PETERBILT CAP-FILL Image Not Found it supports efficient operation and

it supports efficient operation and long service life

maintaining reliable sensor operation and preventing fluid leaks

Inspect regularly for wear or loosening in high-vibration environments

ensuring optimal engine operating conditions

PETERBILT CAP-FILL Image Not Found it supports efficient operation andThe PETERBILT CAP FILL is a high durability plastic coolant reservoir or surge tank cap designed for a threaded installation. It seals the cooling system to maintain proper pressure without a vent or pressure release lever. Compatible with a wide range of Kenworth modelsincluding T680, C500, T440, T470, T660, T800, and W900and Peterbilt models such as 335, 357, 359, 365, 367, 379, 384, 386, 387, 388, 389, 567, and 579, this cap ensures reliable