5
Closest known dimensional difference: gasket OD +2.7 mm. Verify application-specific requirements before substituting.
WIX 51261 oil filter matches
Compare WIX 51261 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. Documented fitment includes 6 vehicle/engine combinations across 4 makes, including Blue Bird, Chevrolet, Ford, and 1 other make.
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.
21 compatible options
| Specification | Searched filter WIX 51261 Reference filter | WIX 51768Best Match COMPATIBLE Closest known dimensional difference: gasket OD +2.7 mm. Verify application-specific requirements before substituting. | COMPATIBLE Closest known dimensional difference: height +4.4 mm. Verify application-specific requirements before substituting. | COMPATIBLE Closest known dimensional difference: gasket OD +2.7 mm. Verify application-specific requirements before substituting. | COMPATIBLE Closest known dimensional difference: height +18.1 mm. Verify application-specific requirements before substituting. |
|---|---|---|---|---|---|
| Thread size | 1-12 | 1-12 | 1-12 | 1-12 | 1-12 |
| Gasket OD | 69.32 mm | 71.98 mm | 72.52 mm | 71.98 mm | 71.98 mm |
| Gasket ID | 61.34 mm | 62.53 mm | 63.25 mm | 62 mm | 62.53 mm |
| Can OD | 93.55 mm | 93 mm | 93.73 mm | 95.99 mm | 93.04 mm |
| Height | 131.2 mm | 131.5 mm | 135.6 mm | 132 mm | 149.3 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 8 - 11 | 12 - 15 | 8 - 11 | 14 | 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
Large bypass PSI mismatch: 6.5 psi
7
Large bypass PSI mismatch: 11.5 psi
8
Large bypass PSI mismatch: 20.5 psi
9
Closest known dimensional difference: height -34.2 mm. Verify application-specific requirements before substituting.
10
Large bypass PSI mismatch: 26.5 psi
11
Closest known dimensional difference: height -23.9 mm. Verify application-specific requirements before substituting.
12
Closest known dimensional difference: height -9.2 mm. Verify application-specific requirements before substituting.
13
Large bypass PSI mismatch: 12.5 psi
1.0/5.0
RISKY14
Large bypass PSI mismatch: 6.5 psi
1.0/5.0
RISKY15
Closest known dimensional difference: height -34.4 mm. Verify application-specific requirements before substituting.
1.0/5.0
RISKY16
Large bypass PSI mismatch: 20.5 psi
17
Large bypass PSI mismatch: 6.5 psi
1.0/5.0
RISKY18
Large bypass PSI mismatch: 6.5 psi
19
Large bypass PSI mismatch: 10.5 psi · Candidate removes ADBV
20
Large bypass PSI mismatch: 20.5 psi · Candidate removes ADBV
21
Large bypass PSI mismatch: 10.5 psi · Candidate removes ADBV
Documented vehicle and equipment fitment
Fitment data below comes directly from manufacturer catalogs and published cross-reference sources on file for this filter. It is not a substitute for verifying fitment against your specific vehicle or equipment.
Blue Bird (1 vehicle/engine combination)
- 1992 Blue Bird TC2000 (V8 5.40L)
Chevrolet (1 vehicle/engine combination)
- 1990 Chevrolet C70 (V8 5.40L)
Ford (1 vehicle/engine combination)
- 1990 Ford C8000 (V8 10.40L Diesel)
GMC (2 vehicle/engine combinations)
- 1990 GMC C6000 (V8 10.40L Diesel)
- 1990 GMC C7000 (V8 10.40L Diesel)
Other (1 vehicle/engine combination)
- Year unknown Unspecified vehicle