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Enginetech Engine Expansion Plug Kits
Not Yet Reviewed
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
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 are designed to "pop out" under the pressure of expanding ice, preventing more severe damage, like a cracked block.
Showing In Stock Items. Show All 20 Items.
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 81-95 CHR/DOD/PLY 2.2L/2.5L
Part Number: EGN-PK56
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 78-89 CHR/DOD/MAZ/MIT/PLY 2.6L
Part Number: EGN-PK49
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 95-10 CHR/DOD/PLY 3.5L
Part Number: EGN-PK68B
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 95-10 CHR/DOD/PLY 3.5L
Part Number: EGN-PK68
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 81-95 CHR/DOD/PLY 2.2L/2.5L
Part Number: EGN-PK56B
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 79-02 DOD/HYU/MIT/PLY 1.4L/1.5L
Part Number: EGN-PK911
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 95-10 CHR/DOD/PLY 2.4L
Part Number: EGN-PK12B
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 90-98 CHR/DOD/PLY 3.3L
Part Number: EGN-PK253B
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 60-87 CHR/DOD/PLY 2.8L/3.2L/3.7L
Part Number: EGN-PK112
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Engine Expansion Plug Kit 87-06 CHR/DOD/HYU/MIT/PLY 2.5L/3.0L/3.5L
Part Number: EGN-PK254
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
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
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
