Champ PH2816 vs NAPA Gold 1085: Oil Filter Compatibility

Compare Champ PH2816 and NAPA Gold 1085 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

COMPATIBLEMatch score: 78.5

Closest known dimensional difference: height -39.2 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.

Champ PH2816 and NAPA Gold 1085 specifications

How matching is scored
Specification
Champ PH2816
NAPA Gold 1085
Thread size3/4-163/4-16
Gasket OD63 mm63 mm
Gasket ID52.1 mm55.1 mm
Can OD93.73 mm93 mm
Height136.65 mm97.43 mm
Internal bypass valveYesYes
Bypass PSID118 - 11
Anti-drainback valveYesYes

What matters in this specific comparison

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

Gasket OD is identical at 63 mm.

Gasket ID differs by 3 mm (Champ PH2816: 52.1 mm, NAPA Gold 1085: 55.1 mm).

Champ PH2816 is 39.2 mm taller (Champ PH2816: 136.65 mm, NAPA Gold 1085: 97.43 mm) -- check clearance before substituting.

Can OD differs by 0.7 mm (Champ PH2816: 93.73 mm, NAPA Gold 1085: 93 mm).

Both open their bypass valve in a comparable range: Champ PH2816 at 11-11 psi, NAPA Gold 1085 at 8-11 psi.

Open related filters

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