fits model: 740. make: Volvo. year: 1986.

( Part Type: Driveshaft Transmission ), ( Conditions Options: Rear 2 Piece Wtw F 19 R 32 6mo ), ( Genuine Oem: Yes ), ( Ipn: 431-58122 ), ( Warranty: 90 Day )
The **Volvo 431-58122 Rear Drive Shaft** is a meticulously engineered, high-performance component designed exclusively for Volvo models equipped with the **ZF S5-22 (ZF22) automatic transmission**, spanning the production years of **1985 to 1990** and covering the **740 series**. This drive shaft represents a critical link in the powertrain, transmitting torque from the transmission to the rear axle with precision and reliability, ensuring seamless power delivery while maintaining the iconic Volvo driving dynamics. Crafted from high-grade, heat-treated steel, the shaft features a robust **spline connection** at the transmission end, engineered to withstand the demanding torque outputs of the **2.3L or 2.5L inline-five engines** paired with the ZF22 automatic, which were standard in these models. The outer CV (constant velocity) joint, a hallmark of Volvo s engineering in this era, incorporates a **ball-and-trough design** with reinforced rubber boots to protect internal components from debris, dust, and moisture, thereby extending the shaft s operational lifespan under harsh conditions. The **740 series** renowned for its blend of Scandinavian elegance and engineering sophistication relies on this drive shaft to deliver the refined yet spirited performance for which Volvo was celebrated in the late 1980s. Whether navigating urban traffic or cruising on open highways, this component ensures smooth, vibration-free power transfer, contributing to the car s reputation for comfort and control. For restoration or replacement projects, this **OEM Volvo 431-58122 rear drive shaft** is an essential part, offering a direct fit with minimal modifications required, thus preserving the vehicle s original integrity and performance characteristics. Its compatibility with the **ZF22 automatic transmission** a transmission known for its durability and smooth shifting makes it a sought-after part for enthusiasts aiming to restore or maintain their Volvo 740 in its prime condition.
### **Pros and Cons of Buying a Volvo 431 (58122 Rear Drive Shaft, Automatic Transmission ZF22, 1985 1990, 740 Series)**
#### **Pros**
1. **Classic Volvo Reliability** Volvo s mechanical engineering from this era is well-regarded for durability, especially in drivetrain components. The ZF22 automatic transmission was a robust choice for its time, though it has known weaknesses.
2. **Strong Engine Options** The 2.3L or 2.5L inline-6 engines (B230F/B250F) are known for longevity if maintained properly. They produce solid power for a car of this size and era.
3. **Rear-Wheel Drive (RWD) Handling** The RWD layout provides better weight distribution, improved traction in dry conditions, and a more engaging driving experience compared to front-wheel drive. This makes it a better choice for enthusiasts or those who prefer classic handling dynamics.
4. **Timeless Design** The 740 Series (1985 1990) features Volvo s signature boxy yet elegant styling, which remains desirable among classic car enthusiasts. The interior is spacious and functional, with good build quality for its time.
5. **Potential for Restoration or Modification** The 740 is a popular project car, meaning parts are available, and aftermarket support exists for upgrades (e.g., suspension, brakes, or engine tuning). A well-restored example can be a rewarding long-term investment.
6. **Lower Fuel Consumption Than Modern SUVs** Compared to today s larger, less efficient vehicles, a 740 with a properly maintained engine will consume fuel more efficiently, making it cost-effective to run.
7. **Resale Value for Classics** Volvo s reputation for quality means that well-preserved 740s hold value better than many contemporaries. Enthusiasts and collectors continue to seek out these models.
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#### **Cons**
1. **ZF22 Automatic Transmission Issues** The ZF22 is notorious for failing over time, particularly with the torque converter and internal clutch components. Common symptoms include slipping, delayed engagement, or complete failure. Rebuilding or replacing it can be expensive (often $2,000 $4,000 or more).
2. **Rust Concerns** Volvo 740s from the mid-1980s to early 1990s are prone to rust, especially in the wheel arches, sills, and undercarriage. A thorough inspection is critical to avoid hidden corrosion that could lead to structural or drivetrain problems.
3. **Electrical System Reliability** The 740 s electrical system can be finicky, with issues like failing alternators, starter motors, or wiring problems. Modern electronics may not always be compatible with aftermarket upgrades.
4. **Maintenance Costs** While the engine and chassis are durable, parts for older Volvos can be expensive, especially if they re no longer in production. Labor costs for specialized mechanics may also be higher than for modern cars.
5. **Limited Modern Safety Features** The 740 lacks modern safety standards (e.g., ABS, airbags, or advanced crash structures). While this doesn t affect drivability, it s a consideration for daily driving or insurance costs.
6. **Fuel Injection Reliability** The Bosch L-Jetronic fuel injection system (common in these models) can develop leaks or sensor failures over time, requiring attention to maintain optimal performance.
7. **Market Availability and Condition Variability** Finding a well-documented example with a clean service history can be challenging. Many 740s on the market are project cars, and hidden issues (e.g., transmission, rust, or electrical problems) may not be immediately apparent.
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### **Ending Conclusion**
Buying a **Volvo 740 (1985 1990) with a ZF22 automatic transmission and RWD** can be a rewarding purchase for the right buyer particularly those who appreciate classic Volvo engineering, enjoy restoration projects, or seek a unique driving experience. The RWD layout and robust engine make it a standout among its contemporaries, and its timeless design ensures it remains desirable.
However, the **ZF22 transmission is the biggest weakness**, and potential buyers must be prepared for either a **full rebuild or replacement** (a significant expense). Rust, electrical quirks, and maintenance costs are also real concerns that require careful consideration. If you re willing to invest time and money into restoring or maintaining the car, it can be a fantastic long-term project or a reliable classic daily driver.
For those who prioritize **low maintenance and modern reliability**, a newer Volvo or another classic with a more proven transmission (e.g., a manual-equipped 740 or a later-model automatic) may be a safer choice. But for enthusiasts who value **character, driving dynamics, and the challenge of working with a classic**, the 740 remains an excellent option.
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### **Recommendation**
- **Buy if:** You have mechanical skills, budget for transmission repairs, and are prepared for rust prevention/maintenance. You prefer RWD handling and enjoy classic Volvo styling.
- **Avoid if:** You want a plug-and-play classic with minimal hassle, or if you re unwilling to invest in transmission work or rust repairs.
- **Best Approach:** Inspect the transmission thoroughly (check for leaks, smooth shifting, and no slipping). Verify the car s rust condition (especially wheel wells and frame). Consider getting a pre-purchase inspection from a Volvo specialist. If the transmission is questionable, factor in the cost of a rebuild or replacement before purchasing.
A well-maintained 740 can be a fantastic car, but it requires commitment just like any classic.
Year: 1986, model: 740, Stock #: WW9743, Mileage: 83000. It is ready to ship and comes with a 90 day warranty. Donor Vehicle. Notes: REAR 2 PIECE WTW F 19 R 32 6MO.
VOLVO 740 85 AT, ZF manufactured transmission ZF22. For more parts from this vehicle. See below for fitment information and any notes pertaining to this specific part.