Fleetguard LF3970 Lube Filter, Full-Flow Spin-On, StrataPore, Cummins ISB/QSB
Mfr #: LF3970BB #: fleetguard-lf3970-fleetguard-lf3970-lube-filter-full-flow-spin-on-stUPC: 638217116858
Last verified Oct 2, 2026 — price check expired
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🗎 Product description from the manufacturer spec sheet
The Fleetguard LF3970 is a spin-on full-flow lube oil filter with StrataPore multi-layer media delivering 98.7% efficiency at 30 microns. It is the no-bypass-valve version of the Cummins B-series filter, for Cummins ISB 5.9L and 6.7L, QSB 5.9L and 6.7L, and B-series industrial engines. Thread 1 1/8-16 UN-2B; replaces Cummins 3937144, 3937736 and 5404947.
▦ Specifications spec-checked before it ships
Gasket
- Gasket OD
- 2.83 in
- Gasket ID
- 2.46 in
More specifications
- Filter Type
- Spin-On Full-Flow Lube Filter
- Media
- StrataPore Multi-Layer
- Efficiency
- 98.7% at 30 microns
- Thread Size
- 1 1/8-16 UN-2B
- Bypass Valve
- None (0 PSI)
- Standpipe
- No
- Overall Height
- 6.96 in
- Largest OD
- 3.68 in
- Primary Applications
- Cummins ISB 5.9L/6.7L, QSB 5.9L/6.7L, B-Series
⌗ Cross-references every known SKU, MFR & MPN
MPNLF3970
UPC638217116858