Curious as to what everyone is using for a service interval on the engine air filter. I know Paccar says change when filter restriction requires it. Thinking about changing mine out. 132K miles on the original, with restriction gauge reading 13 "/h2O
I heard they're a little pricey
MX-13 Engine Air Filter Service Interval
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Evil_E, Jun 9, 2021.