Description
Product Overview
The Prothane 18-1004 leaf spring bushing delivers a perfect blend of rigidity and quiet performance. Made from premium grade polyurethane, it provides a smooth exterior surface that resists wear and holds super grease for long‑lasting lubrication. Precision‑fabricated to match OEM specifications, this bushing ensures a seamless fit on leaf springs, enhancing vehicle handling and comfort.
![[Product front view showing all components]](https://www.partylife.store/wp-content/uploads/2026/05/959610fcf7f1479090fbca4eb4c3dcb4.jpg)
Usage
Designed for automotive suspension systems, this bushing is ideal for trucks, SUVs, and performance cars that demand reliable leaf spring support. Whether you’re upgrading a daily driver or restoring a classic, the bushing’s durable construction handles harsh road conditions while minimizing noise and vibration for a smoother ride.
Why Choose Us
Prothane’s reputation for quality engineering backs every bushing. Our manufacturing process guarantees exact dimensions, eliminating fit issues. The polyurethane material resists cracking and deformation, extending service life compared to standard rubber alternatives. Plus, each unit is tested for load capacity and noise reduction before shipping.
Key Features
- Premium polyurethane construction for superior durability and quiet operation
- Precision fit eliminates installation hassle and ensures exact OEM alignment
- Holds super grease to maintain lubrication and reduce wear over time
- Rigid design improves handling while absorbing road vibrations
- Backed by Prothane customer support and a hassle‑free return policy
FAQ
What vehicles are compatible with the 18-1004 bushing?
The 18-1004 model fits most light‑truck and SUV leaf spring assemblies that use standard OEM dimensions. Check your vehicle’s service manual for exact compatibility.
How does polyurethane compare to rubber?
Polyurethane offers higher tensile strength, better resistance to oil and chemicals, and maintains its shape longer under load, resulting in a quieter and longer‑lasting bushing.
Do I need to apply grease during installation?
The bushing is pre‑filled with super grease, but adding a thin layer of compatible grease can further enhance quietness and protect against extreme temperatures.
What is the warranty on this product?
Prothane provides a one‑year limited warranty covering material defects and premature wear under normal use conditions.
Can I install the bushing myself?
Yes, the precision‑fit design allows for straightforward bolt‑on installation with basic hand tools. Follow the included installation guide for best results.






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