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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 153 Items.
Engine Expansion Plug Kit 64-90 AMC/AMC/JEP 3.3L/3.8L/4.0L/4.2L
Part Number: EGN-PK17B
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 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: 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 91-14 FRD/LIN/MER 4.6L/4.9L
Part Number: EGN-PK13B
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 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: 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
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: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
Engine Expansion Plug Kit 04-10 FRD 6.0L
Part Number: EGN-PK936
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 65-96 FRD 3.9L/4.9L
Part Number: EGN-PK8B
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 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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
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: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Engine Expansion Plug Kit 83-02 AMC/DOD/EAG/JEP 2.5L
Part Number: EGN-PK181B
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 85-14 CHV/GM/GMC/IZU/OLD/PON 4.3L
Part Number: EGN-PK185B
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 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 97-14 FRD/LIN 5.4L
Part Number: EGN-PK15
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 97-14 FRD/LIN 4.6L/5.4L
Part Number: EGN-PK15B
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 85-09 CHV/GMC/IZU/OLD/PON 4.3L
Part Number: EGN-PK185
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 91-00 BUI/CHV/GM/GMC/OLD/PON 4.3L/6.0L/7.0L/7.4L/L
Part Number: EGN-PK4B
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 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 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 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 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
