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Welcome to Source One Auto Parts!

Welcome to Source One Auto Parts!

Coil & Leaf Spring

Shop New OEM coil springs and leaf spring components for GM vehicles. Our factory-original suspension springs are sourced from GM surplus — calibrated to the exact spring rate, free length, and ride height specification for your vehicle's weight and suspension tuning.

Spring rate affects every aspect of vehicle dynamics — ride quality, handling, and load capacity. OEM springs maintain the factory-specified ride height and spring rate that your vehicle's steering geometry and shock absorber valving were designed around.

Always replace springs in matched pairs (both fronts or both rears) to maintain balanced suspension geometry. Verify part numbers against your vehicle's suspension option codes before ordering.

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