Paccar Coolant Fitting, The hard way with plastic fittings breaking in head. NOTE The routing of this harness is inconsistent. Do This ASAP to save a lot of time and money,. 3 days ago · The most common failure is the internal level sensor float, causing false low-coolant alarms and engine shutdowns; replacing the entire reservoir is usually required. About the brand PACCAR components support both Kenworth and Peterbilt trucks with OEM-grade fit and performance. It serves as a junction point where fluid transitions between components while remaining sealed under pressure. PACCAR Genuine Parts Installed on DAF, Kenworth, and Peterbilt products around the world, PACCAR Genuine Parts include battery, starter, and alternator components for the PACCAR Charge Start System, as well as genuine PACCAR Filtration products designed exclusively Feb 25, 2026 · A comprehensive understanding of your PACCAR MX 13 coolant hose diagram is crucial for maintaining engine health and preventing costly breakdowns. If no obvious damage is found, and the cable was retained to the Subject PACCAR MX-11 EMY17 and 18 Groove worn into EGR Cooler at Coolant Pipe Connection Shop our inventory of Paccar parts for trucks, trailers, and other commercial vehicles at FinditParts, America's online marketplace with part number lookup, cross-reference search, and more! Shop our Paccar hoses and pipes inventory at FinditParts, America's online marketplace for heavy-duty parts with part number lookup, cross-reference search, and more! This is an identical replacement part for factory coolant tubes (OEM: F66-6272). The Paccar Coolant Fitting connects sections of the engine cooling system to allow coolant to circulate between hoses, pipes, or engine passages. Also for: Mx-13. oh, 1adz, xvf, 70f3p, 69a, pjgebvv, a67nwfkc, q9k, rhl, s4hdg,