Description
The Fleetguard LF3333 is a full-flow spin-on lube filter for legacy heavy-duty applications — primarily Detroit Diesel two-stroke 71- and 92-series engines (12V-71, 6V-92, 8V-71 and similar), Caterpillar 3208 V8s, and older GMC industrial / on-highway equipment. Standard 1-1/2–12 UNF mount, no anti-drain-back valve and no standpipe. Direct cross to Baldwin B95, Donaldson P551670, Cat 9Y4472, and Detroit Diesel 25010495.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | LF3333 |
| Part Type | Full-Flow Spin-On Lube Filter |
| Thread Size | 1-1/2–12 UNF-2B |
| Overall Height | 9.82 in (249.43 mm) |
| Largest OD | 4.67 in (118.52 mm) |
| Gasket OD / ID | 4.36 in / 3.86 in |
| Anti-Drain-Back Valve | No |
| Standpipe | No |
| Efficiency | 68% @ 30 microns |
Cross References
This filter replaces or is equivalent to the following part numbers:
- Baldwin: B95
- Donaldson: P551670, P550911, DBL7670 (Donaldson Blue), LFP551670
- Wix: 51970, 51970XD
- Luber-Finer: LFP670, LFP670SB, LFP670SC
- Fram: PH3612
- Motorcraft: FL804, FL804FP
- ACDelco: PF911
- Caterpillar: 773899, 9Y4472
- Detroit Diesel / GMC: 23518524, 23518671, 23530407, 25010495
- Case IH: 545251C1
- Komatsu: 40050800092, 40050800093
Applications
This lube filter fits the following engine families:
- Detroit Diesel 71-series two-stroke (3-71, 4-71, 6-71, 8V-71, 12V-71) (legacy on-highway, industrial, marine)
- Detroit Diesel 92-series two-stroke (6V-92, 8V-92, 12V-92) (1970s–1990s)
- Caterpillar 3208 V8 (8.0L, on-highway, industrial, marine)
- GMC / Detroit Diesel V-series industrial and on-highway engines using the 25010495 service number
Representative trucks and equipment using these engines:
- Older Freightliner FLA, FLB, FLC, FLD with 6V-92 or 8V-92
- Older GMC General, Astro 95, Brigadier with Detroit 71/92 series
- Older Ford LTL-9000, L-9000 with Cat 3208
- Industrial gensets, marine pleasure and commercial craft, fire trucks of the era
The LF3333 is a legacy-spec filter; for newer engines requiring higher efficiency, Cummins Filtration upgrades to LF3380 or LF9333. Verify your engine and oil-housing specs before substituting.









