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  3. MERCEDES 431-58948

MERCEDES 431-58948 Rear Drive Shaft Driveshaft 140

fits model: S420. make: Mercedes. year: 1996–1999.

431-58948 Mercedes 96-99 S-class Rear Drive Shaft Driveshaft Oem 140 Type S420

( Part Type: Driveshaft ), ( Ipn: 431-58948 )

Review MERCEDES S class Rear Drive Shaft Driveshaft Oem 140 Type fits S420 1996–1999

The **Mercedes-Benz 431-58948 rear driveshaft (model years 1996 1999, W140 S-Class, 500/560/580/600 series, including the S420 AMG)** is a precision-engineered, high-performance drivetrain component designed to deliver seamless power transfer from the transmission to the rear axle in one of the most iconic luxury sedans ever produced. Crafted to exacting Mercedes-Benz specifications, this driveshaft is built with **high-grade alloy steel** and undergoes rigorous heat treatment to ensure optimal strength, durability, and resistance to fatigue critical attributes for maintaining reliability under the demanding loads of a high-output V8 engine, particularly in the case of the **S420 AMG**, which produces over **300 horsepower** and **300 lb-ft of torque**. The driveshaft features a **slip-yoke design** at the transmission end, allowing for smooth engagement with the differential while accommodating slight variations in axle movement, thereby reducing stress on the universal joints and extending overall drivetrain longevity. The **double-cardan joint construction** ensures precise alignment and minimal vibration, even at high speeds or during aggressive driving maneuvers, which is essential for preserving passenger comfort and ride quality in this grand touring sedan. For the **S420 AMG**, this driveshaft is specifically tuned to handle the increased torque output of the **M119 5.4L V8 engine**, which pairs with the **722.6 7-speed automatic transmission**, ensuring efficient power delivery without compromising on smoothness or durability. Whether installed in a classic S-Class for restoration purposes or as a performance upgrade for an enthusiast seeking to enhance the drivetrain s robustness, this driveshaft exemplifies Mercedes-Benz engineering balancing **precision, performance, and longevity** to uphold the legendary reputation of the W140 platform.

### **Pros and Cons of buying a Mercedes-Benz S-Class (W140) Rear Driveshaft (Part Number: 431-58948, Model Years: 1996-1999, S420, 140 Series)**

#### **Pros**

1. **OEM Quality and Reliability** This is a genuine Mercedes-Benz part, meaning it meets the manufacturer s exact specifications for fit, function, and durability. OEM components are less likely to fail prematurely compared to aftermarket alternatives.

2. **Proper Fit and Function** The driveshaft is designed specifically for the S420 (V8 engine) in the W140 chassis, ensuring correct alignment, balance, and power transfer. Aftermarket parts may not match perfectly, leading to vibrations or driveline issues.

3. **Long-Term Durability** Mercedes-Benz builds its components to last, especially in high-performance models like the S420. A well-maintained OEM driveshaft can easily exceed 100,000 miles with proper care.

4. **Easier Maintenance and Replacement** Since it s the original part, mechanics familiar with Mercedes vehicles will have experience working with it. This reduces the risk of installation errors.

5. **Resale Value** Keeping original components can help maintain the vehicle s value, especially if you plan to sell or trade it in later.

6. **Compatibility with Upgrades** If you ve modified your S420 (e.g., performance tuning, suspension upgrades), an OEM driveshaft ensures it can handle the increased load without failure.

7. **Warranty Coverage (If New)** If purchasing from a reputable dealer or Mercedes service center, the part may come with a limited warranty, providing peace of mind.

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#### **Cons**

1. **High Cost** OEM Mercedes-Benz parts are significantly more expensive than aftermarket alternatives. The price for this driveshaft can range from **$800 to $1,500 **, depending on condition and source.

2. **Potential for Counterfeit Parts** Buying from untrusted sellers (e.g., eBay, Craigslist, or unknown online marketplaces) increases the risk of receiving a **rebuilt, remanufactured, or fake OEM part**. Always verify the part s authenticity.

3. **Age and Wear** Even if the driveshaft is new, the rest of the driveline (u-joints, CV joints, differential) may be worn, leading to future failures if not addressed.

4. **Limited Availability** Some dealers may not stock this specific part, requiring special ordering, which can delay repairs.

5. **Weight Consideration** The S420 is already a heavy vehicle, and a heavy driveshaft (especially if it includes a heavy-duty axle) may slightly reduce acceleration or fuel efficiency.

6. **Installation Complexity** Replacing a driveshaft in an S-Class requires **specialized tools, torque specifications, and alignment checks**. Improper installation can lead to vibrations, premature wear, or driveline noise.

7. **Alternative Options May Be Cheaper** Aftermarket or remanufactured driveshafts (from brands like **Merit, Gates, or local Mercedes specialists**) can cost **$300 $600**, though quality varies.

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### **Conclusion**

Buying the **Mercedes-Benz W140 S420 rear driveshaft (431-58948)** is the **best choice for long-term reliability, performance, and resale value** especially if you want to maintain the vehicle s original integrity. However, the **high cost and risk of counterfeit parts** make it a less ideal option for budget-conscious buyers.

If you **prioritize authenticity and don t mind the expense**, purchasing from a **Mercedes dealership or a trusted specialty shop** (with a warranty) is the safest route. If you re looking to **save money**, a **high-quality aftermarket or remanufactured driveshaft** (from a reputable supplier) may be a viable alternative, though you should ensure it meets Mercedes specifications.

**Final Recommendation:**

- **If you can afford it and want the best long-term solution Buy the OEM driveshaft from a Mercedes dealership or authorized parts supplier.**

- **If budget is a concern Research a reputable aftermarket supplier (e.g., **Merit, Gates, or a local Mercedes specialist**) and verify the part s quality before purchasing.**

- **Always inspect the rest of the driveline (u-joints, CV joints, differential) before installation to prevent future failures.**

- **Have a mechanic with Mercedes experience perform the installation to ensure proper alignment and torque.**

Would you like help finding a trusted supplier or checking for common issues with this part?

Details:

All parts are in good working condition and were tested prior to removal from the vehicle. Please verify with a dealer or technician that this item is compatible your vehicle before purchasing. 96-99 MERCEDES S-CLASS Rear Drive Shaft Driveshaft OEM 140 Type S420Used, Great condition. Items show minor signs of use, please review all photos carefully before purchasing.

The shipping cost listed applies only to the lower 48 states. Please refer to our title, and part numbers for correct information. For multi-quantity items, there may be minor cosmetic variations, but the parts are functionally and structurally identical to those shown in pictures. Item Condition.

As these are used parts, they may display light scuffs, scratches, or other imperfections.

specifications universajoin:

  • for models: S420
  • for makes: Mercedes
  • for years: 1996-1999
  • part type: Driveshaft
  • ipn: 431-58948

returns universajoin:

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

offer universajoin:

  • started: February 24, 2026
  • quantity: 1
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • sold: 0

general universajoin:

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

seller universajoin:

  • rating: 100.0%
  • city: Cleveland, Tennessee
  • # reviews: 667

shipping universajoin:

  • carrier: FedEx
  • cost: $0.00
  • type: Fixed
  • class: Standard
  • transit: 3-8 Days
  • service: FedEx Ground / FedEx Home Delivery

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for models: s420, for makes: mercedes, for years: 1996-1999, part type: driveshaft,
category: auto parts > transmission drivetrain > driveshafts parts > additional driveshaft parts, sku: 14951769378261782,
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