M12-1.5 LS Head Plug – Seals coolant sensor holes in LS1/LSX/LS3. Hose thread fitting for fuel/oil/coolant, compatible with braided plumbing. Part Number: 551158
Special Features
Included components: 1 screw plug, 1 sealing gasket.
Reusable adaptors
M12-1.5 thread for blocking the cooling fluid hole of the LS series cylinder cap
Coolant Temperature Sensor cylinder head location
Description
Compatible with: all GM LS Series Engines 1997-2014
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