FS19915 Fuel Filter Water Separator, Replaces Baldwin PF9804, Donaldson P551011, Wix 33655, Luber-finer L9915F

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FS19915 fuel water separator, spin-on for Detroit DD13 DD15 DD16. Replaces Baldwin PF9804, Donaldson P551011, WIX 33655. Factory-direct supply.

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Description

The FS19915 fuel water separator is a spin-on fuel filter and water separator cartridge used on Detroit DD13, DD15 and DD16 engines in Freightliner trucks. IXIN Filter manufactures this FS19915 fuel water separator as a factory-direct replacement for the Fleetguard FS19915, giving distributors, fleets and repair shops a dependable option for scheduled fuel filter replacement.

IXIN has produced filters since 2010 and supplies customers in more than 60 countries. Browse our full range of fuel filters for trucks, buses, construction and agricultural machinery.

FS19915 Fuel Water Separator Specifications

Attribute Detail
Product Type Spin-On Fuel / Water Separator Cartridge
Overall Height 193.4 mm (7.61 in)
Overall Outside Diameter 148.01 mm (5.83 in)
End 1 Inside Diameter 26.29 mm (1.04 in)
Replaces Fleetguard FS19915

Thread and gasket details are available on request. Please send us your drawing or sample for confirmation before ordering in bulk.

Compatible Applications

The FS19915 fuel water separator is listed in cross-reference data as the primary fuel and water separator on the Detroit fuel and coolant module. It is used with:

  • Detroit Diesel DD13, DD15 and DD16 engines
  • Freightliner Cascadia, Coronado, 122SD and 114SD trucks (2008 and later)

Fit depends on the engine serial number and fuel module configuration. Please confirm your truck model, year and the OE number of your existing filter before ordering.

FS19915 Cross Reference / Replacement Numbers

The FS19915 fuel water separator is a cross reference to the following part numbers:

Brand / Source Part Number
Fleetguard FS19915
Detroit Diesel A0000903651
Mercedes-Benz A4720921205
Baldwin PF9804
Donaldson P551011 / P550854
WIX 33655
NAPA 3655
Carquest 86655
Luber-finer L9915F

OE and aftermarket part numbers are listed for reference only. All brand names belong to their respective owners, and IXIN is not affiliated with them. Always confirm fit against your engine before ordering.

Why a Fuel Water Separator Matters

Water and dirt in diesel fuel can damage injectors and high-pressure fuel pumps. A fuel water separator removes free water and fine contaminants before the fuel reaches the engine. Regular replacement helps prevent hard starting, power loss and costly injector repairs, especially on long-haul trucks that refuel from different sources.

Why Choose IXIN’s FS19915 Fuel Water Separator

  • Factory-Direct Supply: IXIN manufactures filters in its own factory in Linxi County, Hebei. You deal with the manufacturer, not a trading company.
  • Wide Cross-Brand Coverage: One FS19915 fuel water separator replaces many brand numbers, which helps distributors simplify inventory across Detroit Diesel, Baldwin and Donaldson references.
  • Spin-On Design: The self-contained spin-on body is replaced as one unit, so service is quick and clean.
  • Customization Available: We support customization of filter paper quality, metal thickness and packaging for your market.
  • Fast Delivery: In-stock items usually ship in 5 to 10 days. Made-to-order items take 15 to 45 days, depending on quantity.

To avoid cross-reference mistakes, read our fuel filter cross reference guide before placing a bulk order.

Installation and Maintenance Notes

  1. Switch off the engine and let it cool. Close the fuel shutoff valve if fitted.
  2. Place a drain pan under the filter, and drain the water from the separator if a drain is fitted.
  3. Remove the old filter with a filter wrench, following the engine manufacturer’s procedure.
  4. Check that the old gasket came off with the filter. A leftover gasket can cause leaks.
  5. Clean the mounting surface, and lightly oil the gasket of the new FS19915 fuel water separator.
  6. Spin the new filter on by hand until the gasket touches, then tighten as specified by the engine manufacturer.
  7. Prime the fuel system according to the engine manual, start the engine, and check for leaks.
  8. Replace the filter at the interval recommended by the engine maker, and sooner when using poor-quality fuel.

FAQ

Q: Which part numbers does the FS19915 fuel water separator replace?
A: It is a cross reference to Fleetguard FS19915, Detroit Diesel A0000903651, Baldwin PF9804, Donaldson P551011, WIX 33655, Luber-finer L9915F and others listed above. Confirm dimensions before bulk orders.

Q: Which engines and trucks does the FS19915 fit?
A: It is listed for Detroit DD13, DD15 and DD16 engines in Freightliner Cascadia, Coronado, 122SD and 114SD trucks from 2008. Fit depends on your engine serial number and fuel module, so send us your OE number, truck model or a photo of the old filter, and we will help confirm.

Q: Is the FS19915 a spin-on filter?
A: Yes, it is a spin-on cartridge style fuel water separator that is replaced as one unit.

Q: Can I order with custom packaging or private label?
A: We support customized packaging, filter paper quality and metal thickness. Contact our sales team with your requirements.

Q: What are the MOQ and lead time?
A: In-stock goods generally ship in 5 to 10 days, and made-to-order items take 15 to 45 days. Get in touch with us for MOQ on the FS19915 fuel water separator.

Need the FS19915 fuel water separator or other heavy-duty fuel filters? Send us the OE number, and we will reply with specifications and a quotation.
Email: sales@ixinfilters.com | WhatsApp: +86 18833443345 | Get a quote