Lesjofors 4121201 Coil Spring - Front

Front Coil Spring for Dodge D50 and Ram 50

Lesjofors 4121201 is a front coil spring for select Dodge D50 and Dodge Ram 50 trucks. It is built for vehicles with and without air conditioning, including heavy-duty front spring applications where correct ride height and load support matter.

Key Features

• Front coil spring for select Dodge D50 and Ram 50 applications
• Seat included: No
• Manufactured from high-strength steel
• Heat treated, shot peened, zinc phosphate coated, and epoxy powder coat painted
• Pre-set and tested for consistent spring performance
• OE-quality replacement spring from Lesjofors

Fitment Details

• Fits 1983-1990 Dodge Ram 50, front, heavy duty coil spring for vehicles with air-conditioning.
• Fits 1983-1990 Dodge Ram 50, front, designed for vehicles without air conditioning.
• Fits 1979-1981 Dodge D50, front, compatible with vehicles equipped with air conditioning.
• Fits 1979-1981 Dodge D50, front, coil spring for vehicles without air conditioning.

Product Description

Lesjofors 4121201 is engineered as an OE-quality replacement coil spring for the front suspension on Dodge D50 and Dodge Ram 50 models. Lesjofors uses controlled manufacturing steps including heat treatment, shot peening, zinc phosphate coating, epoxy powder coating, and pre-setting to help maintain spring rate and corrosion resistance. This part number, 4121201, is a direct-fit suspension spring choice for restoring front-end support on these trucks.

This part cross-references CSF 2278 for the same application.

Common Repair Uses

• Restoring front ride height on a Dodge D50 or Ram 50
• Replacing a sagging or fatigued front coil spring
• Addressing uneven front stance after spring wear
• Correcting front suspension support on air-conditioned and non-air-conditioned trucks
• Returning proper load-carrying behavior to the front suspension

Installation Notes

Verify the vehicle’s year, model, and front suspension configuration before installation. Because this is a front coil spring, suspension compression tools and proper safety procedures are required during removal and installation. Confirm that the spring seat condition matches the application, since seat included is listed as no.

Quality Assurance

Lesjofors manufactures replacement springs to meet or exceed OE quality standards. The brand has a long history in spring production and supplies OE springs for a range of performance and production vehicles, supporting consistent material and process control in parts like 4121201.