part 06.0758 O-Ring Speck code 06.0758 Details Speck number06.0758 DescriptionO-Ring Qty per pump6 Also comes in 14.0782 Valve repair kit Fits these pumps Speck NP10 5 NP10/1-170NP10/2-170NP10/3-170NP10/4-150NP10/7-150