NAPA Gold 1521 oil filter matches
Compare NAPA Gold 1521 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.
60 compatible options
| Specification | Searched filter NAPA Gold 1521 Reference filter | Baldwin B163Best Match SAFE | SAFE | SAFE | SAFE |
|---|---|---|---|---|---|
| Thread size | 3/4-16 | 3/4-16 | 3/4-16 | 3/4-16 | 3/4-16 |
| Gasket OD | 69 mm | 71.4 mm | 71.4 mm | 70.6 mm | 71.5 mm |
| Gasket ID | 62 mm | 62.7 mm | 62.7 mm | 62.2 mm | 62.5 mm |
| Can OD | 92.99 mm | 93.7 mm | 93.7 mm | 92.96 mm | 93.19 mm |
| Height | 96.01 mm | 98.4 mm | 98.4 mm | 93.98 mm | 95.81 mm |
| Internal bypass valve | Yes | Yes | Yes | Yes | Yes |
| Bypass PSID | 8 - 11 | 8 | 8 | 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.
14
Closest known dimensional difference: gasket OD +2 mm. Verify application-specific requirements before substituting.
15
Closest known dimensional difference: gasket OD +3 mm. Verify application-specific requirements before substituting.
16
Closest known dimensional difference: gasket OD +2 mm. Verify application-specific requirements before substituting.
17
Closest known dimensional difference: gasket OD +3 mm. Verify application-specific requirements before substituting.
18
Closest known dimensional difference: gasket OD +2.1 mm. Verify application-specific requirements before substituting.
19
Closest known dimensional difference: gasket OD +3 mm. Verify application-specific requirements before substituting.
20
Closest known dimensional difference: gasket OD +3 mm. Verify application-specific requirements before substituting.
21
Closest known dimensional difference: gasket OD +2.1 mm. Verify application-specific requirements before substituting.
22
Closest known dimensional difference: gasket OD +2.8 mm. Verify application-specific requirements before substituting.
23
Closest known dimensional difference: gasket OD +2 mm. Verify application-specific requirements before substituting.
24
Closest known dimensional difference: height +8.9 mm. Verify application-specific requirements before substituting.
25
Closest known dimensional difference: height +8.9 mm. Verify application-specific requirements before substituting.
26
Closest known dimensional difference: height -9.7 mm. Verify application-specific requirements before substituting.
27
Closest known dimensional difference: height +15.1 mm. Verify application-specific requirements before substituting.
28
Closest known dimensional difference: height +4 mm. Verify application-specific requirements before substituting.
29
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
30
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
31
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
32
Large bypass PSI mismatch: 6.5 psi
33
Closest known dimensional difference: height +2.5 mm. Verify application-specific requirements before substituting.
34
Closest known dimensional difference: height +2.5 mm. Verify application-specific requirements before substituting.
35
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
36
Closest known dimensional difference: height +14.2 mm. Verify application-specific requirements before substituting.
37
Large bypass PSI mismatch: 9 psi ยท Candidate removes ADBV
38
Closest known dimensional difference: height -8.7 mm. Verify application-specific requirements before substituting.
39
Closest known dimensional difference: height -7.1 mm. Verify application-specific requirements before substituting.
40
Large bypass PSI mismatch: 14.5 psi
41
Closest known dimensional difference: height -9.6 mm. Verify application-specific requirements before substituting.
42
Large bypass PSI mismatch: 22.5 psi
43
Large bypass PSI mismatch: 26.5 psi
44
Closest known dimensional difference: height -9.6 mm. Verify application-specific requirements before substituting.
45
Closest known dimensional difference: height -20.3 mm. Verify application-specific requirements before substituting.
46
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
47
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
48
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
49
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
50
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
51
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
52
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
53
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.
54
Large bypass PSI mismatch: 6.5 psi
55
Closest known dimensional difference: height +15.1 mm. Verify application-specific requirements before substituting.
56
Closest known dimensional difference: gasket OD +2 mm. Verify application-specific requirements before substituting.
57
Closest known dimensional difference: height +19 mm. Verify application-specific requirements before substituting.
58
Closest known dimensional difference: height +7.2 mm. Verify application-specific requirements before substituting.
59
Large bypass PSI mismatch: 10.5 psi
60
Closest known dimensional difference: height -10.7 mm. Verify application-specific requirements before substituting.