Behr A/C Evaporator BOA80-377-00-23-900 – Freightliner Sleeper Slack Adjuster Rough idle or dead-cylinder miss

Rough idle or dead-cylinder miss that follows the injector when swapped

Kenworth T800 (2007–2024 with Cummins ISX or PACCAR PX-9)

43 cu-in displacement and an SAE-B 7/8"-13T spline shaft

Luber-finer: LAF3705

Behr A/C Evaporator BOA80-377-00-23-900 – Freightliner Sleeper Slack Adjuster Rough idle or dead-cylinder missKeep Freightliner Sleeper cooling with the 1801106 A C evaporator. Supports both R12 and R134a refrigerants for universal compatibility with legacy and modernized A C systems. Signs You Need a New A C Evaporator Sleeper bunk air conditioning is weak or not cooling Refrigerant or coolant leaking into the bunk area Musty, moldy, or stale odors from sleeper vents A C compressor runs but provides no cold air Specifications Manufacturer Behr Part Number