Locking Diesel Fuel Cap 3 1/2" Course Thread 5.5 TPI Fit for Kenworth Freightliner Peterbilt Western Star Fuel Tank, Semi Truck Tank Locking Gas Cap Replace 572.1036, SNV 431089 with 2Keys. 【COMPATIBLE WITH 】:Fuel Locking Gas Cap Compatible with Vehicles: The fuel tank locking cap fits for Freightliner before 1984，fits for Kenworth after 1984，fits for Peterbilt before 1980，fits for Western Star before 1983.
