5
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
Fleetguard LF3421 oil filter matches
Compare Fleetguard LF3421 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.
27 compatible options
| Specification | Searched filter Fleetguard LF3421 Reference filter | Fleetguard LF3420Best Match COMPATIBLE Bypass presence unknown on one or both filters · ADBV unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters · ADBV unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters · ADBV unknown on one or both filters | COMPATIBLE Bypass presence unknown on one or both filters · ADBV unknown on one or both filters |
|---|---|---|---|---|---|
| Thread size | 1-12 UNF-2B | 1-12 UNF-2B | 1-12 UNF-2B | 1-12 UNF-2B | 1-12 UNF-2B |
| Gasket OD | 71.98 mm | 71.98 mm | 71.88 mm | 71.88 mm | 70.1 mm |
| Gasket ID | 62.53 mm | 62.54 mm | 62.54 mm | 62.48 mm | 62 mm |
| Can OD | 94 mm | 96 mm | 96 mm | 95 mm | 94 mm |
| Height | 206 mm | 205 mm | 205 mm | 203 mm | 211 mm |
| Internal bypass valve | Unknown | Yes | No | No | No |
| Bypass PSID | Unknown | 19 | Not applicable | Not applicable | Not applicable |
| Anti-drainback valve | Unknown | Yes | No | No | Yes |
Other suitable matches
Sorted best-fit first. Dot rating summarizes relative fit without exposing the raw score. How matching is scored.
6
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
7
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
8
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
9
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
10
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
11
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
12
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
13
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
14
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
15
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
16
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
17
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY18
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY19
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY20
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY21
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
22
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
23
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
24
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
25
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY26
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY27
Bypass presence unknown on one or both filters · ADBV unknown on one or both filters
1.0/5.0
RISKY