HYUNDAI 21815-3M350 Engine Motor Mount Right 4.6L 5.0L 464

( Manufacturer Part Number: 21815-3M350 ), ( Items Included: No Item Included ), ( Fitment Type: Direct Replacement ), ( Year Fitment: 2009 2010 2011 2012 2013 2014 2015 ), ( Vintage Part: No ), ( Placement On Vehicle: Front, Right, R, Rh, Passenger ), ( Type: 4.6l 5.0l Engine Motor Mount Bracket Right Side ), ( Manufacturer Warranty: 1 Month ), ( Country Of Origin: United States )

Review HYUNDAI 4.6l 5.0l Engine Motor Mount Right Oem 464 fits GENESIS 2009–2014

The **Hyundai 21815-3M350 Motor Mount (Right Side, 464)** is a high-performance, direct-fit replacement part designed specifically for the **2009 2014 Hyundai Genesis models** equipped with the **4.6L V8 (5.0L displacement)** engine configuration. This critical suspension component plays a vital role in maintaining engine stability, reducing vibration, and minimizing noise transmission to the cabin, ensuring a smoother and more refined driving experience. Engineered from durable **high-strength rubber and reinforced steel components**, this motor mount is built to withstand the rigorous demands of high-performance driving while providing optimal isolation between the engine and the vehicle s chassis. The mount features a **robust, interference-fit design** that securely locks into place, preventing excessive movement and ensuring long-term reliability, even under heavy loads or aggressive acceleration. Ideal for both **OEM replacement** and **performance upgrades**, this motor mount is compatible with the **Genesis 4.6L V8 (5.0L)** powertrain, including applications such as the **Genesis Coupe, Genesis Sedan, and Genesis G80**, where engine isolation is critical for drivability and longevity. Whether addressing a worn-out original part, improving ride quality, or enhancing engine support during high-performance modifications, this **direct-fit, aftermarket motor mount** delivers a **precise, durable, and cost-effective solution** that restores factory-like performance and reduces the risk of engine sag or excessive vibration. Built to meet Hyundai s stringent engineering standards, this component is a **must-have upgrade** for owners seeking to maintain their vehicle s structural integrity and driving dynamics.

### **Pros and Cons of buying a Hyundai 21815-3M350 (2009-2014 Genesis 4.6L/5.0L Engine Motor Mount Right Side, Part #464)**

1. **Direct Fitment** This is an OEM replacement part designed specifically for the 2009-2014 Genesis G80 with the 4.6L or 5.0L V8 engine, ensuring compatibility without modifications.

2. **Durability** Hyundai s motor mounts are built to handle the weight and vibrations of the V8 engine, reducing the risk of premature failure if installed correctly.

3. **Noise and Vibration Reduction** A properly functioning motor mount helps isolate engine vibrations, improving ride comfort and reducing cabin noise.

4. **Prevents Engine Movement** Worn or broken motor mounts can cause excessive engine movement, leading to driveline damage or transmission issues. Replacing it prevents further damage.

5. **Cost-Effective Alternative** While not always the cheapest option, it is often more affordable than a full engine support system replacement and avoids costly repairs from neglecting the issue.

6. **Aftermarket Quality Options** Some aftermarket brands offer comparable parts at a lower price, though OEM or high-quality aftermarket mounts may last longer.

7. **Warranty Coverage** If purchased from a reputable seller (e.g., Amazon, RockAuto, or a trusted auto parts store), some parts may come with a limited warranty.

1. **Potential Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving a fake or low-quality part, which may fail quickly or not fit properly.

2. **Installation Difficulty** Motor mounts require precise alignment and secure bolting. Improper installation can lead to premature wear or failure, potentially causing engine damage.

3. **Labor Costs** Replacing a motor mount typically requires lifting the engine or vehicle, which may necessitate a lift or jack, adding to labor expenses if done professionally.

4. **Age of the Vehicle** If the Genesis is already older (e.g., nearing 15 years), other components (e.g., suspension, drivetrain) may also be worn, requiring additional repairs.

5. **Limited Availability** Some sellers may not stock this exact part, leading to delays or the need to order from specialized suppliers.

6. **Compatibility Confusion** The 4.6L and 5.0L engines share some parts but may have slight differences in mounting points. Double-checking the engine type before purchase is crucial.

7. **Rust or Corrosion Risk** Older vehicles may have rusted mounting points, making installation difficult even with a new part.

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### **Conclusion**

The **Hyundai 21815-3M350 motor mount (2009-2014 Genesis, 4.6L/5.0L)** is a **necessary replacement** if your vehicle exhibits symptoms like excessive engine movement, rattling noises, or driveline damage. The part itself is **reliable if sourced from a trusted supplier** and installed correctly. However, the **real cost** lies in **labor and potential additional repairs** if other components are neglected.

If your Genesis has **visible motor mount wear, clunking noises, or transmission issues**, replacing this part is a **proactive fix** to prevent worse damage. That said, if the vehicle has **high mileage or other failing systems**, consider whether the repair is cost-effective long-term.

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### **Recommendation**

1. **Verify the Engine Type** Confirm whether your Genesis has a **4.6L or 5.0L V8** to ensure the correct part is ordered.

2. **Buy from a Reputable Source** Purchase from **Amazon, RockAuto, or a local auto parts store with return policies** to avoid counterfeit parts.

3. **Consider Professional Installation** If you lack mechanical experience, have a **trusted mechanic** perform the replacement to ensure proper alignment and torque.

4. **Inspect Other Mounts** While replacing one mount, check the **left-side mount and rear stabilizer** for wear, as they often fail together.

5. **Budget for Additional Repairs** If the vehicle has **high mileage or other issues**, factor in potential **transmission, suspension, or drivetrain work** that may be needed soon.

6. **DIY vs. Professional**

- **DIY:** Possible with the right tools (engine hoist, torque wrench, jack stands) but requires patience.

- **Professional:** Recommended if unsure about installation, as improper mounting can lead to **engine sagging or driveline damage**.

If the motor mount is **clearly failing and causing driveline issues**, replacing it is a **smart, preventative repair**. However, if the vehicle is **old or has multiple problems**, weigh the cost against the remaining usable life of the car. For most drivers, **this is a worthwhile fix** just ensure **quality parts and proper installation**.

Details:

2009 - 2014 Hyundai Genesis, 4.6L 5.0L Engine Motor Mount Right Passenger Side 21815-3M350 OEM 14464, Please match part numbers before buying, ITEM CONDITION USED / Genesis.

part #: 218153m350 prices

• $74.47-$214.00

specifications engimou:

• for models: Genesis
• for makes: Hyundai
• for years: 2009-2014
• mpn: 21815-3m350
• items included: No Item Included
• fitment type: Direct Replacement
• year fitment: 2009 2010 2011 2012 2013 2014 2015
• vintage part: No
• placement on vehicle: Front, Right, R, Rh, Passenger
• type: 4.6l 5.0l Engine Motor Mount Bracket Right Side
• manufacturer warranty: 1 Month
• country of origin: United States

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: Used

returns engimou:

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

offer engimou:

• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: May 9, 2026

seller engimou:

• # reviews: 857
• city: Pearland, Texas
• rating: 99.9%

shipping engimou:

• type: Fixed
• carrier: FedEx
• service: Standard, FedEx Ground / FedEx Home Delivery
• cost: $19.99
• class: Standard
• transit: 5-11 Days

payments engimou:

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

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