BOLT TIMING CHAIN CO (Toyota TY11319-31720-71)

TY11319-31720-71: A worn timing chain bolt can lead to chain slack and eventual timing misalignment. This aftermarket replacement part references Toyota as the OE maker and cross-references part number TY11319-31720-71. The bolt secures the timing chain guide or sprocket, maintaining proper chain tension during operation. If the bolt loosens or fails, the chain may skip teeth, causing valve timing errors. During a timing service, this bolt is typically replaced to prevent future failure. The item ships at approximately 0.03 pounds. Verify the serial number or application, then call (562) 693-7748.

Part number variants: TY11319-31720-71, ty11319-31720-71, TY113193172071, ty113193172071