Wix 57040 Engine Oil Filter

WIX 57040 Oil Filter for Smart Fortwo

The WIX 57040 engine oil filter is built for OE-style oil service on select Smart Fortwo models. It uses cellulose media, an anti-drain back valve, and an 8 psi bypass relief setting to support clean oil flow during normal commuting and severe driving conditions.

Key Features

• Spin-on lube filter design for straightforward oil filter replacement
• Cellulose filter media for dependable contaminant capture
• Anti-drain back valve helps reduce dry starts after shutdown
• Bypass relief valve setting: 8 psi
• Flow rate: 8-10 GPM
• Thread size: 20 x 1.5 mm
• Height: 2.075 in; outer diameter top: 2.815 in
• Recommended for conventional, synthetic, and synthetic-blended motor oils

Detailed Description

WIX 57040 is an engine oil filter for drivers who want OE-recommended service intervals and consistent filtration performance. WIX states this filter is suited for normal and severe use, including stop-and-go traffic, short trips, dirt roads, construction areas, and highway travel. It is also listed for select Smart Fortwo applications, including 2008-2015 Smart Fortwo models, with OE reference numbers such as 1321800010 and A1321800010. This part cross-references FRAM PH11016 and NAPA Gold Filters 7040 for the same application.

What It Helps Address

• Excess dirt and contaminants in engine oil
• Oil drain-back after shutdown that can contribute to dry starts
• Reduced filtration performance during extended service intervals
• Routine oil service needs on Smart Fortwo engines
• Oil flow demands in stop-and-go and severe driving conditions

Installation Notes and Tips

Verify the thread size, filter height, and OE reference before installation. Replace the filter during the oil change interval recommended by the vehicle manufacturer, and confirm the sealing surface is clean before tightening the new filter. For Smart Fortwo fitment, use the vehicle’s model year and OE part number to confirm application details before ordering.

Quality Assurance

WIX publishes laboratory test performance data for this filter family and recommends service intervals that follow OEM oil and filter change schedules, typically 3,750 to 10,000 miles and not more than 12 months. The WIX 57040 is engineered for dependable filtration in everyday driving and severe service conditions.