Description
Product Overview
The GM U‑bolt spacer is a high‑quality rear suspension component crafted from smooth, high‑strength metal. Engineered as a direct replacement for OEM part 15733654, it fits 1/2‑ton trucks such as the Express 1500 and Savana 1500. Measuring 6 x 4 x 4 inches and weighing just one pound, this modern‑styled spacer delivers precise alignment and reinforced support for demanding loads.
Usage
Designed for rear suspension applications, the spacer is ideal for heavy‑duty trucks used in commercial hauling, towing, and off‑road work. It provides reliable reinforcement during high‑stress conditions, ensuring stability and longevity. 
Why Choose Us
Our U‑bolt spacer meets strict OEM specifications, offering a perfect fit and durable performance. Manufactured with premium metal and a smooth finish, it resists corrosion and wear. Backed by positive customer reviews and a proven track record in the automotive replacement market, it delivers confidence and value for professional mechanics and DIY enthusiasts alike.
Key Features
- Genuine GM part number 15733654 ensures exact OEM fit
- High‑strength smooth metal construction for durability
- Modern design compatible with Express 1500 and Savana 1500 rear suspension
- Direct‑replacement installation saves time and labor
- Rated 5‑star by customers for performance and reliability
FAQ
Is this spacer compatible with other GM models?
The spacer is specifically engineered for the Express 1500 and Savana 1500 rear suspension. Compatibility with other models is not guaranteed.
Do I need any additional hardware for installation?
All necessary hardware is included with the part. Standard tools for U‑bolt installation are sufficient.
Can I install this spacer myself?
Yes, the spacer is a direct‑replacement part designed for straightforward installation by experienced DIYers or professional technicians.
What is the warranty on this product?
The spacer comes with a limited one‑year warranty covering manufacturing defects.
How does this spacer improve vehicle performance?
By providing a precise fit and added reinforcement, the spacer helps maintain suspension geometry, reducing wear on other components and improving overall stability under load.




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