Baldwin B76 vs WIX 51791: Oil Filter Compatibility
Compare Baldwin B76 and WIX 51791 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 11/8-16 thread.
Quick verdict
Both use a 11/8-16 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 B76 and WIX 51791 specifications
How matching is scored| Specification | Baldwin B76 | WIX 51791 |
|---|---|---|
| Thread size | 11/8-16 | 11/8-16 |
| Gasket OD | 102 mm | 100.8 mm |
| Gasket ID | 92 mm | 91.11 mm |
| Can OD | 108 mm | 108.8 mm |
| Height | 265.1 mm | 263.27 mm |
| Internal bypass valve | No | Yes |
| Bypass PSID | Not applicable | 13 - 19 |
| Anti-drainback valve | No | Yes |
What matters in this specific comparison
Thread size matches: both are 11/8-16.
Gasket OD differs by 1.2 mm (Baldwin B76: 102 mm, WIX 51791: 100.8 mm).
Gasket ID differs by 0.9 mm (Baldwin B76: 92 mm, WIX 51791: 91.11 mm).
Baldwin B76 is 1.8 mm taller (Baldwin B76: 265.1 mm, WIX 51791: 263.27 mm) -- check clearance before substituting.
Can OD differs by 0.8 mm (Baldwin B76: 108 mm, WIX 51791: 108.8 mm).
Bypass valve presence differs: WIX 51791 has one, Baldwin B76 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.