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  • 4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
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Load image into Gallery viewer, 4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
Load image into Gallery viewer, 4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot

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4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot

Driveshaft
4-2-689
In stock
$93.70
The 4-2-689 Driveshaft Flange Yoke is a heavy-duty solution for 1550 series U-joints, designed to provide...
$93.70
customers are viewing this product
4-2-689 Driveshaft Flange Yoke 1550 Series with 8x0.375" Holes 6.625" Male Pilot
Description

The 4-2-689 Driveshaft Flange Yoke is a heavy-duty solution for 1550 series U-joints, designed to provide a secure, high-strength connection between your driveshaft and mating flange. Featuring 8 bolt holes (0.375" diameter) and a 6.625" male pilot, this flange yoke is engineered for the toughest driveline demands in commercial vehicles, heavy-duty trucks, and industrial setups. Built from forged steel and precision-machined, it ensures strength, durability, and reduced vibration under high torque conditions.

Upgrade your driveline with the 4-2-689 Flange Yoke — engineered for maximum strength, precision fitment, and long-lasting reliability in the most demanding environments.

Features and Benefits:

  • Forged steel construction for maximum durability and torque resistance

  • 8 x 0.375" bolt holes with 6.625" male pilot for secure, stable fit

  • Precision machining minimizes driveline vibration and wear

  • Protective coating guards against rust, corrosion, and harsh conditions

  • Heavy-duty performance ideal for towing, hauling, and commercial use

Technical Specifications:

Specification Value
Part Number (MPN) 4-2-689
Series 1550
Bolt Hole Diameter 0.375 in (9.53 mm)
Hole Count 8
Male Pilot Diameter 6.625 in (168.28 mm)
Construction Forged Steel
Finish Corrosion-Resistant Coating
Application Heavy-Duty / Commercial Driveline

 

What’s Included:

  • 1 x 4-2-689 Driveshaft Flange Yoke (1550 Series)

REVIEWS

JD

Solid build quality. The flange yoke fit perfectly on my heavy-duty truck and handled high torque without any issues.

James D.

Dallas, TX

★★★★★
MT

Excellent quality part. Easy to install and has been holding up well under tough hauling conditions.

Mark T.

Phoenix, AZ

★★★★★
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Effective Date: October 2024
We offer a 30-day return policy, allowing you to request a return within 30 days of receiving your item. To qualify for a return, the item must be in its original condition—unused, with tags, and in its original packaging. A receipt or proof of purchase is also required.

To initiate a return, please contact us at info@riotparts.com. Returns must be shipped to the address provided upon request. If your return is approved, we will issue a return shipping label along with detailed instructions.

Important
Returns sent without prior authorization will not be accepted.

For any return-related inquiries, please reach out to us at info@riotparts.com.

Return Shipping Address
The return shipping address will be determined based on the requestor’s location to ensure the nearest return facility is used.

Possible return locations include:
• 10880 Lear Blvd.
Reno, NV 89506, United States
• 931 W. Bardin Rd., Suite 150–200
Arlington, TX 76017, United States
• 3035 Campus Dr.
Hatfield, PA 19440, United States
• 5789 N. Graham Road, Ste 200
Whiteland, IN 46184, United States
• 2020 NE Aloclek Dr 4711 N Lamon Ave
#118 STE 12, Hillsboro, OR 97124, United States

Damages and Issues
We recommend inspecting your order upon receipt. If you find that an item is defective, damaged, or if you received the wrong item, please contact us immediately so we can address the issue.

Exceptions / Non-Returnable Items
Certain items cannot be returned, including:
• Electrical parts that have been installed or used
• Special order parts that were custom ordered for you
• Items that have been damaged due to improper installation or use

If you have questions or concerns about a specific item, please contact us for assistance.

Exchanges
For exchanges, the quickest option is to return the item you have. Once the return is accepted, you can make a separate purchase for the new item.

Refunds
We will notify you once we receive and inspect your return to inform you whether your refund is approved. If approved, you will be automatically refunded using your original payment method within 10 business days. Please be aware that it may take additional time for your bank or credit card company to process and post the refund.

If more than 15 business days have passed since your return was approved and you haven’t received your refund, please contact us at info@riotparts.com.

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