gmbelt Posted June 26, 2009 Share Posted June 26, 2009 Firemack:According to my mechanic, the NAPA 1503 oil filter I purchased for my Mack 707C engine won't fit. The mechanic tells me it is too small and the Napa 1503 won't slide up on the "shaft" because the center hole in the filter is too small. I know the NAPA 1503 is about 1/2" smaller in OD, but how do I get it to go on the shaft?Many thanks,GaryManassas, VA Quote Link to comment Share on other sites More sharing options...
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