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