Fleetguard FS19765 Fuel Water Separator 6-Pack OEM Cummins Volvo Davco

Fleetguard FS19765 Fuel Water Separator 6-Pack — Genuine OEM for Cummins ISX, Volvo D11/D13/D16, Mack MP7/MP8 & PACCAR MX Diesel Engines

The Fleetguard FS19765 6-Pack is a case of six genuine Cummins Filtration EleMax plus-size fuel/water separator cartridges rated at 25 microns. Engineered for Davco Fuel Pro 230 (FH230) and Industrial Pro 234 (FH234) housings, this filter provides 98.7% particulate filtration efficiency and 95% water separation — protecting your high-pressure common-rail injectors from both contamination and water damage.

Unlike the FS19764 (10 micron), the FS19765 operates at 25 microns, making it the correct choice for 1998-2002 Cummins ISX applications and the factory-standard fuel water separator for Volvo and Mack trucks. The FS19765 directly replaces Volvo OEM part numbers 85120233, 21737499, and 21737481, as well as PACCAR 382951PAC25 for Kenworth and Peterbilt trucks with PACCAR MX engines.

Buying a 6-Pack means you have a full year of service intervals covered for a single truck, or one service cycle for a small fleet. Each cartridge uses advanced StrataPore synthetic multi-layer coalescing media to actively remove emulsified and free water from diesel fuel. Trusted by fleet managers, owner-operators, and diesel shops across North America for Freightliner, Kenworth, Peterbilt, Volvo, Mack, and International trucks.

Technical Specifications

Specification	Value
Part Number	FS19765
Brand	Fleetguard (Cummins Filtration)
Filter Type	Fuel/Water Separator Cartridge (Plus Size EleMax)
Media Type	StrataPore Synthetic Multi-Layer Coalescing
Micron Rating	25 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 2 Outside Diameter	106.93 mm (4.21 in)
End 1 Inside Diameter	16.76 mm (0.66 in)
Housing Compatibility	Davco Fuel Pro 230 (FH230), Industrial Pro 234 (FH234)
Davco Part Number	102528
Product Note	Plus size version of FS19728 for extended service intervals
Quantity	6 Filters Per Box

Compatible Engines

Engine Brand	Engine Models	Notes
Cummins	ISX (1998-10/2002), ISM, ISL, ISC, QSC, QSL, QSB	25-micron primary element for pre-2002 ISX
Volvo	D11, D13, D16	Replaces Volvo OEM 85120233, 21737499, 21737481
Mack	MP7, MP8, MP10, E7	Factory fuel water separator for Mack trucks
PACCAR	MX (EPA 13), MX-13	Replaces PACCAR 382951PAC25
Caterpillar	C11, C13, C15 (with Davco retrofit)	Verify Davco housing model
Detroit Diesel	DD13, DD15, Series 60 (with Davco retrofit)	Verify Davco housing model
International	MaxxForce 13, MaxxForce 15	Verify Davco housing model

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
Volvo	VNL, VNR, VHD Series
Mack	Anthem, Pinnacle, Granite, LR
International / Navistar	ProStar, LoneStar, PayStar 5900i, 9900i, HX620
Western Star	4700, 4800, 4900, 6900

Also used in agriculture and construction equipment: Case IH, New Holland, John Deere (with Cummins diesel engines and Davco 102528 housings).

Important: The FS19765 is a CARTRIDGE filter for Davco 102528 housings. It is the 25-micron version. If your Davco housing uses 102527, you need the FS19764 (10 micron) instead. Confirm your Davco housing part number before ordering.

Cross-Reference Part Numbers

Cross-Reference	Brand
PF7930	Baldwin
P550851	Donaldson
WF10005	Wix
L9765FXL	Luber-Finer
3968188	Cummins
85120233	Volvo
21737499	Volvo
21737481	Volvo
382951PAC25	PACCAR
102528	Davco
CS9461	Fram
BF9886-D	Baldwin (alternate)

FS19765 vs FS19764 — Which One Do You Need?

Feature	FS19764 (You Also Sell This)	FS19765 (This Product)
Micron Rating	10 micron (finer)	25 micron (coarser)
Davco Housing	102527	102528
Best For	2010+ ISX, ISM, M11, N14	1998-2002 ISX, Volvo D13, Mack MP8, PACCAR MX
Baldwin Equiv.	PF9814	PF7930
Donaldson Equiv.	P550849	P550851

Both are EleMax plus-size cartridges with the same physical dimensions (178.79 mm height, 106.93 mm OD). They are physically interchangeable but have different micron ratings. Always match the filter to your Davco housing number.

When to Replace

Replace 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 EleMax design provides increased contaminant-holding capacity for extended service intervals compared to the standard FS19728.

What's Included

6x Fleetguard FS19765 Fuel Water Separator Cartridges with O-Rings — packed in one factory-sealed Fleetguard box. Each cartridge is individually sealed. All items are genuine Fleetguard, not aftermarket or repackaged units.

Why Choose Genuine Fleetguard?

Fleetguard is the filtration division of Cummins Inc. The FS19765 is engineered, tested, and approved by the same company that builds the ISX engine and supplies OEM filtration to Volvo and Mack. 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 costing $5,000-$15,000+ on heavy-duty diesel engines. Genuine Fleetguard provides the insurance your fuel system needs.

Shipping Policy

Please carefully review our Shipping Policy when purchasing our products, as it applies to any order you place with us.

WHAT ARE MY SHIPPING & DELIVERY OPTIONS?

Logistics: UPS, USPS, DHL.

We offer free shipping across the USA.

All delivery times and dates provided are estimates and given in good faith.

For EU and UK consumers: This does not affect your statutory rights. Unless specifically noted, estimated delivery times reflect the earliest available delivery, and items will be delivered within 30 days after we accept your order. For more information, please refer to our Terms.

ORDER PROCESSING TIME

Processing Time: 1-2 Days
Shipping Time: 3-7 Days

DO YOU DELIVER INTERNATIONALLY?

Yes, we ship worldwide.

Note:
International deliveries may be subject to various rules and restrictions, and you may incur additional taxes and duties beyond our control. You are responsible for complying with the laws of your country and for any associated costs.

WHAT HAPPENS IF MY ORDER IS DELAYED?

If your delivery is delayed, we will inform you as soon as possible and provide a revised estimated delivery date.

For EU and UK consumers: This does not affect your statutory rights. For more information, please refer to our Terms.

QUESTIONS ABOUT RETURNS?

If you have questions about returns, please review our Return Policy.

COVID-19 STATEMENT & SHIPPING DELAYS

Please be aware that there may be shipping delays due to ongoing COVID-19 impacts. Limited transportation availability may extend delivery times. Our team is doing our best to provide accurate timelines, but the global supply chain is unpredictable, and delays may occur. We appreciate your patience and understanding during this time and are happy to assist with any questions or concerns regarding your orders.

HOW CAN YOU CONTACT US ABOUT THIS POLICY?

If you have any further questions or comments, please contact us at our Support Center.

Thank you for choosing PEAK PERFORMANCE Filters. We hope you are satisfied with your order. However, if you are not completely happy due to any damaged or missing parts, you may return the item for a refund or replacement. Please see below for more information on our return policy.

RETURNS

To be eligible for a refund, you must return the product within 14 calendar days of your purchase. The item must be in the same condition you received it and undamaged. All orders are final; we do not accept returns or exchanges unless the items received are damaged or missing.

We are not liable for any consequences arising from customers purchasing products from us and subsequently selling them on third-party platforms (Amazon, eBay, Walmart, etc.). Any actions taken by these platforms, including listing deactivation or account suspension, are beyond our control. Customers engaging in such activities do so at their own risk and should adhere to the policies and guidelines of those platforms.

RETURN PROCESS

To return an item, please contact customer service to request a refund or replacement with proof of damage or missing parts (such as videos or pictures). Once your claim is verified, contact support to obtain a return address. Securely package the item in its original packaging and include your proof of purchase (Order Invoice). When a return is authorized, PEAK PERFORMANCE Filters will proceed with the refund or replacement.

In some cases, your return shipment may be free of charge. If you return an item for a reason not related to our error, the parcel will be sent back to your original address, and no refund will be initiated.

REFUNDS

After we receive your return and inspect the item, we will process your refund or exchange. Please allow at least 14 days from the receipt of your item for processing. Refunds may take 1-2 billing cycles to appear on your credit card statement, depending on your card issuer. We will notify you via email when your return has been processed.

EXCEPTIONS

The following items cannot be returned or exchanged:

Perishable items
Intimates
Gift cards
Custom items
Digital products

For defective or damaged products, please contact us using the details below to arrange a refund or exchange.

QUESTIONS

If you have any questions regarding our return policy, please contact us at our Support Center.

peakperformancefilters@gmail.com

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WHAT HAPPENS IF MY ORDER IS DELAYED?

QUESTIONS ABOUT RETURNS?

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RETURNS

RETURN PROCESS

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EXCEPTIONS

QUESTIONS

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WHAT ARE MY SHIPPING & DELIVERY OPTIONS?

ORDER PROCESSING TIME

DO YOU DELIVER INTERNATIONALLY?

WHAT HAPPENS IF MY ORDER IS DELAYED?

QUESTIONS ABOUT RETURNS?

COVID-19 STATEMENT & SHIPPING DELAYS

HOW CAN YOU CONTACT US ABOUT THIS POLICY?

RETURNS

RETURN PROCESS

REFUNDS

EXCEPTIONS

QUESTIONS

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