fits model: Is250, Is300, Is350. make: Lexus. year: 2014–2020.

( Manufacturer Part Number: 4864030300 ), ( Part Type: Control Suspension Arm ), ( Placement On Vehicle: Front, Left, Lower ), ( Material: Steel ), ( Features: Durable, Easy Installation ), ( Fitment Type: Direct Replacement ), ( Vintage Part: No ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: Japan )
The **Lexus 4864030300 Front Lower Suspension Control Arm** (compatible with the **IS250, IS300, and IS350 models from 2014 to 2020**) is a precision-engineered component designed to maintain optimal handling, stability, and ride comfort in these sophisticated luxury sedans. Crafted from high-grade materials and built to Lexus exacting standards, this suspension arm plays a critical role in the vehicle s alignment and shock absorption system, ensuring smooth transitions over uneven roads while preserving the car s precise steering response and weight distribution. The arm features a robust, ball-jointed design, allowing for smooth articulation under dynamic driving conditions, whether navigating tight corners, executing sharp maneuvers, or absorbing the impact of potholes and rough terrain. Its durable construction, often reinforced with corrosion-resistant coatings and heat-treated steel, is engineered to withstand the stresses of daily driving, extended use, and varying environmental conditions, from harsh winters to humid coastal climates. This part is a direct replacement for the original equipment manufacturer (OEM) component, ensuring a perfect fit with the vehicle s suspension geometry, eliminating the need for additional modifications or adjustments. Whether replacing a worn-out arm due to age, wear, or damage, or upgrading as part of a suspension refresh, this control arm restores the IS series to its factory-intended performance, enhancing both the driving experience and long-term reliability of the vehicle.
### **Pros and Cons of Buying a Lexus Front Lower Suspension Control Arm (Part Number 4864030300, Models: IS250, IS300, IS350, 2014 2020)**
#### **Pros of Purchasing This Part**
1. **Direct Fitment** The part number **4864030300** is officially listed for the **Lexus IS250, IS300, and IS350 (2014 2020)** models, ensuring compatibility without modification.
2. **OEM Quality** Lexus parts are built to the same high standards as factory components, offering durability and reliability.
3. **Improved Ride Comfort & Handling** A worn or damaged suspension control arm can lead to uneven tire wear, poor alignment, and a rough ride. Replacing it restores proper suspension geometry.
4. **Prevents Further Damage** Ignoring a failing control arm can cause stress on other suspension components (ball joints, bushings, struts), leading to more expensive repairs.
5. **Maintains Vehicle Value** Keeping suspension parts in good condition helps preserve the car s resale value, especially for luxury vehicles like the Lexus IS.
6. **Easier Installation** Since it s a direct replacement, installation is straightforward for those with basic mechanical skills or when taken to a shop.
7. **Warranty Coverage (If Purchased from Authorized Dealer)** Some Lexus parts come with manufacturer warranties, providing peace of mind.
#### **Cons of Purchasing This Part**
1. **High Cost** Lexus OEM parts are expensive compared to aftermarket alternatives (often **$150 $300 per arm** depending on the source).
2. **Labor-Intensive Replacement** Removing and installing a lower control arm requires lifting the car, removing the wheel, and often disconnecting the sway bar link, which can take **1 2 hours** in a shop.
3. **Potential for Counterfeit Parts** Buying from unauthorized sellers (e.g., eBay, random online marketplaces) risks receiving **fake or low-quality parts**, leading to premature failure.
4. **Additional Wear Indicators** If the control arm is failing, other suspension components (like bushings or ball joints) may also be worn, requiring replacement at the same time.
5. **Aftermarket Alternatives May Suffice** Reputable aftermarket brands (e.g., **Dorman, Febi, ACDelco**) offer similar parts at a lower cost with comparable quality.
6. **Misalignment Risk** If not installed correctly, the replacement could lead to **uneven tire wear or handling issues**, requiring an alignment afterward.
7. **Environmental & Ethical Concerns** Purchasing new OEM parts contributes to waste; refurbished or remanufactured parts may be a more sustainable option.
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### **Conclusion**
The **Lexus 4864030300 front lower suspension control arm** is a **necessary replacement** if the original is damaged or worn, as it directly impacts ride quality, handling, and long-term suspension health. However, the **high cost and labor requirements** make it a significant investment.
If the part is **genuine OEM**, it ensures **reliability and fitment**, but **aftermarket options** can provide a **cost-effective alternative** without sacrificing quality. For those prioritizing **durability and warranty coverage**, buying from an **authorized Lexus dealer** is ideal. For budget-conscious buyers, **high-quality aftermarket parts** (from trusted brands) offer a **good balance of cost and performance**.
**Final Recommendation:**- **If budget is not a concern** Purchase the **OEM Lexus part (4864030300)** from an **authorized dealer** for guaranteed fit and warranty.
- **If cost is a factor** Opt for a **reputable aftermarket brand** (e.g., **Dorman, Febi, or ACDelco**) from a **trusted auto parts retailer** (RockAuto, Amazon, local shops).
- **Always inspect other suspension components** (bushings, ball joints) during replacement to avoid future issues.
- **Have the alignment checked** after installation to ensure proper handling.
For most Lexus IS owners, **prioritizing quality over price** is wise, as suspension integrity directly affects **safety, comfort, and long-term drivability**.
Incorrect fitment due to buyer error. Donor Vehicle Information: VINJTHCF1D26E5014121, Year2014, Make Lexus, model IS250, Body Type Sedan, Trim Base, Engine2.5L V6, Drive Typed, Transmission Automatic, Mileage300,642 miles. Removed from a running donor vehicle. Direct replacement for worn or damaged control arm.
Buyer pays return shipping if there are no picture/s provided as proof that shows the part number of their item. Changed mind. Important Notes: Please verify part number before purchasing. May show minor cosmetic wear such as dirt, surface rust, or scratches.
Item Details: Original factory OEM Lexus suspension control arm. 2017 Lexus IS350 Base, F Sport 3.5L V6 Gas. No longer needed / did not like it. Found a better price.
Picture/s is a must. Standard 30-day warranty on all parts. Front Left Suspension Control Arm - Lexus IS250 IS300 IS350 Used OEM: Item Specifications: Part Number, Type Suspension Arm, Placement on Vehicle Front, Left, Material Steel, Manufacturer Lexus, Brand Genuine Parts, Condition Used OEM, Notes Front left suspension control arm assembly. Free shipping is offered on select small and medium-sized parts only.
Connects the wheel hub to vehicle frame for controlled suspension movement. Return Condition. Helps maintain proper alignment and handling performance. Used OEM parts may show minor wear.