FRAM P1653A vs Fleetguard LF3788: Oil Filter Compatibility
Compare FRAM P1653A and Fleetguard LF3788 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 1-12 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.
FRAM P1653A and Fleetguard LF3788 specifications
How matching is scored| Specification | FRAM P1653A | Fleetguard LF3788 |
|---|---|---|
| Thread size | 1"-12UNF | 1-12 UNF-2B |
| Gasket OD | 71.1 mm | 71.98 mm |
| Gasket ID | 62.5 mm | 62.53 mm |
| Can OD | 93.2 mm | 94 mm |
| Height | 132.7 mm | 138 mm |
| Internal bypass valve | Yes | Unknown |
| Bypass PSID | 12 | 22.04 |
| Anti-drainback valve | Yes | Unknown |
What matters in this specific comparison
Thread size matches: both are 1-12.
Gasket OD differs by 0.9 mm (FRAM P1653A: 71.1 mm, Fleetguard LF3788: 71.98 mm).
Gasket ID is identical at 62.5 mm.
Fleetguard LF3788 is 5.3 mm taller (FRAM P1653A: 132.7 mm, Fleetguard LF3788: 138 mm) -- check clearance before substituting.
Can OD differs by 0.8 mm (FRAM P1653A: 93.2 mm, Fleetguard LF3788: 94 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.