FORD 3C34-4K357-AD Middle Rear Driveshaft Superduty Diesel V10

( Manufacturer Part Number: 3C34-4K357-AD ), ( Country Of Origin: United States ), ( Items Included: Bolts, Bushing, Connector ), ( Vintage Part: No ), ( Placement On Vehicle: Rear ), ( Transmission Type: Automatic ), ( Type: Driveshaft ), ( Manufacturer Warranty: 1 Month )

Review FORD Mid Middle Rear Driveshaft Superduty V10 Diesel fits F450 F550 2003–2010

The **Ford 3C34-4K357-AD Middle Rear Driveshaft** is a high-performance, direct-fit replacement component specifically engineered for Ford s legendary **F-Series Super Duty** lineup, including the **F-450 and F-550** models equipped with the **7.3L Power Stroke V10 diesel engine** from the **2003 through 2010 model years**. Designed to meet or exceed OEM specifications, this driveshaft is a critical transmission-to-rear axle linkage that ensures seamless power transfer, durability, and reliability under the most demanding towing and hauling conditions. Crafted from premium-grade **chromoly steel**, this driveshaft features a robust **constant velocity (CV) joint at the transmission end** and a **spline-shaft connection at the axle end**, both of which are precision-machined to maintain optimal alignment and reduce wear over time. The **universal joint (U-joint) section** is reinforced with high-capacity bearings and sealed with robust rubber boots to prevent contamination from road debris, ensuring longevity even in off-road or extreme off-highway applications. Whether you re hauling heavy loads, towing trailers, or navigating rough terrain, this driveshaft is built to withstand the stresses of continuous use without sacrificing performance. Its **direct bolt-on compatibility** eliminates the need for modifications, making installation straightforward for mechanics and DIY enthusiasts alike. With its **rugged construction, superior materials, and meticulous engineering**, this driveshaft is an essential upgrade for maintaining the integrity of your Super Duty s drivetrain, providing peace of mind with every mile driven.

### **Pros and Cons of Buying a Ford 3C34-4K357-AD Middle Rear Driveshaft (F-450/F-550, 2003-2010, 7.3L/6.0L Diesel)**

1. **Compatibility with Common Trucks** This driveshaft is designed for Ford Super Duty models (F-450/F-550) from 2003 to 2010, which includes both the 7.3L Power Stroke (pre-2003) and the 6.0L Power Stroke (2003-2010) diesel engines. It fits trucks with the 4R100/4R75E/4R70W transmissions.

2. **Durability & Reliability** Ford s heavy-duty driveshafts are built to handle high torque loads, making them suitable for towing and hauling. The 6.0L Power Stroke engines, in particular, are known for their longevity when properly maintained.

3. **Aftermarket & Replacement Availability** Since these trucks are still relatively common, replacement parts (including driveshafts, yokes, and universal joints) are widely available from both OEM and aftermarket suppliers.

4. **Potential for Modifications** If you plan to upgrade your truck (e.g., larger tires, lift kits, or performance tuning), this driveshaft can often be adapted with the right universal joints and yokes.

5. **Cost-Effective for Reliable Workhorses** For the price, you can often find a well-maintained 2003-2010 Super Duty with a 6.0L diesel that offers strong resale value and durability, especially if it has a clean service history.

6. **Strong Towing Capability** The 6.0L Power Stroke is capable of towing **10,000 20,000 lbs** (depending on configuration), making it ideal for heavy-duty work or recreational towing.

7. **Fuel Efficiency for a Diesel** Compared to older 7.3L engines, the 6.0L Power Stroke (with EGR and DPF in later models) offers better fuel economy ( 8-12 MPG highway) while still providing strong power ( 325 420 HP, depending on year).

---

1. **Aging Transmission & Drivetrain Components** Many 2003-2010 Super Duties come with the **4R75E transmission**, which is known for failing in the **valve body or torque converter** over time. The 4R100 (later models) is more reliable but still requires maintenance.

2. **DPF & EGR Issues (2007 Models)** The **Diesel Particulate Filter (DPF)** and **Exhaust Gas Recirculation (EGR) system** in later 6.0L engines can be problematic. DPFs clog over time, requiring cleaning or replacement, and EGR coolers often fail, leading to engine knock and reduced performance.

3. **Universal Joint Wear** The **middle driveshaft universal joints** (especially the **constant velocity or tripod types**) can wear out over time, causing vibrations and potential failure. Replacing them is often necessary after **100,000 miles**.

4. **Rust & Corrosion Concerns** Many older Super Duties (especially those driven in snowy or salted regions) suffer from **frame rust, suspension corrosion, and drivetrain rust**. A thorough inspection is essential before purchase.

5. **High Maintenance Costs** While the engine is durable, **transmission fluid changes, differential service, and drivetrain inspections** add up. Ignoring maintenance can lead to **expensive repairs** (e.g., $1,500 for a transmission rebuild).

6. **Resale Depreciation** Diesel trucks, even reliable ones, depreciate faster than gas-powered alternatives. If you plan to sell later, you may not recover as much as you invested.

7. **Noise & Vibration Issues** Some 6.0L engines develop **rod knock** (due to low-quality fuel or lack of maintenance), and driveshaft imbalances can cause **vibrations at highway speeds**.

8. **Limited Modern Tech Upgrades** Unlike newer trucks, these models lack **modern diagnostics, fuel efficiency improvements, and advanced safety features** (e.g., no backup cameras, limited ADAS).

---

Buying a **2003-2010 Ford F-450/F-550 with a 6.0L Power Stroke diesel and the 3C34-4K357-AD middle rear driveshaft** can be a **great investment** if you prioritize **towing power, durability, and cost-effectiveness** for heavy-duty work. However, it requires **proactive maintenance** to avoid **transmission, drivetrain, and emissions-related failures**.

If you **inspect the truck thoroughly** (check for **transmission fluid leaks, driveshaft wear, frame rust, and EGR/DPF condition**), and **budget for potential repairs**, this can be a **reliable workhorse**. If you re looking for **lower maintenance, better fuel efficiency, or modern tech**, a newer diesel (7.3L Power Stroke or 6.7L Power Stroke) or even a **gas-powered heavy-duty truck** might be a better long-term choice.

---

- You need a **heavy-duty towing truck** for commercial or off-road use.

- You re **willing to perform regular maintenance** (transmission fluid changes, driveshaft inspections, EGR cleaning).

- You find a **well-documented truck** with **low mileage (

- You plan to **keep it long-term** and don t mind occasional repairs.

- You want a **low-maintenance, fuel-efficient** truck.

- You re **uncomfortable with diesel-specific issues** (DPF, EGR, transmission failures).

- You **don t have access to a mechanic** for regular inspections.

- You **prioritize modern tech and safety features** over raw power.

- **Get a pre-purchase inspection** (focus on **transmission, driveshaft, frame, and emissions systems**).

- **Consider a used but well-maintained 6.0L Power Stroke** (2007-2010) if you can find one with **no DPF/EGR issues**.

- **Budget for a transmission rebuild or driveshaft replacement** if needed.

- **Avoid trucks with excessive rod knock, frame rust, or neglected maintenance records.**

If you find a **clean example with a reliable transmission and no major rust**, this can be an **excellent work truck** just be prepared for **some upfront and ongoing costs**.

Details:

Removed from running and driving 2005 F550 Everything is in nice condition but the rubber for carrier has some cracks marked orange still will works fine.

part #: 3c344k357 prices

• $650.00-$2679.00

specifications universajoin:

• for models: F450, F550
• for makes: Ford
• for years: 2003-2010
• mpn: 3c34-4k357-ad
• country of origin: United States
• items included: Bolts, Bushing, Connector
• vintage part: No
• placement on vehicle: Rear
• transmission type: Automatic
• type: Driveshaft
• manufacturer warranty: 1 Month

seller universajoin:

• # reviews: 1518
• rating: 100.0%
• city: Placerville, California

shipping universajoin:

• service: FedEx Ground Economy, FedEx Ground / FedEx Home Delivery, UPS Ground Saver
• class: Economy, Standard
• transit: 6-12 Days
• carrier: FedEx, UPS
• cost: $70.61
• type: Calculated

returns universajoin:

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

payments universajoin:

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

general universajoin:

• Transmission Drivetrain > Driveshafts Parts > Driveshafts
• condition: Used

offer universajoin:

• started: May 28, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

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