EATON RS402-3.70 Rear Differential Rebuildable Core Up P/n

( Brand: Eaton ), ( Manufacturer Part Number: RS402-3.70 ), ( Part Type: Pick )

Review EATON Differential Rear Rebuildable Core P/n #17731 Pick Up

The Eaton RS402-3.70 differential rebuildable core, part number 17731, is a premium quality component designed for heavy-duty applications. This rear differential is engineered to provide superior strength and durability, making it an ideal choice for high-performance vehicles or commercial applications.

The RS402-3.70 differential core is a spiral bevel gear design, featuring 3.70:1 gear ratio. It is specifically designed to handle high torque loads and is built to meet or exceed OEM specifications. The unit is constructed using high-strength steel, ensuring optimal rigidity and resistance to wear.

This rebuildable core comes with a number of key features that make it stand out from other differential units. It boasts a robust design with a large diameter ring gear, heavy-duty pinion bearings, and high-strength pinion shaft. Additionally, it includes a new set of seals and bearings, allowing for a thorough rebuild and ensuring a long service life.

The RS402-3.70 differential core is also compatible with various vehicle applications, making it a versatile option for a wide range of customers. It is suitable for use in both on-highway and off-highway vehicles, as well as in commercial applications.

In summary, the Eaton RS402-3.70 differential rebuildable core, part number 17731, is a top-tier component designed for heavy-duty applications. Its robust design, high-strength materials, and compatibility with a variety of vehicle types make it an excellent choice for those seeking superior performance and durability from their differential unit.

The Eaton RS402-3.70 differential rebuildable core, part number 17731, is a popular choice for those seeking to rebuild their differentials for high-performance applications. Here are some pros and cons to consider before making a purchase:

1. High-quality and durable: Eaton is a well-known brand in the automotive industry, known for producing high-quality differentials. The RS402-3.70 is built to last, making it a wise investment for those seeking a long-term solution.

2. Customizable: Rebuilding your differential allows you to customize it to your specific needs, whether that be for increased horsepower, better traction, or improved durability.

3. Cost-effective: Rebuilding your differential is often more cost-effective than purchasing a new one, especially if you plan on using the same vehicle for an extended period.

4. Improved performance: A rebuilt differential can offer improved performance, allowing for better acceleration, smoother shifts, and increased power delivery.

5. Better control: A rebuilt differential can provide better control over your vehicle, especially in off-road or high-performance applications.

1. Time-consuming: Rebuilding a differential can be a time-consuming process, requiring a significant investment of time and resources.

2. Technical expertise: Rebuilding a differential requires a certain level of technical expertise and experience, which may not be accessible to all buyers.

3. Risk of damage: During the rebuild process, there is a risk of damaging other components or causing further issues, which could result in additional costs.

4. Potential for compatibility issues: Depending on your specific vehicle and application, there may be compatibility issues with aftermarket parts or modifications, which could require additional research and testing.

The Eaton RS402-3.70 differential rebuildable core is a high-quality and durable option for those seeking to rebuild their differentials for improved performance and customization. While the process can be time-consuming and require a certain level of technical expertise, the cost-effectiveness and potential for better control make it a worthwhile investment for those with the necessary resources and knowledge.

If you have the time, resources, and technical expertise to rebuild your differential, the Eaton RS402-3.70 is a great choice. However, if you are looking for a more convenient and cost-effective solution, consider purchasing a remanufactured differential or a new one from a reputable manufacturer. Ultimately, the best option for you will depend on your specific needs, budget, and technical abilities.

Details:

RS402 3.70 REBUILDABLE CORE. Input: 39 Splines. Side Gear: 41 Splines.

part #: rs402370 prices

• $933.99-$1949.95

specifications commerciatruc:

• brand: Eaton
• mpn: Rs402-3.70
• part type: Pick

offer commerciatruc:

• best offers: True
• availability: In Stock
• options: Seller-arranged-local-pickup
• sold: 0
• started: May 20, 2026
• quantity: 1

payments commerciatruc:

• credit card: Mastercard
• other
• wallet: Google-pay

returns commerciatruc:

• paid by: Buyer
• time: 30 Days
• policy: Returns Accepted

general commerciatruc:

• condition: Used
• Parts Accessories > Commercial Truck Parts > Other Commercial Truck Parts

shipping commerciatruc:

seller commerciatruc:

• # reviews: 944
• rating: 100.0%
• city: Spokane, Washington

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