Baldwin B421 oil filter matches
Compare Baldwin B421 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 1 vehicle/engine combination across 1 make, including Isuzu.
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.
60 compatible options
| Specification | Searched filter Baldwin B421 Reference filter | Purolator L14459Best Match SAFE | SAFE | SAFE | SAFE |
|---|---|---|---|---|---|
| Thread size | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 | M20x1.5 |
| Gasket OD | 64 mm | 63 mm | 63 mm | 64 mm | 62.7 mm |
| Gasket ID | 54.1 mm | 55.1 mm | 55.1 mm | 54.1 mm | 54.6 mm |
| Can OD | 76.2 mm | 80.01 mm | 80.01 mm | 76.2 mm | 74.68 mm |
| Height | 72.2 mm | 74.93 mm | 74.93 mm | 72.2 mm | 78.99 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 14 | 12 - 15 | 12 - 15 | 8 | 14 |
| 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.
11
Closest known dimensional difference: height +15.1 mm. Verify application-specific requirements before substituting.
12
Closest known dimensional difference: height -6.7 mm. Verify application-specific requirements before substituting.
13
Closest known dimensional difference: height +1.8 mm. Verify application-specific requirements before substituting.
14
Closest known dimensional difference: gasket OD -1.5 mm. Verify application-specific requirements before substituting.
15
Closest known dimensional difference: height -1.6 mm. Verify application-specific requirements before substituting.
16
Closest known dimensional difference: height -1.6 mm. Verify application-specific requirements before substituting.
17
Closest known dimensional difference: height +2.6 mm. Verify application-specific requirements before substituting.
18
Closest known dimensional difference: height +2.8 mm. Verify application-specific requirements before substituting.
19
Closest known dimensional difference: height -5.4 mm. Verify application-specific requirements before substituting.
20
Closest known dimensional difference: height -5.4 mm. Verify application-specific requirements before substituting.
21
Closest known dimensional difference: height -5.2 mm. Verify application-specific requirements before substituting.
22
Closest known dimensional difference: height +13.8 mm. Verify application-specific requirements before substituting.
23
Closest known dimensional difference: height -7.2 mm. Verify application-specific requirements before substituting.
24
Closest known dimensional difference: height +4.3 mm. Verify application-specific requirements before substituting.
25
Closest known dimensional difference: height +9.6 mm. Verify application-specific requirements before substituting.
26
Closest known dimensional difference: height +15.1 mm. Verify application-specific requirements before substituting.
27
Large bypass PSI mismatch: 22 psi
28
Closest known dimensional difference: height +10 mm. Verify application-specific requirements before substituting.
29
Closest known dimensional difference: height +7.8 mm. Verify application-specific requirements before substituting.
30
Large bypass PSI mismatch: 8.5 psi
31
Large bypass PSI mismatch: 8.5 psi
32
Closest known dimensional difference: height +2.2 mm. Verify application-specific requirements before substituting.
33
Closest known dimensional difference: height +6.8 mm. Verify application-specific requirements before substituting.
34
Closest known dimensional difference: height -7.2 mm. Verify application-specific requirements before substituting.
35
Closest known dimensional difference: height +13.8 mm. Verify application-specific requirements before substituting.
36
Closest known dimensional difference: height +14.8 mm. Verify application-specific requirements before substituting.
37
Closest known dimensional difference: height +13.8 mm. Verify application-specific requirements before substituting.
38
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
39
Closest known dimensional difference: height +17.2 mm. Verify application-specific requirements before substituting.
40
Closest known dimensional difference: height +17.2 mm. Verify application-specific requirements before substituting.
41
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
42
Closest known dimensional difference: height -6.8 mm. Verify application-specific requirements before substituting.
43
Closest known dimensional difference: height +12.8 mm. Verify application-specific requirements before substituting.
44
Large bypass PSI mismatch: 8 psi
45
Closest known dimensional difference: height +4.3 mm. Verify application-specific requirements before substituting.
46
Closest known dimensional difference: height +10 mm. Verify application-specific requirements before substituting.
47
Closest known dimensional difference: height +10 mm. Verify application-specific requirements before substituting.
48
Closest known dimensional difference: height +2.2 mm. Verify application-specific requirements before substituting.
49
Closest known dimensional difference: height +10.4 mm. Verify application-specific requirements before substituting.
50
Closest known dimensional difference: height +10.4 mm. Verify application-specific requirements before substituting.
51
Candidate removes ADBV
52
Closest known dimensional difference: height +10.4 mm. Verify application-specific requirements before substituting.
53
Closest known dimensional difference: height +12.8 mm. Verify application-specific requirements before substituting.
54
Closest known dimensional difference: height +23 mm. Verify application-specific requirements before substituting.
55
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
56
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
57
Closest known dimensional difference: height -6.7 mm. Verify application-specific requirements before substituting.
58
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
59
Closest known dimensional difference: height +13.8 mm. Verify application-specific requirements before substituting.
60
Closest known dimensional difference: height -6.7 mm. Verify application-specific requirements before substituting.
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.
Isuzu (1 vehicle/engine combination)
- Year unknown Isuzu