Description
Replacment check valve + o-ring kit for Cat Pumps pump models 6DX35GG1, 6DX40GG1, 6DX35GG1I, 6DX40GG1I, 66DX30G1I, 66DX35G1I and 66DX40G1I.
Requires 2 kits to completely service a pump.
Free Shipping in 48 States on orders over $100
excludes hoses, freight & oversize items
Replacment check valve + o-ring kit for Cat Pumps pump models 6DX35GG1, 6DX40GG1, 6DX35GG1I, 6DX40GG1I, 66DX30G1I, 66DX35G1I and 66DX40G1I.
Requires 2 kits to completely service a pump.
See which replacement parts we carry fit models from other brands in our Known Fitment Information .
Only models we’ve verified appear there—if your unit isn’t listed, it may still be compatible. Ask us below if you’re unsure.