Find the correct Oil, Fuel & Coolant Filters by Engine

Cummins ISX / ISX15 — 15.0L

Baldwin lists these filter combinations for ISX 15.0L, while Donaldson's X15/ISX guide independently lists LF14000NN, FS19764, FF5825NN, FF5686, FF5776 and WF2126 applications.

Common applications: X15 and ISX15 in highway tractors. Fleetguard's maintenance-kit data specifically shows LF14000NN + FS19764 + FF5776 on X15/ISX15 applications from 2014–2018, with other X15 configurations using FF5686 or FF5825NN.

Cummins ISX — 11.9L

Baldwin's application guide distinguishes the ISX 11.9L oil filters by application/emissions configuration, including LF9001, LF9070 and LF14000NN.

Cummins X12 — 11.9L

Baldwin's application guide lists all three combinations for the X12, so the correct filter should be verified by the specific engine/application rather than assuming all X12 engines use the same filter.

Fleetguard's LF14000NN application data also lists X12 installations, including 2020–2021 Freightliner applications.

Cummins ISM — 10.8L

Baldwin's application data specifically lists these ISM combinations.

Cummins ISM / ISL / ISC

These engine-specific combinations are directly listed in Baldwin's current heavy-duty engine application guide.

🔎 Filter by Your Cummins Engine

X15

Common filters include:

Oil: LF14000NN
Primary Fuel: FS19764
Secondary Fuel: FF5686, FF5776 or FF5825NN
Coolant: WF2126 / WF2127 depending on application

Fleetguard's current maintenance-kit information shows multiple X15/ISX15 configurations using different fuel and coolant combinations, reinforcing the need to verify the specific engine/application.

ISX15

Oil: LF14000NN
Fuel: FS19764 + FF5686 / FF5776 / FF5825NN
Coolant: WF2126 or WF2127

ISX 11.9L

Oil: LF9001 / LF9070 / LF14000NN
Fuel: FF5686 / FF5776 / FF5825NN / FS19764
Coolant: WF2126

X12

Oil: LF9009 / LF14001NN / LF14000NN

ISM

Oil: LF9001 / LF9070 / LF14000NN
Fuel: FF63004 / FS19596
Coolant: WF2071

ISL

Oil: LF9009
Fuel: FF63004 / FS19596
Coolant: WF2071

ISC

Oil: LF9009
Fuel: FF5488 / FF5636 / FS19596 / FS1065
Coolant: WF2071

⚠️ Important Fitment Notice

Do not select a filter based solely on the engine family. Cummins filter requirements can change with engine year, emissions configuration, fuel-system configuration, filter housing and ESN.

For example, the X15/ISX15 family has multiple Fleetguard fuel-filter combinations, including FF5686, FF5776 and FF5825NN. Fleetguard's own maintenance kits demonstrate these different configurations.

Always verify the existing filter number, Cummins ESN and application before ordering.

Need help finding your filter?

Send Hawhee Truck Repair your:

• Cummins engine model
• Engine serial number (ESN)
• Current filter number
• Truck year/make/model

We'll help you identify the correct filter.