NAPA Gold 1042 vs Baldwin B227: Oil Filter Compatibility
Compare NAPA Gold 1042 and Baldwin B227 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
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
- 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.
NAPA Gold 1042 and Baldwin B227 specifications
How matching is scored| Specification | NAPA Gold 1042 | Baldwin B227 |
|---|---|---|
| Thread size | 13/16-16 | 13/16-16 |
| Gasket OD | 88.9 mm | 88.1 mm |
| Gasket ID | 80 mm | 78.6 mm |
| Can OD | 74.19 mm | 76.2 mm |
| Height | 86.46 mm | 72.2 mm |
| Internal bypass valve | Unknown | Yes |
| Bypass PSID | Unknown | 20 |
| Anti-drainback valve | Unknown | Yes |
What matters in this specific comparison
Thread size matches: both are 13/16-16.
Gasket OD differs by 0.8 mm (NAPA Gold 1042: 88.9 mm, Baldwin B227: 88.1 mm).
Gasket ID differs by 1.4 mm (NAPA Gold 1042: 80 mm, Baldwin B227: 78.6 mm).
NAPA Gold 1042 is 14.3 mm taller (NAPA Gold 1042: 86.46 mm, Baldwin B227: 72.2 mm) -- check clearance before substituting.
Can OD differs by 2 mm (NAPA Gold 1042: 74.19 mm, Baldwin B227: 76.2 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.