Autoverse Engineered is our quality aftermarket version of the Caterpillar® 326-1644 (also: 3261644) advanced-efficiency fuel/water separator. Manufactured to meet or exceed OEM specifications and offered at a significantly lower cost than the genuine part. Eliminates virtually all free water and around 90% of emulsified water plus fine contaminants, protecting the secondary filter and injectors.
Key details
- Autoverse Engineered aftermarket equivalent of CAT® 326-1644 (also: 3261644)
- Part number: 326-1644 (also: 3261644)
- Backed by a 6-month Autoverse warranty
- Advanced-efficiency separating media
- Acrylic-bead and spiral-roving pleat construction
- Nylon centre tube to prevent metal contamination
Excavator fitment
Fitted to Caterpillar® 315, 320, 325, 329 and 336 excavators (and other 3176/C7/C9-powered machines).
Cross-references include Fleetguard FS19820 and Wix 33787.
Caterpillar®, CAT® and associated model names are registered trademarks of Caterpillar Inc. Autoverse is an independent parts supplier and is not an authorized Caterpillar dealer. Excavator fitment varies by engine serial-number prefix — always confirm fitment by your machine serial number or engine model before ordering.

