1. Universal Joints For Sale
  2. sku: 15224653488397793
  3. FORD TRUCK E100

FORD TRUCK Rear Drive Shaft Wb Automatic Transmission 431-01973 Van 124 75-78

fits model: E100. make: Ford. year: 1978.

431-01973 Ford Truck Rear Drive Shaft 124 Inch Wb Automatic Transmission Fits 75-78 E100 Van 1520641

( Brand: Ford Truck ), ( Part Type: Driveshaft Transmission ), ( Conditions Options: Rear 1 Piece W To W 42 1 2 Off R ), ( Genuine Oem: Yes ), ( Ipn: 431-01973 ), ( Warranty: 90 Day )

Review FORD TRUCK Rear Drive Shaft 124 Inch Wb Automatic Transmission 75-78 Van fits E100 1978

The **Ford 431-01973 Rear Drive Shaft** is a precision-engineered, high-performance component designed exclusively for the **1975 1978 E100 (Club Wagon) with a 124-wheelbase and automatic transmission**, ensuring seamless power transfer from the transmission to the rear axle. This drive shaft is a direct OEM replacement, meticulously crafted to match the original specifications of Ford s robust drivetrain system, guaranteeing perfect fitment without compromising on durability or performance. Constructed from high-strength steel, it features a **splined universal joint (U-joint) at the transmission end** and a **constant velocity (CV) joint at the axle end**, both of which are sealed with robust rubber boots to protect against dust, debris, and moisture critical for maintaining smooth operation and extending the lifespan of the drivetrain. The shaft s **balanced design** minimizes vibration and wear, while its **heavy-duty construction** ensures it can handle the torque demands of the E100 s V8 engine configurations, whether paired with a **C4 automatic transmission** or other compatible units from this era. Ideal for restoration projects, replacement needs, or performance upgrades, this drive shaft is a reliable choice for enthusiasts seeking authenticity and longevity in their Ford E100. Proper installation requires alignment with the transmission yoke and axle flange, along with the use of the correct fasteners to prevent loosening under load. Whether restoring a classic van to its original glory or upgrading an existing drivetrain, this **Ford 431-01973 Rear Drive Shaft** delivers the precision and strength needed to keep your E100 running smoothly for years to come.

### **Pros and Cons of Buying a Ford 431-01973 Rear Drive Shaft (124 WB E100 Van, 75-78, Automatic Transmission)**

#### **Pros**

1. **Reliability of the Ford E-Series Platform**

The Ford E100 (124 chassis) is a well-built commercial van known for durability, especially in the 1975 1978 model years. Many of these vans were designed for heavy-duty use, making them sturdy for work or conversion projects.

2. **Availability of Parts**

As a classic but still moderately common vehicle, parts like the rear drive shaft (431-01973) are relatively easy to find, especially from Ford dealers, salvage yards, or online marketplaces. Aftermarket suppliers also carry compatible replacements.

3. **Compatibility with Automatic Transmissions**

The 431-01973 shaft is designed specifically for the 1975 1978 E100 with an automatic transmission (likely the C4 or C6), ensuring proper fit and function without drivetrain modifications.

4. **Potential for Customization**

The E100 chassis is a favorite for conversions (camper vans, mobile workshops, etc.). A functional rear drive shaft means you can work on drivetrain projects without immediate failure, making it easier to modify the vehicle.

5. **Lower Cost Compared to Modern Vans**

Purchasing a used E100 with a known drivetrain component like this shaft is significantly cheaper than buying a new or modern commercial van, allowing for better budget allocation toward other repairs or upgrades.

6. **Proven Durability of Ford s Drivetrain Components**

Ford s early automatic transmissions and drive shafts in this era were built to last, especially if maintained properly. Many original components still function well after decades of use.

7. **Community and Support Resources**

There is an active community of E100 enthusiasts who share knowledge on repairs, modifications, and part sourcing. Forums, YouTube channels, and local clubs can provide guidance if issues arise.

---

#### **Cons**

1. **Age-Related Wear and Tear**

Vans from this era (1975 1978) are over 40 years old, meaning the drive shaft, transmission, and other components may have significant wear. Rust, bent shafts, or worn-out universal joints are common issues that could require replacement soon after purchase.

2. **Potential for Hidden Damage**

Without a thorough inspection, you might inherit a van with a cracked driveshaft housing, bent yokes, or a failing transmission. Rust in the chassis or frame can also compromise structural integrity.

3. **Limited Warranty or No Warranty**

Used parts (even if new) and older vehicles typically come with no warranty. If the shaft fails shortly after purchase, you ll be responsible for the repair cost.

4. **Difficulty in Finding a Mechanic Familiar with Ford E-Series**

While Ford mechanics may know the basics, not all shops specialize in older commercial vans. You may need to seek out a specialist or learn to perform repairs yourself.

5. **Fuel Efficiency and Emissions Concerns**

Older automatic transmissions and drivetrains are less efficient than modern equivalents. If you plan to use the van frequently, expect higher fuel costs and potential emissions issues if it s not properly maintained.

6. **Potential for Electrical or Transmission Issues**

The C4 or C6 automatic transmissions in these vans are known for occasional failure, especially if fluid hasn t been changed regularly. Electrical gremlins (e.g., faulty solenoids, wiring issues) are also common in older vehicles.

7. **Resale Value is Minimal**

If you decide to sell the van later, the E100 s resale value is low compared to its purchase price, especially if it requires extensive work.

---

### **Conclusion**

Buying a **Ford 431-01973 rear drive shaft for a 1975 1978 E100 van with an automatic transmission** can be a smart investment if you re prepared for the challenges of an older vehicle. The shaft itself is a reliable component, but the overall condition of the van including transmission health, rust, and drivetrain integrity will determine whether this purchase is worthwhile.

If you re an experienced mechanic, enjoy classic vehicles, or plan to use the van for a specific project (e.g., a camper conversion), the cost savings and potential for customization may outweigh the risks. However, if you re looking for a hassle-free, long-term work van, a newer model with modern drivetrain technology would be a safer choice.

---

### **Recommendation**

1. **Inspect Thoroughly Before Purchase**

- Have a trusted mechanic check the **transmission fluid**, **driveshaft for cracks or bends**, and **universal joints** for wear.

- Look for **rust in the frame, suspension, and drivetrain mounts**.

- Test-drive the van to ensure smooth shifting and no unusual noises.

2. **Buy from a Reputable Seller**

- Prefer sellers who offer **warranties on parts** or provide maintenance records.

- Avoid "as-is" sales unless you re confident in your ability to assess the vehicle s condition.

3. **Budget for Additional Repairs**

- Expect to spend **$500 $1,500 ** on top of the van s purchase price for potential transmission fluid changes, driveshaft repairs, or suspension work.

4. **Consider a Used but Well-Maintained Example**

- If possible, look for an E100 with **documented transmission service history** and minimal rust.

- A **1976 1977 model** may strike a balance between availability and reliability.

5. **Alternative Options**

- If the E100 s age is a concern, consider a **later-model Ford E-Series (1980s early 1990s)** with a more modern automatic transmission (e.g., C6 or 4R70W).

- For a modern alternative, a **Ram ProMaster, Ford Transit, or Chevrolet Express** offers better fuel efficiency and reliability.

**Final Verdict:**

If you re **mechanically inclined, willing to invest time in maintenance, and need a durable work van for a specific purpose**, the 431-01973 driveshaft and E100 van can be a good deal. However, if you prioritize **low maintenance and long-term reliability**, a newer van with a modern drivetrain is the safer choice. Always weigh the pros and cons against your budget, skills, and intended use.

Details:

Year: 1978, model: E1 Stock #: WG5832, Mileage. It is ready to ship and comes with a 90 day warranty. For more parts from this vehicle. Notes: REAR 1 PIECE W TO 42 2 OFF R.

FORD E100 VAN 75-77 124 WB, AT; 8-351. See below for fitment information and any notes pertaining to this specific part. Donor Vehicle.

part #: e100 price

  • $180.59

specifications universajoin:

  • for models: E100
  • for makes: Ford
  • for years: 1978
  • brand: Ford Truck
  • part type: Driveshaft Transmission
  • conditions options: Rear 1 Piece W To W 42 1 2 Off R
  • genuine oem: Yes
  • ipn: 431-01973
  • warranty: 90 Day

returns universajoin:

  • paid by: Seller
  • time: 60 Days
  • policy: Returns Accepted

offer universajoin:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 1
  • started: April 2, 2026
  • best offers: True
  • sold: 0

payments universajoin:

  • credit card: Discover
  • other
  • wallet: Paypal

general universajoin:

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

shipping universajoin:

  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 2-6 Days
  • carrier: UPS
  • service: UPS Ground

seller universajoin:

  • city: Toledo, Ohio
  • # reviews: 15678
  • rating: 98.9%
for models: e100, for makes: ford, for years: 1978, part type: driveshaft transmission, conditions options: rear 1 piece w to w 42 1 2 off r, genuine oem: yes, warranty: 90 day,
manufacturer: ford, category: auto parts > transmission drivetrain > driveshafts parts > additional driveshaft parts, sku: 15224653488397793,
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