F9-6.00 FORD 9 Center Member Spline Spool

Review FORD 9 Inch Section 3rd Member 31 Spline Full Spool 6.00 Ratio for 600

Introducing the Ford 6.00 Center 3rd Member 31 Spline Spool, a high-performance component designed for Ford 6.0L Power Stroke diesel engines. This spool is a crucial part of your vehicle's drivetrain and is responsible for transferring torque from the engine to the transmission.

This Ford spool is a 31 spline design, which is an industry standard for heavy-duty applications. The 31 splines provide increased strength and durability compared to standard 28 or 29 spline designs. This makes the Ford 6.00 Center 3rd Member 31 Spline Spool an ideal choice for tow vehicles, off-road applications, and other high-stress driving conditions.

The spool is a 6.00 inch diameter design, which is a common size for Ford Power Stroke engines. This size provides optimal balance between power delivery and drivetrain longevity. The spool is also a center design, which means that it is located in the middle of the drivetrain, between the engine and the transmission. This design helps to reduce drivetrain twist and torque reaction, leading to improved power delivery and reduced wear on other drivetrain components.

The Ford 6.00 Center 3rd Member 31 Spline Spool is manufactured to meet or exceed OEM specifications for fit, form, and function. It is made from high-strength steel and features precision machining and heat treatment processes to ensure maximum durability and strength. The spool also comes with a protective coating to help prevent rust and corrosion.

Installing the Ford 6.00 Center 3rd Member 31 Spline Spool is a straightforward process that can be done by a skilled DIYer or by a professional mechanic. The spool comes with all necessary hardware for installation, including new bolts and seals. Additionally, the spool is compatible with a wide range of aftermarket transmission and transfer case upgrades, making it a versatile choice for Ford Power Stroke enthusiasts.

In summary, the Ford 6.00 Center 3rd Member 31 Spline Spool is a high-performance, durable component designed for Ford 6.0L Power Stroke diesel engines. Its 31 spline design, 6.00 inch diameter, and center location make it an ideal choice for heavy-duty applications and high-stress driving conditions. The spool is manufactured to meet or exceed OEM specifications and comes with all necessary hardware for installation. Upgrade your Ford Power Stroke drivetrain today with the Ford 6.00 Center 3rd Member 31 Spline Spool.

The Ford 6.0L Power Stroke diesel engine is known for its durability and power, but its third member 31 spline spool 6.00 600 (also referred to as the "Ford F9-6.00 center 3rd member 31 spline spool") is a crucial component that can significantly impact the performance and longevity of the engine. Here are some pros and cons of buying a new aftermarket Ford F9-6.00 third member 31 spline spool 6.00 600:

1. Improved Performance: A high-quality aftermarket third member can provide better torque multiplication and efficiency, resulting in improved engine performance.

2. Enhanced Durability: Aftermarket third members are often made with stronger materials and more robust designs, which can help increase the engine's overall durability and longevity.

3. Customizability: Aftermarket third members come in various designs and materials, allowing you to choose the one that best suits your specific needs and driving style.

4. Cost-Effective: In some cases, buying a new aftermarket third member can be more cost-effective than purchasing OEM replacements, especially if you plan to use the engine for heavy-duty applications.

1. Compatibility Issues: Not all aftermarket third members are compatible with all Ford 6.0L Power Stroke engines, so it's essential to ensure that the one you choose is suitable for your specific vehicle.

2. Installation Complexity: Installing an aftermarket third member can be a complex process, and it may require specialized tools and knowledge.

3. Risk of Damage: If not installed correctly, an aftermarket third member can be damaged during installation, which could lead to costly repairs or even engine failure.

4. Potential for Warranty Issues: Installing an aftermarket third member may void the factory warranty on your Ford 6.0L Power Stroke engine.

The decision to buy a new aftermarket Ford F9-6.00 third member 31 spline spool 6.00 600 depends on various factors, including your budget, driving style, and desired performance improvements. While there are some potential drawbacks, the benefits of improved performance, enhanced durability, and customizability can make it a worthwhile investment for those who use their Ford 6.0L Power Stroke engine for heavy-duty applications. Ultimately, it's essential to ensure that you purchase a high-quality aftermarket third member from a reputable manufacturer and have it installed by a qualified technician to minimize the risks associated with the installation process.

If you decide to purchase an aftermarket Ford F9-6.00 third member 31 spline spool 6.00 600, we recommend researching and choosing a reputable manufacturer with a proven track record of producing high-quality components. Some popular options include BD Diesel, Eaton, and Wagner. Additionally, make sure that the third member you choose is compatible with your specific Ford 6.0L Power Stroke engine and is installed by a qualified technician to ensure optimal performance and longevity.

Details:

It was rebuilt before listing with new gears and token bearings. 1330 short wide forged yoke. This would make a yoke swap without messing the setup up very easy. This unit is in very good shape and ready to be installed any race car application.

31 spline full spool - locks both rear wheels 100%. Heavily discounted. Solid spacer w/ shims no crush sleeve. Build specs: - 6.00 ratio gear.

A solid spacer was also used upon installation to replace the crush sleeve.

specifications differentialsdepo:

• brand: Ford 9
• mpn: F9-6.00
• type: Third Member
• oe/oem part number: F9-600, F9-600-31spool
• items included: Center Section
• gear ratio: 6.00
• id: Eb0268
• bore diameter: 9 In
• placement on vehicle: Rear

general differentialsdepo:

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

offer differentialsdepo:

• availability: in stock
• quantity: 1
• options: ship-to-home
• best offers: true
• sold #: 7
• started: april 8, 2026

returns differentialsdepo:

• policy: no returns

payments differentialsdepo:

• wallet: apple-pay
• credit card: mastercard
• other

seller differentialsdepo:

• # reviews: 2537
• rating: 100.0%
• city: hiawatha, iowa

shipping differentialsdepo:

• class: standard
• service: ups ground
• transit: 2-6 days
• carrier: ups
• type: fixed