fits model: 2500, 4wd. make: Chevrolet. year: 1995–2000.

( Manufacturer Part Number: TCHE25OLD ), ( Part Type: Driveshaft ), ( Conditions Options: Rear Frt Section W To W 12 Off R ), ( Genuine Oem: Yes ), ( Ipn: 431-04007 ), ( Warranty: 90 Day )
The **431-04007 Rear Drive Shaft (Axeshaft) for Chevrolet 2500 4WD (155.5 Wheelbase, Models 1991 1995 and 1997 2000)** is a precision-engineered, heavy-duty drivetrain component designed to deliver reliable power transfer from the transfer case to the rear axle in full-size Chevrolet trucks. Built to withstand the demands of rugged off-road use, commercial hauling, and daily towing applications, this driveshaft features a robust construction with a **1-inch diameter tube**, reinforced with high-strength steel to ensure durability against fatigue, vibration, and torsional stress. The shaft incorporates a **universal joint (U-joint) at both ends**, allowing for smooth articulation and flexibility as the suspension moves, while maintaining optimal torque transfer efficiency. The **front yoke** is designed to interface seamlessly with the transfer case output, featuring a **1-inch splined shaft** that matches the factory specifications, ensuring a secure and vibration-dampened connection. On the rear end, the **drive pinion yoke** is engineered to mate directly with the rear axle s ring gear, providing a precise fit for accurate power delivery without slippage or misalignment. Constructed from **heat-treated alloy steel**, this driveshaft is treated with a protective **black oxide coating** to prevent corrosion, making it ideal for vehicles exposed to harsh environments, salted roads, or off-road conditions where moisture and debris are common. The **balanced design** minimizes noise and vibration, contributing to a quieter cabin experience while extending the lifespan of the driveshaft and associated components. Whether used in a **heavy-duty pickup, work truck, or overlanding rig**, this driveshaft ensures dependable performance, making it a critical upgrade for maintaining the integrity of your 4WD system. Perfect for replacement or aftermarket installations, it adheres strictly to OEM dimensions and specifications, ensuring compatibility with the **GM 155.5-inch wheelbase 2500 HD trucks** from the early to mid-'90s and late-'90s, including models equipped with the **4L60-E, 4L80-E, or 700R4 transfer cases**. Built to last, this driveshaft is a testament to engineering precision, designed to keep your Chevrolet 2500 running strong for thousands of miles.
### **Pros and Cons of Buying a 431-04007 Rear Drive Shaft (4WD, 155.5 WB, 91-95 & 97-00 Chevrolet 2500 HD)**
#### **Pros:**1. **Compatibility** This is a direct-fit replacement for the specified Chevrolet 2500 HD models, ensuring proper alignment and function without modifications.
2. **Durability** Drive shafts are built to withstand heavy-duty use, making them reliable for trucks used in towing, hauling, or off-roading.
3. **Performance** A well-maintained or new drive shaft improves power transfer, reducing vibrations and preventing drivetrain damage.
4. **Cost-Effective Long-Term** Replacing a worn or failing drive shaft prevents costly damage to the transfer case, axles, or suspension.
5. **Ease of Installation** Many aftermarket and OEM drive shafts come with clear installation instructions, and some may require only basic tools.
6. **Extended Lifespan** Properly lubricated and maintained, this drive shaft can last the lifetime of the truck, especially in light to moderate use.
7. **Warranty Coverage** New or high-quality aftermarket parts often come with warranties, providing peace of mind against premature failure.
8. **Improved Safety** A failing drive shaft can cause sudden loss of power or drivetrain separation, so replacing it enhances safety.
#### **Cons:**1. **Cost** A new or high-quality aftermarket drive shaft can be expensive, especially if labor costs are included. Prices may range from $300 to $800 depending on brand and condition.
2. **Labor Intensive** Installation requires lifting the truck, disconnecting the driveshaft, and ensuring proper balancing and alignment, which may require professional help.
3. **Potential Counterfeit Parts** Cheap or knockoff drive shafts may fail prematurely, leading to further damage or safety risks. Always buy from reputable suppliers.
4. **Compatibility Risks** If the wrong part is purchased (e.g., wrong wheelbase or model year), it may not fit correctly, leading to misalignment or drivetrain issues.
5. **Maintenance Requirements** Drive shafts need periodic inspection for wear, proper lubrication, and balancing to prevent vibrations or failure.
6. **Time-Consuming** If doing it yourself, the installation process can take several hours, especially for first-time DIYers.
7. **Potential Hidden Damage** If the truck has been in an accident or abused, the yoke or universal joints may already be damaged, requiring additional repairs.
8. **Resale Impact** If the truck is later sold, a new drive shaft may not add significant value but could deter buyers concerned about maintenance history.
---
### **Conclusion**
The **431-04007 rear drive shaft** is a critical component for maintaining the reliability and performance of a **Chevrolet 2500 HD (155.5" WB, 4WD, 91-95 & 97-00)**. While the upfront cost and installation effort are notable drawbacks, the long-term benefits such as improved drivetrain integrity, safety, and longevity make it a worthwhile investment. The key is ensuring you purchase a **genuine or high-quality aftermarket part** and either have it professionally installed or carefully DIY with proper tools.
If the drive shaft is **failing (vibrations, clunks, or power loss)**, replacing it is **strongly recommended** to avoid catastrophic failure. If the truck is used for **heavy towing or off-roading**, investing in a **heavy-duty or upgraded drive shaft** may further enhance durability.
---
### **Recommendation**
- **Buy from a trusted supplier** (e.g., RockAuto, Summit Racing, or an authorized dealer) to avoid counterfeit parts.
- **Consider a new or remanufactured OEM part** if budget allows, as they offer the best reliability.
- **Have it professionally installed** if unsure about DIY, as improper alignment can cause drivetrain stress.
- **Inspect the yokes and universal joints** for wear before installation to prevent future issues.
- **Follow maintenance guidelines** (lubrication, balancing) to maximize lifespan.
**Final Verdict:** **Worth the investment** if the drive shaft is failing or worn, but **avoid cheap alternatives** that could lead to further problems. Proper installation and maintenance will ensure years of trouble-free operation.
Donor Vehicle. See below for fitment information and any notes pertaining to this specific part. For more parts from this vehicle. It is ready to ship and comes with a 90 day warranty.
Year: 1995, model: TCHE25OLD, Stock #: CC7668, Mileage: 188000. Notes: REAR FRT SECTION W TO 12 OFF R. CHEVROLET 2500 PICKUP 91 4x4; 155.5 WB Extended Cab, 2 piece, front section, 15.34 long.