Fleetguard LF17494 vs Fleetguard LF3894: Oil Filter Compatibility
Compare Fleetguard LF17494 and Fleetguard LF3894 oil filters by compatibility, dimensions, thread size, gasket fit, bypass valve, anti-drainback valve status, and match confidence. Use this comparison as a fitment review, not as an automatic substitution guarantee. Both use a 1-16 thread.
Quick verdict
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
- Thread size is the first hard-fit check for any comparison of spin-on filters.
- Gasket OD and gasket ID are the most important seal-related dimensions.
- Height differences can matter for clearance even when thread and gasket fit appear close.
- Bypass and anti-drainback differences may be important, depending on the application.
Fleetguard LF17494 and Fleetguard LF3894 specifications
How matching is scored| Specification | Fleetguard LF17494 | Fleetguard LF3894 |
|---|---|---|
| Thread size | 1-16 UN-2B | 1-16 UN-2B |
| Gasket OD | 72 mm | 71.88 mm |
| Gasket ID | 62.5 mm | 62.48 mm |
| Can OD | 93 mm | 93 mm |
| Height | 168 mm | 176 mm |
| Internal bypass valve | Unknown | No |
| Bypass PSID | Unknown | Not applicable |
| Anti-drainback valve | Unknown | No |
What matters in this specific comparison
Thread size matches: both are 1-16.
Gasket OD differs by 0.1 mm (Fleetguard LF17494: 72 mm, Fleetguard LF3894: 71.88 mm).
Gasket ID is identical at 62.5 mm.
Fleetguard LF3894 is 8 mm taller (Fleetguard LF17494: 168 mm, Fleetguard LF3894: 176 mm) -- check clearance before substituting.
Can OD is identical at 93 mm.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.