Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A vs NAPA Gold 1512: Oil Filter Compatibility
Compare Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A and NAPA Gold 1512 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.
Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A and NAPA Gold 1512 specifications
How matching is scored| Specification | Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A | NAPA Gold 1512 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 72 mm | 72 mm |
| Gasket ID | 62 mm | 63 mm |
| Can OD | 74.19 mm | 74.9 mm |
| Height | 136.4 mm | 148.4 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 8 - 11 | 13 - 19 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD is identical at 72 mm.
Gasket ID differs by 1 mm (Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A: 62 mm, NAPA Gold 1512: 63 mm).
NAPA Gold 1512 is 12 mm taller (Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A: 136.4 mm, NAPA Gold 1512: 148.4 mm) -- check clearance before substituting.
Can OD differs by 0.7 mm (Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A: 74.19 mm, NAPA Gold 1512: 74.9 mm).
Both open their bypass valve in a comparable range: Mobil 1 (ExxonMobil / Mann+Hummel) M1-212A at 8-11 psi, NAPA Gold 1512 at 13-19 psi -- these ranges do not overlap.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.