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 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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK914

Engine Expansion Plug Kit 83-12 CHR/DOD/EAG/HYU/KIA/MIT/PLY 1.6L/1.8L/2.0L/2.4L/L

Part Number: EGN-PK914

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK59B

Engine Expansion Plug Kit 82-04 AM General/CHV/GMC/Hummer 6.2L/6.5L

Part Number: EGN-PK59B

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK253B

Engine Expansion Plug Kit 90-98 CHR/DOD/PLY 3.3L

Part Number: EGN-PK253B

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK64B

Engine Expansion Plug Kit 90-97 BUI/CHV/GMC/IZU/OLD/PON 2.2L

Part Number: EGN-PK64B

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK19

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

Part Number: EGN-PK19

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK909

Engine Expansion Plug Kit 86-05 KIA/MAZ 1.6L

Part Number: EGN-PK909

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK907

Engine Expansion Plug Kit 88-97 HON/IZU 2.6L

Part Number: EGN-PK907

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK27

Engine Expansion Plug Kit 81-94 FRD/MER 1.6L/1.9L

Part Number: EGN-PK27

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK911

Engine Expansion Plug Kit 79-02 DOD/HYU/MIT/PLY 1.4L/1.5L

Part Number: EGN-PK911

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK185B

Engine Expansion Plug Kit 85-14 CHV/GM/GMC/IZU/OLD/PON 4.3L

Part Number: EGN-PK185B

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK278

Engine Expansion Plug Kit 90-11 FRD/MAZ/MER 4.0L

Part Number: EGN-PK278

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK19B

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

Part Number: EGN-PK19B

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK13

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

Part Number: EGN-PK13

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Estimated Ship Date: Apr 17, 2026 if ordered today

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Estimated Ship Date: Apr 17, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK56

Engine Expansion Plug Kit 81-95 CHR/DOD/PLY 2.2L/2.5L

Part Number: EGN-PK56

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 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: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK229AB

Engine Expansion Plug Kit 80-03 FRD/International 6.8L/6.9L/7.3L

Part Number: EGN-PK229AB

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK253

Engine Expansion Plug Kit 90-98 CHR/DOD/PLY 3.3L

Part Number: EGN-PK253

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK32

Engine Expansion Plug Kit 75-95 TOY 2.2L/2.4L

Part Number: EGN-PK32

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK915

Engine Expansion Plug Kit 80-04 NIS 2.0L/2.2L/2.4L

Part Number: EGN-PK915

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK912

Engine Expansion Plug Kit 86-01 TOY 2.0L/2.2L

Part Number: EGN-PK912

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Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

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