MANN-FILTER W 920/21 vs Bosch 3330: Oil Filter Compatibility
Compare MANN-FILTER W 920/21 and Bosch 3330 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.
MANN-FILTER W 920/21 and Bosch 3330 specifications
How matching is scored| Specification | MANN-FILTER W 920/21 | Bosch 3330 |
|---|---|---|
| Thread size | 3/4-16 | 3/4-16 |
| Gasket OD | 71.5 mm | 71 mm |
| Gasket ID | 62.5 mm | 62 mm |
| Can OD | 74.19 mm | 75.69 mm |
| Height | 86.46 mm | 85.34 mm |
| Internal bypass valve | Unknown | Yes |
| Bypass PSID | Unknown | 12 - 15 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are 3/4-16.
Gasket OD differs by 0.5 mm (MANN-FILTER W 920/21: 71.5 mm, Bosch 3330: 71 mm).
Gasket ID differs by 0.5 mm (MANN-FILTER W 920/21: 62.5 mm, Bosch 3330: 62 mm).
MANN-FILTER W 920/21 is 1.1 mm taller (MANN-FILTER W 920/21: 86.46 mm, Bosch 3330: 85.34 mm) -- check clearance before substituting.
Can OD differs by 1.5 mm (MANN-FILTER W 920/21: 74.19 mm, Bosch 3330: 75.69 mm).
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.