2016–2022 Chevrolet Colorado 2.8L LWN Duramax Diesel. 2016–2022 GMC Canyon 2.8L LWN Duramax Diesel. Made in the USA from corrosion-resistant 6061-T6 aluminum, this cap features a blue anodized finish, built-in magnet for fuel door storage, and a chemical-resistant Viton O-ring for a leak-free seal.
