

More delivery methods in checkout
Return this item within 7 days of purchase.
Get an immediate answer with AI
AI-generated from the text of manufacturer documentation. To verify or get additional information, please contact customer service.
Keep your Cat engine running clean with this genuine Caterpillar fuel water separator.
Part number 1986378 (also 198-6378), new in packaging.

Made in the USA, easy to install, and high efficiency.


![]()


![]()

4 out of 5