Large gasket OD variation · Large gasket ID variation
Thread unknown on one or both filters
Fleetguard LF3643 Oil Filter Cross Reference
Use this page to compare the Fleetguard LF3643 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 LF3643 cross reference
- LF3643 cross reference
- LF3643 oil filter cross reference
- Fleetguard LF3643 replacement
Best equivalent matches
Select up to 4 filters, then click Compare to view their specs next to the searched filter.
8 compatible options
| Specification | Searched filter Fleetguard LF3643 Reference filter | Purolator L25288Best Match Score: 68.8 RISKY Large gasket OD variation · Large gasket ID variation | Score: 67 RISKY Large gasket OD variation · Large gasket ID variation | Score: 67 RISKY Large gasket OD variation · Large gasket ID variation | Score: 64.2 RISKY Large gasket OD variation · Large gasket ID variation |
|---|---|---|---|---|---|
| Thread size | 13/16-16UN-2B | 13/16-16 | 13/16-16 | 13/16-16 | 13/16-16 |
| Gasket OD | 70 mm | 71.1 mm | 70 mm | 70 mm | 72 mm |
| Gasket ID | 62 mm | 62 mm | 62 mm | 62 mm | 62 mm |
| Can OD | 94 mm | 93.73 mm | 93.73 mm | 93.73 mm | 93.73 mm |
| Height | 92 mm | 94.74 mm | 78.23 mm | 86.36 mm | 86.36 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 17.4 | 12 - 15 | 12 - 15 | 12 - 15 | 12 - 15 |
| Anti-drainback valve | Yes | Yes | 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
58.6
score
RISKYRelated compatible filter pages
- Purolator L25288 oil filter cross reference
- Mobil 1 (ExxonMobil / Mann+Hummel) M1-113A oil filter cross reference
- Mobil 1 (ExxonMobil / Mann+Hummel) M1-201A oil filter cross reference
- Mobil 1 (ExxonMobil / Mann+Hummel) M1-107A oil filter cross reference
- Champ PH16 oil filter cross reference
- Mobil 1 (ExxonMobil / Mann+Hummel) M1-206A oil filter cross reference
Frequently asked questions
What replaces Fleetguard LF3643?
Several oil filter alternatives may be compatible with Fleetguard LF3643, 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 LF3643?
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 LF3643?
Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.