WIX 51083 vs FRAM PH5831: Oil Filter Compatibility

Compare WIX 51083 and FRAM PH5831 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.

Quick verdict

COMPATIBLEScore: 89

Large gasket OD variation · Large gasket ID variation

  • 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 51083 and FRAM PH5831 specifications

Specification
WIX 51083
FRAM PH5831
Thread sizeM20x1.5M20X1,5
Gasket OD69.44 mm72 mm
Gasket ID61.72 mm62 mm
Can OD74.19 mm76 mm
Height86.46 mm90 mm
Internal bypass valveYesYes
Bypass PSID8 - 1112
Anti-drainback valveYesYes

What matters most in this comparison?

Thread match: A direct spin-on substitute starts with the same thread size. If the threads differ, the comparison stops there.

Gasket fit: Even when thread size matches, the gasket outside diameter and inside diameter still control whether the filter seals safely against the mounting surface.

Height difference: Small height differences may be acceptable, but longer filters can create clearance problems in tighter installations.

Valve behavior: Bypass and anti-drainback differences can matter in real-world service, especially on cold start or in applications sensitive to oil drain-back.

Related filter pages

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