Baldwin B9 vs WIX 51060MP: Oil Filter Compatibility
Compare Baldwin B9 and WIX 51060MP 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 13/16-16 thread.
Quick verdict
Both use a 13/16-16 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.
Baldwin B9 and WIX 51060MP specifications
How matching is scored| Specification | Baldwin B9 | WIX 51060MP |
|---|---|---|
| Thread size | 13/16-16 | 13/16-16 |
| Gasket OD | 91 mm | 87.48 mm |
| Gasket ID | 80 mm | 78.74 mm |
| Can OD | 93.7 mm | 93 mm |
| Height | 136.5 mm | 131.5 mm |
| Internal bypass valve | No | Yes |
| Bypass PSID | Not applicable | 8 - 11 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 13/16-16.
Gasket OD differs by 3.5 mm (Baldwin B9: 91 mm, WIX 51060MP: 87.48 mm).
Gasket ID differs by 1.3 mm (Baldwin B9: 80 mm, WIX 51060MP: 78.74 mm).
Baldwin B9 is 5 mm taller (Baldwin B9: 136.5 mm, WIX 51060MP: 131.5 mm) -- check clearance before substituting.
Can OD differs by 0.7 mm (Baldwin B9: 93.7 mm, WIX 51060MP: 93 mm).
Bypass valve presence differs: WIX 51060MP has one, Baldwin B9 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.