Enginetech Engine Expansion Plug Kits

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Enginetech offers engine expansion plug kits for a variety of car, truck, SUV, high performance, and marine applications. Machined from brass or steel, the kits inc

Enginetech offers engine expansion plug kits for a variety of car, truck, SUV, high performance, and marine applications. Machined from brass or steel, the kits include a variety of sizes to seal whatever ports need to be closed off. The plugs are produced in accordance with factory specs to ensure proper fit and performance. They meet or exceed OE quality standards. Order the kit recommended for your engine.

Expansion plugs (or freeze plugs) serve two primary purposes: to block coolant leaks from internal passages, and to protect the engine block from cracking if the coolant inside freezes and expands. The plugs

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Enginetech Engine Expansion Plug Kits PK26B

Engine Expansion Plug Kit 68-97 FRD/LIN/MER 3.9L/4.6L/4.9L/6.1L/7.0L/7.5L

Part Number: EGN-PK26B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK114B

Engine Expansion Plug Kit 59-79 CHR/DOD/PLY 6.3L/6.6L/6.7L/6.8L/7.0L/7.2L

Part Number: EGN-PK114B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK13B

Engine Expansion Plug Kit 91-14 FRD/LIN/MER 4.6L/4.9L

Part Number: EGN-PK13B

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK51B

Engine Expansion Plug Kit 86-08 FRD/MAZ/MER 3.0L

Part Number: EGN-PK51B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK3B

Engine Expansion Plug Kit 65-90 BUI/CHV/GM/GMC/OLD/PON 4.3L/4.4L/4.6L/4.9L/5.0L/5.7L/6.0L/6.5L/6.6L/7.0L/7.4L/L

Part Number: EGN-PK3B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK1

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: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK29B

Engine Expansion Plug Kit 74-94 FRD/MER/MKR 2.0L/2.3L

Part Number: EGN-PK29B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK9B

Engine Expansion Plug Kit 62-01 FRD/LIN/MER 3.3L/3.6L/3.9L/4.2L/4.3L/4.6L/4.7L/4.9L/5.0L/5.8L

Part Number: EGN-PK9B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK8B

Engine Expansion Plug Kit 65-96 FRD 3.9L/4.9L

Part Number: EGN-PK8B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

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

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK23

Engine Expansion Plug Kit 59-75 International 4.2L/4.3L/4.4L/5.0L/5.6L/6.4L

Part Number: EGN-PK23

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK14B

Engine Expansion Plug Kit 55-03 CHR/DOD/JEP/PLY 3.7L/4.5L/4.9L/5.2L/5.6L/5.9L

Part Number: EGN-PK14B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK18B

Engine Expansion Plug Kit 66-91 AMC/JEP 4.7L/5.0L/5.6L/5.9L/6.4L/6.6L

Part Number: EGN-PK18B

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK185

Engine Expansion Plug Kit 85-09 CHV/GMC/IZU/OLD/PON 4.3L

Part Number: EGN-PK185

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK114

Engine Expansion Plug Kit 59-79 CHR/DOD/PLY 6.3L/6.6L/6.7L/6.8L/7.0L/7.2L

Part Number: EGN-PK114

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Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK51

Engine Expansion Plug Kit 86-08 FRD/MAZ/MER 3.0L

Part Number: EGN-PK51

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK31B

Engine Expansion Plug Kit 00-13 CHR/DOD/JEP/Ram 4.7L

Part Number: EGN-PK31B

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK112B

Engine Expansion Plug Kit 60-87 CHR/DOD/PLY 2.8L/3.2L/3.7L

Part Number: EGN-PK112B

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK16

Engine Expansion Plug Kit 59-81 BUI/PON 4.3L/5.3L/5.7L/6.4L/6.6L/6.9L/7.0L/7.5L

Part Number: EGN-PK16

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK71B

Engine Expansion Plug Kit 88-03 BUI/CHV/OLD/PON 3.1L

Part Number: EGN-PK71B

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1982-1985 CELICA, 1983-1992 CRESSIDA, 1986-1992 SUPRA - PK916

Engine Expansion Plug Kit 82-92 TOY 2.8L/3.0L

Part Number: EGN-PK916

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1980 LUV, 1982-1985 PICKUP, 1985 TROOPER - PK902

Engine Expansion Plug Kit 76-87 CHV/GMC/IZU 1.8L/1.9L

Part Number: EGN-PK902

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1996 PASEO, 1990-1991 TERCEL - PK918

Engine Expansion Plug Kit 87-98 TOY 1.5L

Part Number: EGN-PK918

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1994 RAM 3500 - PK817B

Engine Expansion Plug Kit 94-03 DOD 8.0L

Part Number: EGN-PK817B

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Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

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