5
Large bypass PSI mismatch: 14 psi
Compare WIX 51390 against compatible oil filters from other brands. Review thread size, gasket dimensions, height, valve behavior, and fitment notes before substituting. This is a research tool, not an automatic guarantee of fitment.
Before substituting: verify filter style, thread size or cartridge dimensions, gasket dimensions, height and clearance, bypass behavior, and your engine or equipment requirements.
Select up to 4 filters, then click Compare to view their specs next to the searched filter. How matching is scored.
| Specification | Searched filter WIX 51390 Reference filter | WIX 51839Best Match COMPATIBLE Strong dimensional fit. Verify application-specific requirements before substituting. | COMPATIBLE Strong dimensional fit. Verify application-specific requirements before substituting. | COMPATIBLE Large bypass PSI mismatch: 6.5 psi | RISKY Large bypass PSI mismatch: 14 psi |
|---|---|---|---|---|---|
| Thread size | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 |
| Gasket OD | 87.48 mm | 87.48 mm | 88.9 mm | 87.48 mm | 88.9 mm |
| Gasket ID | 78.74 mm | 78.74 mm | 80 mm | 78.74 mm | 80 mm |
| Can OD | 93.22 mm | 92.96 mm | 95.5 mm | 93.27 mm | 93.73 mm |
| Height | 79.78 mm | 96.27 mm | 95.25 mm | 96.34 mm | 95.25 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 13 - 19 | 12 - 15 | 8 - 16 | 8 - 11 | 25 - 35 |
| Anti-drainback valve | Yes | Yes | Yes | Yes | Yes |
Sorted best-fit first. Dot rating summarizes relative fit without exposing the raw score.