Rancho RS77042 Suspension Shock Absorber - Front

Overview of Rancho RS7MT Suspension Shock Absorber

The Rancho RS7MT Suspension Shock Absorber (Part Number RS77042) is engineered for Ford F-250 Super Duty and F-350 Super Duty trucks. Designed to provide reliable damping performance, this shock absorber supports enhanced vehicle control and ride quality under demanding conditions.

• Body length: 13.22 inches
• Compressed length: 13.86 inches
• Extended length: 20.47 inches
• Travel length: 6.61 inches
• Extended bumper stop included
• Lower mounting: Loop bushing & sleeve mount (14mm sleeve ID x 1.11/16" sleeve OA)
• Upper mounting: Stem mount with 2.5/8" stem length and 1/2"-13 thread pitch
• Reserve tube diameter: 2 inches
• Parts pack included: P01167

Detailed Product Description

The RS77042 shock absorber from Rancho’s RS7MT line is specifically designed for heavy-duty Ford trucks such as the F-250 Super Duty and F-350 Super Duty. It features a 13.22-inch body length and a compressed length of 13.86 inches, allowing it to fit precisely within the suspension system. The extended length reaches 20.47 inches, providing a travel length of 6.61 inches to accommodate suspension articulation and load variations. This shock absorber includes an extended bumper stop to help protect the suspension components during full compression. The lower mounting uses a loop bushing and sleeve mount with a 14mm sleeve inner diameter and 1.11/16" outer sleeve, while the upper mounting is a stem mount with a 2.5/8" stem length and 1/2"-13 thread pitch, ensuring secure attachment to the vehicle’s suspension.

The RS7MT product line is designed to deliver consistent damping performance for medium to heavy-duty trucks. This line focuses on durability and reliable operation under load, making it suitable for Ford Super Duty models that require robust suspension components to maintain handling and stability.

Common Applications and Problem Solving

• Reduces excessive suspension bounce and improves ride comfort on Ford F-250 Super Duty and F-350 Super Duty trucks
• Helps control body roll and sway during towing or heavy load hauling
• Prevents premature suspension wear by providing proper damping and travel control
• Mitigates bottoming out with the extended bumper stop feature
• Maintains suspension geometry and vehicle stability under off-road or rugged conditions

Installation Notes and Tips

When installing the Rancho RS77042 shock absorber, verify compatibility with your Ford F-250 Super Duty or F-350 Super Duty model year and suspension setup. Ensure the upper stem mount and lower loop bushing align correctly with the vehicle’s mounting points. Use the included parts pack P01167 for any necessary hardware during installation. It is recommended to inspect related suspension components for wear and replace as needed to maintain optimal performance.

Quality Assurance and Warranty

Rancho manufactures the RS7MT shock absorbers to meet stringent quality standards for durability and performance. While specific warranty details for part number RS77042 are not provided here, Rancho typically offers limited warranties covering defects in materials and workmanship. For precise warranty information, consult Rancho’s official documentation or authorized distributors.