Availability
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 153 Items.
Engine Expansion Plug Kit 95-10 CHR/DOD/PLY 2.4L
Part Number: EGN-PK12B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 91-14 FRD/LIN/MER 4.6L
Part Number: EGN-PK13
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 93-94 CHR/DOD 3.5L
Part Number: EGN-PK67B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 88-03 BUI/CHV/OLD/PON 3.1L
Part Number: EGN-PK71B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 95-07 BUI/CHV/OLD/PON 3.8L
Part Number: EGN-PK72
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 81-94 FRD/MER 1.6L/1.9L
Part Number: EGN-PK27
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 70-82 FRD/LIN/MER 5.8L/6.6L
Part Number: EGN-PK10
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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-PK14B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 70-80 CHV/GM/GMC/OLD/PON 4.3L/4.4L/5.0L/5.7L/6.6L
Part Number: EGN-PK2B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 82-04 AM General/CHV/GMC/Hummer 6.2L/6.5L
Part Number: EGN-PK59
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 82-04 AM General/CHV/GMC/Hummer 6.2L/6.5L
Part Number: EGN-PK59B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 86-08 FRD/MAZ/MER 3.0L
Part Number: EGN-PK51
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 86-08 FRD/MAZ/MER 3.0L
Part Number: EGN-PK51B
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 82-88 CAD 4.1L
Part Number: EGN-PK55
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 77-93 AMC/BUI/CHV/GMC/JEP/PON 2.5L
Part Number: EGN-PK42
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 84-94 FRD/MER 2.3L/2.5L
Part Number: EGN-PK58
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
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