Description
Fleetguard LF3681 spin-on full-flow lube oil filter for Ford 4.6L, 5.4L, and 5.8L gas V8 engines (Modular and Triton families). Direct replacement for Motorcraft FL820S, Ford F1AZ6731A, and the Mazda / Land Rover variants of the same filter. M22 x 1.5 thread, 3.85 in length, 95% efficiency at 30 microns. Fleetguard’s upgraded equivalent is LF16002.
Specifications
| Manufacturer | Fleetguard (Cummins Filtration) |
|---|---|
| Part Number | LF3681 |
| Part Type | Spin-On Lube Oil Filter (full-flow) |
| Thread Size | M22 x 1.5-6H INT |
| Length | 3.85 in (98 mm) |
| Seam OD | 3.69 in (94 mm) |
| Gasket OD / ID | 2.83 in / 2.46 in |
| Bypass Valve | 7.98 psi (55 kPa) |
| Anti-Drain-Back Valve | Yes |
| Efficiency | 95% at 30 microns |
| Standpipe | No |
| Upgrade | Fleetguard LF16002 (newer equivalent) |
Cross References
This spin-on lube filter replaces or is equivalent to the following part numbers:
- Motorcraft: FL820, FL820S
- Ford: F1AZ6731A, F1AZ6731BD, 3652061
- Mazda: AJ57-14-302, AJTM-14-302, AJ04-14-302B
- Land Rover: 4137784
- Chrysler / Dodge: 4884899AB, MO899
- Wix: 51372MP
- Baldwin: B329
- Donaldson: P550965
- Alliance: ABPN10GLF3681
Applications
This spin-on lube filter fits the following gasoline V6 / V8 engine platforms:
- Ford 4.6L Modular V8 (1991–2014)
- Ford 5.4L Modular V8 (1997–2014)
- Ford 5.8L V8 (1991–1997)
- Mazda 4.0L (Tribute / pickup applications using Ford lump)
- Land Rover 4.0L V8 / 4.6L V8 (Discovery II, Range Rover P38)
- Chrysler / Dodge applications using the Cummins Filtration replacement
This is the standard Ford gas-V8 oil filter size. It is NOT the correct filter for the Ford 6.0L, 6.4L, 6.7L, or 7.3L Powerstroke diesel engines — those use different Fleetguard / Motorcraft part numbers. Verify your engine before ordering.
