part 20285 O-Ring, Seal Case-70D Cat Pumps code 20285 Details Cat Pumps number20285 DescriptionO-Ring, Seal Case-70D Qty per pump3 Also comes in 30610 Seal kit30799 Seal kit, NBR (STD)32172 Seal kit32936 Seal kit76799 Seal kit, HT (.3000)76826 Seal kit, STHT (.3400) Fits these pumps Cat Pumps 7 Frame 11 5656G156G11856HSG156HSG118576060G160G118530550