KYB 565091 Shock Absorber - Rear

Overview of KYB MonoMax Suspension Shock Absorber 565091

The KYB MonoMax Suspension Shock Absorber 565091 is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to provide reliable damping performance, this shock absorber helps maintain vehicle stability and control under heavy load and rough road conditions.

• Compressed Length: 17.91 inches
• Extended Length: 28.34 inches
• Stroke Length: 10.37 inches
• Lower Mount Type: E2 (12x38)
• Upper Mount Type: E1
• Includes Dust Cover for protection
• Rebound Stop (R-stop) included
• No Internal Rebound Spring or B-stop

Detailed Product Description

This KYB MonoMax shock absorber, part number 565091, is specifically designed for heavy-duty Ford trucks such as the F-250 Super Duty and F-350 Super Duty. The shock features a compressed length of 17.91 inches and an extended length of 28.34 inches, providing a stroke length of 10.37 inches to accommodate suspension travel. The lower mount uses an E2 (12x38) configuration, while the upper mount is an E1 type, ensuring proper fitment and secure installation. A dust cover is included to protect the internal components from dirt and debris, extending the service life of the shock absorber. The design incorporates an R-stop to limit rebound travel, enhancing control and stability during operation.

About the KYB MonoMax Product Line

The MonoMax line from KYB is engineered to deliver consistent damping performance for heavy-duty applications. This product line focuses on durability and strength, making it suitable for trucks like the Ford F-250 and F-350 Super Duty that require robust suspension components to handle demanding driving conditions. The MonoMax shocks are designed to maintain vehicle control and ride quality under load without the use of internal rebound springs or bump stops, relying instead on precise valving and construction.

Common Applications and Problem Solving

• Reduces excessive body roll and sway during towing or hauling
• Improves ride comfort on rough or uneven terrain
• Restores suspension travel and damping after wear or damage
• Minimizes bottoming out and harsh impacts
• Enhances vehicle stability and control under heavy load

Installation Notes and Tips

When installing the KYB MonoMax 565091 shock absorber, ensure the correct orientation of the upper E1 and lower E2 mounts. Verify that the dust cover is properly seated to protect the shock shaft. It is recommended to replace shocks in pairs to maintain balanced suspension performance. Use appropriate tools to avoid damage to mounting points and torque fasteners to manufacturer specifications.

Quality Assurance and Warranty

KYB manufactures the MonoMax shock absorbers to meet strict quality standards for durability and performance. This part number 565091 is built to OEM specifications for Ford F-250 Super Duty and F-350 Super Duty models. While specific warranty details may vary, KYB typically offers coverage against defects in materials and workmanship. Refer to KYB’s official documentation for exact warranty terms.