Koni Freightliner XC EVO FSD Rear Shock Absorber

SKU: 9905 1031

Koni Freightliner XC EVO FSD Rear Shock Absorber for Superior RV Performance

Transform your RV driving experience with the Koni Freightliner XC EVO FSD Rear Shock Absorber (SKU: 9905-1031), the pinnacle of suspension technology designed for exceptional comfort, control, and durability. Engineered specifically for Freightliner XC chassis, these shocks surpass all competitors, delivering a smoother, safer, and more stable ride that enhances every journey. Whether navigating winding roads, tackling rough terrain, or cruising highways, the Koni EVO FSD is the top choice for RV enthusiasts who demand excellence.

Why Choose Koni EVO FSD Rear Shock Absorbers?

The Koni EVO FSD (Frequency Selective Damping) shocks lead the industry in RV suspension, combining advanced technology with robust construction to outperform other options. Here’s why they stand out:

• Exceptional Ride Comfort: Patented FSD technology adjusts damping dynamically based on road conditions, providing firm control for large bumps and corners while softening for smooth roads, reducing harshness and vibrations.
• Enhanced Handling and Stability: Large 50mm bore pistons and custom-tuned valve stacks ensure precise body control, minimizing sway, pitch, and bounce for safer cornering, braking, and acceleration.
• Superior Durability: Constructed with 9-ton strength and increased oil capacity, these shocks are built for the heavy demands of RV travel, extending tire and suspension life while maintaining peak performance.
• Vibration-Free Ride: A specialized valve filters out road vibrations before they reach the cabin, delivering a quiet, comfortable ride unmatched by standard shocks.
• Proven Reliability: Trusted by RV owners and backed by Koni’s 90-year legacy of innovation, these shocks are designed in the Netherlands with high-quality materials for lasting performance.

No other shock absorber matches the Koni EVO FSD’s ability to blend luxury-car comfort with heavy-duty RV control, making it the best choice for motorhome owners.

What’s Included in Your Purchase

• One (1) Koni EVO FSD Rear Shock Absorber (SKU: 9905-1031), individually packaged for secure delivery.
• Part Number: 9905-1031
• Mounting Specifications:
• Upper Mount Type: Eye 3/4″ (19.15mm)
• Lower Mount Type: Eye 3/4″ (19.15mm)
• Extended Length: Approximately 24.13 inches
• Collapsed Length: Approximately 15.04 inches
• Installation Hardware: Not included; ensure compatibility with your vehicle’s existing mounting setup.
• Warranty: Covered by Koni’s manufacturer warranty.
• Technical Support: Access to Koni’s technical support for fitment and installation queries.

Note: Shocks are sold individually. For a complete rear suspension upgrade, purchase two units.

Vehicle Fitment

The Koni EVO FSD Rear Shock Absorber (SKU: 9905-1031) is precision-engineered for the following vehicles:

• Freightliner XC Chassis (1993–Current)
• Freightliner XCR Chassis (1993–Current)
• Freightliner XCM Chassis (1993–Current)
• Freightliner XCS Chassis (1993–2001, 2012–Current)
• Freightliner XC Neway IFS (Independent Front Suspension models)
• Freightliner XC Rigid Front Axle/Mono Beam/I-Beam
• Freightliner X-Line Diesel Pusher Air Suspension Chassis
• Roadmaster R4R Chassis (2002–2011)
• Roadmaster RR4R Chassis (2002–2011)
• Alpine Coach Peak Chassis (1998–2006)
• Spartan Alpine Chassis (1997–2001)
• Spartan Summit Chassis (1997–2001)

Important Fitment Notes:

• Compatible with Freightliner air ride chassis featuring rigid front axle or I-Beam suspension.
• Does not fit chassis with Hendrickson VTEK NXT (VFS) I-Beam front axle (2023+ models) or spring suspensions.
• Verify your vehicle’s suspension type and mounting configuration (e.g., 3-bolt bellcrank required for some models) before purchase.

Why Koni EVO FSD is the Top Choice

Unlike standard shocks like Sachs or Bilstein, the Koni EVO FSD (SKU: 9905-1031) is tailored for the unique weight and dynamics of Class A motorhomes. Its advanced EVO 99 technology, featuring a 40% larger piston than standard FSD models, reduces internal pressure for cooler operation and faster response, ensuring longevity and consistent performance. Customer feedback highlights significant improvements over OEM shocks, with reduced body roll, quieter rides, and better stability in challenging conditions like crosswinds or uneven roads.

Disclaimer: Always confirm vehicle fitment with your retailer or Koni’s technical support. California residents, note the Proposition 65 warning regarding potential chemical exposure (visit www.P65Warnings.ca.gov for details).