Block-Type Expansion Valve BOAN8119001 – Freightliner Aux Unit Williams Controls Used genuine Cummins 4298644 cylinder-head

Used genuine Cummins 4298644 cylinder-head water transfer manifold (casting 3686246)

Fleetguard FS20022 spin-on fuel/water separator for Cummins QSB 6

OTC 4292 Digital Readout

Richardson 112 trucker hat featuring an embroidered retro Detroit Diesel patch on the front panel

Block-Type Expansion Valve BOAN8119001 – Freightliner Aux Unit Williams Controls Used genuine Cummins 4298644 cylinder-headEngineered for Freightliner Aux Unit, the 2001023 expansion valve delivers OEM spec performance. Designed as a secondary cooling unit with slim line block construction and flange mount. Features #6 #8 inlet ports and is commonly used in sleeper cab or rear auxiliary A C systems on Freightliner 122SD and Coronado models. Signs You Need a New Expansion Valve Weak cooling in sleeper or rear cabin area Frost on auxiliary evaporator coil Uneven temperature