Product Description
Lock Washer
Frequently Asked Questions
Q: What does the TO 00591-44649-81 lock washer do?
A: The TO 00591-44649-81 is a genuine Toyota lock washer used to prevent bolt loosening and fastener vibration in electric lift truck assemblies. It maintains bolt tension and secures critical mechanical connections under continuous operation and shock loads.
Q: Which Toyota lift truck models use this lock washer?
A: This OEM lock washer is designed for Toyota electric lift trucks and serves cross-reference applications on Yale, Crown, Hyster, and Raymond equipment. Verify your equipment model and fastener diameter before ordering.
Q: What material is this lock washer made from?
A: Toyota OEM lock washers are typically manufactured from hardened steel or stainless steel to resist corrosion, vibration loss, and fatigue in industrial material handling applications.
Q: How do I know if the lock washer needs replacement?
A: Replace lock washers if you observe loose bolts, fastener rattle, visible deformation, corrosion, or if washers do not rebound when removed. Lock washers lose effectiveness after one use and should be replaced during any fastener service.
Q: Can this lock washer be used on multiple bolt sizes?
A: No. Lock washers are size-specific and must match your bolt diameter. The TO 00591-44649-81 is engineered for a specific fastener size. Order by the exact SKU and verify dimensions match your equipment.
