1. Chevrolet Climate Controls & Control Units To Buy
  2. sku: 11282590510882663
  3. KARPARTS360 CLX-M0-USA-RC31150021-CLA12

KARPARTS360 CLX-M0-USA-RC31150021-CLA12 Transmission Mount 823200810671 Rear Wheel Drive

fits model: 3500, Silverado, Classic. make: Chevy. year: 2007.

Clx-m0-usa-rc31150021-cla12 Karparts360 For Chevy Silverado 3500 Classic 2007 Transmission Mount Rear Wheel Drive

( Brand: Karparts360 ), ( Manufacturer Part Number: CLX-M0-USA-RC31150021-CLA12 ), ( Part Type: Transmission Mount Wheel Drive ), ( Features: Easy Installation ), ( Country Of Origin: Taiwan ), ( Item Height: 3.680 ), ( Item Length: 5.520 ), ( Item Weight: 3.0000 ), ( Item Width: 4.320 ), ( Ballast Included: No ), ( Fitment Type: Direct Replacement ), ( Generic Keywords 1: Part ), ( Generic Keywords 2: See Notes ), ( Intended Use: Automobiles ), ( Misc Fitment Notes: Rear, Rear Wheel Drive ), ( Placement On Vehicle: Rear ), ( Manufacturer Warranty: 1 Year ), ( UPC: 823200810671 )

Review KARPARTS360 Chevy Transmission Mount Rear Wheel Drive fits SILVERADO CLASSIC 3500 2007

The **KarParts360 CLX-M0-USA-RC31150021-CLA12** is a high-performance, direct-fit transmission mount specifically engineered for the **2007 Chevrolet Silverado 3500 Classic** in **rear-wheel-drive (RWD) configurations**, ensuring optimal drivetrain alignment and structural integrity for both stock and modified applications. Designed with precision engineering, this mount is crafted from **heavy-duty steel**, reinforced with a robust gusseting system to withstand the intense torque and vibration forces generated by powerful engines and aggressive driving conditions. Its **universal compatibility** within the CLX-M0 series makes it an ideal upgrade for enthusiasts seeking to eliminate transmission rattle, improve drivetrain rigidity, and enhance overall vehicle stability, particularly when paired with heavy-duty suspension components, performance exhaust systems, or high-torque engine builds. The mount features a **clean, factory-style design** that seamlessly integrates with the Silverado s stock frame rails, eliminating the need for extensive modifications while delivering superior durability. Whether you re tackling rough terrain, towing heavy loads, or pushing your truck to its limits on the track, this mount provides a **solid, vibration-dampening connection** between the transmission and frame, reducing unwanted movement and enhancing driveline efficiency. Built to exacting standards, the **CLX-M0-USA-RC31150021-CLA12** is a trusted choice for those who demand reliability without compromising on performance, making it a must-have component for any serious Silverado 3500 Classic owner looking to future-proof their vehicle against wear and tear.

Buying the **KarParts360 CLX-M0-USA-RC31150021-CLA12 transmission mount** for a **2007 Chevrolet Silverado 3500 Classic (RWD)** has both advantages and drawbacks. Below is a detailed breakdown of the pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **OEM Compatibility and Fitment**

The part is designed as an **OEM replacement**, meaning it should align perfectly with the 2007 Silverado 3500 Classic s transmission and frame. This reduces the risk of misalignment issues that can cause driveline vibrations, clunks, or premature wear on the transmission or axle.

2. **Durability and Quality**

KarParts360 is a reputable aftermarket supplier that often sources parts from trusted manufacturers. This mount is likely made from **high-strength steel or reinforced materials**, ensuring it can handle the torque and stress of a heavy-duty RWD truck, especially if you tow or carry heavy loads.

3. **Ease of Installation**

Since it s a direct replacement, installation should be straightforward for someone with basic mechanical skills. Most mounts require only basic tools (socket set, torque wrench, and possibly a jack/stands). Pre-drilled holes and alignment guides are common, simplifying the process.

4. **Cost-Effective Alternative to OEM**

Purchasing from KarParts360 is typically cheaper than buying the exact OEM part from GM or a dealership. This makes it a budget-friendly option without sacrificing too much in terms of quality.

5. **Warranty and Support**

KarParts360 offers warranties on many of its parts, providing some recourse if the mount fails prematurely due to defects. Their customer service is generally responsive, which can be helpful if installation issues arise.

6. **Prevents Driveline Issues**

A failing or worn transmission mount can lead to **excessive movement in the transmission**, causing **clunks, vibrations, or even damage to the transmission or axle**. Replacing it proactively can prevent costly repairs down the line.

7. **Compatibility with Aftermarket Mods**

If you ve modified your truck (e.g., lifted suspension, performance exhaust, or heavy-duty components), a reinforced mount can help maintain proper alignment and reduce stress on other driveline components.

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### **Cons**

1. **Potential Quality Variations**

While KarParts360 is a reliable supplier, aftermarket parts can sometimes vary in **material thickness, machining precision, or bolt patterns** compared to OEM components. In rare cases, this could lead to **looseness, premature wear, or misalignment** if the mount isn t perfectly matched to your truck s specifications.

2. **Installation Challenges**

If the mount is **not perfectly aligned** during installation, it could cause **transmission movement, clunks, or even damage to the bellhousing or axle**. This requires careful attention to torque specs and alignment during installation.

3. **Limited Customization**

Unlike some high-end aftermarket mounts, this part is a **standard replacement** and does not offer additional features like **adjustable mounting points or reinforced bushings** for extreme off-road use.

4. **Possible Counterfeit Concerns**

While KarParts360 is a legitimate supplier, there is always a risk of **counterfeit or low-quality fakes** entering the market, especially on third-party marketplaces. Buying directly from their official website or authorized dealers minimizes this risk.

5. **May Not Fit Modified Trucks**

If your Silverado has been **lifted, lowered, or modified with aftermarket frames**, the stock mount position might not be ideal. In such cases, a **custom or heavy-duty mount** may be necessary.

6. **Torque Specs Must Be Followed Strictly**

Over-tightening or under-tightening the mount bolts can lead to **stripped threads, warped mounting surfaces, or premature failure**. This requires following the manufacturer s torque specifications precisely.

7. **No Visual Inspection Before Purchase**

Since this is an online purchase, you **cannot physically inspect the part** before buying. Any defects (e.g., cracks, misaligned holes) would only be discovered after installation.

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### **Conclusion**

The **KarParts360 CLX-M0-USA-RC31150021-CLA12 transmission mount** is a **solid OEM replacement option** for your 2007 Chevrolet Silverado 3500 Classic (RWD). It offers **reliable fitment, durability, and cost savings** compared to OEM parts, making it a practical choice for most owners. However, it is not without potential drawbacks, particularly if installation is not done carefully or if the truck has been heavily modified.

The **biggest risk** lies in **misalignment or improper installation**, which could lead to driveline issues. To mitigate this, **follow torque specs, ensure proper alignment, and consider consulting a mechanic if unsure**.

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### **Recommendation**

- **Buy from KarParts360 s official website** to avoid counterfeit parts.

- **Check for any recalls or updates** related to this part for your specific truck year.

- **Compare with OEM specs** (e.g., GM part number **35055915**) to confirm exact fitment.

- **Install with care**, using a **torque wrench** and ensuring the transmission is centered.

- **Consider a professional installation** if you re unsure about alignment or torque values.

- **Monitor for unusual noises or vibrations** after installation if issues arise, recheck the mount and bolts.

**Final Verdict:** This is a **good, cost-effective choice** for most 2007 Silverado 3500 Classic owners, provided installation is done correctly. If your truck has been heavily modified or you re unsure about fitment, verify compatibility with the supplier or a trusted mechanic before purchasing.

Details:

WARRANTY, All Carlights360 products come with a 1-year limited warranty. KarParts360 For Chevy Silverado 3500 Classic 2007 Transmission Mount Rear Wheel Drive: Item condition: Brand New in Original Box, OEM Part #: Parts Link designed Easy Installation. Factory Sealed - Brand new in box. Misc Notes 1: G10 91-95/ESCALADE ESV 08-20 TRANSMISSION MOUNT, Rear, RWD.

DOT CERTIFIED FOR EXTRA SECURITY AND RELIABILITY, Certification Advantage. Built for Durability: Made from high-quality materials, this product has been tested to ensure long-lasting performance. The numbers have to match exactly or else it will not fit. High quality aftermarket replacement for OEM parts.

All products ship in pristine and original manufacturer packaging. FREE FAST SHIPPING 1 YEAR WARRANTY 100% MONEY BACK 30-DAY GUARANTEE.

specifications chvyacheatercontrols:

  • for models: 3500, Silverado, Classic
  • for makes: Chevy
  • for years: 2007
  • brand: Karparts360
  • mpn: Clx-m0-usa-rc31150021-cla12
  • part type: Transmission Mount Wheel Drive
  • features: Easy Installation
  • country of origin: Taiwan
  • item height: 3.680
  • item length: 5.520
  • item weight: 3.0000
  • item width: 4.320
  • ballast included: No
  • fitment type: Direct Replacement
  • generic keywords 1: Part
  • generic keywords 2: See Notes
  • intended use: Automobiles
  • misc fitment notes: Rear, Rear Wheel Drive
  • placement on vehicle: Rear
  • manufacturer warranty: 1 Year
  • upc: 823200810671

shipping chvyacheatercontrols:

  • transit: 5-9 Days
  • class: Expedited
  • service: Expedited
  • type: Fixed
  • cost: $0.00

returns chvyacheatercontrols:

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

general chvyacheatercontrols:

  • condition: New
  • Car Truck Parts Accessories > Air Conditioning Heating > HVAC Controls Control Units

seller chvyacheatercontrols:

  • city: La Salle, IL
  • # reviews: 143765
  • rating: 99.7%

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offer chvyacheatercontrols:

  • started: March 19, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 6
for models: 3500, silverado, classic, for makes: chevy, for years: 2007, part type: transmission mount wheel drive, features: easy installation, country of origin: taiwan, item height: 3.680, item length: 5.520, item weight: 3.0000, item width: 4.320, ballast included: no, fitment type: direct replacement, generic keywords 1: part, generic keywords 2: see notes, intended use: automobiles, misc fitment notes: rear, rear wheel drive, placement on vehicle: rear, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > air conditioning heating > hvac controls control units, sku: 11282590510882663,
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