This is a replacement Oil Filter manufactured by K&N that is designed for the 451 model smart fortwo.
K&N Performance Gold® Oil Filters
Originally developed for demanding auto race applications, this premium automotive oil filter is rapidly becoming a favorite among consumers for its durability and easy removal.
Part #: HP-1008
These K&N Oil Filters Have Nuts
We have all been there: Whether it’s remembering where that disappearing canister tool is; or having oil leak all over your garage and yourself; or finally giving up and pounding a screwdriver through the filter just to get if off. The smart car oil filter comes with a 1” nut welded to the top of the canister so it can be easily wrenched-off with a standard tool.
Heavy-Duty Construction for Extreme Conditions
To satisfy the demands of racers, these oil filter has many features over and above the requirements of most vehicles. K&N uses thicker canister walls for extra strength and durability which reduces the risk of damage from loose rocks and debris. The heavy-duty construction will withstand higher oil pressures found only in racing environments without bursting. The drilled hole on the nut is for a safety wire attachment. Required for many types of racing, the safety wire prevents blown oil filters from falling on the track and representing a hazard to other race vehicles. This extra engineering offers peace of mind for consumers who want only the best.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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For over 50 years, K&N® has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity in thousands of vehicle applications for consumers worldwide. K&N® offers a wide range of performance products, including air intake systems, oil filters, cabin air filters, and home air filters, with a reputation for exceptional quality and customer service that millions of customers trust. Our creative spirit, passion for pushing limits, and innovative product design form the foundation of our brand.
