NAPA Gold 1775 vs Mazda AJ04-14-302A: Oil Filter Compatibility
Compare NAPA Gold 1775 and Mazda AJ04-14-302A 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 3/4-16 thread.
Quick verdict
Both use a 3/4-16 thread.
- 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 1775 and Mazda AJ04-14-302A specifications
How matching is scored| Specification | NAPA Gold 1775 | Mazda AJ04-14-302A |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 72 mm | 72 mm |
| Gasket ID | 63 mm | 63 mm |
| Can OD | 92.96 mm | 93.19 mm |
| Height | 131.5 mm | 110.19 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 8 - 11 | 8 - 11 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD is identical at 72 mm.
Gasket ID is identical at 63 mm.
NAPA Gold 1775 is 21.3 mm taller (NAPA Gold 1775: 131.5 mm, Mazda AJ04-14-302A: 110.19 mm) -- check clearance before substituting.
Can OD differs by 0.2 mm (NAPA Gold 1775: 92.96 mm, Mazda AJ04-14-302A: 93.19 mm).
Both open their bypass valve in a comparable range: NAPA Gold 1775 at 8-11 psi, Mazda AJ04-14-302A at 8-11 psi.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.