Description
Fleetguard LF691A full-flow spin-on lube oil filter — direct replacement for Caterpillar 1R-1808 and 275-2604 on Cat C-series engines (C10, C12, C15, C16) and the heavy-bore 3406, 3408, 3412, and 3500-series industrial/genset diesels. 12.19 in tall by 5.34 in OD with a 1-1/2″-16 UN-2B thread; built by Cummins Filtration to OE service spec. Cross-references Baldwin B99, Donaldson P167405, and WIX 51791.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | LF691A |
| Part Type | Full-Flow Spin-On Oil Filter |
| Engine Compatibility | Cat C10/C12/C15/C16, 3406, 3408, 3412, 3500-series |
| Length | 12.19 in (309.65 mm) |
| Largest OD | 5.34 in (135.7 mm) |
| Gasket OD / ID | 4.36 in / 3.86 in |
| Thread | 1-1/2″-16 UN-2B |
| Upgrade | LF9691A (StrataPore + Venturi combo) |
Cross References
This oil filter replaces or is equivalent to the following part numbers:
- Caterpillar: 1R-1808, 1R-0716, 275-2604, 1W2660, 2P4005, 7W5497
- Donaldson: P167405, ELF7405, P166175
- Baldwin: B99, B99-MPG, B7299
- Motorcraft: FL326, FL326FP
- Navistar: 3014491C91
- Bosch: 1457434131
- GM: 25014776
- Fleetguard: See upgrade LF3566 and combo LF9691A
Applications
This oil filter fits the following engines:
- Cat C10 / C12 (1999–2007)
- Cat C15 / C16 (1999–2010)
- Cat 3406 / 3406B / 3406C / 3406E (1973–1999)
- Cat 3408 / 3408B / 3408C / 3408E
- Cat 3412 / 3412B / 3412C / 3412E
- Cat 3500-series industrial / marine / genset
Representative equipment using these engines:
- On-highway: Peterbilt 379 / 389, Kenworth W900 / T800, Freightliner Classic / FLD
- Industrial: 988 / 990 / 992 wheel loaders, 657 / 777 haul trucks
- Marine and genset 3406 / 3408 / 3412 / 3500 packages
Confirm your engine S/N range and oil-filter spec before ordering. The combo upgrade LF9691A swaps in the same envelope and adds StrataPore + Venturi media for extended service intervals.
