fits model: 5500, 4x4, Ram. make: Dodge, Mopar. year: 2008–2014.

( Brand: Mopar ), ( Manufacturer Part Number: 52123057AB ), ( Type: Driveshaft ), ( Placement On Vehicle: Rear ), ( Ipn: 52123057ac ), ( Materials Sourced From: Us ), ( Country Of Origin: United States )
The **Mopar 52123057AB Rear Drive Shaft** is a high-performance, precision-engineered drivetrain component designed exclusively for the **2008 2014 Dodge Ram 4500 and 5500 models** with a **168-inch wheelbase (WB) and 4x4 four-wheel-drive (4WD) configuration**. This drive shaft is a critical link in the vehicle s powertrain system, transmitting torque from the transfer case to the rear axle while maintaining optimal balance, strength, and durability under heavy-duty demands. Built to Mopar s rigorous standards, this shaft features a **robust tubular construction** with **high-strength steel** to withstand the rigorous stresses of towing, hauling, and off-road use, ensuring reliable performance even under extreme conditions. The **universal joint (U-joint) and constant velocity (CV) joint** assemblies are engineered for smooth operation, reducing vibration and wear while extending the lifespan of the drivetrain components. The **balanced shaft** minimizes harmful vibrations that can lead to premature failure, providing a quieter, more comfortable ride while enhancing overall drivetrain efficiency. Whether used in a **heavy-duty work truck, a towing application, or an off-road adventure vehicle**, this drive shaft delivers the strength and precision needed to handle demanding tasks with confidence. Its **direct-fit compatibility** ensures an easy installation, allowing mechanics to replace worn or damaged shafts without the need for modifications, making it an ideal choice for both professional shops and DIY enthusiasts. With its **durable construction, precise engineering, and Mopar s reputation for quality**, this drive shaft is an essential upgrade for maintaining the reliability and performance of your **2008 2014 Ram 4500/5500 4x4**, ensuring seamless power delivery to the rear wheels for years of dependable service.
### **Pros and Cons of buying a Mopar 52123057AB (08-14 Dodge Ram 4500/5500 Chassis 4x4, 168" WB, Rear Drive Shaft)**
#### **Pros:**1. **Durability and Reliability** The 2008 2014 Dodge Ram 4500/5500 is built on a heavy-duty chassis designed for commercial and heavy-duty applications. The frame is robust, and the drivetrain components (including the rear drive shaft you re referencing) are engineered for longevity, especially in 4x4 configurations.
2. **Strong Engine Options** These trucks often come with high-torque diesel engines (e.g., Cummins ISB, Duramax, or the older Cummins 6.7L) or heavy-duty gasoline V8s, making them capable of handling towing, hauling, and off-road use with ease.
3. **4x4 Capability** The 4x4 system (especially in the 168" wheelbase models) provides better off-road and all-weather performance compared to 2x4 variants. The rear drive shaft (as opposed to an axle) can offer smoother power delivery in certain conditions.
4. **High Towing and Payload Ratings** These trucks are rated for high towing capacities (often 12,000 20,000 lbs with proper equipment), making them ideal for commercial use, construction, or heavy-duty towing.
5. **Availability of Parts and Service** As a Mopar product, these trucks have a wide network of dealerships and independent mechanics familiar with their systems. Parts like the rear drive shaft (52123057AB) are relatively common and easier to source than aftermarket alternatives.
6. **Resale Value** While not as high as luxury trucks, the Ram 4500/5500 retains decent resale value due to its reputation for durability and commercial appeal.
7. **Customization Potential** The chassis and drivetrain allow for aftermarket modifications, including lift kits, heavy-duty suspensions, and performance upgrades.
8. **Proven Workhorse Reputation** These trucks are widely used in industries like construction, agriculture, and logistics, meaning they re often well-maintained and reliable when purchased from reputable sources.
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#### **Cons:**1. **Aging Technology** The 2008 2014 models are now over a decade old, meaning they lack modern advancements like advanced driver-assistance systems (ADAS), improved fuel efficiency, or updated infotainment. The drivetrain and electronics may also be less refined than newer models.
2. **Fuel Efficiency** Diesel engines (especially pre-2017) are less efficient than modern turbocharged gasoline or hybrid alternatives. Gasoline V8s in these trucks are thirsty, and diesel models, while powerful, consume more fuel than contemporary options.
3. **Maintenance Costs** Older trucks require more frequent maintenance (e.g., timing belt replacements, suspension work, and drivetrain servicing). The rear drive shaft (or axle) may also develop wear over time, requiring eventual replacement.
4. **Rust and Corrosion** Many older Rams (especially those exposed to salt or poor storage) suffer from frame rust or body corrosion. A thorough inspection is critical before purchase.
5. **Electrical Issues** The wiring and electronics in these trucks can be finicky, with common problems like faulty sensors, alternator failures, or starter issues. Modern diagnostics may not be as straightforward as on newer models.
6. **Driver Comfort** The cabins are utilitarian rather than luxurious. Seating, sound insulation, and ergonomics are not as refined as in newer trucks, which can lead to fatigue on long hauls.
7. **Emissions and Compliance** Diesel models from this era may not meet current emissions standards if modified or used in restricted areas. Some states have stricter regulations on older trucks.
8. **Depreciation** These trucks have already depreciated significantly. If you plan to keep them long-term, the cost of repairs may outweigh the initial savings compared to a newer model.
9. **Limited Tech Features** Features like Bluetooth, modern infotainment, or advanced safety systems (e.g., lane-keeping assist) are absent, which may be a drawback for daily drivers.
10. **Potential for Hidden Problems** Without a thorough inspection or service history, you risk inheriting issues like transmission problems, differential wear, or frame damage.
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### **Conclusion:**The **Mopar 52123057AB rear drive shaft (or axle) for a 2008 2014 Dodge Ram 4500/5500 4x4** is a solid choice if you prioritize **durability, towing capacity, and commercial utility**. These trucks are built to last under heavy loads and are well-suited for off-road, construction, or heavy-duty work. However, they come with trade-offs in **fuel efficiency, modern comfort, and maintenance demands**.
If you re buying this truck **new or with a clean service history**, it can be a cost-effective workhorse. If you re purchasing a **used example**, ensure it has been well-maintained, inspected for rust and drivetrain issues, and comes with documentation (e.g., maintenance records).
### **Recommendation:** - **Buy it if:**- You need a **heavy-duty, high-towing truck** for commercial, agricultural, or off-road use.
- You re okay with **higher fuel costs and older technology** in exchange for reliability.
- You plan to **keep it for work purposes** where longevity and payload matter more than daily comfort.
- You have **budget for maintenance** and can source genuine Mopar parts easily.
- **Avoid it if:**- You want **modern fuel efficiency, tech features, or a comfortable daily driver**.
- You re sensitive to **higher running costs** (fuel, repairs, insurance).
- You re buying a **high-mileage example without a service history** risk of hidden issues increases.
- You could afford a **newer Ram 3500/4500 or a Ford F-750** with updated safety and efficiency.
**Final Verdict:** This is a **great work truck** for the right buyer someone who values **strength over sophistication**. If you re not in a niche that requires it, consider a newer model for better efficiency and tech. If you re locked into this era for your needs, prioritize **pre-purchase inspections, service records, and rust checks** to maximize value.
08-14 DODGE RAM 4500 5500 CAB CHASSIS 4X4 168 WB REAR DRIVE SHAFT. PART #: 52123057AB.