Large gasket OD variation · Large gasket ID variation
Thread unknown on one or both filters
63.2
score
RISKYFleetguard LF777 Oil Filter Cross Reference
Use this page to compare the Fleetguard LF777 with potentially compatible oil filters from other brands. Review thread size, gasket dimensions, overall height, and fitment notes before substituting. A cross reference is a research tool, not an automatic guarantee of fitment.
Before substituting: verify filter style, thread size or cartridge dimensions, gasket dimensions, height, clearance, bypass behavior, and application-specific requirements.
Also searched as
- Fleetguard LF777 cross reference
- LF777 cross reference
- LF777 oil filter cross reference
- Fleetguard LF777 replacement
Best equivalent matches
Select up to 4 filters, then click Compare to view their specs next to the searched filter.
6 compatible options
| Specification | Searched filter Fleetguard LF777 Reference filter | Fleetguard LF3603Best Match Score: 66.5 RISKY Large gasket OD variation · Large gasket ID variation | Score: 66 RISKY Large gasket OD variation · Large gasket ID variation | Score: 63.2 RISKY Large gasket OD variation · Large gasket ID variation | Score: 63.2 RISKY Large gasket OD variation · Large gasket ID variation |
|---|---|---|---|---|---|
| Thread size | 13/8-16UNS-2B | 13/8-16UN-2B | 13/8-16 | 13/8-16 | 13/8-16 |
| Gasket OD | 110.24 mm | 109.73 mm | 110.6 mm | 109.7 mm | 109.7 mm |
| Gasket ID | 98.17 mm | 100.33 mm | 97.92 mm | 97.03 mm | 97.03 mm |
| Can OD | 116 mm | 118 mm | 119.8 mm | 118.3 mm | 118.4 mm |
| Height | 249 mm | 248 mm | 250.8 mm | 248.3 mm | 247.6 mm |
| Internal bypass valve | No | No | Yes | Yes | Yes |
| Bypass PSID | Unknown | Unknown | 13 - 19 | 13 - 19 | 12 - 15 |
| Anti-drainback valve | No | No | Yes | Yes | Yes |
| ID top | Unknown | Unknown | Unknown | Unknown | Unknown |
| ID bottom | Unknown | Unknown | Unknown | Unknown | Unknown |
Other suitable matches
Large gasket OD variation · Large gasket ID variation
Thread unknown on one or both filters
Related compatible filter pages
Frequently asked questions
What replaces Fleetguard LF777?
Several oil filter alternatives may be compatible with Fleetguard LF777, but you should always verify thread dimensions, gasket sealing dimensions, bypass behavior, anti-drainback valve requirements, and installation clearance before substituting.
How do I confirm a cross reference for Fleetguard LF777?
Compare thread size, thread pitch, gasket outside diameter, gasket inside diameter, can height, bypass pressure range, and anti-drainback valve requirements before using a substitute.
Can I use a different-size oil filter instead of Fleetguard LF777?
Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.