Showing results for c 12 cat fuel filter housing.No results found for c 12 cat fuel filter hosing. Where do you check fuel pressure on a c12 cat? - JustAnswer where do you check fuel pressure on a c12 cat? Submitted: 8 years ago I have a manual guage hooked in line between the filter housing and computer cooler is that a good spot? 98 ford tandem dump c12 quit running goin down the road manuel pump on front of motor has pressure to block where the fuel filter is there is a 3 wire brass deal Caterpillar C12 Fuel Filter Base/Housing For Sale (USED) CAT C12 Part#: 145-1770 Ref# 145-1770 CAT C12 FUEL FILTER BASE CAST# 145-1770. Located in Iowa, US. CAT 3208 Fuel Filter With Glass Housing, Filter Base And Aluminium Clamp Along. Call for price. CAT 3208 FUEL FILTER WITH GLASS HOUSING, FILTER BASE AND ALUMINIUM CLAMP ALONG WITH A WASHABLE SPONGE FILTER. Located in Arizona, US.