DOMETIC Pump Bellows Kit. Pump Bellows Kit replaces worn or damaged bellows in J and S Series vacuum pumps and T Series discharge pumps. Includes bushing and bolt. Features of DOMETIC 385230980 Pump Bellows Kit Replaces worn or damaged bellows Fits J and S Series vacuum pumps and T Series discharge pumps Includes bushing and bolt Made from quality parts Package Contents: DOMETIC 385230980 Pump Bellows Kit DOMETIC 385230980: Pump Bellows Kit