4X LF3970 Oil Filter For Fleetguard Cummins ISB QSB 5.9L 6.7L Diesel Engine
4X LF3970 Oil Filter For Fleetguard Cummins ISB QSB 5.9L 6.7L Diesel Engine
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Oil Filter for Fleetguard and Cummins ISB QSB 5.9L 6.7L Diesel Engine
This oil filter for Fleetguard and Cummins diesel engines replaces OEM part number LF3970 and provides high-efficiency filtration for ISB, QSB 5.9L and 6.7L applications.
Overview
This heavy-duty oil filter is engineered for Fleetguard and Cummins ISB, QSB 5.9L and 6.7L diesel engines, delivering dependable contaminant removal to protect vital engine components. The oil filter media traps soot, dirt, and metal particles, extending engine life and maintaining consistent oil pressure. Designed for operators who demand reliable filtration in medium-duty truck, bus, and off-highway equipment applications.
Built For Performance
- High-efficiency filter media captures particles as small as 20 microns
- Anti-drainback valve prevents dry starts by keeping oil in the filter
- Heavy-gauge steel canister resists pressure spikes and punctures
- Corrosion-resistant exterior coating for long service life
- Precision-cut threads ensure a secure, leak-free seal
Fits These Machines
- for Cummins ISB 5.9L diesel engine
- for Cummins ISB 6.7L diesel engine
- for Cummins QSB 5.9L diesel engine
- for Cummins QSB 6.7L diesel engine
On-The-Job Use
- Over-the-road medium-duty trucks
- School and transit buses
- Agricultural tractors and harvesters
- Construction equipment such as excavators and loaders
- Marine propulsion and generator sets
Specs At A Glance
| Part Number(s) | LF3970 |
| Filter Type | Spin-On |
| Thread Size | M36 x 2.0 |
| Height | 6.7 in |
| Outer Diameter | 3.7 in |
| Filtration Rating | 20 microns |
| Anti-Drainback Valve | Yes |
Good To Know
Q: How often should I change this oil filter? A: Replace the oil filter at every oil change interval recommended by the engine manufacturer, typically every 15,000 to 25,000 miles for Cummins ISB/QSB engines.
Q: Does this oil filter come with the necessary gasket or O-ring? A: Yes, each filter includes a pre-installed sealing gasket, and no additional O-rings are required for installation.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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