Cat Pumps Acetal Plastic Valve Seat Back-Up Ring for 3535 Model Pumps SKU 48363 $6.50 Quantity discounts available QuantityPrice (0)No Reviews yet This Item - OUT OF STOCK Quantity -+ Add to Cart Details Cat Pumps Acetal Plastic Valve Seat Back-Up Ring for 3535 Model PumpsBrand: Cat PumpsMaterial: Acetal PlasticWorks With: 3520, 3521, 3527, 3535, 3531,... Details Back DetailsCat Pumps Acetal Plastic Valve Seat Back-Up Ring for 3535 Model PumpsBrand: Cat PumpsMaterial: Acetal PlasticWorks With: 3520, 3521, 3527, 3535, 3531, 3537, 3545, 3541, 3560Please refer to the parts list in your pump manual to ensure compatablility. Ratings & ReviewsNo reviews availableBe the first to Write a Review