Cummins 450ISL - Engine Air Filter Replacement - DIY Save Money!
Save money by replacing the engine air filter yourself! In our case, the air filter for our Cummins 450ISL engine should be replaced every 2 years. The labor cost was $110...so I do it myself in about 20 mins. You want to be sure you replace it even if you are not using the coach as it is a paper filter and thus will degrade. If it gets sucked into your turbo and then into the engine, you are in for a major repair bill! So be sure you replace your air filter!
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