LEXUS 48630-39085 Front Left Upper Control Arm A989

( Manufacturer Part Number: 48630-39085 ), ( Part Type: Control Arm ), ( Part Category: Control-arm-upper-fl ), ( Storage Location: 16f-s3-b05 ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Part Source: Genuine Oem ), ( Name: Control-arm-upper-front ), ( Manufacturer Warranty: 90 Day )

Review LEXUS Front Left Upper Control Arm Oem fits GS350 RWD 2007–2011

The **Lexus 48630-39085 Front Left Upper Control Arm (RWD, A989, 2007 2011 GS 350)** is a precision-engineered suspension component designed to deliver the refined handling and stability synonymous with Lexus s luxury performance vehicles. This high-quality, direct-fit replacement part is meticulously crafted to match the exact specifications of the original equipment, ensuring seamless integration with the 2007 through 2011 model-year GS 350 rear-wheel-drive (RWD) chassis, identified by the A989 platform. Constructed from durable, high-grade steel, the control arm features a robust, ball-joint-equipped design that maintains optimal alignment and load-bearing capacity, even under demanding driving conditions. The upper mounting point is reinforced to withstand the lateral forces generated during aggressive cornering, while the integrated bushings provide a balance of flexibility and rigidity, reducing unnecessary wear on the steering and suspension system. This component is essential for preserving the GS 350 s signature blend of comfort and precision, as it plays a critical role in controlling wheel movement, minimizing body roll, and enhancing overall road-hugging capability. Whether restoring a classic Lexus to factory specifications or upgrading an existing suspension setup, this control arm ensures reliable performance, longevity, and the confidence of a direct OEM replacement.

### **Pros and Cons of buying a Lexus 48630-39085 (2007 2011 GS 350 Front Left Upper Control Arm, RWD, A989)**

1. **Direct OEM Replacement** This part is a genuine Lexus factory replacement, ensuring a perfect fit and compatibility with the 2007 2011 GS 350. It eliminates concerns about aftermarket parts that may not align correctly or wear prematurely.

2. **High-Quality Materials** Lexus uses durable materials in its control arms, which are designed to withstand the stresses of daily driving, especially in vehicles known for their refined suspension systems.

3. **Reliability** Lexus parts are built to last, reducing the risk of premature failure compared to cheaper aftermarket alternatives. This can save time and money in the long run if installed correctly.

4. **Warranty Coverage** If purchased from an authorized Lexus dealer or a reputable supplier, this part may come with a warranty, providing peace of mind against defects.

5. **Maintains Vehicle Value** Using OEM parts helps preserve the resale value of the GS 350, as it keeps the vehicle in optimal condition with no mixed aftermarket components.

6. **Compatibility with Suspension Tuning** Since the GS 350 is a performance-oriented luxury sedan, having a genuine control arm ensures that any suspension modifications (e.g., stiffer springs, sway bars) will integrate properly without binding or misalignment.

1. **Higher Cost** OEM parts are significantly more expensive than aftermarket alternatives. The price of this specific control arm may be double or more than a generic replacement, depending on the supplier.

2. **Limited Availability** Genuine Lexus parts can sometimes be harder to source, especially if buying from a non-dealer supplier. Shipping times may be longer compared to aftermarket parts, which are often stocked in warehouses.

3. **Potential for Overkill** If the control arm is only worn due to minor wear (e.g., slight rust or bushings), replacing it with a new OEM part may be excessive unless there are clear signs of failure (e.g., clunking noises, excessive play, or misalignment).

4. **Installation Complexity** Replacing a control arm requires removing the wheel, disconnecting the steering linkage, and often adjusting the track bar or other suspension components. If the buyer lacks mechanical experience, labor costs at a shop may offset the savings of using aftermarket parts.

5. **No Significant Performance Gain** Unlike performance-oriented parts (e.g., coilovers or sway bars), replacing a worn control arm primarily addresses safety and handling stability rather than performance. If the arm is not failing, the upgrade may not provide noticeable benefits.

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### **Conclusion**

The **Lexus 48630-39085 front upper control arm (2007 2011 GS 350)** is a high-quality, reliable OEM part that is ideal for owners who prioritize authenticity, long-term durability, and maintaining their vehicle s integrity. It is the best choice if:

- The current control arm is visibly damaged, worn, or causing handling issues.

- The buyer wants to avoid aftermarket parts and ensure a perfect fit.

- The vehicle is being prepared for sale or restoration, where OEM components add value.

However, if the control arm is only slightly worn or the budget is tight, an aftermarket part of comparable quality (e.g., from a reputable brand like Mezirow or Monroe) could be a cost-effective alternative. The decision ultimately depends on the severity of the issue, the buyer s mechanical comfort level, and their willingness to invest in genuine components.

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### **Recommendation**

- You have confirmed that the control arm is failing (e.g., clunking, misalignment, or visible damage).

- You value long-term reliability and are willing to pay the premium for a factory replacement.

- You plan to perform other suspension work or maintain the vehicle s original specifications.

- The control arm is only lightly worn and the issue is minor (e.g., rusted bushings that can be replaced separately).

- You are on a tight budget and can find a high-quality aftermarket part with good reviews.

- You are comfortable with installation and can verify the aftermarket part s compatibility.

For most GS 350 owners, the OEM part is the safest and most future-proof choice, especially if the vehicle is a daily driver or a project car intended for long-term use. Always inspect the part upon arrival and ensure it matches the vehicle s specifications before installation.

Details:

God Bless You. May have wear and tear, Color: Images: All images are of the actual item.

part #: 4863039085 prices

• $65.04-$440.99

specifications suspensiosteeri:

• for models: Gs350, Rwd
• for makes: Lexus
• for years: 2007-2011
• mpn: 48630-39085
• part type: Control Arm
• part category: Control-arm-upper-fl
• storage location: 16f-s3-b05
• fitment type: Direct Replacement
• genuine oem: Yes
• part source: Genuine Oem
• name: Control-arm-upper-front
• manufacturer warranty: 90 Day

general suspensiosteeri:

• Car Truck Parts Accessories > Steering Suspension > Control Arms, Ball Joints Assemblies
• condition: Used

offer suspensiosteeri:

• best offers: True
• quantity: 1
• started: June 5, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

returns suspensiosteeri:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

shipping suspensiosteeri:

• class: Expedited, Standard
• service: USPS Priority Mail Medium Flat Rate Box, FedEx Ground / FedEx Home Delivery
• type: Fixed
• cost: $0.00
• carrier: USPS, FedEx
• transit: 4-10 Days

payments suspensiosteeri:

• wallet: Apple-pay
• other
• credit card: Diners-club

seller suspensiosteeri:

• city: Rancho Cordova, California
• # reviews: 29875
• rating: 99.7%

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