Diesel Oil Filters

Fleetguard WF2074 DCA4 Coolant Filter

Name: Fleetguard WF2074 DCA4 Coolant Filter
Brand: Diesel Oil Filters
Availability: OutOfStock

Heavy-duty coolant filter designed to provide supplemental coolant additives and cooling system filtration for diesel engine protection.

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Category: Coolant Filters

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Product Compatibility

Compatible with select heavy-duty diesel engine cooling systems using:
ES Compleat coolant technology
Similar coolant systems requiring DCA4 supplemental additives
Commercial truck and fleet diesel applications

Specification	Value
Part Number	WF2074
Filter Type	Coolant Filter
Chemical Additive	DCA4+
Coolant Additive Form	Pellet
Additive Base	DCA4+
Thread Size	11/16-16 UN-2B
Length	5.40 in / 137.21 mm
Largest Outside Diameter	3.67 in / 93.22 mm
Gasket Outside Diameter	2.83 in / 71.88 mm
Gasket Inside Diameter	2.46 in / 62.48 mm
Seam Outside Diameter	3.72 in / 94.49 mm
Brand	Fleetguard

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

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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.