NAPA Gold 1790 vs NAPA Gold 1775: Oil Filter Compatibility
Compare NAPA Gold 1790 and NAPA Gold 1775 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
SAFEMatch score: 97
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 1790 and NAPA Gold 1775 specifications
How matching is scored| Specification | NAPA Gold 1790 | NAPA Gold 1775 |
|---|---|---|
| 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 | 92.96 mm |
| Height | 131.5 mm | 131.5 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.
Height is identical at 131.5 mm.
Can OD is identical at 92.96 mm.
Both open their bypass valve in a comparable range: NAPA Gold 1790 at 8-11 psi, NAPA Gold 1775 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.