NAPA Gold 1036 vs Fleetguard LF779: Oil Filter Compatibility
Compare NAPA Gold 1036 and Fleetguard LF779 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 M18x1.5 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.
NAPA Gold 1036 and Fleetguard LF779 specifications
How matching is scored| Specification | NAPA Gold 1036 | Fleetguard LF779 |
|---|---|---|
| Thread size | M18x1.5 | M18x1.5 |
| Gasket OD | 69.4 mm | 71.88 mm |
| Gasket ID | 61.7 mm | 62.48 mm |
| Can OD | 74.19 mm | 76 mm |
| Height | 122.6 mm | 117 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 M18x1.5.
Gasket OD differs by 2.5 mm (NAPA Gold 1036: 69.4 mm, Fleetguard LF779: 71.88 mm).
Gasket ID differs by 0.8 mm (NAPA Gold 1036: 61.7 mm, Fleetguard LF779: 62.48 mm).
NAPA Gold 1036 is 5.6 mm taller (NAPA Gold 1036: 122.6 mm, Fleetguard LF779: 117 mm) -- check clearance before substituting.
Can OD differs by 1.8 mm (NAPA Gold 1036: 74.19 mm, Fleetguard LF779: 76 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.