Bosch 3331 vs Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: Oil Filter Compatibility
Compare Bosch 3331 and Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A 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 M18x1.5 thread.
Quick verdict
Both use a M18x1.5 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.
Bosch 3331 and Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A specifications
How matching is scored| Specification | Bosch 3331 | Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A |
|---|---|---|
| Thread size | M18x1.5 | M18x1.5 |
| Gasket OD | 71 mm | 70 mm |
| Gasket ID | 62 mm | 62 mm |
| Can OD | 75.01 mm | 74.19 mm |
| Height | 85.34 mm | 87.63 mm |
| Internal bypass valve | No | Yes |
| Bypass PSID | Not applicable | 8 - 11 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are M18x1.5.
Gasket OD differs by 1 mm (Bosch 3331: 71 mm, Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: 70 mm).
Gasket ID is identical at 62 mm.
Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A is 2.3 mm taller (Bosch 3331: 85.34 mm, Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: 87.63 mm) -- check clearance before substituting.
Can OD differs by 0.8 mm (Bosch 3331: 75.01 mm, Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: 74.19 mm).
Bypass valve presence differs: Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A has one, Bosch 3331 does not.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.