An AC PF 31 typically refers to a specific type of air conditioning unit designed for residential or commercial use. The "PF" often indicates the model or series, while "31" may denote its capacity or size. To determine the exact fit, it's important to refer to the manufacturer's specifications and ensure compatibility with the intended installation space and cooling requirements.
1988 Cadillac Deville
86 Chevy 350 small block
Lots of Gm 4.3 L V6 s
This is a replacement Oil filter for AC Delco PF-47 used on a variety of GM vehicles. It is a shorter version of the PF-52.
Craftsman lawn tractor with 22hp kohler engine uses a fram pf-53
In a Fram, that would be ph-30. AC-Delco is pf-25. There are many other filters that will fit, but the pf-25 is the most common.
ac pf 13
Standard small block Chevy with the regular oil filter adapter (stock). This is the one quart oil filter.
Fits the same application as an AC Delco PF-25. PF-25 has been discontinued and replaced by PF-454.
FORD
Fram PH-9837
PH9837