Image is for illustration purposes only. Actual part may vary.
331283
This is a regulator housing gasket for Caterpillar diesel engines, including the 3400, 3406E, C15, C16, and C18 series. It seals the thermostat (regulator) housing to the engine block, preventing coolant leaks. Replace it whenever you service the thermostat or if you notice coolant seeping from the housing joint.
Verify fitment for your specific engine model; this gasket is commonly used on the listed engines.
Part Number: 331283
GASKET REG HSNG CAT4W4014
Unit: ea
Dealer: Knox Trailers
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