WIX 51088 vs Baldwin B178: Oil Filter Compatibility
Compare WIX 51088 and Baldwin B178 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 51088 and Baldwin B178 specifications
How matching is scored| Specification | WIX 51088 | Baldwin B178 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 69.6 mm | 69.9 mm |
| Gasket ID | 60.2 mm | 60.9 mm |
| Can OD | 75.77 mm | 76.2 mm |
| Height | 119.5 mm | 130.2 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 30 | 30 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD differs by 0.3 mm (WIX 51088: 69.6 mm, Baldwin B178: 69.9 mm).
Gasket ID differs by 0.7 mm (WIX 51088: 60.2 mm, Baldwin B178: 60.9 mm).
Baldwin B178 is 10.7 mm taller (WIX 51088: 119.5 mm, Baldwin B178: 130.2 mm) -- check clearance before substituting.
Can OD differs by 0.4 mm (WIX 51088: 75.77 mm, Baldwin B178: 76.2 mm).
Both open their bypass valve in a comparable range: WIX 51088 at 30-30 psi, Baldwin B178 at 30-30 psi.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.