WIX 51334 vs Baldwin B179: Oil Filter Compatibility

Compare WIX 51334 and Baldwin B179 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 M20x1.5 thread.

Quick verdict

COMPATIBLEMatch score: 88

Closest known dimensional difference: height -10 mm. Verify application-specific requirements before substituting.

  • 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.

WIX 51334 and Baldwin B179 specifications

How matching is scored
Specification
WIX 51334
Baldwin B179
Thread sizeM20x1.5M20x1.5
Gasket OD62.87 mm64 mm
Gasket ID55.19 mm54.1 mm
Can OD80 mm76.2 mm
Height82.25 mm72.2 mm
Internal bypass valveYesYes
Bypass PSID8 - 118
Anti-drainback valveYesYes

What matters in this specific comparison

Thread size matches: both are M20x1.5.

Gasket OD differs by 1.1 mm (WIX 51334: 62.87 mm, Baldwin B179: 64 mm).

Gasket ID differs by 1.1 mm (WIX 51334: 55.19 mm, Baldwin B179: 54.1 mm).

WIX 51334 is 10 mm taller (WIX 51334: 82.25 mm, Baldwin B179: 72.2 mm) -- check clearance before substituting.

Can OD differs by 3.8 mm (WIX 51334: 80 mm, Baldwin B179: 76.2 mm).

Both open their bypass valve in a comparable range: WIX 51334 at 8-11 psi, Baldwin B179 at 8-8 psi.

Open related filters

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

51334 vs B179 Oil Filter Comparison | Filter-Match