WIX 51287 vs WIX 51347: Oil Filter Compatibility
Compare WIX 51287 and WIX 51347 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 M20x1.5 thread.
Quick verdict
Both use a M20x1.5 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.
WIX 51287 and WIX 51347 specifications
How matching is scored| Specification | WIX 51287 | WIX 51347 |
|---|---|---|
| Thread size | M20x1.5 | M20x1.5 |
| Gasket OD | 69.44 mm | 69.44 mm |
| Gasket ID | 61.72 mm | 61.72 mm |
| Can OD | 74.19 mm | 74.19 mm |
| Height | 122.6 mm | 122.6 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 12 - 15 | 8 - 11 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are M20x1.5.
Gasket OD is identical at 69.44 mm.
Gasket ID is identical at 61.72 mm.
Height is identical at 122.6 mm.
Can OD is identical at 74.19 mm.
Both open their bypass valve in a comparable range: WIX 51287 at 12-15 psi, WIX 51347 at 8-11 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.