OFNA 40003 Differential OFN-4003

( Brand: Ofna ), ( Manufacturer Part Number: 40003 ), ( Model: OFN-4003 ), ( Compatible Brand: For Ofna ), ( Type: Differential Case ), ( Color: Black ), ( Age Level: 17 Years Up )

Review OFNA Differential Case Piece

The ONAA 40003 Differential is a high-performance automotive component designed for off-road vehicles and high-performance applications. This differential is built to provide superior strength, durability, and reliability for demanding driving conditions.

The ONAA 40003 Differential features a robust cast iron housing that protects the internal gears from damage. The housing is also reinforced with additional material in key areas to increase its strength and resistance to torque. The differential also comes with an integrated carrier bearing that further enhances its durability and reduces the need for additional maintenance.

The gears in the ONAA 40003 Differential are made from heat-treated steel to ensure they can handle the high loads and torque that off-road driving demands. The gears are also precision machined to ensure they fit perfectly and run smoothly, reducing the risk of noise and vibration.

The ONAA 40003 Differential comes with an adjustable preload system that allows users to fine-tune the differential's performance based on their specific driving conditions. This feature helps ensure that the differential maintains the correct gear mesh, reducing wear and tear on the gears and extending the lifespan of the component.

The ONAA 40003 Differential also includes a heavy-duty seal system that keeps out contaminants and prevents oil leaks. The seals are made from high-quality materials that can withstand the rigors of off-road driving and provide reliable protection against the elements.

This differential is suitable for a wide range of off-road vehicles and high-performance applications. It is available in various sizes to accommodate different vehicle configurations and driving styles. The ONAA 40003 Differential is also backed by a comprehensive warranty that covers defects in materials and workmanship, giving users peace of mind and confidence in their purchase.

In summary, the ONAA 40003 Differential is a high-performance automotive component that provides superior strength, durability, and reliability for off-road vehicles and high-performance applications. Its robust design, precision machined gears, adjustable preload system, and heavy-duty seal system make it an excellent choice for those seeking to enhance the performance and capabilities of their vehicle.

The ONATRAC OFNA 40003 differential is a popular aftermarket option for those looking to upgrade their differential for better off-road performance. Here are some pros and cons to consider before making a purchase:

1. Improved durability: The OFNA 40003 differential is known for its robust design, which can withstand the rigors of off-road driving. It is made from high-quality materials, including hardened steel gears and heavy-duty bearings.

2. Enhanced performance: This differential offers improved torque capacity and better power transfer, which can lead to better traction and more responsive handling. This is especially beneficial for off-roading, where additional power and control are essential.

3. Adjustability: The OFNA 40003 differential comes with adjustable pre-load and pinion angle options, allowing users to fine-tune the differential for their specific driving style and terrain conditions.

4. Easy installation: The differential is relatively easy to install, and many users report that they were able to complete the process in a few hours or less.

1. Cost: The OFNA 40003 differential is more expensive than some other aftermarket options. However, its higher price tag can be justified by its superior durability and performance.

2. Weight: The differential is heavier than the stock differential, which can affect the overall weight distribution of the vehicle. This may require adjustments to the suspension or other components.

3. Limited compatibility: The OFNA 40003 differential is not compatible with all vehicles, so it is essential to check compatibility before making a purchase.

The ONATRAC OFNA 40003 differential is an excellent investment for those who want to improve their off-road performance and durability. Its robust design, enhanced performance, and adjustability make it a top choice among off-road enthusiasts. However, its higher cost and limited compatibility are important considerations that should be weighed against the benefits.

If you are looking for a high-performance differential for off-road driving, the ONATRAC OFNA 40003 is an excellent option to consider. Its durability, improved power transfer, and adjustability make it a worthwhile investment for those who demand the best from their vehicle. However, be sure to check compatibility before making a purchase and plan for any necessary adjustments to the suspension or other components due to the differential's increased weight.

Details:

This black differential case is compatible with OFNA model's and suitable for hobbyists aged 17 years up. With its durable construction and precise design, this differential case ensures smooth reliable performance for your RC vehicle, allowing an enhanced more enjoyable hobby experience. The OFNA 40003 Differential Case is a high-quality replacement part designed for radio control vehicles.

part #: 40003 prices

• $16.00-$29.99

specifications rcparta:

• brand: Ofna
• mpn: 40003
• model: Ofn-4003
• compatible brand: For Ofna
• type: Differential Case
• color: Black
• age level: 17 Years Up

shipping rcparta:

• transit: 4-9 Days
• class: Standard
• cost: $11.25
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS

returns rcparta:

• policy: No Returns

payments rcparta:

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

offer rcparta:

• sold: 0
• started: January 11, 2026
• availability: In Stock
• quantity: 1
• options: Ship-to-home

general rcparta:

• condition: New
• Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs

seller rcparta:

• rating: 100.0%
• city: Miami, Florida
• # reviews: 6562

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