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  2. sku: 22726764303051711
  3. ACDELCO MEXICO COMMON 10447321

ACDELCO MEXICO COMMON 10447321 Engine Rear Mount

fits year: 1999–2009.

10447321 Acdelco Mexico Common Engine Rear Mount

( Brand: Acdelco Mexico Common ), ( Manufacturer Part Number: 10447321 ), ( Part Type: Engine Mount ), ( Make: Buick ), ( Year: 1999 2000 2001 2002 2005 2006 2007 2008 2009 ), ( Parts Included: Only Part Reference 0 On The Diagram Is Included )

Review ACDELCO MEXICO COMMON Engine Rear Mount fits 1999–2009

The **ACDelco Common 10447321 Engine Rear Mount** is a high-performance, direct-fit replacement part designed to restore structural integrity and smooth operation to vehicles equipped with the GM 2.5L and 3.5L Ecotec engines, commonly found in models such as the Chevrolet Malibu, Equinox, and GMC Terrain. Engine rear mounts, often referred to as "engine cradle mounts" or "rear engine mounts," play a critical role in isolating engine vibrations, reducing noise transmission to the cabin, and maintaining proper engine alignment within the vehicle s undercarriage. Crafted from durable, high-grade materials, this mount is engineered to withstand the rigorous demands of daily driving, including acceleration, braking, and rough road conditions, ensuring long-lasting performance and reliability. The ACDelco Common brand, synonymous with quality and precision, guarantees that this component meets or exceeds OEM specifications, delivering a seamless fit and feel that matches the original equipment manufacturer s standards. Whether replacing a worn or damaged mount due to age, excessive wear, or a recent engine installation, this rear mount provides a robust solution that enhances engine stability, reduces unwanted rattles, and contributes to an overall smoother driving experience. Ideal for both professional mechanics and DIY enthusiasts, the 10447321 is a straightforward, no-compromise upgrade that helps maintain the health and longevity of your engine bay components.

**Pros and Cons of buying a ACDelco Common 10447321 Engine Rear Mount**

The ACDelco Common 10447321 is a rear engine mount designed for certain GM engines, particularly those found in vehicles like the Chevrolet Silverado, GMC Sierra, and some Duramax diesel applications. Below is a detailed breakdown of its advantages and disadvantages.

### **Pros:**

1. **OEM Quality and Fitment** ACDelco is a trusted brand under General Motors, known for producing parts that meet or exceed factory specifications. This ensures a proper fit, reducing the risk of misalignment or premature wear.

2. **Durability and Reliability** The mount is built to withstand the stresses of daily driving, including vibrations, heat, and load-bearing forces. High-quality materials and construction contribute to longevity, especially when compared to aftermarket alternatives that may use cheaper components.

3. **Compatibility with Common Engines** The part number (10447321) is designed for specific GM engines, particularly those in the **L5P, L5V, L5W, and L56** (common rail diesel) applications. This means it is engineered to work seamlessly with the vehicle s suspension and drivetrain, reducing the likelihood of compatibility issues.

4. **Ease of Installation** Since it is an OEM or direct replacement part, it typically follows the same mounting points and installation procedures as the original component. This can simplify the replacement process, especially for mechanics familiar with GM vehicles.

5. **Warranty Coverage** ACDelco parts often come with a warranty, providing peace of mind in case of defects. This can be particularly valuable if the mount fails prematurely due to manufacturing issues.

6. **Support for Performance and Modifications** For vehicles with aftermarket modifications (e.g., lifted suspensions, heavy loads, or performance upgrades), a robust rear mount like this one helps maintain stability and reduce stress on other drivetrain components.

7. **Reduced Noise and Vibration** A well-designed rear mount helps dampen engine vibrations, contributing to a smoother ride and less cabin noise over time.

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### **Cons:**

1. **Cost** As an OEM or high-quality aftermarket part, the ACDelco rear mount will likely be more expensive than generic or no-name alternatives. For budget-conscious buyers, this could be a significant drawback, especially if the mount is not the primary failure point in the vehicle.

2. **Potential Overkill for Minor Issues** If the original mount failed due to a minor issue (e.g., a cracked rubber bushing or a loose bolt), replacing it with a new ACDelco part may not address the root cause. Without diagnosing the underlying problem (e.g., suspension misalignment, excessive weight, or road damage), the new mount could fail again.

3. **Limited Availability in Some Regions** Depending on the location, ACDelco parts may not be as widely stocked as other brands. This could require ordering online or waiting for delivery, adding inconvenience if the vehicle is inoperable.

4. **Installation Complexity for DIYers** While the part itself is straightforward, replacing a rear engine mount often requires lifting the vehicle, removing the exhaust system, and possibly disconnecting the driveshaft or sway bar. This can be challenging for inexperienced DIYers, leading to potential mistakes or safety hazards.

5. **Weight Considerations** Some aftermarket mounts are designed to be lighter than OEM parts, which can reduce unsprung weight and improve handling. The ACDelco mount, being a direct replacement, may not offer this benefit, though it is unlikely to be significantly heavier.

6. **Potential for Counterfeit Parts** Purchasing from unauthorized sellers (e.g., eBay, Facebook Marketplace, or untrusted online retailers) increases the risk of receiving a counterfeit or low-quality part. Always buy from reputable dealers or directly from GM-approved distributors to avoid this issue.

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### **Conclusion:**

The ACDelco Common 10447321 rear mount is a high-quality, reliable replacement part that offers superior durability, fitment, and compatibility for GM vehicles with common rail diesel engines or certain gasoline applications. Its OEM-level construction makes it a strong choice for those prioritizing longevity and performance, particularly in heavy-duty or modified vehicles. However, the higher cost and potential overkill for minor issues may not justify the purchase for everyone.

If the mount is failing due to normal wear or a known issue in your vehicle (e.g., a common failure point in your engine bay), the ACDelco part is an excellent investment. Conversely, if the failure is due to an underlying problem (e.g., suspension damage, improper modifications, or neglect), addressing the root cause alongside the mount replacement would be more cost-effective in the long run.

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### **Recommendation:** - **Buy the ACDelco 10447321 if:**

- You are replacing a failed mount in a GM vehicle with a common rail diesel or compatible gasoline engine.

- You prioritize OEM quality, warranty coverage, and long-term reliability.

- You are confident in the part s fitment for your specific application (verify with your vehicle s service manual or a trusted mechanic).

- You plan to use the vehicle for heavy-duty, towing, or performance applications where stability is critical.

- **Consider alternatives if:**

- You are on a tight budget and can find a high-quality aftermarket mount (e.g., from brands like **Moroso, Eurospec, or Melling**) that fits your needs.

- The original mount failed due to a modifiable issue (e.g., a sway bar link or suspension problem), and you want to address the root cause first.

- You are uncomfortable with the installation process and prefer to have a professional handle the replacement.

- **Where to Purchase:**

- Buy from **authorized GM parts dealers**, **RockAuto**, **PartsGeek**, or **local GM service centers** to ensure authenticity and warranty coverage.

- Avoid purchasing from unverified sellers to prevent receiving counterfeit or substandard parts.

- **Additional Tips:**

- Inspect the surrounding components (e.g., exhaust hangers, sway bar links, and drivetrain mounts) during replacement, as they may also be worn.

- If your vehicle has a history of rear mount failures, consider upgrading to a **high-performance mount** (e.g., **Moroso 12020 or Eurospec**) that may offer better vibration damping.

- Always follow the manufacturer s torque specifications and installation guidelines to ensure proper function.

Details:

Add details like I tried to install this part, and it didn't fit. Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. If you would like to return your new, unopened, and uninstalled part: Genuine ACDelco Parts.

Request a Return. Changed My Mind. 1.Parts must be resalable and in the original packaging. Found a Better Price.

Just Didn't Like it. Electrical parts are not returnable. Some GM Genuine Parts may have formerly appeared as ACDelco Original Equipment OE.

part #: 10447321 price

  • $112.04

specifications engimou:

  • for years: 1999-2009
  • brand: Acdelco Mexico Common
  • mpn: 10447321
  • part type: Engine Mount
  • make: Buick
  • year: 1999 2000 2001 2002 2005 2006 2007 2008 2009
  • parts included: Only Part Reference 0 On The Diagram Is Included

shipping engimou:

  • transit: 4-9 Days
  • carrier: UPS
  • type: Fixed
  • class: Standard
  • cost: $10.95
  • service: UPS Ground

returns engimou:

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

payments engimou:

  • other
  • credit card: Discover
  • wallet: Paypal

offer engimou:

  • sold: 0
  • availability: In Stock
  • started: April 18, 2026
  • options: Ship-to-home
  • quantity: 1

seller engimou:

  • rating: 99.7%
  • city: Pompano Beach, Florida
  • # reviews: 4398

general engimou:

  • Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
  • condition: New
for years: 1999-2009, part type: engine mount, year: 1999 2000 2001 2002 2005 2006 2007 2008 2009, parts included: only part reference 0 on the diagram is included,
manufacturer: buick, category: auto parts > car truck parts accessories > engines engine parts > engine mounts, sku: 22726764303051711,
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  • New. Offer #1 priced at $112.04 + $0.00 shipping estimate = $112.04* total. Genuine ACDelco Parts.FREE SHIPPING

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