C12H23 Solution is your trusted source for diesel truck and trailer parts — including engine parts, brakes, drums, filters, tires, accessories, additives, chemicals, and engine oils.

We’re dedicated to helping professionals work smarter with accurate cross-reference guides, verified product data, and access to premium brands like Shell Rotella, Mobil Delvac, Delo, and more.

Whether you’re an owner-operator, repair shop, or fleet manager, we deliver value, reliability, and integrity with every order. Shop online or request a custom wholesale quote tailored to your business.