Fleetguard FS19764 Fuel Water Separator 6-Pack OEM Cummins ISX Davco

Fleetguard FS19764 Diesel Fuel Water Separator | Advanced Filtration for Cummins and Caterpillar Engines Fleetguard

Fleetguard FS19764 Fuel Water Separator 6-Pack — Genuine OEM for Cummins ISX, Caterpillar C-Series & Davco Fuel Pro Systems

The Fleetguard FS19764 6-Pack is a case of six genuine Cummins Filtration EleMax plus-size fuel/water separator cartridges designed for Davco Fuel Pro 230 and Industrial Pro 234 housings. Buying a 6-Pack covers approximately a full year of service intervals for a single truck or a single service cycle for a small fleet. Each cartridge uses advanced StrataPore synthetic multi-layer coalescing media rated at 10 microns to deliver 98.7% particulate filtration efficiency and 95% water separation — protecting your high-pressure common-rail injectors from both contamination and water damage.

Unlike standard fuel filters, the FS19764 is a dedicated fuel/water separator that actively removes emulsified and free water from diesel fuel. Water in diesel causes injector corrosion, tip erosion, and premature fuel system failure ($5,000-$15,000+ in repairs on ISX engines). The FS19764's patented control valve ensures full use of the filter media, providing maximum contaminant-holding capacity and extended service life. Fully biodiesel compatible for modern fuel blends.

This 6-Pack is the smart choice for fleet managers, owner-operators, and diesel shops who want to stock up, save per-filter, and maintain uninterrupted maintenance schedules across their Freightliner, Kenworth, Peterbilt, International, Western Star, and Volvo trucks.

Technical Specifications

Specification	Value
Part Number	FS19764
Brand	Fleetguard (Cummins Filtration)
Filter Type	Fuel/Water Separator Cartridge (Plus Size EleMax)
Media Type	StrataPore Synthetic Multi-Layer Coalescing
Micron Rating	10 Microns (SAE J 1985)
Particulate Filtration Efficiency	98.7% (TWA by SAE J 1985)
Emulsified Water Separation	95%
Free Water Separation	95%
Overall Height	178.79 mm (7.039 in)
Largest Outside Diameter	106.93 mm (4.21 in)
End 1 Inside Diameter	16.76 mm (0.66 in)
Housing Compatibility	Davco Fuel Pro 230 Series, Industrial Pro 234
Special Features	Patented Control Valve, Biodiesel Compatible
Quantity	6 Filters Per Box

Compatible Engines

Engine Brand	Engine Models	Application
Cummins	ISX12, ISX15, X12, X15, ISM, ISL, QSM12, QSX15, ISXE5	Class 8 On-Highway, Industrial
Caterpillar	C11, C13, C15	Class 8 On-Highway, Vocational
Volvo	D11, D13, D16	Class 8 On-Highway
Mack	MP7, MP8	Class 8 On-Highway
Detroit Diesel	Series 60, DD13, DD15 (with Davco retrofit)	Class 8 On-Highway
International / Navistar	MaxxForce 13, MaxxForce 15	Class 8 On-Highway

Compatible Trucks & Equipment

Truck Brand	Models
Freightliner	Cascadia, Coronado, Argosy, M2, CC122, CC132
Kenworth	T680, T800, T880, W900, C500, C550
Peterbilt	367, 384, 386, 387, 388, 389, 579, 587
International / Navistar	ProStar, LoneStar, PayStar 5900i, 9900i, HX620
Western Star	4700, 4800, 4900, 6900
Volvo	VNL, VNR Series
Spartan Motors	Various chassis

Note: The FS19764 is a CARTRIDGE filter designed for Davco Fuel Pro 230 and Industrial Pro 234 housings. Confirm your Davco housing model before ordering. Smaller Fuel Pro housings use the FS19727 (standard size). The FS19764 is the plus-size version with extended service capacity.

Cross-Reference Part Numbers

Cross-Reference	Brand
P550849	Donaldson
P550850	Donaldson
P179960	Donaldson
PF9814	Baldwin
PF7928	Baldwin
33964	Wix
33763	Wix
3964	NAPA
3763	NAPA
L9763FXL	Luber-Finer
86964	Carquest
CS11023	Fram
102526	Davco
102527	Davco
382140	Davco
382146	Davco
5580012785	Atlas
5580007857	Atlas Copco
4669642	Hitachi
FS550849	VMC
FS550852	VMC
SK48635	—

When to Replace

Replace the FS19764 at each scheduled service interval or when you observe reduced fuel pressure, extended cranking on start-up, loss of power under load, or fuel-restriction fault codes. The plus-size design provides increased contaminant-holding capacity for extended service intervals compared to the standard FS19727.

What's Included

6x Fleetguard FS19764 Fuel Water Separator Cartridges with O-Rings — packed in one factory-sealed Fleetguard box. Each cartridge is individually sealed. You receive a full case of 6 genuine Fleetguard separators, not aftermarket or repackaged units.

Why Choose Genuine Fleetguard?

Fleetguard is the filtration division of Cummins Inc. The FS19764 is engineered, tested, and approved by the same company that builds your ISX engine. Aftermarket water separators may physically fit your Davco housing but often use inferior coalescing media that allows water to pass through to your injectors. Water in diesel fuel causes injector tip erosion, nozzle corrosion, and catastrophic fuel system failure — repairs that cost $5,000-$15,000+ on Cummins ISX engines. Genuine Fleetguard provides the insurance your fuel system needs.

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