Prothane Coil Spring Isolator

Jeep Wrangler 97-06 4.0L/2.5L

1-1703-BL

Overview:

The Prothane Black Coil Spring Isolator is a premium suspension component designed specifically for Jeep Wrangler models from 1997 to 2006. Engineered to provide a 1.5 to 2-inch lift, this coil spring isolator enhances your vehicle’s ride quality by reducing noise, vibration, and harshness commonly associated with factory springs. Ideal for Jeep enthusiasts looking to improve suspension performance and comfort, this isolator fits a wide range of Wrangler trims including the Sahara, Rubicon, Sport, SE, Unlimited, and special editions.

By installing the Prothane coil spring isolator, you ensure a quieter, smoother ride while protecting your coil springs from metal-to-metal contact, which can lead to premature wear and corrosion. This part is a smart upgrade for off-road adventurers and daily drivers alike who demand durability and improved suspension response.

Key Features:

Prothane’s coil spring isolator offers several benefits that make it a valuable addition to your Jeep Wrangler’s suspension system:

• Provides a 1.5 to 2-inch lift for improved ground clearance and suspension travel
• Constructed from high-quality, durable polyurethane for long-lasting performance
• Reduces coil spring noise and vibration for a quieter ride
• Prevents metal-to-metal contact, protecting springs from damage and corrosion
• Precision-engineered to fit Jeep Wrangler models 1997–2006, including multiple trims
• Easy to install with no permanent modifications required
• Maintains factory suspension geometry and ride characteristics
• Black finish complements the rugged look of your Jeep’s suspension

Construction & Design:

The Prothane coil spring isolator is crafted from premium-grade polyurethane, a material known for its superior resistance to wear, chemicals, and environmental factors. This robust construction ensures the isolator maintains its shape and effectiveness even under harsh off-road conditions. The isolator’s design precisely matches the coil spring dimensions of Jeep Wrangler models from 1997 to 2006, ensuring a secure fit that won’t shift or degrade over time.

Polyurethane’s inherent flexibility allows the isolator to absorb vibrations and impacts, significantly reducing the harshness transmitted through the suspension. The black finish not only provides corrosion resistance but also adds a clean, professional appearance to your suspension components.

Installation & Fitment:

Installation of the Prothane coil spring isolator is straightforward and can typically be completed with basic hand tools. It is designed to fit directly onto the coil springs of Jeep Wrangler models from 1997 through 2006 without requiring any cutting, welding, or permanent modifications. This makes it an excellent upgrade for both professional mechanics and DIY enthusiasts.

The isolator is compatible with a wide range of Jeep Wrangler trims, including the 65th Anniversary Edition (2006), Rubicon (2003–2006), Sahara (1997–2004), SE (1997–2006), Sport (1997–2006), Unlimited (2004–2006), Unlimited Rubicon (2005–2006), and X (2002–2006). Always verify fitment with your specific model and year before installation.

What's Included:

• One Prothane Black Coil Spring Isolator (1.5–2 inch lift)
• Installation instructions

Ideal For:

This coil spring isolator is ideal for Jeep Wrangler owners seeking to improve suspension comfort and durability without sacrificing factory ride quality. It is especially beneficial for those who frequently drive on rough terrain or who want to add a modest lift to their vehicle for better off-road capability. Whether you own a daily driver or a dedicated trail rig, this isolator helps extend the life of your suspension components while enhancing overall driving experience.

Prothane manufactures high-performance polyurethane bushings and chassis components designed to replace soft factory rubber and tighten up handling response. Made in the USA and built for cars and trucks, Prothane kits are a classic upgrade for enthusiasts chasing sharper steering feel, better suspension consistency, and longer-lasting materials.