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 153 Items.

Results 1 - 25 of 135

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 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 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

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 20, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

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

...Loading

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 19, 2026 if ordered today

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 20, 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

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 20, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 20, 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

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

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

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

...Loading

Estimated Ship Date: May 19, 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

Not Yet Reviewed

Estimated Ship Date: May 20, 2026 if ordered today

...Loading

Estimated Ship Date: May 20, 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

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK5

Engine Expansion Plug Kit 62-89 BUI/CHV/GMC/OLD/PON 3.2L/3.8L/4.1L/4.8L

Part Number: EGN-PK5

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK908

Engine Expansion Plug Kit 83-95 FRD/KIA/MAZ 2.0L/2.2L

Part Number: EGN-PK908

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK181

Engine Expansion Plug Kit 83-02 AMC/DOD/EAG/JEP 2.5L

Part Number: EGN-PK181

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Enginetech Engine Expansion Plug Kits for 1987 COMANCHE, 1997-2001 GRAND CHEROKEE, 1993-2002 WRANGLER - PK256

Engine Expansion Plug Kit 87-06 JEP 4.0L

Part Number: EGN-PK256

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

...Loading

Estimated Ship Date: May 18, 2026 if ordered today

Page 1 of 6
Next