Buying used auto parts online can save money, but it also exposes you to scams and low-quality components. This guide explains how to identify the correct part, verify sellers, spot red flags, use safe payment methods, and inspect deliveries—ensuring you get reliable used auto parts without risking your money or safety.

A breakdown-free used car starts with the right preparation and the right spare parts. This guide explores the top 10 essential components every second-hand car buyer should inspect or replace—brakes, filters, tires, sensors, suspension, and more—to ensure reliability, reduce repair costs, and keep your vehicle running smoothly for the long term.

The P0430 code signals “Catalyst Efficiency Below Threshold” on Bank 2, often caused by a failing catalytic converter, faulty sensors, or exhaust leaks. This guide explains how to diagnose the issue and effectively resolve it using a certified used catalytic converter, including selection tips, installation steps, and long-term maintenance to prevent the code from returning.

“Reduced Engine Power” is your car’s safety mode that activates when the ECU detects a fault. It limits acceleration to prevent engine or transmission damage. Common causes include faulty sensors, throttle body issues, wiring faults, fuel or exhaust problems, and overheating. Quick diagnosis and timely repair are crucial to restore performance and avoid costly long-term damage.