product guide   p20-hd descrjptions: full-flow lube element notes: to convert to spin-on, use ob1303 base and b95 filter. for copper bolt seal, use es1071. fits: allis chalmers, case, clark, euclid, gardner denver, gradall, terex equipment; detroit diesel engines; ihc, iveco, kenworth, mack trucks replaces: gmc 5573013, 25013194 o.d.: i.d.: 1 1/2 (38.1) length: 9 1/16 (230.2) f. gskt.: g115-msb, g143a, es1032 o. gskt.: g143, g280, g336, g340 end seals: [2] attached related to: pt385, pt385-e (transmission versions) upc: 791440000261