Fleetguard LF3644 Oil Filter Cross Reference

Use this page to compare the Fleetguard LF3644 with potentially compatible oil filters from other brands. Review thread size, gasket dimensions, overall height, and fitment notes before substituting. A cross reference is a research tool, not an automatic guarantee of fitment.

Before substituting: verify filter style, thread size or cartridge dimensions, gasket dimensions, height, clearance, and application-specific requirements.

Best equivalent matches

The searched filter is shown alongside the four strongest alternatives currently in the database. Compare dimensions, thread details, and compatibility notes before deciding whether a substitute may be appropriate.

12 total results
Specification
Searched filter
Fleetguard LF3644
Reference filter
Overall match: 93%
SAFE
Overall match: 90%
SAFE
Overall match: 90%
SAFE
Overall match: 90%
SAFE
Thread sizeM20x1.5
M20x1.5
M20x1.5
M20x1.5
M20x1.5
Gasket OD62 mm
63 mm
87%
63 mm
87%
62.87 mm
89%
62.87 mm
89%
Gasket ID54 mm
54 mm
100%
55.1 mm
80%
55.19 mm
78%
55.19 mm
78%
Gasket overlapReference
Compared to base
100%
Compared to base
100%
Compared to base
100%
Compared to base
100%
Height87 mm
86 mm
100%
86.41 mm
100%
86.41 mm
100%
86.41 mm
100%
Bypass PSID14.5
14
70%
12 - 15
75%
12 - 15
75%
13 - 19
75%
Anti-drainback valveYes
Yes
100%
Yes
100%
Yes
100%
Yes
100%
ID topUnknown
Unknown
N/A
Unknown
N/A
Unknown
N/A
Unknown
N/A
ID bottomUnknown
Unknown
N/A
Unknown
N/A
Unknown
N/A
Unknown
N/A

Other suitable matches

Large gasket OD variation · Large gasket ID variation
90%
match
SAFE
Large gasket OD variation · Large gasket ID variation
90%
match
SAFE
Large gasket OD variation · Large gasket ID variation
89%
match
SAFE
Large gasket OD variation · Large gasket ID variation
88%
match
SAFE

Related compatible filter pages

Frequently asked questions

What replaces Fleetguard LF3644?

Several oil filter alternatives may be compatible with Fleetguard LF3644, but you should always verify thread dimensions, gasket sealing dimensions, bypass behavior, anti-drainback valve requirements, and installation clearance before substituting.

How do I confirm a cross reference for Fleetguard LF3644?

Compare thread size, thread pitch, gasket outside diameter, gasket inside diameter, can height, bypass pressure range, and anti-drainback valve requirements before using a substitute.

Can I use a different-size oil filter instead of Fleetguard LF3644?

Sometimes, but only if thread compatibility, gasket seating, bypass behavior, and physical clearance are all acceptable for the application.

More Fleetguard filters