Bilstein 51-304676 B8 Upper Control Arms for 14-18 Chevy Silverado/Sierra 1500

Vehicle Fitment

• 2014-2018 Chevrolet Silverado 1500 (2WD/4WD; gas V6/V8; all trims)
• 2019 Chevrolet Silverado 1500 LD (2WD/4WD; gas V6/V8; all trims)
• 2014-2018 GMC Sierra 1500 (2WD/4WD; gas V6/V8; all trims)
• 2019 Chevrolet Silverado 1500 Limited (2WD/4WD; gas V6/V8; all trims)

Fitment Notes

• Front upper control arm replacement--pair of arms
• Not compatible with lift spacer-only setups
• Compatible with stock or lifted shocks/coils (B6-4600, B8-5100, coilovers)
• Re-use OEM spindles; not for use with forged OEM arms

Features

• CAD-designed tubular 4130 chromoly steel arms add strength with reduced weight
• Inserted greasable polyurethane bushings enhance durability and articulation
• Heavy-duty ball joints improve steering precision and longevity
• Correct caster angle for lifted trucks--maintains alignment specs
• Black powder-coat finish resists corrosion
• Includes all hardware and grease fittings for easy maintenance
• Compatible with Bilstein B8 shocks and other coil-over kits
• Direct bolt-in installation--OEM mounting locations retained

Specifications

• Part Number: 51-304676
• Position: Front upper control arms--pair
• Material: 4130 chromoly tubular steel; Finish: Tyre-safe black powder coat
• Bushings: Greasable polyurethane; Ball Joints: Heavy-duty OEM-style
• Weight: Approx 35 lb per pair
• Made in USA; Limited lifetime warranty

Included Components

• 2x Front upper tubular control arms with pre-installed bushings
• 2x Heavy-duty ball joints
• 4x Grease fittings and washers
• All necessary mounting hardware (bolts, nuts, washers)
• Installation and torque spec instruction sheet

Product Description

The Bilstein 51-304676 B8 Series front upper control arm kit is engineered for 2014-2019 Chevrolet Silverado 1500 (including 1500 LD and 1500 Limited) and GMC Sierra 1500 trucks. Crafted from 4130 chromoly tubular steel, these arms strengthen lifted suspensions while maintaining proper caster angle and suspension geometry.

Equipped with greasable polyurethane bushings and heavy-duty ball joints, this kit improves steering stability, articulation, and component longevity. Designed to work with stock or lifted shocks and coil-overs (including Bilstein B6 and B8), the bolt-in installation preserves OEM mounting and spindle compatibility. Backed by a limited lifetime warranty and made in the USA for performance and reliability.