Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A vs WIX WL7503: Oil Filter Compatibility

Compare Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A and WIX WL7503 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.

Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A and WIX WL7503 specifications

How matching is scored

Specification	Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A View on Amazon	WIX WL7503
Thread size	3/4-16	3/4-16
Gasket OD	70 mm	70.99 mm
Gasket ID	62 mm	61.98 mm
Can OD	74.19 mm	77 mm
Height	86.36 mm	78 mm
Internal bypass valve	Yes	Yes
Bypass PSID	8 - 11	14
Anti-drainback valve	Yes	Yes

What matters in this specific comparison

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

Gasket OD differs by 1 mm (Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A: 70 mm, WIX WL7503: 70.99 mm).

Gasket ID is identical at 62 mm.

Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A is 8.4 mm taller (Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A: 86.36 mm, WIX WL7503: 78 mm) -- check clearance before substituting.

Can OD differs by 2.8 mm (Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A: 74.19 mm, WIX WL7503: 77 mm).

Both open their bypass valve in a comparable range: Mobil 1 (ExxonMobil / Mann+Hummel) M1-102A at 8-11 psi, WIX WL7503 at 14-14 psi -- these ranges do not overlap.

Open related filters

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