Diesel Oil Filters

Fleetguard WF2126 DCA4 Coolant Filter

Name: Fleetguard WF2126 DCA4 Coolant Filter
Brand: Diesel Oil Filters
Price: 89.95 USD
Availability: OutOfStock

Heavy-duty coolant filter designed to provide supplemental coolant additives while helping
protect diesel engine cooling systems from contamination and corrosion.

SKU:

Category: Coolant Filters

$89.95 USD

Sale Sold out

Product Compatibility

Compatible with select heavy-duty diesel engine cooling systems using:
ES Compleat coolant technology
Similar supplemental coolant additive systems

Specification	Value
Part Number	WF2126
Filter Type	Coolant Filter
Chemical Additive	DCA4+
Coolant Additive Form	Tablet
Additive Base	Borate Nitrite
Thread Size	M36 X 2-6G INT
Largest Outside Diameter	3.77 in / 95.76 mm
Seam Outside Diameter	3.62 in / 91.95 mm
Length	5.76 in / 146.30 mm
Gasket Outside Diameter	3.77 in / 95.76 mm
Gasket Inside Diameter	3.18 in / 80.87 mm
Brand	Fleetguard

Provides supplemental coolant additives (SCAs)
Helps reduce corrosion and scale buildup
Supports cooling system filtration and protection
DCA4+ chemical additive technology
Designed for heavy-duty diesel applications
Helps maintain coolant system performance and reliability

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Frequently Asked Questions

Everything you need to know before ordering.

Most diesel engines require oil filter replacement during every scheduled oil change. Always follow the manufacturer's maintenance recommendations.

Fuel filter replacement intervals vary by engine and operating conditions, but many diesel engines require replacement every 10,000–30,000 miles.

You can search by part number, OEM number, engine model, or manufacturer cross-reference. If you're unsure, contact us and we'll help identify the correct filter.

Many diesel engines use a primary and secondary fuel filter system to remove contaminants and protect sensitive fuel injection components.

Yes. Many oil, fuel, air, and coolant filters have equivalent replacements across multiple manufacturers.

Most in-stock orders are processed within one business day and shipped from our warehouse.