---
product_id: 396948345
title: "U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F)"
brand: "duratpe"
price: "R1106"
currency: ZAR
in_stock: true
reviews_count: 6
category: "Dura Tpe"
url: https://www.desertcart.co.za/products/396948345-u-s-rubbershox-series-front-rear-car-coil-spring-buffer
store_origin: ZA
region: South Africa
---

# Fits coil gaps 0.55”-0.85” (Size F) Universal fit for cars & trucks DuraTPE material resists abrasion & UV U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F)

**Brand:** duratpe
**Price:** R1106
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your drive with shock-absorbing precision and unbeatable stability!

## Quick Answers

- **What is this?** U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) by duratpe
- **How much does it cost?** R1106 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/396948345-u-s-rubbershox-series-front-rear-car-coil-spring-buffer)

## Best For

- duratpe enthusiasts

## Why This Product

- Trusted duratpe brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Compatibility:** Designed for sub-compact to mid-size sedans and trucks with 2000-3500 lbs gross weight, boosting lift up to 2” with optional blocks.
- • **Trusted US-Based Support:** Backed by a 2-year warranty and lifetime technical assistance, ensuring peace of mind and long-term reliability.
- • **Precision Fit for Your Ride:** Choose the perfect buffer size to match your coil spring gap for seamless installation and optimal performance.
- • **Durable DuraTPE Construction:** Crafted from eco-friendly, abrasion-resistant thermoplastic rubber that withstands oil, salt, gravel, and UV exposure.
- • **Enhanced Suspension Stability:** Significantly reduces noise and vibration while preventing coil sagging for a smoother, more controlled drive.

## Overview

The U.S. RubberShox Series Coil Spring Buffer Cushion is a universal automotive suspension booster made from durable DuraTPE thermoplastic rubber. It fits coil spring gaps between 0.55” and 0.85” (Size F), supports vehicles weighing 2000-3500 lbs, and enhances driving stability by reducing noise, vibration, and coil sagging. Designed for sub-compact to mid-size sedans and trucks, it extends suspension life and offers up to 2” lift when combined with rubber block boosters. The product is backed by a 2-year warranty and US-based customer support.

## Description

RubberShox DuraTPE & DuraTPE Pro Series- Front-Rear automotive coil spring buffer/booster kit is a shock absorbent accessory package that provides a tighter, more resilient suspension.- This absorbs and dissipates the shock from rough road conditions with greater driving stability while extending the life of coil springs and the suspension system.- Universal Fitment Type: A / A+ / B / B+ / C / D / E / FPackage List:2 * Premium Shock Absorber Spring BuffersNote:Please allow 1-3 cm error allowance due to manual measurement. We appreciate your kind understanding. What is the difference between DuraTPE CSB series and the DuraTPE Pro CSBPro series?DuraTPE Pro uses high-density TPE material that removes the body hole to increase compression and flexibility. The hardness rating 65 is higher than the standard DuraTPE series rated hardness at 60. DuraTPE Pro, due to stronger material, it roughly raises ground clearance 1”-1.25” per buffer set installed) compared to the DuraTPE raises ground clearance roughly 0.5” ~0.75”.How does this product make my car feel "stiffer" while driving after they are installed?DuraTPE / DuraTPE Pro series with industry-standard hardness 60, is designed to add firmer and stiffer support to the older shock suspension. It also increases the ground clearance for the vehicle to preventing low ground clearance vehicles from hitting road bumps.When do I choose DuraTPE Pro over DuraTPE ?Choose DuraTPE Pro series if you are installing onto a heavier SUV or truck and prefer a higher ground clearance and a stiffer ride. Choose DuraTPE for your sedan if you prefer a softer ride and less ground clearance.

Review: Important to know the dimensions of your spring before purchasing this product. - I Installed perfect for my kia cerato 2014 and it was improved my steering and lift around half inch, riding smooth bumb even in humps and yellow lane. I highly recommend this product!
Review: Very hard to put in place but it impressive on the road !

## Features

- 🚗【Product Dimensions】：Choose Size F, if the Car Coil Spring Gap (when lifted and unloaded) is between 0.55”-0.85”. *Please lift the vehicle to measure the Gap. Coil gap may vary between brands and years of use. Also refer to Size Chart in Photos and User Manual in Technical Specification.
- 🚗【Supported Weight & Package Contents】：Designed for sub-compact to mid-size sedans- 2000-3500Lbs GW. The lift height of a vehicle may vary from 0.2" to 1.5" depending on its weight and modification. Up to 2” if combined with Rubber Block Boosters. DuraTPE material with full ring design, reinforces Automotive Coil Spring Buffers/shock absorbers (2pc. Per pack – multiple size options).
- 🚗【Durable Material & Performance Enhancement 】： DuraTPE Thermoplastic Rubber - Environmental friendly and Resistant to coil abrasion, oil, salt, gravel & UV radiation. Enhances driving stability while extending the life of coil springs and the suspension system. Please check the template below to choose the correct buffer size.
- 🚗【US Based Company& Warranty】: US based Company and Support. In Stock with a 2 Year warranty and lifetime technical assistance.
- 🚗【Peace of Mind】：Enhanced stability, diminish the noise and vibration remarkably from suspension component. Prevents coil sagging with a reinforced suspension. This absorbs and dissipates the shock from rough road conditions while extending the life cycle of coil springs and the suspension system, save the maintenance cost.
- *To find the correct buffer size that fits your coil spring, please refer to the file named "Installation Manual (PDF)" below. We suggest you glue the template onto a thick board and cut out the step-ladder ruler. Then place the bottom side of the template onto the coil and slide it until you hit your mark.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08KRTVRML |
| Auto Part Position | Front, Rear |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #92,976 in Automotive ( See Top 100 in Automotive ) #177 in Car Shock Absorbers |
| Brand Name | DuraTPE |
| Compatible with Vehicle Type | Car, Truck |
| Customer Reviews | 4.2 4.2 out of 5 stars (586) |
| Exterior Finish | Black |
| Manufacturer | DuraTPE |
| Manufacturer Part Number | csb |
| Material Type | Rubber |
| Model Number | csb |
| Style Name | Modern |
| UPC | 850023125330 |

## Product Details

- **Auto part position:** Front, Rear
- **Brand:** DuraTPE
- **Exterior finish:** Black
- **Style:** Modern
- **Vehicle service type:** Car, Truck

## Images

![U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) - Image 1](https://m.media-amazon.com/images/I/61eK0eHIe5L.jpg)
![U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) - Image 2](https://m.media-amazon.com/images/I/81eOa7cV1rL.jpg)
![U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) - Image 3](https://m.media-amazon.com/images/I/71w+clfQBWL.jpg)
![U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) - Image 4](https://m.media-amazon.com/images/I/71lb-rZs+uL.jpg)
![U.S. RubberShox Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB Plus, F) - Image 5](https://m.media-amazon.com/images/I/71lMsTvXG+L.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Questions & Answers

**Q: Hola me puede decir cuál sería el moldelo conveniente para Toyota Corolla hacback 2021 con rin17”**
A: Hola no soy el vendedor del producto pero considera las especificaciones del espiral-resorte o Spring y los vendedores de esta marca en especifico, tienen las características y cantidad adecuada para cada uno de los especiales fabricados o por lo menos para su gran mayoría

**Q: Will this raise the truck in the back or just keep it from squatting and witch color would I need**
A: Hello, 
thank you for your interest and inquiry,  the buffers will aid and provide resistance your your coild to provide a stiff suspension feel.  you may experience a small lift between 0.8 up an inch by not letting the coil from fully compressing. 

super is the denses and gets softer going down to plus, pro and standard series.

**Q: Cuales son los que puedo poner en una toyota rav4 2018 delantero y traseros**
A: Thanks for reaching out to RubberShox.
 
We do not have your vehicles in our database; thus we can’t be sure what sizes to fit your vehicle. 
Please refer to the size choosing manual in the listing.
Please jack up car first and measure the gap to determine the size.
If you can send over your measure distance, we can help you determine size.
Also, there are four different types hardness for CSB, CSBPlus, CSBPro, and CSBSuper series. 
CSBSuper: 6000Lbs GW and 7000Lbs combined with Rubber Block Booster
CSBPro: 5500Lbs GW and 6500Lbs combined with Rubber Block Booster
CSBSPlus: 5000Lbs GW and 6000Lbs combined with Rubber Block Booster
CSBS: 4500Lbs GW and 5500Lbs combined with Rubber Block Booster 

RubberShox Team

**Q: Anyone know the size for the rear or a Ford Maverick?**
A: If someone has the same make, model, year and trim as you, they might be able to tell what they used. Word of caution because they may be ordering them for a different purpose. The different colors reflect capacity and/or stiffness and each color has different coil buffer sizes.

With that being said, you will have to jack up your vehicle and write down measurements and dimensions for your coil springs. Use this information to select the buffer that best matches your springs. Note that the front and rear springs on my vehicle were different so I had to do this for both front and rear springs. This proved to be a great "drill" for me to prepare me for the actual installation of the buffers.

H1 is the vertical space between the coils when they are unloaded with the vehicle jacked up. Coil spring spacing also varies on the position on the springs and may fit better and respond differently on a different position on the coils. I installed mine closer to the top of the front springs as they seemed softer than stiffer in the middle of the coils.

H2 is the loaded coil spacing with the vehicle on the ground. If you select an H2 dimension that is greater than your coils H2 height, the buffers may lift the suspension. If it is equal or less than your coil's H2 dimension, it won't affect the height or change wheel alignment. I went with an H2 height that was less than the spring height so that it wouldn't affect the suspension. I rotated the buffer into the area where it fit best and verified the height of body at each wheel well remained unchanged from before the installation. 

Use D1 and D2 to identify the buffer size to match closest to your spring diameter size. The buffer is somewhat flexible and will stay put on your coils once the springs are loaded and secured in place with the provided zip ties.

D3 is the diameter of the coils that will fit within the buffer groove and will also hold the buffer in place. There are some hacks on-line to help with getting the buffers installed. I selected appropriate sizes for the front and rear and used WD-40 to lubricate the buffers and springs making installation much easier. Unless your vehicle is new, the process will be messy so have hand towels or rags handy to clean up the mess.

Save the measurements and sizes for future use to double check the buffers before installing them.  Hope this helps. I was very happy with how the buffers reduced the amount of roll and sway without throwing off the suspension and alignment. I later removed the rear buffers because using only the front buffers worked perfectly. If I have to haul heavier loads, I could put the rear buffers back for more stability for the extra weight.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Important to know the dimensions of your spring before purchasing this product.
*by H***. on 28 November 2021*

I Installed perfect for my kia cerato 2014 and it was improved my steering and lift around half inch, riding smooth bumb even in humps and yellow lane. I highly recommend this product!

### ⭐⭐⭐⭐ Review
*by A***R on 7 November 2025*

Very hard to put in place but it impressive on the road !

### ⭐⭐⭐⭐⭐ Review
*by T***2 on 30 November 2025*

I came to the reviews for help so I'll return the favor! 2025 Toyota Sienna XLE Woodland Edition: size A- in the black durometer. Installed in rear only. Fit: Tight but not too tight. With ample WD-40 per the instructions, installation took about 5 minutes per side of working them over the coils and adjusting into place. Tip- run your finger along the inner edges to ensure the inner lip is fully seated over the coil. Compplete installation took a bit longer because I removed the rear wheels for easier access but it could be done without. I opted to not install the zipties because the fit was tight enough as-is. "That's not going anywhere" Ride: It felt like the rear was lifted more than measured and much more stiff than the sloppy ("comfy") factory rear suspension setup. I will report back after some highway and loaded drives. Not too firm for daily driving around town but noticeably less rear sway. Lift: Provided about 1/4" of lift in the rear measured after a test drive to settle them in. Overall I would recommend them if you dislike the saggy rear of factory Siennas with any added payload. At this price and ease of installation it's not terrible to try a couple densities to dial it in to your preference.

## Frequently Bought Together

- U.S. RubberShox DuraTPE Series Front-Rear Car Coil Spring Buffer Cushion/Automotive Suspension Shock Absorber Retainer Performance Booster Kit Universal Type A-F Vehicle Auto Parts (CSB, F)
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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-05-13*