part 17784 O-Ring, V-Packing Spacer-80D Cat Pumps code 17784 Details Cat Pumps number17784 DescriptionO-Ring, V-Packing Spacer-80D Qty per pump6 Also comes in 31934 Seal kit, NBR (STD)32541 Seal kit, NBR (STD)32542 Seal kit, NBR (STD)33234 Seal kit, NBR (STD)76209 Seal kit, STHT (.3400) Fits these pumps Cat Pumps 35 Frame 4 3541DHS35453545HS3547HS Cat Pumps 36 Frame 2 3641X3642X Cat Pumps 38 Frame block-style 1 3841HS