Donaldson P502489 Fuel Water Separator Filter (Heater Unit)

The Donaldson P502489 is a fuel water separator filter used with a fuel heater unit, the system that warms diesel to keep it from gelling in cold weather.

Heater units are common on trucks that work through northern winters. Match the P502489 number on your current filter or heater housing before you order.

Donaldson P502489 Fuel Water Separator Filter Specifications

• Donaldson part number: P502489
• Style: fuel water separator (heater unit)

Common Uses for the Donaldson P502489

• Removing water from diesel before it reaches injectors
• Scheduled service on hydrovac, jetter and combo truck chassis

How to Choose the Right Donaldson Fuel Water Separator

• Use the cross-reference list when your old filter is another brand
• Call with your truck and engine model for a full service set

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Donaldson P502489 Fuel Water Separator Filter FAQ

Is the Donaldson P502489 a genuine Donaldson filter?

Yes. It is a genuine Donaldson part. Send us the number on your old filter and we will confirm the match before it ships.

How do I know this Donaldson filter fits my truck?

Match the Donaldson part number on your old filter or in your engine or truck service manual. The cross-references on this page help if your old filter is another brand.

Can you put together a full service set?

Yes. Call 402-237-1914 with your truck and engine model and we will help you collect every filter you need.

Not sure which one fits your truck? Call 402-237-1914 (Mon to Fri, 7AM to 4PM) and talk to someone who has run the equipment.

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