Description
Product Overview
Newnessai presents a front bump stop and lower control arm jounce bumper designed specifically for Chevrolet Silverado and GMC Sierra trucks from 2011 to 2021. Constructed from high‑density polyurethane foam, the component delivers superior shock absorption, reduced metal‑to‑metal contact, and extended suspension life. It matches the original equipment dimensions (4.33 x 2.76 x 6.3 inches) and weight (5.3 oz), ensuring a perfect fit without modifications.
![[Product front view showing all components]](https://www.fairyshop.store/wp-content/uploads/2026/06/82911981086742deb5c403dcd624c418.jpg)
Usage
Ideal for daily commuters, work trucks, and off‑road enthusiasts, this bump stop protects the lower control arm during hard cornering, pothole impacts, and heavy loads. It is especially beneficial for owners who frequently tow or carry cargo, as the added cushioning maintains alignment and handling stability.
Why Choose Us
Newnessai combines automotive engineering expertise with premium materials to create a part that outperforms standard rubber stops. Each unit undergoes rigorous quality testing, guaranteeing consistent performance across temperature extremes. Our direct‑replacement design eliminates the need for drilling or custom modifications, and we back the product with responsive customer support.
Key Features
- High‑density polyurethane foam provides long‑lasting durability and superior impact absorption.
- Direct‑fit replacement eliminates installation time and tools beyond a small wrench.
- Improves ride comfort by reducing harsh jolts and vibration transmitted to the cabin.
- Specifically engineered for 2011‑2021 Silverado and Sierra models for a perfect OEM match.
- Dedicated after‑sales support ensures quick assistance and hassle‑free returns.
FAQ
Will this part fit my 2015 Chevrolet Silverado?
Yes, the bump stop is engineered to replace part number 8341A‑A8702 and fits all Silverado 2500HD and 3500HD models from 2011‑2021.
Do I need any special tools for installation?
Installation requires only a closed‑end small wrench to push the stop into place after inserting one side; no additional tools are necessary.
Is the polyurethane material resistant to oil and chemicals?
The foam is formulated to resist typical automotive fluids, ensuring consistent performance even in harsh environments.
Can I use this bump stop on a lifted truck?
Yes, the design accommodates standard lift heights up to 2 inches without compromising function.
What warranty does Newnessai provide?
Newnessai offers a 12‑month limited warranty covering manufacturing defects and includes full technical support.




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