Bosch 3422 vs NAPA Gold 1191: Oil Filter Compatibility
Compare Bosch 3422 and NAPA Gold 1191 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
Closest known dimensional difference: height -11.1 mm. Verify application-specific requirements before substituting.
- 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.
Bosch 3422 and NAPA Gold 1191 specifications
How matching is scored| Specification | Bosch 3422 | NAPA Gold 1191 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 70 mm | 69.6 mm |
| Gasket ID | 61 mm | 60.2 mm |
| Can OD | 75.01 mm | 92.96 mm |
| Height | 120.4 mm | 131.5 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 12 - 15 | 13 - 19 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD differs by 0.4 mm (Bosch 3422: 70 mm, NAPA Gold 1191: 69.6 mm).
Gasket ID differs by 0.8 mm (Bosch 3422: 61 mm, NAPA Gold 1191: 60.2 mm).
NAPA Gold 1191 is 11.1 mm taller (Bosch 3422: 120.4 mm, NAPA Gold 1191: 131.5 mm) -- check clearance before substituting.
Can OD differs by 17.9 mm (Bosch 3422: 75.01 mm, NAPA Gold 1191: 92.96 mm).
Both open their bypass valve in a comparable range: Bosch 3422 at 12-15 psi, NAPA Gold 1191 at 13-19 psi.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.