Baldwin B113 vs Champ PH488: Oil Filter Compatibility
Compare Baldwin B113 and Champ PH488 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.
Baldwin B113 and Champ PH488 specifications
How matching is scored| Specification | Baldwin B113 | Champ PH488 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 71.98 mm | 70.1 mm |
| Gasket ID | 62.53 mm | 62.5 mm |
| Can OD | 77 mm | 93.73 mm |
| Height | 103.2 mm | 104.9 mm |
| Internal bypass valve | No | No |
| Bypass PSID | Not applicable | Not applicable |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD differs by 1.9 mm (Baldwin B113: 71.98 mm, Champ PH488: 70.1 mm).
Gasket ID is identical at 62.53 mm.
Champ PH488 is 1.7 mm taller (Baldwin B113: 103.2 mm, Champ PH488: 104.9 mm) -- check clearance before substituting.
Can OD differs by 16.7 mm (Baldwin B113: 77 mm, Champ PH488: 93.73 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.