Bilstein 51-304683 Suspension Control Arm Kit - Front Upper

Bilstein B8 Control Arms for Tacoma

Bilstein B8 Control Arms are a direct-fit upper control arm upgrade for lifted trucks and SUVs. For the Toyota Tacoma, this kit helps correct caster alignment, improve straight-line stability, and reduce stress on suspension joints while adding clearance for springs and shocks.

Key Features

• Direct replacement for factory upper control arms
• 4130 chromoly tubing with black powder-coated finish
• Tubular arm design for added spring and shock clearance
• Greasable black urethane inner pivot bushings
• Greasable sealed ball joint outer pivot
• Improved pivot angles for increased wheel travel
• Replaceable components for serviceability
• Compatible with Bilstein shocks and coilover kits

Product Details

The Bilstein B8 Control Arms line is built for suspension setups that need corrected geometry after a lift. Part number 51-304683 is engineered for 2005-2023 Toyota Tacoma front upper applications and is intended to restore proper caster alignment for more stable highway tracking. The tubular 4130 chromoly construction and black powder-coated finish provide a durable structure, while the greasable polyurethane bushings and heavy-duty ball joints support consistent articulation with minimal maintenance. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Fits 2005-2023 Toyota Tacoma, front upper. Requires wheels with maximum 5" backspacing.

Common Issues Addressed

• Reduced caster after a suspension lift
• Loose or unstable straight-line tracking
• Limited wheel travel from factory arm geometry
• Added stress on upper control arm joints
• Reduced spring and shock clearance in lifted setups

Installation Notes and Tips

Install 51-304683 on the front upper position and follow the included instructions for proper setup. After installation, perform a professional alignment to verify caster and camber settings. Confirm wheel backspacing before installation; this application requires wheels with a maximum 5" backspacing. The Tacoma fitment for this part is 2005-2023 Toyota Tacoma, front upper.

Quality Assurance

Bilstein designs the B8 Control Arms series as a serviceable suspension upgrade with replaceable components, greasable pivot points, and heavy-duty joint construction for long-term use.