Spring 16in Rear 5in OD

The EIBACH Spring 16in Rear 5in OD coil spring is a high-performance suspension component engineered for rear-axle applications requiring precise load control and consistent ride quality. This conventional steel coil spring delivers a spring rate of 125 lb/in, making it suitable for vehicles where a balanced compromise between comfort and handling is essential. The 5-inch outer diameter and 16-inch length configuration integrates seamlessly into modern suspension architectures designed to manage dynamic loads during acceleration, braking, and cornering.

Constructed from premium steel with a durable red powder coat finish, this EIBACH coil spring resists corrosion and oxidation in varied climates while maintaining structural integrity under repeated compression and extension cycles. The 125 lb/in spring rate defines how much force is required to compress the spring by one inch—a specification critical for suspension geometry and load distribution. The rear-axle design specifically optimizes vertical stiffness for the weight distribution typical of rear-suspension systems, where properly matched spring rates prevent excessive body roll and maintain tire contact with the road surface.

This replacement spring serves owners performing suspension maintenance, upgrades, or full system rebuilds who require OEM-equivalent or upgrade-level performance. Whether addressing worn springs that have lost load-bearing capacity or tuning suspension stiffness for specific vehicle dynamics, the EIBACH rear spring is specified by technicians who demand precise engineering over generic aftermarket alternatives. Individual spring replacement allows targeted correction of vehicle height and handling balance without replacing the entire suspension system.

Part number 1600.500.0125 is the EIBACH engineering designation for this specific spring geometry. When sourcing replacement springs, matching both the outer diameter and length with the original specification ensures proper installation clearance and suspension performance. The red powder coat is a protective finish standard across EIBACH's performance spring line, distinguishing genuine springs from counterfeit or lower-grade alternatives.