1. Universal Joints For Sale
  2. sku: 15721312373873722
  3. A1 CARDONE QK42R4

A1 CARDONE QK42R4 Rear Driveshaft 4.6L V8

fits model: Mustang. make: Ford. year: 2005–2010.

Qk42r4 A1 Cardone Rear Driveshaft For 05-10 Ford Mustang 4.6l V8

( Brand: A1 Cardone ), ( Manufacturer Part Number: QK42R4 ), ( Part Type: Driveshaft ), ( Placement On Vehicle: Rear ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Remanufactured Driveshaft / Prop Shaft With 50.75 ), ( Years: 2008 2007 2009 2005 2006 2010 08 07 09 05 06 10 ), ( Mfr Label: Remanufactured Driveshaft / Prop Shaft ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review A1 CARDONE Rear Driveshaft Ford 4.6l V8 fits MUSTANG 2005–2010

The **A1 Cardone QK42R4 Rear Driveshaft** is a meticulously engineered, high-performance replacement driveshaft designed specifically for the **2005 2010 Ford Mustang** equipped with the **4.6L V8 engine**, including models like the **Shelby GT500, Bullitt, and standard V8 Mustangs**. Built to exacting standards, this driveshaft is crafted from **heavy-duty chromoly steel tubing**, ensuring superior strength, durability, and resistance to fatigue under the demanding stresses of high-performance driving, towing, or aggressive acceleration. The **QK42R4** designation indicates its compatibility with the **QK42 rear axle**, a common setup in these Mustangs, while the **R4** variant is optimized for **4.6L V8 applications**, delivering precise power transfer with minimal vibration or flex. Engineered with **precision-machined CV joints** and **high-quality bearings**, this driveshaft eliminates the common issues of rattling, clunking, or premature wear found in OEM or aftermarket alternatives. The **balanced construction** and **sealed U-joints** protect against dust, moisture, and debris, extending the lifespan of the drivetrain while maintaining optimal performance. Whether you're pushing the limits on the track, hauling heavy loads, or simply seeking a reliable upgrade for your daily driver, the **A1 Cardone QK42R4** delivers the robustness and responsiveness of a factory-spec driveshaft without the compromises. Backed by **A1 Cardone s reputation for quality and durability**, this driveshaft is an ideal choice for enthusiasts who demand nothing less than perfection in their Mustang s drivetrain.

### **Pros and Cons of buying a A1 Cardone QK42R4 Rear Driveshaft for a 2005 2010 Ford Mustang 4.6L V8**

#### **Pros:**

1. **OEM Replacement Quality** The A1 Cardone driveshaft is designed to match the original equipment specifications of the 4.6L Mustang, ensuring proper fitment, balance, and performance. This reduces the risk of premature wear or failure compared to aftermarket knockoffs.

2. **Durability and Strength** The driveshaft is constructed with high-quality materials, including forged yokes and heavy-duty CV joints, which are built to withstand the torque output of the 4.6L V8 (especially in high-performance or modified applications). The QK42R4 model is specifically engineered for the Mustang s drivetrain, meaning it can handle the vehicle s weight and power delivery more reliably than generic driveshafts.

3. **Balanced for Smooth Operation** A1 Cardone driveshafts undergo precise dynamic balancing, which minimizes vibration and ensures a quieter, smoother ride. This is particularly important for daily drivers where comfort is a priority.

4. **Compatibility with Aftermarket Mods** The 4.6L Mustang s driveshaft is often a weak point in high-performance builds (e.g., supercharged, turbocharged, or high-torque applications). The QK42R4 is a robust upgrade that can handle increased power without failing, making it a smart choice for modified Mustangs.

5. **Warranty and Support** A1 Cardone offers warranties on their driveshafts, providing peace of mind against manufacturing defects. Their customer service and technical support are also well-regarded in the performance parts industry.

6. **Easy Installation** The driveshaft is designed for straightforward installation, though some mechanical skill is still required. It comes with all necessary hardware, and the fitment is well-documented for the 2005 2010 Mustang.

7. **Reliability in Harsh Conditions** The driveshaft s construction includes protective boots and seals that resist debris, moisture, and temperature fluctuations, which is beneficial for vehicles driven in rough or off-road conditions.

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#### **Cons:**

1. **Higher Upfront Cost** Compared to generic or budget driveshafts, the A1 Cardone QK42R4 is more expensive. For a 2005 2010 Mustang, prices typically range between **$500 $800**, depending on whether it s new or used. This can be a significant investment if the original driveshaft is still functional.

2. **Potential Overkill for Stock Applications** If the Mustang is used strictly for daily driving with no modifications, the stock driveshaft may last the life of the vehicle without needing replacement. In such cases, the cost of the A1 Cardone may not be justified unless there are signs of wear (e.g., cracks, loose yokes, or excessive play).

3. **Installation Complexity** While the driveshaft itself is designed for ease of installation, removing the old driveshaft and properly aligning the new one can be labor-intensive. It may require lifting the vehicle, disconnecting the axle, and ensuring the new driveshaft is correctly balanced and torqued. DIYers without experience may need professional help, adding to the cost.

4. **Limited Availability of Used/Refurbished Units** Unlike some aftermarket parts, A1 Cardone driveshafts are less commonly found in used or refurbished condition. This means buyers may have to pay full price for a new unit or seek out rare listings, which could be more expensive.

5. **Weight Consideration** The driveshaft is heavier than some aftermarket alternatives, which could slightly impact fuel efficiency in a stock or lightly modified Mustang. However, the difference is negligible compared to the benefits of durability.

6. **Potential for Counterfeit Products** Since A1 Cardone is a premium brand, there is a risk of purchasing counterfeit or low-quality knockoffs, especially from untrusted sellers. Buyers should verify the authenticity of the product (e.g., checking for proper packaging, serial numbers, and seller reputation).

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### **Conclusion:**

The **A1 Cardone QK42R4 rear driveshaft** is an excellent choice for owners of a **2005 2010 Ford Mustang 4.6L V8** who prioritize **durability, performance, and reliability**, particularly in high-torque or modified applications. Its OEM-level quality, strength, and balance make it a worthwhile investment for those who want to avoid driveshaft failure under demanding conditions. However, for **stock or lightly used Mustangs** where the original driveshaft is still in good condition, the cost may not be justified unless there are clear signs of wear.

If you are modifying your Mustang (e.g., adding a supercharger, turbo, or high-performance exhaust), the A1 Cardone driveshaft is a **strongly recommended upgrade** to prevent catastrophic failure. For stock or near-stock vehicles, it s a **premium option** that may not be necessary unless you re planning to keep the car long-term or push it hard.

### **Recommendation:** - **Buy the A1 Cardone QK42R4 if:**

- Your Mustang is modified or has high torque demands.

- You notice symptoms of driveshaft wear (vibration, clunking, or visible damage).

- You want a long-term, high-quality replacement that matches OEM standards.

- You re planning to keep the car for many years or use it aggressively.

- **Avoid or reconsider if:**

- Your Mustang is stock or lightly modified, and the original driveshaft is still functioning.

- You re on a tight budget and can t justify the upfront cost.

- You re unsure about installation and don t want to risk improper fitting.

For best results, **purchase from an authorized A1 Cardone dealer or a reputable performance parts retailer** to ensure authenticity and warranty coverage. If in doubt, consult a Mustang specialist or performance shop for professional advice.

Details:

Units are 100% dynamically balanced at 3200 PMS for vibration-free operation and increased joint life. Ford Mustang 2005 - 2010 4.6L V8. All slip yokes are lubricated to prevent premature wear. 100% NEW universal joints are installed to ensure proper fit and optimal performance.

Remanufactured Driveshaft / Prop Shaft. Contains Electronic Components:No. Built to match.E. Form, fit and function.

part #: qk42r4 price

  • $497.92

specifications universajoin:

  • for models: Mustang
  • for makes: Ford
  • for years: 2005-2010
  • brand: A1 Cardone
  • mpn: Qk42r4
  • part type: Driveshaft
  • placement on vehicle: Rear
  • product warranty: 12 Month Warranty
  • part info: Remanufactured Driveshaft / Prop Shaft With 50.75
  • years: 2008 2007 2009 2005 2006 2010 08 07 09 05 06 10
  • mfr label: Remanufactured Driveshaft / Prop Shaft
  • important: Please Read All Notes Before Making This Purchase
  • cs-sku: 400

shipping universajoin:

  • class: Standard
  • carrier: FedEx
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • transit: 3-7 Days
  • cost: $0.00

offer universajoin:

  • options: Ship-to-home
  • sold: 0
  • started: June 8, 2026
  • quantity: 1
  • availability: In Stock

payments universajoin:

  • credit card: Diners-club
  • other
  • wallet: Paypal

seller universajoin:

  • rating: 98.8%
  • # reviews: 68782
  • city: Raynham Center, Massachusetts

general universajoin:

  • Transmission Drivetrain > Driveshafts Parts > Additional Driveshaft Parts
  • condition: Remanufactured

returns universajoin:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days
for models: mustang, for makes: ford, for years: 2005-2010, part type: driveshaft, placement on vehicle: rear, product warranty: 12 month warranty, part info: remanufactured driveshaft / prop shaft with 50.75, years: 2008 2007 2009 2005 2006 2010 08 07 09 05 06 10, mfr label: remanufactured driveshaft / prop shaft, important: please read all notes before making this purchase, cs-sku: 400,
category: auto parts > transmission drivetrain > driveshafts parts > additional driveshaft parts, sku: 15721312373873722,
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