WIX 57181 vs WIX 57936: Oil Filter Compatibility
Compare WIX 57181 and WIX 57936 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.
WIX 57181 and WIX 57936 specifications
How matching is scored| Specification | WIX 57181 | WIX 57936 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 69.6 mm | 71.37 mm |
| Gasket ID | 60.2 mm | 62.61 mm |
| Can OD | 76.1 mm | 78.49 mm |
| Height | 89.64 mm | 78.74 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 13 - 19 | 12 - 15 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD differs by 1.8 mm (WIX 57181: 69.6 mm, WIX 57936: 71.37 mm).
Gasket ID differs by 2.4 mm (WIX 57181: 60.2 mm, WIX 57936: 62.61 mm).
WIX 57181 is 10.9 mm taller (WIX 57181: 89.64 mm, WIX 57936: 78.74 mm) -- check clearance before substituting.
Can OD differs by 2.4 mm (WIX 57181: 76.1 mm, WIX 57936: 78.49 mm).
Both open their bypass valve in a comparable range: WIX 57181 at 13-19 psi, WIX 57936 at 12-15 psi.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.