WIX4 Matches
51348
Thread3/4-16 UNF
Gasket OD70 mm (2.76 in)
Height86.4 mm (3.40 in)
Bypass Relief8–11 PSI (0.55–0.76 bar)
Oil Filter Cross-Reference Matrix
Spin-on and cartridge engine oil filters with bypass valve PSI & anti-drainback verification.
Verified Oil Filter Part References (4)
Fleetguard4 Matches
LF16015
Thread1-16 UN
Gasket OD102 mm (4.02 in)
Height176 mm (6.93 in)
Bypass Relief30 PSI (2.07 bar)
FRAM4 Matches
PH7317
ThreadM20x1.5
Gasket OD62 mm (2.44 in)
Height88 mm (3.46 in)
Bypass Relief13 PSI (0.90 bar)
FRAM5 Matches
PH8A
Thread3/4-16 UNF
Gasket OD72 mm (2.83 in)
Height131 mm (5.16 in)
Bypass Relief8–11 PSI (0.55–0.76 bar)
Technical Reference Standard
Oil Filter Interchange & Hydraulic Clearance Guide
Bypass relief valve PSI, anti-drainback silicone valves, and micron filtration standards.
1
Bypass Valve Differential PSI
When cold oil or excessive sludge restricts media flow, the bypass valve opens to ensure engine lubrication. Variances greater than 5 PSI from OEM specs risk either starved lubrication or unfiltered oil circulation.
2
Anti-Drainback Valve (ADBV)
Silicone anti-drainback valves retain oil inside the filter body when the engine stops. Essential for horizontally mounted and inverted filters to eliminate dry start wear.
3
Gasket Profile & OD Clearance
Even when thread sizes match (e.g. 3/4-16 UNF), a gasket with a 2 mm outer diameter discrepancy can fail to seal against the engine mounting pad, causing catastrophic oil blowout.
4
Micron Retention Rating (Beta Ratio)
Premium synthetic media filters capture 99% of particulate at 20 microns (Beta ratio >= 100), whereas basic cellulose blends capture particles at 35-40 microns.
Frequently Asked Questions
Oil Filter Interchange FAQ
Is a filter with the same thread size always safe to use?
No. Filters sharing a 3/4-16 or M20x1.5 thread may have vastly different bypass valve pressures (e.g. 8 PSI vs 32 PSI) and different gasket seating diameters.
What is the difference between synthetic and cellulose filter media?
Cellulose media consists of natural wood fibers with irregular pore sizes. Synthetic micro-glass media features uniform fiber diameters that flow easier while trapping smaller contaminants.
How critical is the anti-drainback valve on inverted filter mounts?
Extremely critical. Without a functioning ADBV, oil drains back into the sump, requiring 2 to 5 seconds of oil pressure build-up during every cold engine start.
Can I use a larger capacity oil filter if it shares the same thread and gasket?
Yes, provided physical clearance from chassis components and steering linkages exists. Increased canister volume provides additional filtration surface area and oil capacity.
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