Fleetguard AF55839 is a panel-style cabin air filter for Kenworth T680, T880, T800, T660, and W990, Peterbilt 567 and 579, and International HV, MV, and LT-series trucks, replacing Paccar X1987001/X19987001 and International 4070948C1. It uses non-woven synthetic media to capture road dust, pollen, and diesel soot before they enter the HVAC system. Signs You Need a New Cabin Air Filter Reduced HVAC airflow at high blower speeds Musty smell from vents on heat or A/C Excess dust accumulating on the dash and trim Driver complaints of allergy or sinus irritation in cab Specifications Manufacturer Fleetguard (Cummins Filtration) Part Number AF55839 Part Type Cabin Air Filter Panel Length 8.94 in (228 mm) Width 7.87 in (200 mm) Height 1.18 in (30 mm) Media Type Non-woven synthetic Cross References This part replaces or is equivalent to the following part numbers: Paccar: X1987001, X19987001, SR2000092 Peterbilt: PX1987001 International: 4070948C1 Baldwin: PA4405, PA30093 Donaldson: P640110 WIX: 24479 Luber-Finer: CAF1815P Mann & Hummel: C25870 Rig Tough: 5502220 Applications This cabin air filter fits the following trucks: Kenworth T680 (2013–2020), T880 (2014–2020), T800 (2010–2018), T660, T700, W990 (2019–2020) Peterbilt 567 (2012+), 579 (2012+) International LoneStar (2019–2020), LT625 (2017–2020) International HV507, HV513, HV607, HV613, MV607, RH613 Some newer T680 trucks use a thinner sponge-style cabin filter and require AF55836 instead — verify your existing filter dimensions before ordering.
