In Stock
- In Stock Items, Including at a Supplier. Ships In a Few Days. (32) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (36) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Make/Model
Make/Engine
Expansion Plug Material
- Brass (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Steel (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (in.)
- 1.750 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (mm)
- 44.45 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
Filter Options
- Stock Replacement (32)

Selected Filters

Availability

- In Stock Items, Including at a Supplier. Ships In a Few Days. (32) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- All Items, Including Not In Stock (36) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Filters
Make/Model
Make/Engine
Expansion Plug Material
- Brass (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- Steel (16) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (in.)
- 1.750 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Outside Diameter (mm)
- 44.45 (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Price Range
Filter Options
- Stock Replacement (32)

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 36 Items.

Results 1 - 25 of 32

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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 21, 2026 if ordered today

...Loading

Estimated Ship Date: May 21, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK23B

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

Part Number: EGN-PK23B

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK920

Engine Expansion Plug Kit 72-84 FRD/MAZ 1.8L/2.0L

Part Number: EGN-PK920

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK118

Engine Expansion Plug Kit 66-80 BUI/PON 5.6L/5.7L

Part Number: EGN-PK118

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

...Loading

Estimated Ship Date: May 22, 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

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK16B

Engine Expansion Plug Kit 59-81 BUI/GM/PON 4.3L/4.6L/4.9L/5.0L/5.3L/5.7L/6.4L/6.6L/6.9L/7.0L/7.5L

Part Number: EGN-PK16B

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK8

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

Part Number: EGN-PK8

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK14

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-PK14

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

Enginetech Engine Expansion Plug Kits PK3

Engine Expansion Plug Kit 65-90 BUI/CHV/GMC/OLD/PON 6.0L/6.5L/6.6L/7.0L/7.4L/L

Part Number: EGN-PK3

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 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 27, 2026 if ordered today

...Loading

Estimated Ship Date: May 27, 2026 if ordered today

Page 1 of 2
Next