A-WF2131-AI Filter, Water, Spin-On (QTY 1)

One New Aftermarket Replacement Spin-On Water Filter for Cummins, Fits Case, and Fits Caterpillar Diesel Engines

This spin-on water filter is a direct replacement for Fleetguard (Cummins Filtration) part number WF2131. It installs in the engine cooling system and delivers coolant additive (DCA2+) in tablet form to protect against cavitation, corrosion, and scale buildup in diesel engine cooling systems. Not recommended for use on Cummins spark-ignited gas engines.

Specifications

• Overall Height: 137.92 mm (5.43 in)
• Largest O.D.: 93.73 mm (3.69 in)
• Seam O.D.: 93.78 mm (3.692 in)
• Gasket O.D.: 72.39 mm (2.85 in)
• Gasket Inside Diameter: 62.74 mm (2.47 in)
• Thread Size: 11/16-16 UN-2B
• Chemical Additive: DCA2+
• Coolant Additive Form: Tablet

Compatible Equipment

This filter is widely used across heavy-duty diesel applications including equipment from Cummins, Fits Case, and Fits Caterpillar (Fits CAT). Commonly found on diesel-powered trucks, agricultural equipment, and construction machinery equipped with compatible Cummins-sourced cooling filter systems. Verify fitment against your equipment's coolant filter thread size and DCA specification before ordering.

Replaces Part Number(s):

WF2131, Cummins 4920069

Aftermarket Interchange Numbers

Baldwin BW5200, Big A 96088, Carquest 89088, Hastings WC22, Kralinator C88, Fits Napa 4088, Nalco Chemical NR2088, Ondeo-Nalco BARS 3510, Wix 24088

New aftermarket replacement part - not remanufactured, not used.