1980 ELDORADO, 1978-1980 SEVILLE - PE-182

EXP PLUG KIT

Part Number: PIO-PE-182

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK21B

Engine Expansion Plug Kit 68-84 CAD 6.0L/7.0L/7.7L/8.2L

Part Number: EGN-PK21B

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today