Lesjofors 4127578 Coil Spring - Front

Reliable Coil Spring Replacement for Ford Trucks and Vans

The Lesjofors coil spring part number 4127578 is designed for select Ford models including Bronco, F-100, F-150, F-250, F-350, and E-Series Econoline vans. This coil spring provides consistent suspension support without a seat included, making it suitable for direct replacement in compatible vehicles.

• Compatible with Ford Bronco, F-100, F-150, F-250, F-350, and E-100/E-150 Econoline models
• Part number 4127578 ensures precise fitment and performance
• Coil spring design supports vehicle suspension and load handling
• No seat included, designed for use with existing suspension components
• Manufactured by Lesjofors, a trusted name in suspension parts

Product Details and Specifications

This Lesjofors coil spring (4127578) is engineered to meet the suspension requirements of various Ford trucks and vans. It is a direct replacement coil spring without an included seat, intended for vehicles that already have the necessary spring seats installed. The spring is constructed to maintain proper ride height and absorb road shocks, contributing to vehicle stability and handling. Compatible with Ford Bronco, F-100, F-150, F-250, F-350, and E-100 and E-150 Econoline vans, this coil spring supports the suspension system in both light-duty and heavy-duty applications.

Common Suspension Issues Addressed

• Worn or sagging coil springs causing uneven ride height
• Reduced suspension performance leading to poor handling
• Excessive body roll or instability during cornering
• Noise or vibration from damaged or fatigued springs
• Restoring proper suspension geometry after component replacement

Installation Notes and Tips

When installing the Lesjofors coil spring 4127578, ensure the vehicle is securely lifted and supported. Since this coil spring does not include a seat, verify that the existing spring seats are in good condition and compatible. It is recommended to replace coil springs in pairs to maintain balanced suspension performance. Professional installation is advised to ensure proper alignment and torque specifications are met.

Quality Assurance and Warranty

Lesjofors manufactures suspension components to meet industry standards for durability and performance. The coil spring 4127578 undergoes rigorous quality control to ensure consistent material strength and dimensional accuracy. While specific warranty details may vary, Lesjofors products typically come with a limited warranty against manufacturing defects. Consult product documentation or authorized sources for exact warranty terms.