TRW JTE7007
CP508-B01-R1
Sch 80 and Sch 40 have different inside/outside diameters for each unit size
AutoZone 80018
Hex: 5" + 5-1/8"
Caterpillar 131-8902 CAT 1318902 Genuine OEM 3508 312D2 Engine Air Filter Sun TRW JTE7007Caterpillar 131 8902 CAT 1318902 Genuine OEM Engine Air Filter Efficiency Rating: Standard Efficiency Seal Type: Radial Seal Type: Primary Manufacturer: Caterpillar CAT Model Number: CAT 1318902 Part Number: 131 8902 Also Known As: WIX 46562, 93326E, WA6462 For use with: GENERATOR SET 3508 EXCAVATOR 312D2, 312D2 GC, 311D LRR, 313D2 LGP, 312B L, 312D2 L, 312D L, 312C L, 313D2 GC, 316 GC, 313D2, 314D LCR, 314D CR, 314C, 312B, 311B, 312C, 313D2 GC, 313D,