Description
Fleetguard LF3620 spin-on full-flow lube oil filter for Detroit Diesel Series 50 and Series 60 (11.1L, 12.7L, 14.0L) engines, replacing Detroit Diesel 23530573, 23524251, 23527033, and 25014504. Cellulose media at 99% efficiency at 30 microns on a 1 5/8 -12 UNS-2B mount — the Fleetguard standard service filter for the Series 60 lineup. For StrataPore-media filtration, see the LF3970 upgrade.
Specifications
| Manufacturer | Fleetguard |
|---|---|
| Part Number | LF3620 |
| Part Type | Spin-on full-flow lube oil filter |
| Engine Compatibility | Detroit Diesel Series 50, Series 60 (11.1L / 12.7L / 14.0L) |
| Media | Cellulose |
| Efficiency | 99% at 30 microns |
| Overall Height | 9.82 in (249.4 mm) |
| Largest OD | 4.666 in (118.5 mm) |
| Gasket OD | 4.385 in (111.4 mm) |
| Thread | 1 5/8 -12 UNS-2B |
| Standpipe | No |
Cross References
This part replaces or is equivalent to the following part numbers:
- Detroit Diesel: 23530573, 23524251, 23527033, 23518480, 25014504, 25014505
- Baldwin: B495
- Donaldson: P552100
- WIX: 51971
- NAPA: 1971MP
- Luber-finer: LFP2160
- FRAM: PH7405
- AC Delco: PF2100, PF2100F
Applications
This filter fits the following engines:
- Detroit Diesel Series 60 11.1L (1987–1995)
- Detroit Diesel Series 60 12.7L (1991–2007)
- Detroit Diesel Series 60 14.0L (2001–2007)
- Detroit Diesel Series 50 (8.5L, 1992–2003 transit/coach)
Representative vehicles using these engines:
- Freightliner Classic, Century, Columbia, FLD120 (Detroit Series 60, 1991–2007)
- Kenworth T600, T800, W900 (Detroit Series 60 option, 1991–2007)
- Peterbilt 379, 378, 357 (Detroit Series 60 option, 1991–2007)
- Western Star 4900, 5900 (Detroit Series 60 option)
- Sterling A-Line, L-Line (Detroit Series 60)
- Transit and coach buses with Detroit Series 50 (MCI, Prevost, Orion)
For DD13 / DD15 / DD16 engines (a different Detroit family entirely), use the appropriate post-2007 filter — the LF3620 does not fit DD-series.
Verify your engine serial number and configuration before ordering to confirm fitment.
