MOTIVE GEAR F890389 Ring Pinion 698231019160 9IN 3.89

( Brand: Motive Gear ), ( Part Type: Ring Pinion ), ( Air Restricted: No ), ( Manufacturer Part Number: F890389 ), ( UPC: 698231019160 )

Review MOTIVE GEAR Ring And Pinion Ford 9in 3.89 Ratio

Introducing the Motive Gear F890389 ring and pinion set, an ideal upgrade for your Ford 9-inch differential with a gear ratio of 3.89. This high-performance ring and pinion set is engineered to deliver superior strength, durability, and precision for enhanced driving experience.

The ring gear is manufactured using Motive Gear's proprietary heat-treated steel for added strength and rigidity. Its tooth design is precisely machined to ensure perfect fitment and optimal tooth engagement, resulting in smooth and efficient power transfer. The ring gear's robust construction also ensures excellent resistance to wear and tear, ensuring long-lasting performance.

The pinion gear in this set is also made from premium heat-treated steel. Its tooth design is meticulously crafted to match the ring gear, ensuring seamless engagement and optimal power transfer. The pinion gear's high-strength construction and precision machining make it resilient to the stresses of continuous use, allowing for reliable and consistent performance.

This ring and pinion set comes with all necessary hardware and lubrication to make installation a breeze. Motive Gear also includes detailed installation instructions, ensuring a hassle-free installation process. Additionally, this set is compatible with Ford 9-inch differentials with a 3.89 gear ratio, making it a versatile choice for a wide range of applications.

Upgrading your differential with the Motive Gear F890389 ring and pinion set is an investment in your vehicle's performance and reliability. Its superior strength, durability, and precision make it an excellent choice for high-performance applications, while its compatibility with a wide range of Ford 9-inch differentials makes it a versatile option for various driving styles. Upgrade today and experience the difference that Motive Gear's high-performance ring and pinion sets can make.

Pros and Cons of Buying a Motive Gear F890389 Ring Pinion for Ford 9in 3.89

The Motive Gear F890389 ring pinion is a popular aftermarket option for Ford 9-inch differentials with a 3.89 gear ratio. This component is essential for the drivetrain system, responsible for transmitting power from the differential to the axles. In this discussion, we will evaluate the potential advantages and disadvantages of purchasing this ring pinion from Motive Gear.

1. High-Quality Material: Motive Gear is known for using top-notch materials in their products. The F890389 ring pinion is made from heat-treated, forged steel, ensuring durability and resistance to wear and tear.

2. Improved Performance: By upgrading the factory ring pinion, you can improve the overall performance of your differential. This upgrade can result in better acceleration and increased power delivery to the wheels.

3. Enhanced Strength: The Motive Gear ring pinion is designed to handle higher horsepower applications, making it suitable for those who have modified their Ford 9-inch differential for increased performance.

4. Wide Application: This ring pinion is compatible with various Ford 9-inch differentials, offering versatility for various vehicle applications.

1. Cost: The Motive Gear F890389 ring pinion is more expensive than the factory unit. This cost difference may discourage some buyers, especially those on a tight budget.

2. Installation Complexity: Installing a new ring pinion requires significant expertise and tools. This process can be time-consuming and may require the assistance of a professional.

3. Larger than Stock: The Motive Gear ring pinion is slightly larger than the stock unit. This difference may necessitate some clearance adjustments or modifications to the differential housing.

The Motive Gear F890389 ring pinion is an excellent choice for those seeking improved performance and durability for their Ford 9-inch differential. Its high-quality materials, enhanced strength, and wide application make it a popular aftermarket option. However, the cost, installation complexity, and potential compatibility issues are factors that buyers must consider before making a purchase.

If you are looking to upgrade your Ford 9-inch differential for better performance and durability, the Motive Gear F890389 ring pinion is a solid choice. However, it is essential to weigh the pros and cons carefully and ensure that the installation process is carried out by a qualified professional. If the cost or complexity are significant concerns, you may want to explore alternative ring pinion options that better suit your budget and expertise level.

part # f890389 prices

• $364.99-$369.99

specifications steershun:

• for makes: Ford
• brand: Motive Gear
• part type: Ring Pinion
• air restricted: No
• manufacturer part number: F890389
• upc: 698231019160

shipping steershun:

• transit: 3-6 Days
• class: Standard
• service: UPS Ground
• carrier: UPS
• cost: $0.00
• type: Fixed

general steershun:

• condition: New
• Car Truck Parts Accessories > Steering Suspension > Other Steering Suspension Parts

returns steershun:

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

payments steershun:

• wallet: Paypal
• credit card: Mastercard
• other

offer steershun:

• options: Ship-to-home
• sold: 0
• started: November 15, 2025
• quantity: 6
• availability: In Stock

seller steershun:

• rating: 97.8%
• # reviews: 1057

Motive Gear F890389 Is Similar To:

• Motive Gear F990411bp 4.11 For Ford 9in Pro 35 Spline (51.3% similar) $165.34–$1659.98. (March 16th, 2025)