The 420-0652 seal is a Caterpillar cylinder head water seal designed for heavy-duty engine applications. It helps maintain proper sealing around the cylinder head and supports reliable engine operation by preventing unwanted coolant or water leakage in the sealing area. According to Caterpillar’s official parts information, the 420-0652 is specified as a 15.60 mm height cylinder head water seal.

Xiamen Doozer supplies 420-0652 replacement seals for Caterpillar heavy equipment and engine applications. The part is available for various machines and power systems, including Caterpillar D11N, D11R, 6060, 5230B, 5130, 5230, 5130B, 793D, 789D, 785D and 854G, as well as multiple 3508, 3512 and 3516 engine configurations. Compatibility can vary according to machine configuration, so customers should confirm the serial number and application before ordering.

The official Cat specification lists a height of approximately 0.6 inch and a length of approximately 0.7 inch. The listed materials include fluoroelastomer (FKM) rubber and PTFE plastic, providing a suitable material combination for demanding engine sealing applications.

For distributors, repair shops and heavy equipment parts suppliers, the 420-0652 seal is a practical replacement component for engine maintenance and overhaul work. It is also included in certain Cat top-end engine overhaul kits, demonstrating its role as an engine cylinder-head sealing component.

Xiamen Doozer focuses on supplying replacement parts for Caterpillar and other heavy equipment. We can support bulk orders, mixed parts orders and different application requirements. Contact us to confirm 420-0652 availability, compatibility and quotation before purchasing.