JEEP 431-01787 Rear Driveshaft 11400672

( Genuine Oem: Yes ), ( Ipn: 431-01787 ), ( Placement On Vehicle: Rear ), ( Type: Driveshaft )

Review JEEP Rear Driveshaft fits CJ5 1981–1983

The **Jeep 431-01787 Rear Driveshaft (Part Number: 11400672)** is a critical and robust component designed specifically for the **1981 through 1983 Jeep CJ-5** models, ensuring reliable power transfer from the transfer case to the rear axle in both two-wheel and four-wheel-drive configurations. This driveshaft is engineered to withstand the demanding conditions of off-road adventures, rugged terrain, and heavy-duty towing, making it an essential upgrade or replacement for enthusiasts seeking durability and performance. Constructed from high-strength steel, the driveshaft features a **splined universal joint (U-joint) at the transfer case end** and a **slip-yoke at the axle end**, allowing for smooth articulation and flexibility as the vehicle navigates uneven surfaces while maintaining a secure connection to the drivetrain. The **11400672** part number ensures compatibility with the CJ-5 s **131-inch wheelbase** and **3054-series rear axle**, providing a precise fit for both the **258 cubic-inch six-cylinder engine** and the **304 cubic-inch V8** configurations, which were common in these models. The driveshaft s design incorporates **sealed bearings and grease-filled U-joints**, reducing friction and preventing premature wear, even under prolonged use in harsh environments. Whether restoring a classic CJ-5 to its original glory or enhancing an existing setup for modern off-roading demands, this driveshaft delivers the strength and reliability needed to handle the rigors of both on-road and off-road driving. Its **universal compatibility** with aftermarket components and the ability to accommodate slight modifications make it a versatile choice for Jeep owners looking to maintain or upgrade their vehicle s drivetrain integrity. Proper installation, including alignment with the transfer case and axle yokes, is crucial to ensure optimal performance and longevity, making this driveshaft a must-have for any Jeep CJ-5 owner prioritizing durability and off-road capability.

### Pros and Cons of buying a Jeep 431-01787 (1981-1983 CJ5 Rear Driveshaft, Part #11400672)

1. **Reliability and Durability** Jeep driveshafts, especially those from the 1980s, are known for their robust construction. The 431-01787 is designed to handle off-road conditions, making it a solid choice for classic CJ5 owners who frequently drive on rough terrain.

2. **Compatibility** This driveshaft is specifically engineered for the 1981-1983 CJ5, ensuring a perfect fit without modifications. It includes all necessary components, including the yokes, bearings, and universal joints, which reduces the risk of compatibility issues.

3. **Ease of Installation** The driveshaft is designed for straightforward installation, assuming the buyer has basic mechanical knowledge or access to a mechanic. Jeep s older models often feature simpler drivetrain systems compared to modern vehicles, which can make repairs and replacements more manageable.

4. **Cost-Effective Replacement** Compared to rebuilding or repairing a damaged driveshaft, purchasing a new or high-quality used OEM driveshaft like this one can be more economical in the long run. It prevents the need for constant repairs and potential downtime.

5. **Availability of Parts** Jeep parts, especially for the CJ5 era, are still relatively accessible, though availability may vary depending on location. This driveshaft is a common part, so finding replacements or additional components should not be difficult.

6. **Off-Road Performance** The driveshaft is built to withstand the stresses of off-roading, including vibrations and impacts. This makes it ideal for owners who frequently take their CJ5 on trails, rocks, or uneven surfaces.

7. **Long-Term Investment** If maintained properly, a Jeep driveshaft like this can last for decades. Purchasing a quality driveshaft upfront can save money and frustration over time, especially for enthusiasts who plan to keep their vehicle running for many years.

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1. **Age and Wear** The 1981-1983 CJ5 driveshafts, while durable, are not immune to wear and tear over time. If the driveshaft is old or has been previously damaged, it may require additional inspection or replacement of internal components like universal joints or bearings.

2. **Potential for Counterfeit Parts** The aftermarket for Jeep parts can be saturated with counterfeit or low-quality replicas. Buyers must ensure they are purchasing an authentic OEM or high-quality aftermarket part to avoid premature failure or safety risks.

3. **Labor Costs** While the driveshaft itself may be affordable, installation can be labor-intensive, especially for those without mechanical experience. Professional installation may incur additional costs, though this is often necessary to ensure proper alignment and function.

4. **Limited Customization** Unlike modern vehicles, the CJ5 s driveshaft is not easily customizable. If an owner wants to modify their vehicle s drivetrain (e.g., for performance or different axle ratios), they may need to source entirely different components, which could be more expensive or difficult to find.

5. **Rust and Corrosion** Older Jeep parts, especially those exposed to moisture or salt, can suffer from rust and corrosion. Buyers should inspect the driveshaft thoroughly for signs of rust, which could weaken its structural integrity over time.

6. **Part Availability Over Time** While still available, Jeep parts for older models may become harder to find as demand shifts toward newer vehicles. Buyers should consider storing spare parts or having a backup plan in case the driveshaft needs replacement in the future.

7. **Potential for Hidden Damage** When purchasing a used driveshaft, there is always a risk of hidden damage, such as cracked yokes, worn bearings, or internal damage from previous misuse. A thorough inspection or professional assessment is recommended before purchase.

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The Jeep 431-01787 rear driveshaft for the 1981-1983 CJ5 is a practical and reliable component for owners looking to maintain or restore their vehicle. Its durability, compatibility, and off-road suitability make it a strong candidate for those who prioritize functionality and longevity. However, potential buyers should be mindful of the risks associated with age, quality, and installation costs. Proper inspection, sourcing from reputable sellers, and considering professional installation are key steps to ensure a successful purchase.

If you are in need of a replacement or upgrade for your CJ5 s rear driveshaft, purchasing the **431-01787 (11400672) OEM or high-quality aftermarket part** is a solid choice, provided you take the following steps:

1. **Verify Authenticity** Purchase from a trusted dealer or seller who specializes in Jeep parts to avoid counterfeit or low-quality replicas.

2. **Inspect Thoroughly** If buying used, have a mechanic inspect the driveshaft for signs of wear, rust, or damage before purchasing.

3. **Consider Professional Installation** While DIY installation is possible, professional installation ensures proper alignment and function, reducing the risk of future issues.

4. **Store Spares** Given the potential challenges in part availability over time, consider keeping a spare driveshaft or related components on hand.

5. **Maintain Regularly** Regular lubrication and inspection of the driveshaft and related components (e.g., universal joints, bearings) will extend its lifespan and prevent unexpected failures.

For most CJ5 owners, this driveshaft is a worthwhile investment that balances cost, reliability, and performance. However, weigh the pros and cons carefully based on your specific needs, budget, and mechanical comfort level.

Details:

CJ-SERIES 82 CJ5; 4 cylinder, speed, T4 transmission. CJ-SERIES 82 CJ5; 6 cylinder. CJ-SERIES 81 CJ5;. CJ-SERIES 82 CJ5; 4 cylinder, 5 speed.

Labor and costs associated with part installation are not covered under warranty.

part #: 431-01787 price

• $184.04

specifications universajoin:

• for models: Cj5
• for makes: Jeep
• for years: 1981-1983
• genuine oem: Yes
• ipn: 431-01787
• placement on vehicle: Rear
• type: Driveshaft

general universajoin:

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

shipping universajoin:

• carrier: FedEx
• type: Fixed
• transit: 2-5 Days
• class: Standard
• cost: $0.00
• service: FedEx Ground / FedEx Home Delivery

offer universajoin:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True
• started: May 7, 2026

payments universajoin:

• wallet: Apple-pay
• credit card: Discover
• other

seller universajoin:

• city: Spokane, Washington
• # reviews: 50314
• rating: 99.9%

returns universajoin:

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

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