LUBER-FINER LFP1 vs Fleetguard LF3659: Oil Filter Compatibility

Compare LUBER-FINER LFP1 and Fleetguard LF3659 oil filters by compatibility, dimensions, thread size, gasket fit, bypass valve, anti-drainback valve status, and match confidence. Use this comparison as a fitment review, not as an automatic substitution guarantee. Both use a 3/4-16 thread.

Quick verdict

RISKY

Both use a 3/4-16 thread.

  • Thread size is the first hard-fit check for any comparison of spin-on filters.
  • Gasket OD and gasket ID are the most important seal-related dimensions.
  • Height differences can matter for clearance even when thread and gasket fit appear close.
  • Bypass and anti-drainback differences may be important, depending on the application.

LUBER-FINER LFP1 and Fleetguard LF3659 specifications

How matching is scored
Specification
LUBER-FINER LFP1
Fleetguard LF3659
Thread size3/4-16UNF3/4-16 UNF-2B
Gasket OD70 mm70 mm
Gasket ID61 mm62 mm
Can OD97 mm94 mm
Height131 mm116 mm
Internal bypass valveNoUnknown
Bypass PSIDNot applicableUnknown
Anti-drainback valveNoYes

What matters in this specific comparison

Thread size matches: both are 3/4-16.

Gasket OD is identical at 70 mm.

Gasket ID differs by 1 mm (LUBER-FINER LFP1: 61 mm, Fleetguard LF3659: 62 mm).

LUBER-FINER LFP1 is 15 mm taller (LUBER-FINER LFP1: 131 mm, Fleetguard LF3659: 116 mm) -- check clearance before substituting.

Can OD differs by 3 mm (LUBER-FINER LFP1: 97 mm, Fleetguard LF3659: 94 mm).

Anti-drainback valve differs: Fleetguard LF3659 has one, LUBER-FINER LFP1 does not.

Open related filters

Before substituting, verify thread fit, gasket sealing dimensions, height clearance, bypass behavior, and anti-drainback requirements for your specific application.

LFP1 vs LF3659 Oil Filter Comparison | Filter-Match