fits model: 4x4, 4wd. make: Nissan. year: 1986–1997.

( Brand: Nissan Trucks ), ( Manufacturer Part Number: 3720031G00 ), ( Part Type: Driveshaft ), ( Id: 999ff426-b083-4db4-a477-ffad9b16fd91 ), ( Interchange: 430-58224 ), ( Year: 1996 )
The **Nissan 3720031G00 Front Drive Shaft (1986 1997 Hardbody 4x4/4WD)** is a critical and highly specialized driveline component designed exclusively for Nissan s iconic **Frontier Hardbody** and **Pathfinder** models produced between 1986 and 1997. This front drive shaft, also commonly referred to as the **front axle drive shaft** or **front half-shaft**, plays a pivotal role in transferring torque from the transfer case to the front wheels in these legendary four-wheel-drive vehicles. Built to withstand the rigorous demands of off-road adventures, heavy-duty towing, and prolonged use in challenging terrains, this shaft is engineered with precision to ensure durability, reliability, and optimal performance. Constructed from high-grade **steel tubing**, it features a robust **constant velocity (CV) joint** at the transfer case end, allowing for smooth power delivery even when the front wheels are at varying angles, such as during sharp turns or rough off-road conditions. The opposite end of the shaft is equipped with a **spline connection**, designed to mate seamlessly with the front axle s yoke, ensuring a secure and efficient transfer of rotational force. This driveline component is particularly sought after by enthusiasts and mechanics who prioritize authenticity and performance, as it is a direct OEM replacement part that maintains the original vehicle s intended functionality without compromising on strength or fit. Whether restoring a classic Hardbody to its former glory or upgrading an existing 4WD system, this front drive shaft is an essential upgrade that guarantees a seamless connection between the drivetrain and the front wheels, enhancing both the vehicle s off-road capability and its overall drivability. Its compatibility with a wide range of Nissan models from the late 1980s and early 1990s makes it a versatile and indispensable part for any owner looking to maintain or restore their vehicle s driveline integrity.
### **Pros and Cons of Buying a Nissan Hardbody (1986 1997) Front Drive Shaft (Driveline) for a 4x4/4WD Setup**
#### **Pros:**1. **Compatibility and Fitment** The Nissan Hardbody (NP310) was designed with a front-wheel-drive (FWD) platform, but its drivetrain components can be adapted for 4WD applications. The front drive shaft (part number **37200-31G00**) is a key component for converting these trucks into part-time or full-time 4WD systems. Many aftermarket kits and conversions rely on this shaft due to its robust construction and availability.
2. **Durability and Strength** Nissan s early 1990s driveline components were built to handle heavy loads, making this shaft suitable for off-road use when properly reinforced. The universal joints and yokes are designed to withstand significant torque, especially in older, heavier-duty applications.
3. **Availability and Cost-Effectiveness** Compared to aftermarket drive shafts, OEM Nissan parts are often more affordable and easier to source, especially in bulk or from salvage yards. This can be a cost-effective solution for DIY conversions.
4. **Compatibility with Aftermarket Kits** Many 4WD conversion kits (such as those from **4x4 Accessories, Rockland, or custom builders**) use or modify this shaft for front-wheel-drive trucks like the NP310. If you re building a custom 4WD system, this part may already be part of the kit.
5. **Potential for Upgrades** The shaft can be modified or reinforced with heavier-duty components (e.g., **Quicksilver, Dana 44 splines, or custom yokes**) to improve durability for rough terrain.
6. **Legacy Support** Since these trucks were popular in the 1980s 1990s, there is a community of builders and mechanics who have experience working with these parts, making troubleshooting and modifications easier.
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#### **Cons:**1. **Original Design for FWD, Not 4WD** The Nissan Hardbody was not factory 4WD, and the front drive shaft was not originally intended for heavy off-roading. Without proper reinforcement, it may fail under extreme torque or rough conditions.
2. **Potential for Wear and Tear** If the shaft comes from a salvaged vehicle, it may already have internal damage (bent yokes, worn universal joints, or cracked housing). Always inspect for:
- **Bent or cracked yokes**
- **Worn or missing grease fittings**
- **Excessive play in universal joints**
- **Rust or corrosion (especially in older parts)**
3. **Lack of Standardization in 4WD Conversions** Not all 4WD setups use this exact shaft. Some builders prefer **Dana 44 or 60 axles with custom shafts**, while others use **transfer case-driven front shafts**. Ensure compatibility with your specific conversion plan.
4. **Limited Aftermarket Support** Unlike modern 4WD trucks, there are fewer off-the-shelf upgrades for this shaft. You may need to fabricate custom components (e.g., longer shafts, heavier splines) to handle demanding conditions.
5. **Risk of Improper Installation** If not installed correctly, the shaft can cause **binding, excessive vibration, or premature failure**. Proper alignment, balancing, and torque settings are critical.
6. **Age-Related Issues** Parts from this era may suffer from:- **Case hardening (wear on splines)**
- **Rust in universal joints**
- **Outdated materials (e.g., weaker steel in some components)**
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### **Conclusion and Recommendation**
Buying a **Nissan 37200-31G00 front drive shaft (1986 1997 Hardbody)** for a 4WD conversion can be a **cost-effective and viable solution** if:- You are building a **part-time 4WD system** (not full-time or extreme off-roading).
- You **inspect the part thoroughly** for damage before purchase.
- You **reinforce or upgrade** it with heavier-duty components (e.g., **Dana 44 splines, custom yokes, or sealed universal joints**).
- You have **mechanical experience** or work with someone who does, as improper installation can lead to failure.
**If you plan for heavy-duty off-roading, consider:**- A **custom-built front shaft** with **Dana 44 splines and heavy-duty UJs**.
- A **transfer case-driven front axle** (e.g., **Dana 44 or 60**) for better durability.
- **Aftermarket 4WD conversion kits** that already include reinforced driveline components.
**Final Recommendation:**- **Buy the shaft only if you are confident in its condition and plan to reinforce it.**
- **Test it for smooth operation and lack of play before committing to a full conversion.**
- **Consult with experienced builders** before integrating it into your 4WD system to avoid costly mistakes.
If you're unsure about the shaft's condition or your ability to modify it, investing in a **pre-built 4WD conversion kit** or a **custom driveline** may be the safer long-term choice.
Model: NISSAN PICKUP. NISSAN PICKUP 87. NISSAN PICKUP 88-89 6 cylinder, MT. This part will fit the following: NISSAN PICKUP 86 D21.
NISSAN PICKUP 90-95 MT. Search for more parts NISSAN PICKUP.