Rig Tough 6405002 Peterbilt Non-Locking Fuel Cap

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Rig Tough 6405002 is a 4" lever-style, non-locking aluminum diesel fuel cap with a pressure-relief vent and tether for Peterbilt fuel tanks. It replaces Peterbilt OEM 11-04859-100 and HD Fleet FTA-C-68-P, fitting the 4" SCH 40/80 fill neck used across most modern Peterbilt models from 1972 onward. Specifications Manufacturer Rig Tough Part Number 6405002 Part Type Diesel fuel cap, lever style, non-locking, vented Material Aluminum Cap Diameter 4" (fits 4" SCH 40/80 fill neck) Tether ~8" chain with bail Vent Pressure-relief; tank must be vented Cross References This fuel cap replaces or is equivalent to the following part numbers: Peterbilt: 11-04859-100, 11-04859-100-2 HD Fleet Fuel Caps: FTA-C-68-P Also known as: S-20270, 572.1014 Applications This fuel cap fits 4" lever-neck Peterbilt fuel tanks on the following models: Peterbilt 320, 325, 330, 335, 337, 340, 348 (medium-duty) Peterbilt 357, 359, 362, 365, 367, 377, 378, 379, 384, 385, 386, 387, 388, 389 (heavy-duty) Peterbilt 567, 579, 587 (newer heavy-duty) Verify the fill-neck diameter and lever style on your tank before ordering. Replace the cap O-ring whenever you renew the cap to ensure a proper vent and seal. Show more