Baldwin BT248 vs NAPA Gold 1050: Oil Filter Compatibility
Compare Baldwin BT248 and NAPA Gold 1050 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 5/8-18 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.
Baldwin BT248 and NAPA Gold 1050 specifications
How matching is scored| Specification | Baldwin BT248 | NAPA Gold 1050 |
|---|---|---|
| Thread size | 5/8-18 | 5/8-18 |
| Gasket OD | 71.4 mm | 70.1 mm |
| Gasket ID | 62.7 mm | 62.5 mm |
| Can OD | 93.7 mm | 92.96 mm |
| Height | 137.3 mm | 131.5 mm |
| Internal bypass valve | Yes | Unknown |
| Bypass PSID | 8 | Unknown |
| Anti-drainback valve | Yes | Unknown |
What matters in this specific comparison
Thread size matches: both are 5/8-18.
Gasket OD differs by 1.3 mm (Baldwin BT248: 71.4 mm, NAPA Gold 1050: 70.1 mm).
Gasket ID differs by 0.2 mm (Baldwin BT248: 62.7 mm, NAPA Gold 1050: 62.5 mm).
Baldwin BT248 is 5.8 mm taller (Baldwin BT248: 137.3 mm, NAPA Gold 1050: 131.5 mm) -- check clearance before substituting.
Can OD differs by 0.7 mm (Baldwin BT248: 93.7 mm, NAPA Gold 1050: 92.96 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.