Donaldson P550518 oil filter matches
Compare Donaldson P550518 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.
Best equivalent matches
Select up to 4 filters, then click Compare to view their specs next to the searched filter. How matching is scored.
15 compatible options
| Specification | Searched filter Donaldson P550518 Reference filter | K&N HP-3002Best Match SAFE | SAFE | SAFE | SAFE |
|---|---|---|---|---|---|
| Thread size | 13/16-16 | 13/16-16 | 13/16-16 | 13/16-16 | 13/16-16 |
| Gasket OD | 88 mm | 88 mm | 88 mm | 87.48 mm | 87.48 mm |
| Gasket ID | 79 mm | 79 mm | 79 mm | 78.74 mm | 78.74 mm |
| Can OD | 94 mm | 96 mm | 93.73 mm | 93 mm | 93 mm |
| Height | 136 mm | 140 mm | 136.65 mm | 131.5 mm | 131.5 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 12 - 15 | 11 - 17 | 12 - 15 | 8 - 11 | 8 - 11 |
| Anti-drainback valve | Yes | Yes | Yes | Yes | Yes |
Other suitable matches
Sorted best-fit first. Dot rating summarizes relative fit without exposing the raw score. How matching is scored.
6
Closest known dimensional difference: height -3.5 mm. Verify application-specific requirements before substituting.
7
Closest known dimensional difference: height -3.5 mm. Verify application-specific requirements before substituting.
8
Closest known dimensional difference: height -39.7 mm. Verify application-specific requirements before substituting.
9
Closest known dimensional difference: height -25.8 mm. Verify application-specific requirements before substituting.
10
Closest known dimensional difference: height -39.7 mm. Verify application-specific requirements before substituting.
11
Closest known dimensional difference: height -52 mm. Verify application-specific requirements before substituting.
12
Closest known dimensional difference: height -24.9 mm. Verify application-specific requirements before substituting.
13
Large bypass PSI mismatch: 6.5 psi · Candidate removes ADBV
14
Bypass presence unknown on one or both filters · Candidate removes ADBV
15
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters