fits model: F100. make: Ford. year: 1976.

( Brand: Ford Truck ), ( Part Type: Driveshaft ), ( Conditions Options: Rear 1 Piece W To W 37-3 4in Off ), ( Genuine Oem: Yes ), ( Ipn: 431-01875 ), ( Warranty: 90 Day )
The **Ford 431-01875 Rear Drive Shaft 117WB Carrier (1973 1978 F-Series, F-100)** is a precision-engineered component designed to deliver reliable power transfer from the transmission to the rear axle in Ford s iconic F-100 trucks from the mid-1970s. This drive shaft assembly, part of Ford s **117WB** driveline system, is built to withstand the demands of heavy-duty towing, hauling, and off-road performance while maintaining durability under varying load conditions. The carrier itself is a robust, cast steel housing that houses the universal joints and splined shaft, ensuring smooth and efficient torque transmission even during aggressive driving maneuvers. Engineered with Ford s signature attention to detail, this drive shaft features **dual bearing support** at both ends to minimize wear and vibration, enhancing longevity and reducing the risk of catastrophic failure. The **117WB carrier** is specifically designed to accommodate the unique drivetrain specifications of the **1973 1978 F-100**, including compatibility with **9-inch and 10-inch rear axle setups**, making it a versatile choice for restorers and performance enthusiasts seeking authenticity in their builds. Whether used in a classic truck restoration, a high-mileage rebuild, or an off-road application, this drive shaft is a critical component that ensures seamless power delivery, reduced noise, and extended driveline life all while maintaining the original Ford performance standards of the era.
### **Pros and Cons of buying a Ford 431-01875 Rear Drive Shaft (117" WB Carrier, 73-78 F-100)**
#### **Pros:**1. **Direct OEM Replacement** This is a genuine Ford part, ensuring a perfect fit and compatibility with 1973 1978 Ford F-100 trucks with an 117-inch wheelbase. It eliminates the risk of sizing issues or performance problems that can arise with aftermarket or mismatched parts.
2. **Reliability and Durability** Ford s original components are built to withstand heavy loads and frequent use, making this drive shaft a dependable choice for daily driving or towing. The robust construction reduces the likelihood of premature failure.
3. **Warranty Coverage** Purchasing from a reputable dealer or Ford-authorized supplier often includes a warranty, providing peace of mind in case of defects. This can save money on repairs if the part fails unexpectedly.
4. **Easier Maintenance and Repairs** Since it s an OEM part, mechanics familiar with Ford trucks will be more comfortable working with it. Replacement or repairs will be straightforward, and parts will be readily available.
5. **Compatibility with Aftermarket Upgrades** If you plan to modify your truck (e.g., lift kits, performance axles, or suspension upgrades), this drive shaft will integrate smoothly with most aftermarket components designed for the same era.
6. **Resale Value** Keeping original or high-quality OEM parts can help maintain the truck s value, especially if you plan to sell it in the future. Buyers often prefer vehicles with original components.
7. **No Customization Hassles** Unlike aftermarket parts that may require additional balancing, alignment, or tuning, this drive shaft is ready to install out of the box, saving time and effort.
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#### **Cons:**1. **Higher Cost** OEM parts are typically more expensive than aftermarket alternatives. The price of the 431-01875 drive shaft may be significantly higher than a comparable aftermarket part, which could be a barrier for budget-conscious buyers.
2. **Limited Availability** While Ford still produces some OEM parts, availability can be inconsistent, especially for older models. You may need to order from a specialty supplier, which could delay your project.
3. **Potential for Counterfeit Parts** Buying from untrusted sellers increases the risk of receiving a fake or low-quality part. Always verify the seller s reputation and authenticity of the part number.
4. **Weight** OEM drive shafts are often heavier than aftermarket lightweight alternatives. This can slightly reduce fuel efficiency, though the difference is usually negligible unless you re driving long distances daily.
5. **No Performance Enhancements** Unlike aftermarket drive shafts designed for performance (e.g., lighter weight, improved balance, or reinforced materials), this OEM part won t offer any speed or handling benefits.
6. **Installation Complexity** While not overly difficult, replacing a drive shaft requires some mechanical skill. If you re not comfortable with the process, you ll need to pay a mechanic, adding to the overall cost.
7. **Potential for Wear in Older Parts** If you re buying a used OEM part, there s a chance it may have some wear or damage, even if it s not immediately visible. Inspecting the part thoroughly or opting for a new one is recommended.
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### **Conclusion:**The **Ford 431-01875 rear drive shaft (117" WB, 73-78 F-100)** is an excellent choice if you prioritize **reliability, compatibility, and long-term durability**. It s the safest option for restoring or maintaining an original F-100, ensuring a perfect fit and minimizing future issues. However, the **higher cost and potential availability challenges** make it less ideal for buyers on a tight budget or those looking for performance upgrades.
If your primary goal is **functionality and longevity** without compromising on quality, this is the best option. If you re open to saving money or exploring performance benefits, an **aftermarket drive shaft** (from a reputable brand like **Dana, Spicer, or Currie**) could be a viable alternative just ensure it s properly balanced and compatible with your truck s setup.
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### **Recommendation:** - **Buy the OEM part (431-01875) if:**- You want the most reliable, long-lasting solution.
- You re restoring an original F-100 and want to preserve its authenticity.
- You re willing to pay the premium for peace of mind.
- You plan to keep the truck for many years and want to avoid future compatibility issues.
- **Consider an aftermarket alternative if:**- You re on a budget and can find a high-quality, properly balanced aftermarket shaft.
- You re upgrading your truck with performance parts and need a lighter or more durable shaft.
- You re comfortable with installation and want to save money without sacrificing too much reliability.
**Final Tip:** Always purchase from a **trusted dealer or Ford-approved supplier** to avoid counterfeit parts. If buying used, inspect the shaft for cracks, wear, or damage before installation. For new parts, verify the part number and authenticity to ensure you re getting a genuine OEM component.
See below for fitment information and any notes pertaining to this specific part. Notes: REAR 1 PIECE W TO 37-3 4IN OFF. Donor Vehicle. It is ready to ship and comes with a 90 day warranty.
Year: 1976, model: F1 Stock #: WE4330, Mileage. For more parts from this vehicle. This part will only fit: FORD F100 PICKUP 73 117 WB, AT; 4x2, 8-302, 73-74 6-240, 74-76 C4, 75-76 6-3 77 removable carrier, 78 C4 transmission.