WIX 51649 vs WIX 57259: Oil Filter Compatibility
Compare WIX 51649 and WIX 57259 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 11/2-12 thread.
Quick verdict
Both use a 11/2-12 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 51649 and WIX 57259 specifications
How matching is scored| Specification | WIX 51649 | WIX 57259 |
|---|---|---|
| Thread size | 11/2-12 | 11/2-12 |
| Gasket OD | 109.7 mm | 110.5 mm |
| Gasket ID | 97.03 mm | 97.79 mm |
| Can OD | 118.3 mm | 120 mm |
| Height | 204.7 mm | 200 mm |
| Internal bypass valve | No | Yes |
| Bypass PSID | Not applicable | 12 - 15 |
| Anti-drainback valve | No | Yes |
What matters in this specific comparison
Thread size matches: both are 11/2-12.
Gasket OD differs by 0.8 mm (WIX 51649: 109.7 mm, WIX 57259: 110.5 mm).
Gasket ID differs by 0.8 mm (WIX 51649: 97.03 mm, WIX 57259: 97.79 mm).
WIX 51649 is 4.7 mm taller (WIX 51649: 204.7 mm, WIX 57259: 200 mm) -- check clearance before substituting.
Can OD differs by 1.7 mm (WIX 51649: 118.3 mm, WIX 57259: 120 mm).
Bypass valve presence differs: WIX 57259 has one, WIX 51649 does not.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.