Parts Guides

Automotive spark plugs in common electrode and insulator styles
How Often Should You Change Spark Plugs?
Change spark plugs at the interval in your vehicle owner’s manual or maintenance schedule. Depending on engine design and plug material, that can range from roughly 30,000 miles for some... Read more...
Brake rotors including vented, drilled and slotted disc designs
Do You Need to Replace Rotors With Brake Pads?
No. Brake rotors do not automatically need replacement every time brake pads are changed. Reuse is reasonable only when each rotor remains above its service limit, has an acceptable surface,... Read more...
Brake rotors including vented, drilled and slotted disc designs
How Long Do Brake Rotors Last?
Learn how to evaluate brake rotor life, wear and replacement timing for your vehicle. Read more...
Ceramic vs. Semi-Metallic Brake Pads: Which Are Better? - AutoPartsGear brake pads guide
Ceramic vs. Semi-Metallic Brake Pads: Which Are Better?
Compare ceramic and semi-metallic brake pads for noise, dust, heat, towing, daily driving, rotor wear, and overall value. Read more...
How Do You Know When Brake Pads Need to Be Replaced? - AutoPartsGear brake pads guide
How Do You Know When Brake Pads Need to Be Replaced?
Learn the warning signs of worn brake pads, which symptoms need prompt inspection, and when a brake problem means you should stop driving. Read more...
How Long Do Brake Pads Last? - AutoPartsGear brake pads guide
How Long Do Brake Pads Last?
Most brake pads last roughly 25,000 to 70,000 miles, but driving conditions, vehicle weight, pad material, and brake-system condition determine their actual lifespan. Read more...