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Item #:
105283351
X AUTOHAUX Serpentine Drive Belt Tensioner Pulley and Idler Pulley Belt Assembly for Mercedes-Benz C240 C320 CL500 CLK320 E320 E500 ML500 S350 SL55
Item #:
105283351
AUD 90
Price Details
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In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 09
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Designed to keep the drive belt at the proper tension, our A/C Belt Tensioner restores your vehicle’s accessory drive belt system.
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What Stands Out
Durable Construction
Crafted from high-quality materials, this belt assembly ensures longevity and reliability for your Mercedes-Benz, reducing the frequency of replacements and maintenance costs.
Perfect Compatibility
Designed specifically for various Mercedes-Benz models, including C240 and E320, ensuring a seamless fit that enhances vehicle performance and reduces unexpected breakdowns.
Smooth Operation
Engineered to minimize friction and noise, this tensioner and idler pulley belt assembly offers a quieter ride while improving the efficiency of your vehicle's AC system.
Product Details
Product Technical Details
| Manufacturer | X AUTOHAUX |
| Brand | X AUTOHAUX |
| Item Weight | 3.32 pounds |
| Package Dimensions | 9.06 x 6.77 x 5.59 inches |
| Manufacturer Part Number | a23102300ux0643 |
| Position | Inner |
Who Should Buy?
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Mercedes-Benz Owners
Ideal for owners of specified Mercedes-Benz models requiring a reliable tensioner and idler pulley assembly replacement.
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DIY Mechanics
Perfect for DIY auto mechanics looking to perform their own maintenance on their Mercedes-Benz vehicles.
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Cost Conscious Shoppers
Budget-friendly option for those needing replacement pulleys without compromising on quality and performance.
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Professional Mechanics
Not ideal for professional mechanics who prefer higher-end, branded components for performance and warranties.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley used for?
Answer: The X AUTOHAUX Serpentine Drive Belt Tensioner Pulley is designed to manage the tension of the serpentine belt in your Mercedes-Benz vehicle. By maintaining proper tension, it ensures that essential components such as the alternator, water pump, and power steering pump operate efficiently. A malfunctioning tensioner can lead to belt slippage or breakage, causing critical engine performance issues. Regular inspection and replacement of the tensioner are recommended during routine maintenance to avoid unexpected breakdowns. -
Question:
How do I know if my belt tensioner pulley needs replacement?
Answer: Signs of a failing belt tensioner pulley include unusual squeaking or squealing noises from the engine, visible wear or damage on the pulley itself, and issues with belt alignment. If the serpentine belt shows signs of fraying or if you notice a decrease in the performance of engine components that rely on the belt, it’s a clear indication for inspection. Monitoring these symptoms promptly can prevent more severe engine issues and ensure optimal performance from your vehicle. -
Question:
Is the X AUTOHAUX Serpentine Drive Belt Tensioner compatible with all Mercedes-Benz models?
Answer: The X AUTOHAUX Serpentine Drive Belt Tensioner is specifically engineered for select Mercedes-Benz models, including C240, C320, CL500, CLK320, E320, E500, ML500, S350, and SL55, particularly designed for AMG vehicles. Always refer to your vehicle's owner manual or consult a professional mechanic to verify compatibility before making a purchase. This ensures you receive a product that meets the precise requirements of your vehicle’s engine system. -
Question:
What tools do I need to install the X AUTOHAUX tensioner pulley?
Answer: To install the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley, you'll typically need basic hand tools, including a ratchet set, various size sockets, and possibly a torque wrench for some models. Additionally, a serpentine belt tool can be incredibly helpful during removal and installation. Following the correct procedure—like relieving tension from the belt before removal—is crucial to ensure a successful installation and optimal operation of your serpentine belt system. -
Question:
Can I use the X AUTOHAUX tensioner pulley on vehicles not listed?
Answer: While the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley is designed for specific Mercedes-Benz models, using it on other vehicles is not recommended unless explicitly stated. The tension requirements and pulley design differ greatly across different models and makes. This can lead to improper fitment, which may cause further mechanical issues or inefficiencies. Always confirm compatibility through your vehicle’s specifications or consult with an automotive technician. -
Question:
Where is the serpentine drive belt tensioner located?
Answer: The serpentine drive belt tensioner is typically located near the front of the engine block, adjacent to the serpentine belt itself. Accessing it may require removing other engine accessories or covers, depending on the vehicle design. Its positioning allows it to adjust tension as needed, ensuring that the belt remains snug against pulleys. Familiarizing yourself with the engine layout in your owner's manual can simplify the locating process and assist in any service or inspections. -
Question:
What materials are used in the construction of the X AUTOHAUX tensioner pulley?
Answer: The X AUTOHAUX Serpentine Drive Belt Tensioner Pulley is constructed from durable materials that ensure longevity and reliability. Typically, it features high-grade rubber and metal components designed to withstand significant stress and wear. The robust design helps it manage high tension without failure, making it suitable for demanding conditions such as heavy loads or extreme temperatures. This durability is essential for maintaining the overall performance and efficiency of your vehicle's engine. -
Question:
Does the X AUTOHAUX tensioner pulley come with installation instructions?
Answer: While the X AUTOHAUX tensioner pulley itself typically does not come with detailed installation instructions included, many sellers provide guidelines or resources online. Additionally, numerous forums and instructional videos can assist in the installation process for your specific vehicle model. Utilizing these resources can help ensure a successful and safe installation, reducing the likelihood of errors that could affect engine performance. -
Question:
What is an idler pulley and how does it relate to the tensioner?
Answer: An idler pulley is a component in the serpentine belt system that helps guide the belt and maintain its tension, working closely with the tensioner pulley. While the tensioner adjusts automatically to manage belt tension, the idler pulley provides support and stability to the belt routing. Both work in tandem to ensure effective power transmission to engine accessories, preventing issues like belt slippage or misalignment, which are vital for maintaining engine performance. -
Question:
Where can I buy the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley?
Answer: You can purchase the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley from Ubuy in Australia. Ubuy offers a wide selection of automotive parts, ensuring you find the correct tensioner for your specific Mercedes-Benz model. Their platform provides detailed product descriptions and compatibility information to assist you in making an informed decision. Explore the convenience of shopping online with Ubuy to enhance your vehicle's performance and maintain its reliability.
X AUTOHAUX Belt Tensioners Editorial Review
The X AUTOHAUX Serpentine Drive Belt Tensioner Pulley and Idler Pulley Belt Assembly shows a mixed reception among customers. While some users praise it for being a great deal and fitting perfectly in their vehicles, others report serious quality issues, with instances of the tensioner pulley breaking or falling apart shortly after installation. Specifically, one reviewer noted that the tensioner disassembled itself after just 5,000 miles, raising significant concerns about durability and reliability. This dichotomy in customer experiences suggests that, while the product may work well for some, it has a notable risk of failure for others. The product might appeal to those looking for an affordable replacement part, but potential buyers should be warned about the risk of defects that could lead to premature failure. Overall, the effectiveness of the X AUTOHAUX Serpentine Drive Belt Tensioner Pulley and Idler Pulley varies significantly among users, leading to an uncertain recommendation. **
Customer Reviews & Ratings
54 customers ratings
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5 Star
74%
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4 Star
7%
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3 Star
8%
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2 Star
3%
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1 Star
8%
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Pros
- Direct replacement for specified parts, fitting well for many vehicles
- Generally good quality reported by some users
- Often found to be a great deal in terms of pricing
Cons
- Reports of premature failure (e.g., breaking after only a few weeks or 5,000 miles)
Platform Trust & Buyer Confidence
CJ
Chris
Verified buyer
“Promt delivery. Seems like a good product.”
22 July 2026 · via Trustpilot
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Scott
Verified buyer
“It was the best service ever received by any company from my online shopping experience in the last 10yrs”
11 July 2026 · via Trustpilot
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Terri
Verified buyer
“so easy to order delivery was way earlier than i expected”
3 July 2026 · via Trustpilot
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Gavin
Verified buyer
“Very impressed with the speed at which I received my package from the United States to Australia. Highly recommended.”
21-Jul-26 · via Trustpilot
J
Jeannie
Verified buyer
“Very efficient service. Hassle-free. Excellent product. Have ordered several times.”
17-Jul-26 · via Trustpilot
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AUD 90
Order now and get it around Wednesday, September 09
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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Features & Benefits
- High-quality AC belt tensioner ensures reliability and durability.
- Easy to install and direct replacement for old or broken components.
- Compatible with a wide range of Mercedes-Benz models.
- Long service life and good performance.
- Restores accessory drive belt system and eliminates noisy tensioner.
- Constructed from durable metal materials.
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