Thames Diesel merged with DESAB of Sweden in August 2001 and has since become a leading supplier of high-quality replacement parts for B&W 23 series engines.
We’ve made significant investments in stock to ensure short lead times and reliable availability. Our range includes cylinder heads, liners, pistons, valves and thousands of essential consumables, with new items continually added to our inventory.
We supply parts to suit the following models:
All parts are guaranteed for quality and compatibility. Please note that any plate part numbers or item numbers used by Thames Diesel are provided for reference only and do not imply origin.
To browse a summary of available part numbers by section, [follow this link] or use the search bar in the header or footer to check if the part you need is in stock.

