Product Parameters
|
Item |
Bump Stop-1 |
Bump Stop-2 |
Bump Stop-3 |
|
Product total height (mm) |
65 |
66 |
66 |
|
Base plate thickness (mm) |
7 |
7 |
7 |
|
Rubber body height (mm) |
58 |
59 |
59 |
|
Base plate length (mm) |
157 |
157 |
177 |
|
Base plate width (mm) |
117 |
117 |
117 |
|
Mounting hole diameter (mm) |
11 |
11 |
11 |
|
Lateral hole center distance (mm) |
125 |
125 |
145 |
|
Longitudinal hole center distance (mm) |
46 |
46 |
46 |
|
Rubber base width (mm) |
100 |
100 |
120 |




Strict Quality From History
The predecessor of Yantai Chenyu Automotive Parts Co., Ltd. was a state-owned semi-military enterprise. This history has given us strict quality standards. Since 1983, we have built up extensive experience in polyurethane and rubber products. After the company was officially founded in 2012, we focused our business on automotive parts. The company is now located at No. 156 Fenghuangshan Road, Fushan District, Yantai. The factory covers 45 mu, and the workshop area is 12,000 square meters. We have more than 150 production machines, as well as a physical laboratory and a chemical analysis room. These facilities support quality control for our leaf spring bump stop products.
Controls Leaf Spring Travel
The Rear Leaf Spring Bump Stop is used with the leaf spring suspension system. It controls the maximum travel of the leaf spring during suspension movement. It absorbs impact loads during driving and prevents the leaf spring from over-rebounding or over-compressing and hitting the frame. It provides cushioning, shock absorption, and noise reduction. It also helps reduce wear and aging of the leaf spring and frame.
We offer several specifications for different installation positions on trucks, trailers, and engineering vehicles. Customers can directly replace the original vehicle parts. Our Rear Leaf Spring Bump Stop has three specifications. The first type has a total height of 65 mm, a base plate length of 157 mm, a base plate width of 117 mm, and a rubber base width of 100 mm. The second type has a total height of 66 mm, a base plate length of 157 mm, a base plate width of 117 mm, and a rubber base width of 100 mm. The third type has a total height of 66 mm, a base plate length of 177 mm, a base plate width of 117 mm, and a rubber base width of 120 mm.

Stable Quality And Easy Order
For the Rear Leaf Spring Bump Stop, the base plate thickness is 7 mm for all three specifications, and the mounting hole diameter is 11 mm for all three. The lateral hole center distance is 125 mm or 145 mm, while the longitudinal hole center distance is 46 mm for all three. Customers can choose the appropriate specification based on their installation dimensions.
The company has passed IATF16949 quality management system certification and ISO14001 environmental management system certification. These certifications support stable product quality. For the minimum order quantity, the requirement is an order value of at least US$10,000 or one container. Customers can mix different models in one order. We accept payment in US dollars, and discounts are available for large orders.
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