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Bilstein
B8 Control ArmsBilstein 51-304690 Suspension Control Arm Kit - Front Upper
| Brand | Bilstein 51-304690 |
|---|---|
| Position | Front Upper |
| Arm Design | Tubular |
| Arm Inner Pivot Type | Greasable black urethane bushings |
| Arm Material | 4130 chromoly tubing |
| Arm Outer Pivot Type | Greasable sealed ball joint |
| Finish | Powder-coated black |
| Kit Contents | Pair of upper control arms with ball joints, mounting hardware, b |
| Series | B8 control arms |
| Title | Bilstein shock absorbers |
| Product line | B8 Control Arms |
| Fits | Lexus and Toyota · 51 vehicles |
Direct-fit upgrade. Replaces factory upper control arms with a suspension-focused design.
Serviceable construction. Greasable bushings and ball joints reduce maintenance demands.
Tubular chromoly build. 4130 steel and black powder coating add strength and corrosion resistance.
Cross-references 51304690 for the same application. See all 1.
$741.00Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
$741.00
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Suspension Control Arm Kit options
Bilstein B8 Control Arms
Bilstein B8 Control Arms part number 51-304690 are direct-fit upper control arms for lifted truck and SUV suspensions. They are built to improve caster alignment, increase wheel travel, and reduce joint stress while maintaining a serviceable design.
Key Features
- Tubular 4130 chromoly steel construction with a black powder-coated finish.
- Greasable polyurethane inner bushings for reduced maintenance.
- Greasable sealed ball joints for durable articulation.
- Direct-fit upgrade for factory upper control arms.
- Compatible with Bilstein shocks and coilover kits.
- Replaceable components for long-term serviceability.
Detailed Description
Bilstein 51-304690 is part of the B8 Control Arms line, engineered for suspension setups that need corrected geometry after a lift. The tubular arm design provides additional spring and shock clearance, while the revised pivot angles help improve straight-line stability and suspension movement. This part is a strong fit for Toyota 4Runner, Lexus GX460, Toyota FJ Cruiser, and Lexus GX470 applications that require a front upper control arm solution.
This part cross-references 51304690 for the same application.
What It Helps Solve
- Incorrect caster after suspension lift changes.
- Reduced wheel travel from poor arm geometry.
- Excess stress on control arm joints and bushings.
- Limited clearance around springs and shocks.
- Service issues from non-replaceable wear components.
Installation Notes and Tips
Fits 2003-2024 Toyota 4Runner, Front Upper. Fits 2010-2023 Lexus GX460, Front Upper. Fits 2007-2014 Toyota FJ Cruiser, Front Upper. Fits 2003-2009 Lexus GX470, Front Upper. Notes indicate a maximum 5-inch wheel backspacing requirement. Detailed instructions and necessary hardware are included in the kit.
Quality Assurance
B8 Control Arms are built with replaceable components and serviceable pivot points for ongoing maintenance. Bilstein part number 51-304690 is designed as a direct-fit suspension upgrade for supported applications.
This part fits 51 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2024 | Toyota | 4Runner | TRD Pro | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2023 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2023 | Toyota | 4Runner | TRD Sport | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2022 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2022 | Toyota | 4Runner | Venture | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2021 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2021 | Toyota | 4Runner | Venture | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2020 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2020 | Toyota | 4Runner | Venture | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2019 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2019 | Toyota | 4Runner | TRD Pro | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2018 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2018 | Toyota | 4Runner | TRD Pro | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2017 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2017 | Toyota | 4Runner | TRD Pro | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2016 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2016 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2015 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2015 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2014 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2014 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2014 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2013 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2013 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2013 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2012 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2012 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2012 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2011 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2011 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2011 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2010 | Lexus | GX460 | Premium | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2010 | Toyota | 4Runner | Trail | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2010 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2009 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2009 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2009 | Toyota | FJ Cruiser | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2008 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2008 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2008 | Toyota | FJ Cruiser | Trail Teams Special Edition | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2007 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2007 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2007 | Toyota | FJ Cruiser | TRD Special Edition | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2006 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2006 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2005 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2005 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2004 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2004 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2003 | Lexus | GX470 | Base | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
| 2003 | Toyota | 4Runner | SR5 | Front Upper | Requires wheels with maximum 5" backspacing; B8 Control Arms |
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Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
51304690