Toyota Lexus OEM 16603-31010 Idler Pulley No.1 16603-31040 Tacoma
Toyota OEM Serpentine Belt Idler Number (No) 1. This idler is used on the 1GR-FE 1TR-FE 2TR-FE.
Idler comes complete with updated washer / spacer, this spacer may or may not be needed your specific Truck or SUV may already have one that you will reuse or it may not be needed at all depending on the application.
Part number 16603-31010, 16603-31040.
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