MAHLE OC 978 oil filter matches
Compare MAHLE OC 978 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.
39 compatible options
| Specification | Searched filter MAHLE OC 978 Reference filter | MAHLE OC 614Best Match SAFE | SAFE | SAFE | SAFE |
|---|---|---|---|---|---|
| Thread size | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 | M20X1,5 |
| Gasket OD | 70.8 mm | 71 mm | 72 mm | 71 mm | 72 mm |
| Gasket ID | 62.3 mm | 62 mm | 62 mm | 62 mm | 62 mm |
| Can OD | 75 mm | 74.7 mm | 75.18 mm | 76 mm | 76 mm |
| Height | 79.5 mm | 79 mm | 78.99 mm | 67 mm | 70 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 14 | 12 - 15 | 12 - 15 | 14 | 14.504 |
| 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.
9
Closest known dimensional difference: height +11.3 mm. Verify application-specific requirements before substituting.
10
Closest known dimensional difference: height +5.5 mm. Verify application-specific requirements before substituting.
11
Closest known dimensional difference: height +2.3 mm. Verify application-specific requirements before substituting.
12
Closest known dimensional difference: gasket OD +1.2 mm. Verify application-specific requirements before substituting.
13
Closest known dimensional difference: height +6.2 mm. Verify application-specific requirements before substituting.
14
Closest known dimensional difference: height +5.5 mm. Verify application-specific requirements before substituting.
15
Closest known dimensional difference: height +13.5 mm. Verify application-specific requirements before substituting.
16
Closest known dimensional difference: height +7 mm. Verify application-specific requirements before substituting.
17
Closest known dimensional difference: gasket OD -2.8 mm. Verify application-specific requirements before substituting.
18
Closest known dimensional difference: height -6.5 mm. Verify application-specific requirements before substituting.
19
Closest known dimensional difference: height +20.5 mm. Verify application-specific requirements before substituting.
20
Closest known dimensional difference: height +9.5 mm. Verify application-specific requirements before substituting.
21
Closest known dimensional difference: height +5.5 mm. Verify application-specific requirements before substituting.
22
Closest known dimensional difference: height +5.5 mm. Verify application-specific requirements before substituting.
23
Closest known dimensional difference: height +8.5 mm. Verify application-specific requirements before substituting.
24
Closest known dimensional difference: height +20.5 mm. Verify application-specific requirements before substituting.
25
Closest known dimensional difference: height +23.9 mm. Verify application-specific requirements before substituting.
26
Closest known dimensional difference: height -22 mm. Verify application-specific requirements before substituting.
27
Closest known dimensional difference: height +3.1 mm. Verify application-specific requirements before substituting.
28
Closest known dimensional difference: height +20.5 mm. Verify application-specific requirements before substituting.
29
Closest known dimensional difference: height +20.5 mm. Verify application-specific requirements before substituting.
30
Large bypass PSI mismatch: 12 psi
31
Large bypass PSI mismatch: 22 psi
1.0/5.0
RISKY32
Closest known dimensional difference: height +18.9 mm. Verify application-specific requirements before substituting.
33
Closest known dimensional difference: height +17.3 mm. Verify application-specific requirements before substituting.
1.0/5.0
RISKY34
Closest known dimensional difference: height +17.3 mm. Verify application-specific requirements before substituting.
1.0/5.0
RISKY35
Closest known dimensional difference: height +17.3 mm. Verify application-specific requirements before substituting.
36
Bypass presence unknown on one or both filters
37
Bypass presence unknown on one or both filters
38
Thread unknown on one or both filters
39
Thread unknown on one or both filters ยท Large bypass PSI mismatch: 7.8 psi