Description:

DIRECT OEM REPLACEMENT, PART# 902-5403 Reverse-engineered strictly per factory specs to directly replace lost, cracked or leaking original coolant reservoir caps. Perfectly fits Freightliner Cascadia, Kenworth T660 T680/T800, Peterbilt 330, 335, 362, 365, 367, 384, 386, 387, 388, 389 and other heavy-duty semi-trucks; matches original thread pitch, outer dimension and twist-lock structure without any modification..
COMPATIBLE WITH Peterbilt 367 2008-2023, 384 2008-2016, 388 2008-2015, 389 2008-2023, 567 2014-2023, Freightliner Cascabia 2008-2018, Columbia 2008-2011, Kenworth T660 2010-2019, T680 2017-2022, T800 2010-2024, T880 2014-2025..
HEAVY-DUTY REINFORCED THERMOPLASTIC FOR EXTREME TRUCK CONDITIONS Made of high-temperature & anti-corrosion reinforced plastic, resistant to engine bay high heat, coolant chemical erosion and long-term vibration. Anti-slip ribbed outer design enables easy hand tightening; printed clear CAUTION warning mark reminds users not to open while hot for safe maintenance..
TOOL-FREE INSTALLATION, SAVE TRUCK MAINTENANCE COST No extra tools or professional mechanics required. Simply twist off your old cap and screw on this replacement within 30 seconds. Far more cost-effective than dealer OEM parts, ideal for fleet owners, independent garages and long-distance truck drivers for routine cooling system maintenance..
STRICT QUALITY TESTED FOR LONG SERVICE LIFE Every coolant reservoir cap undergoes air tightness and pressure cycle testing before shipment. Stable performance resists frequent temperature swings on highways or construction sites, effectively extending the service life of your coolant expansion tank and the whole vehicle cooling system..