Block-Type Expansion Valve BOAN8119001 – Freightliner Aux Unit Williams Controls replacing Mack 3QM313M2 (latch) /

replacing Mack 3QM313M2 (latch) / 25169065 (latch) and the matching catch-bracket hardware

John Deere compact construction equipment (RE68049 platform)

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

16-16528-000

15 lbs Warranty 1 year Cross References

Block-Type Expansion Valve BOAN8119001 – Freightliner Aux Unit Williams Controls replacing Mack 3QM313M2 (latch) /Engineered 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