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 28 Items.
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 86-92 FRD/MKR 2.9L
Part Number: EGN-PK250
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 90-11 FRD/MAZ/MER 4.0L
Part Number: EGN-PK278
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 75-95 BUI/CAD/CHV/GMC/OLD/PON 3.0L/3.2L/3.8L/4.1L
Part Number: EGN-PK19
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 74-94 FRD/MER/MKR 2.0L/2.3L
Part Number: EGN-PK29
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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 90-97 BUI/CHV/GMC/IZU/OLD/PON 2.2L
Part Number: EGN-PK64
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 83-02 AMC/DOD/EAG/JEP 2.5L
Part Number: EGN-PK181
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 89-93 BUI/OLD/PON 3.3L
Part Number: EGN-PK244
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 66-80 BUI/PON 5.6L/5.7L
Part Number: EGN-PK118
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 95-98 FRD/MER 2.5L
Part Number: EGN-PK69
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 74-86 FRD/MER 2.8L
Part Number: EGN-PK30
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 80-95 BUI/CAD/CHV/GMC/IZU/JEP/OLD/PON 2.8L/3.1L
Part Number: EGN-PK48
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 97-01 CHV/PON 5.7L
Part Number: EGN-PK820
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 82-88 CAD 4.1L
Part Number: EGN-PK55
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 65-96 FRD 3.9L/4.9L
Part Number: EGN-PK8
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 99-12 BUI/CAD/CHV/GMC/IZU/PON/SAB 4.8L/5.3L
Part Number: EGN-PK827
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 84-89 TOY 2.0L/2.2L
Part Number: EGN-PK930
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 82-94 BUI/CHV/OLD/PON 1.8L/2.0L
Part Number: EGN-PK173
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
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