FORD 431-01750A Rear Drive Shaft Automatic Transmission 4-140 2.3L 78-83 Fairmont

( Model: FAIRMONT ), ( Part Type: Driveshaft Transmission ), ( Conditions Options: Bring Sample 5.0 Rear 1 Piece Wtw 4 ), ( Genuine Oem: Yes ), ( Ipn: 431-01750a ), ( Warranty: 90 Day )

Review FORD Rear Drive Shaft 2.3l Automatic Transmission Fairmont fits 1978

The **Ford 431-01750A Rear Drive Shaft (Part Number 431-01750A)** is a meticulously engineered, high-performance component designed exclusively for **1978 1983 Ford Fairmont models** equipped with the **2.3L inline-four engine paired with an automatic transmission (C4 or C5)**. This drive shaft is a critical link in the drivetrain, transmitting power from the transmission to the rear axle with precision and reliability, ensuring seamless acceleration and optimal handling. Crafted from durable **high-strength steel**, this shaft is built to withstand the demands of daily driving, off-road excursions, and the occasional aggressive maneuver, making it an ideal choice for both restoration projects and modern upgrades. The **4-140** designation indicates its compatibility with **4-speed automatic transmissions**, while the **universal joint (U-joint) and slip yoke** design allows for smooth operation even under varying suspension movements, reducing wear and preventing premature failure. Whether restoring a classic Fairmont to its original glory or enhancing its performance for contemporary use, this drive shaft delivers **superior durability, accurate power transfer, and long-lasting performance**, ensuring that every mile driven is smooth, efficient, and free from drivetrain concerns. Its **OEM-quality construction** guarantees a perfect fit with minimal modifications required, making it a straightforward yet essential upgrade for enthusiasts seeking both authenticity and reliability.

### **Pros and Cons of Buying a Ford 431-01750A Rear Drive Shaft (4.140" for 2.3L Automatic Transmission, 78-83 Fairmont)**

1. **Direct Fitment** This is an original Ford part designed specifically for the 2.3L inline-4 engine in the 1978 1983 Fairmont (and similar models like the Fairlane, Granada, and Thunderbird). It ensures proper alignment and function without modifications.

2. **Reliability** Ford s aftermarket parts, especially those from the original factory, are generally durable if the vehicle has been well-maintained. The 431-01750A is a common drivetrain component, meaning it has been widely tested over time.

3. **Ease of Installation** Since it s a direct replacement, installation is straightforward for someone with basic mechanical skills. No major modifications to the drivetrain are required.

4. **Cost-Effective** Compared to rebuilding or replacing an entire axle assembly, this is a relatively inexpensive solution for a failing driveshaft. Prices typically range from $100 $200, depending on condition and seller.

5. **Prevents Further Damage** A failing driveshaft can damage the transmission or differential if ignored. Replacing it early avoids costly repairs down the line.

6. **Availability** These parts are still available through Ford dealers, aftermarket suppliers, and online marketplaces, making sourcing easier than for older, discontinued models.

7. **Compatibility with Common Modifications** If you plan to upgrade suspension, tires, or drivetrain components, this driveshaft will work with aftermarket parts designed for the same vehicle platform.

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1. **Age and Wear** Even if the driveshaft itself is new or in good condition, the vehicle may have other aging components (universal joints, CV joints, mounts) that could fail soon after replacement. A full inspection is recommended.

2. **Potential for Counterfeit Parts** Some sellers may offer replicas or low-quality aftermarket parts labeled as "Ford" to cut costs. Always verify the part s authenticity, especially when buying from third-party sellers.

3. **Limited Lifespan** While durable, driveshafts can wear out over time due to rust, misalignment, or excessive stress (e.g., aggressive driving, off-roading). Regular maintenance (lubrication, inspections) is necessary.

4. **Installation Challenges** If the vehicle has been modified (e.g., lifted suspension, custom drivetrain angles), the driveshaft may not fit perfectly without adjustments. Professional installation may be required.

5. **Transmission Compatibility Risks** The 2.3L automatic transmission in these models is known for issues like solenoid failures, torque converter problems, and fluid leaks. Replacing just the driveshaft won t address these, which could still cause drivetrain stress.

6. **Rust and Corrosion** Older vehicles, especially those driven in snowy or salted climates, may have rusted drivetrain components. Inspect the driveshaft, yokes, and mounting points for corrosion before purchasing.

7. **Limited Warranty** Unless purchased from a dealership with a warranty, you may have no recourse if the part fails prematurely. Aftermarket sellers often offer limited warranties (e.g., 30 90 days).

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### **Conclusion**

The **Ford 431-01750A rear driveshaft** is a practical and cost-effective solution for restoring drivetrain function in a **1978 1983 2.3L automatic Fairmont**, provided the vehicle is otherwise in decent condition. It avoids the expense of rebuilding an axle and ensures proper fitment. However, it s not a "fix-all" part other components (transmission, universal joints, mounts) should be inspected to prevent future failures.

If you re replacing the driveshaft due to **vibrations, clunks, or a whining noise**, this part will address the immediate issue. But if the vehicle has **transmission slippage, rough shifting, or fluid leaks**, those problems must be addressed separately to avoid recurring drivetrain stress.

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### **Recommendation**

1. **Verify the Part s Authenticity** Purchase from a reputable dealer (e.g., RockAuto, local Ford parts store) or a trusted seller with good reviews. Avoid suspiciously cheap offers that may be counterfeit.

- **Transmission health** (fluid level, leaks, shifting smoothness).

- **Universal joints and CV joints** for wear or play.

- **Mounts and bushings** for cracks or excessive movement.

- **Rust** on the driveshaft, axle housing, and suspension components.

3. **Consider Professional Installation** If you re not experienced with drivetrain work, have a mechanic install it to ensure proper alignment and torque specifications.

4. **Budget for Additional Maintenance** After replacement, monitor the driveshaft for unusual noises or vibrations. Lubricate universal joints if required (some models use greaseable joints).

5. **Explore Alternatives if Needed** If the driveshaft fails repeatedly or the vehicle has other severe issues, weigh the cost of repairs against the car s value. Some older Fords may not be worth extensive restoration.

- The vehicle is otherwise reliable.

- You re replacing it due to a clear driveshaft failure (not transmission or suspension issues).

- You re prepared for potential follow-up repairs on related components.

- The vehicle has a history of transmission problems.

- The driveshaft is rusted or the vehicle has been neglected.

- You re unsure about installation or the part s quality.

Details:

Year: 1978, model: FAIRMONT, Stock #: WE4620, Mileage. It is ready to ship and comes with a 90 day warranty. Donor Vehicle. See below for fitment information and any notes pertaining to this specific part.

For more parts from this vehicle. Notes: BRING SAMPLE 5.0 REAR 1 PIECE WTW 4. This part will only fit: COUGAR 81 excl.

part #: 431-01750a prices

• $207.50-$689.31

specifications universajoin:

• for makes: Ford
• for years: 1978
• model: Fairmont
• part type: Driveshaft Transmission
• conditions options: Bring Sample 5.0 Rear 1 Piece Wtw 4
• genuine oem: Yes
• ipn: 431-01750a
• warranty: 90 Day

payments universajoin:

• other
• wallet: Google-pay
• credit card: Mastercard

general universajoin:

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

seller universajoin:

• city: Toledo, Ohio
• # reviews: 15130
• rating: 98.9%

returns universajoin:

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

shipping universajoin:

• class: Standard
• type: Fixed
• cost: $0.00
• carrier: UPS
• transit: 4-7 Days
• service: UPS Ground

offer universajoin:

• sold: 0
• started: February 14, 2026
• quantity: 1
• best offers: True
• availability: In Stock
• options: Ship-to-home

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