The L87 engine is a GM 6.2L V8 powerplant used in select Chevrolet and GMC trucks and SUVs. It is designed to deliver strong performance for everyday driving, hauling, and towing applications. If your vehicle needs an engine replacement, a used L87 engine may provide an alternative to purchasing a new unit. Before ordering, verify the engine code, model year, vehicle application, and drivetrain configuration. Compatibility is important because components and electronic systems can vary between applications. Ask about the donor vehicle, recorded mileage, maintenance history, and available inspection information. Confirm whether the intake manifold, fuel system components, wiring harness, sensors, and accessories are included. Also consider ECU compatibility, programming requirements, shipping, and installation expenses. A qualified mechanic can check fitment and identify any additional components needed. Reviewing these details before purchase can help you select a suitable replacement for your vehicle.