Bilstein 24-186520 M 7100 Classic Threaded Body Coilover Universal 12.3" - 18.2"

Vehicle Fitment

• Universal Application - Custom Off-Road Builds (No Specific Vehicle Fitment)
• Compatible with Light-Weight Off-Road Vehicles Requiring Custom Suspension Solutions
• Commonly Used in Custom Truck, SUV, and Rock Crawler Applications

Features

• M 7100 Classic Series monotube design for custom off-road motorsports and recreational applications
• Fully threaded non-reservoir shock body allows precise ride height adjustment
• Factory rebuildable design extends service life and reduces long-term ownership costs
• 46mm monotube construction ensures consistent, fade-free performance in all conditions
• Zinc-plated finish provides excellent corrosion resistance in harsh environments
• Includes 1/2 inch heim joints and misalignment spacers for maximum durability in off-road conditions
• Compatible with 2.5 inch ID single-rate coil spring hardware (springs sold separately)
• Proven technology developed through over 30 years of off-road racing victories

Specifications

• Part Number: 24-186520 / BSN-24-186520
• Series: Bilstein M 7100 Classic (Coilover)
• Collapsed Length: 12.34 inches
• Extended Length: 18.22 inches (18.23 inches)
• Travel/Stroke: 5.89-5.90 inches (approximately 10 inches usable travel with spring)
• Body Diameter: 46mm (1.811 inches)
• Body Type: Fully threaded monotube, non-reservoir
• Spring ID Compatibility: 2.5 inches (2.5" ID coil springs)
• End Fittings: 1/2 inch heim joints with misalignment spacers (both ends)
• Finish: Zinc-plated steel
• Rebuildable: Yes, factory rebuildable design
• Replaces: Bilstein F4-BE5-6930-H8 (discontinued)

Included Components

• 1x Bilstein M 7100 Classic threaded body coilover shock
• 2x 1/2 inch heim joints (pre-installed on upper and lower mounts)
• 2x Misalignment spacers for heim joints
• 1x Set of 2.5 inch ID spring mounting hardware

Product Description

The Bilstein 24-186520 M 7100 Classic Coilover represents the pinnacle of universal off-road suspension technology for custom-built vehicles and specialized applications. Engineered for lightweight off-road vehicles where vehicle-specific coilovers are unavailable, this fully threaded non-reservoir shock provides the adjustability and performance needed for serious off-road enthusiasts. The M 7100 Classic series utilizes Bilstein's legendary 46mm monotube design that has dominated off-road racing for over three decades, delivering consistent, fade-free damping performance regardless of terrain, temperature, or abuse level. The fully threaded body allows precise ride height adjustment by raising or lowering the spring perch, making this coilover ideal for custom suspension builds where exact ride height control is critical.

With a collapsed length of 12.34 inches and extended length of 18.22 inches, the 24-186520 provides 5.89 inches of shock stroke, which translates to approximately 10 inches of usable suspension travel when properly configured with appropriate coil springs (sold separately). The factory rebuildable design means that when the shock eventually requires servicing after extreme use, it can be rebuilt by Bilstein rather than replaced, significantly reducing long-term ownership costs. Each coilover comes equipped with 1/2 inch heim joints and misalignment spacers on both upper and lower mounting points, providing the maximum range of motion and durability essential for off-road conditions where suspension articulation and binding-free operation are critical. The zinc-plated finish resists corrosion from mud, water crossings, salt, and harsh environmental exposure.

This universal coilover is designed to work with 2.5 inch inner diameter (ID) single-rate coil springs and includes the necessary spring mounting hardware. Commonly used applications include custom-built rock crawlers, tube-chassis race trucks, lightweight pre-runners, sandrails, and retrofit installations where OEM-style suspension has been replaced with a custom 4-link, 3-link, or triangulated setup. This shock also serves as a replacement for the discontinued Bilstein F4-BE5-6930-H8 and was previously used in the discontinued BTS-7514 coilover kit for 1999-2006 Toyota Tundra. Important note: This is a universal part requiring fabrication and custom fitment - it is NOT a direct bolt-on replacement for any specific vehicle. Professional installation by an experienced suspension fabricator is strongly recommended. Springs, spring perches, and additional mounting hardware must be purchased separately. When properly configured with appropriate spring rates and valving, the Bilstein M 7100 Classic delivers race-proven reliability and performance for the most demanding custom off-road applications.