Product Description
Head gasket
Frequently Asked Questions
Q: What forklift engine models use the 3040397 head gasket?
A: The 3040397 head gasket fits specific gasoline engine blocks in Crown, Toyota, Raymond, and Yale forklifts. Confirm your engine displacement and casting number before ordering.
Q: What material is the 3040397 head gasket made from?
A: The gasket is typically composite material with steel core layers. This provides compression resistance, thermal stability, and chemical resistance to engine coolant and oil.
Q: What symptoms indicate the 3040397 head gasket is failing?
A: Symptoms include coolant in the oil, white smoke from the exhaust, overheating, loss of coolant, low compression, and external coolant leaks between the head and block.
Q: How long does a 3040397 head gasket last?
A: A properly installed gasket lasts 4000 to 8000 operating hours. Failure occurs sooner if the engine overheats, runs lean, or experiences repeated thermal cycling in cold storage.
Q: Why does the 3040397 gasket fail prematurely on some forklifts?
A: Premature failure occurs from head bolt stretch, warped cylinder head surface, coolant contamination, or overheating. Inspect the head and block surfaces for damage before installing a new gasket.
Q: How do I know if the 3040397 is the correct gasket for my engine?
A: Cross-reference your engine serial number and displacement with the forklift service manual. The manual provides the correct gasket SKU by engine type and model year.