Description
Product Overview
The Prothane leaf spring bushing model 1-1003-BL is engineered for SUV applications where durability and quiet performance are essential. Constructed from high‑grade black polyurethane, the bushing offers superior wear resistance and maintains flexibility under load. Its 4‑inch length and pinch‑tab mounting style provide a vehicle‑specific fit that matches the original equipment specifications. Precision fabrication ensures the bushing aligns perfectly with the leaf spring, eliminating play and reducing vibration. ![[Product front view showing all components]](https://www.partylife.store/wp-content/uploads/2026/06/cd8b910808d44c939cc9c37c00d5d0c0.jpg)
Usage
Designed for SUVs, this bushing is installed in the leaf spring suspension to absorb shocks and keep the suspension geometry stable. It is ideal for both original equipment replacement and aftermarket upgrades, delivering a smoother ride on highways, city streets, and off‑road conditions. The grease‑holding capability minimizes squeaks and extends service intervals, making it a practical choice for daily drivers and performance enthusiasts alike.
Why Choose Us
Prothane’s reputation for quality automotive components backs this bushing with rigorous testing and consistent material standards. The polyurethane formulation is formulated to resist oil, heat, and environmental degradation, ensuring long‑term reliability. Each unit undergoes dimensional inspection to guarantee a perfect match to the OEM part number 1-1003-BL. Our customer support team provides technical assistance and a hassle‑free return policy, giving you confidence in every purchase.
Key Features
- Premium black polyurethane resists wear and environmental damage
- Pinch‑tab design ensures a secure, vehicle‑specific fit
- Integrated grease pocket reduces noise and extends service life
- Provides the rigidity needed for stable leaf spring performance
- Backed by Prothane’s customer support and warranty program
FAQ
Is this bushing compatible with all SUV models?
The bushing is a vehicle‑specific fit for SUVs that use the OEM part number 1-1003-BL. Check your vehicle’s service manual to confirm compatibility.
What maintenance is required after installation?
Periodically inspect the bushing for signs of wear and reapply grease if necessary to maintain quiet operation.
Can I install the bushing myself?
Yes, the pinch‑tab mounting style is designed for straightforward installation with basic hand tools. However, professional installation is recommended for optimal alignment.
Does the polyurethane material affect ride comfort?
The material balances flexibility and rigidity, providing a smooth ride while maintaining suspension geometry.
What is the warranty coverage?
Prothane offers a limited warranty against manufacturing defects for a period of one year from the date of purchase.




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