AUTOSU178916S120 AUTOPARTSU Posi Differential Gear Spline Kit

Review AUTOPARTSU Truck Posi Differential Spider Gear Kit Fits Ford 8.8 Inch 31 Spline for FORD 1986–2013

Introducing the Autopartsu AUTOSU178916S120 Posi Differential Gear Kit, specifically designed for Ford vehicles with the 8.8 inch 31 spline rear end, manufactured between the years 1986 and 2013. This high-performance differential kit is an excellent choice for those seeking to upgrade their Ford's drivetrain for enhanced power transmission, improved traction, and increased durability.

The core component of this kit is the Posi unit itself, which stands for Positive Traaction Limited-Slip Differential. This differential design offers significant advantages over the traditional open differential setup. The Posi unit utilizes gear teeth on both sides of the differential pinion, creating a positive connection between the drive wheels. As a result, power is distributed evenly between them, reducing wheel spin, and improving traction, especially during cornering and acceleration.

This kit includes all the necessary components required for a successful installation, such as the Posi unit, ring and pinion gears, bearings, seals, and hardware. The gear ratios available in this kit are 3.50:1, 3.73:1, and 4.10:1, ensuring compatibility with a wide range of driving applications, from daily commuting to off-road adventures.

Each component in this kit is manufactured using only the highest-quality materials, ensuring superior strength and longevity. The gears are precision-cut for optimal tooth engagement, while the bearings are engineered for minimal friction and maximum durability. Seals and hardware are designed to prevent leaks, allowing you to maintain optimal differential fluid levels for consistent performance.

Installation of the AUTOSU178916S120 Posi Differential Gear Kit is relatively straightforward, as it is designed to fit directly into your Ford's existing 8.8 inch 31 spline rear end housing. The included instructions and detailed diagrams will guide you through the process, ensuring a successful installation.

Upgrading your Ford with the Autopartsu AUTOSU178916S120 Posi Differential Gear Kit offers several benefits, including improved traction, increased power transfer, and enhanced durability. This kit is an excellent investment for those seeking to enhance their driving experience, whether for daily commuting, off-roading, or racing. With its uncompromising quality, reliable performance, and compatibility with a wide range of Ford models, this kit is a must-have for any Ford enthusiast.

Pros and Cons of Buying a Posi Differential Gear Kit (AUTOPARTS AUTOSU178916S120) for Ford 8.8 31 Spline (1986-2013)

* Pro: The posi differential kit enhances power transfer to the wheels, providing better traction and improved handling during cornering and acceleration.

* Pro: It helps prevent wheel hop, which can lead to improved tire grip and reduced body roll.

* Pro: The posi differential kit is designed to be stronger and more durable than a standard differential, making it ideal for high-performance applications and towing.

* Pro: The kit offers various options for gear ratios, allowing you to customize the vehicle's performance to meet your specific needs.

* Pro: The posi differential kit is an essential upgrade for off-roading, as it improves traction and handling on rough terrain.

* Pro: In the long run, a posi differential kit may save you money by reducing the need for frequent differential repairs or replacements.

* Con: Installing the posi differential kit can be a complex process, requiring specialized tools, knowledge, and experience.

* Con: The cost of the posi differential kit may be higher than a standard differential, which could be a barrier for some buyers.

* Con: Ensure the kit is compatible with your specific Ford model and year (1986-2013, 8.8 31 spline) before purchasing.

* Con: Some users report increased noise levels when using a posi differential kit, which may be a concern for those prioritizing a quiet ride.

The AUTOPARTS AUTOSU178916S120 posi differential gear kit for Ford 8.8 31 spline (1986-2013) offers significant advantages, including improved traction, handling, and durability. However, the complex installation process and potential noise increase may deter some buyers. Consider your specific needs, budget, and expertise before deciding whether this upgrade is right for you.

If you prioritize improved traction, handling, and durability, and are willing to invest in the installation process, the AUTOPARTS AUTOSU178916S120 posi differential gear kit could be a worthwhile investment for your Ford 8.8 31 spline (1986-2013). Make sure to research the installation process thoroughly and consult with a professional if needed.

Details:

Axle spline:31. Factory clutch type posi 7/8 cross shaft. Package includes: 1 differential spider gear kit. Compatible make / model: for 1986 -2013 Ford 8.8 truck rearend.

Newly listed. Motor with this direct replacement. 1.direct replacement - this transfer case motor fits and performs like the original. Motor, it uses a factory-style connector and is sealed for protection.

Boxes, APO/FPO or military mail box. Transfer case stopped shifting between high and low ranges. Designed to install and perform like the original. Swap out a seized transfer case.

2.durable construction - made with factory-style electrical connector and weather tight seal to prevent corrosion. 4.quality assured - vehicle-specific application has been validation tested to ensure quality.

specifications differentialsdepo:

• for makes: Ford
• for years: 1986–2013
• brand: Autopartsu
• mpn: Autosu178916s120
• manufacturer warranty: 5 Years
• fitment type: Direct Replacement
• shipped country: Us
• placement on vehicle: Rear
• bundle description: 1x Differential Spider Gear Kit
• material: Metal
• note1: For Ford 8.8, 11-14 F150 Only 31 Spline
• note2: 30 Days Free Return
• oe/oem part number: Zikkf8.8-t/l-31, Zikf8.8-t/l-31, F8.8cpk
• specification: For 1986-2013 Ford 8.8 Truck Rearend
• type: Differential Spider Gear Kit
• vintage part: Yes
• universal fitment: No

seller differentialsdepo:

• rating: 99.1%
• city: ontario, california
• # reviews: 3025

returns differentialsdepo:

• paid by: seller
• policy: returns accepted
• time: 30 days

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

payments differentialsdepo:

• other
• credit card: mastercard
• wallet: paypal

shipping differentialsdepo:

• transit: 3-7 days
• carrier: fedex
• service: fedex ground economy
• type: fixed
• class: economy

offer differentialsdepo:

• in stock #: 1
• availability: in stock
• sold #: 30
• started: march 4, 2025
• options: ship-to-home
• price: $112.99
• item condition: New
• best offers: true