Champ PH2840 vs WIX 51357: Oil Filter Compatibility
Compare Champ PH2840 and WIX 51357 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.
Champ PH2840 and WIX 51357 specifications
How matching is scored| Specification | Champ PH2840 | WIX 51357 |
|---|---|---|
| Thread size | M20x1.5 | M20x1.5 |
| Gasket OD | 62.7 mm | 62.87 mm |
| Gasket ID | 54.6 mm | 55.19 mm |
| Can OD | 74.68 mm | 68.2 mm |
| Height | 78.99 mm | 86.41 mm |
| Internal bypass valve | Yes | Yes |
| Bypass PSID | 14 | 13 - 19 |
| Anti-drainback valve | Yes | Yes |
What matters in this specific comparison
Thread size matches: both are M20x1.5.
Gasket OD differs by 0.2 mm (Champ PH2840: 62.7 mm, WIX 51357: 62.87 mm).
Gasket ID differs by 0.6 mm (Champ PH2840: 54.6 mm, WIX 51357: 55.19 mm).
WIX 51357 is 7.4 mm taller (Champ PH2840: 78.99 mm, WIX 51357: 86.41 mm) -- check clearance before substituting.
Can OD differs by 6.5 mm (Champ PH2840: 74.68 mm, WIX 51357: 68.2 mm).
Both open their bypass valve in a comparable range: Champ PH2840 at 14-14 psi, WIX 51357 at 13-19 psi.
Open related filters
Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.