Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A vs FRAM PH9648: Oil Filter Compatibility
Compare Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A and FRAM PH9648 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
Closest known dimensional difference: height -22.6 mm. Verify application-specific requirements before substituting.
- 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) M1-101A and FRAM PH9648 specifications
How matching is scored| Specification | Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A | FRAM PH9648 |
|---|---|---|
| Thread size | M18x1.5 | M18X1,5 |
| Gasket OD | 70 mm | 70 mm |
| Gasket ID | 62 mm | 62 mm |
| Can OD | 74.19 mm | 68 mm |
| Height | 87.63 mm | 65 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 8 - 11 | 12 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are M18x1.5.
Gasket OD is identical at 70 mm.
Gasket ID is identical at 62 mm.
Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A is 22.6 mm taller (Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: 87.63 mm, FRAM PH9648: 65 mm) -- check clearance before substituting.
Can OD differs by 6.2 mm (Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A: 74.19 mm, FRAM PH9648: 68 mm).
Both open their bypass valve in a comparable range: Mobil 1 (ExxonMobil / Mann+Hummel) M1-101A at 8-11 psi, FRAM PH9648 at 12-12 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.