Your 2003 4 cylinder 2.4L engine has an impressive 160HP output at 5,500 RPM.
Your 2.4 liter engine has a 9.7 compression ratio, double overhead cam, variable valve timing, and four valves per cylinder. This engine is complex and is an excellent candidate for premium protection with AMSOIL synthetic motor oil.
Below are the AMSOIL oil and filter recommendations for your 2003 ACCORD 2.4L 4-cylinder engine.
2003 HONDA ACCORD 2.4L 4-cyl Engine Code K24A1 K24A4
You need 4.4 quarts of AMSOIL 5W-20 Signature Series 100% Synthetic Motor Oil ALM-QT which can be found here:
You need an AMSOIL Synthetic Nano Fiber Oil Filter Ea15k13 which can be found at this link:
The nano fiber air filter is available for your Accord and the part number is EAA234. You can learn more about the AMSOIL air filters here:
To learn how to get the dealer pricing and the best location to get Amsoil for your Honda go to how to order Amsoil oil for your Honda
The AMSOIL signature series synthetic oil is the oil I have been using in my 1995 Honda Accord for the last 100,000 miles and its still running strong with over 200,000 miles on it...