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Enginetech Engine Expansion Plug Kits

Not Yet Reviewed

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

Showing In Stock Items. Show All 26 Items.

Results 1 - 22 of 22

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

Not Yet Reviewed

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 18, 2026 if ordered today

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Estimated Ship Date: May 18, 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 PK29B

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

Part Number: EGN-PK29B

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK10B

Engine Expansion Plug Kit 70-82 FRD/LIN/MER 3.9L/4.9L/5.8L/6.6L

Part Number: EGN-PK10B

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 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

Not Yet Reviewed

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 PK11

Engine Expansion Plug Kit 58-78 FRD/MER 5.8L/5.9L/6.4L/7.0L

Part Number: EGN-PK11

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Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK10

Engine Expansion Plug Kit 70-82 FRD/LIN/MER 5.8L/6.6L

Part Number: EGN-PK10

Not Yet Reviewed

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 PK29

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

Part Number: EGN-PK29

Not Yet Reviewed

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 PK11B

Engine Expansion Plug Kit 58-78 FRD/MER 3.6L/3.9L/4.3L/4.9L/5.8L/5.9L/6.4L/7.0L

Part Number: EGN-PK11B

Not Yet Reviewed

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 PK27

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

Part Number: EGN-PK27

Not Yet Reviewed

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 PK26

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

Part Number: EGN-PK26

Not Yet Reviewed

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

Not Yet Reviewed

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 PK58

Engine Expansion Plug Kit 84-94 FRD/MER 2.3L/2.5L

Part Number: EGN-PK58

Not Yet Reviewed

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 PK30

Engine Expansion Plug Kit 74-86 FRD/MER 2.8L

Part Number: EGN-PK30

Not Yet Reviewed

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 PK278B

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

Part Number: EGN-PK278B

Not Yet Reviewed

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 PK9

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

Part Number: EGN-PK9

Not Yet Reviewed

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 PK278

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

Part Number: EGN-PK278

Not Yet Reviewed

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 PK13

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

Part Number: EGN-PK13

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1995-1998 CONTOUR, 1997 MYSTIQUE - PK69

Engine Expansion Plug Kit 95-98 FRD/MER 2.5L

Part Number: EGN-PK69

Not Yet Reviewed

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 PK926

Engine Expansion Plug Kit 84-04 INF/MER/NIS 3.0L/3.3L

Part Number: EGN-PK926

Not Yet Reviewed

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 PK6

Engine Expansion Plug Kit 60-83 FRD/MER 2.4L/2.8L/3.3L/4.1L

Part Number: EGN-PK6

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

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