WIX 51366 vs WIX 51389: Oil Filter Compatibility
Compare WIX 51366 and WIX 51389 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: 94
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.
WIX 51366 and WIX 51389 specifications
How matching is scored| Specification | WIX 51366 | WIX 51389 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 63.25 mm | 63.25 mm |
| Gasket ID | 51.05 mm | 51.05 mm |
| Can OD | 82.14 mm | 82.14 mm |
| Height | 81.13 mm | 81.13 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 is identical at 63.25 mm.
Gasket ID is identical at 51.05 mm.
Height is identical at 81.13 mm.
Can OD is identical at 82.14 mm.
Both open their bypass valve in a comparable range: WIX 51366 at 12-15 psi, WIX 51389 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.