The Mercedes-Benz 23540876 belt tensioner is a vital component in ensuring the optimal function of the engine’s accessory belt drive system. By maintaining precise tension on the serpentine belt, this part helps prevent misalignment, belt slipping, and premature wear of engine accessories such as the alternator, power steering pump, and AC compressor.
Key Functions:
Keeps the drive belt under the correct tension
Reduces vibration and noise
Increases the longevity of other belt-driven components
Ensures stable engine operation in both high and low loads
This belt tensioner is built for Mercedes-Benz diesel engine platforms, particularly in trucks, vans, and heavy-duty commercial vehicles. Whether in city routes or long-haul operations, consistent tension ensures mechanical efficiency.
Product Versions Available: Supplied by Ningbo Qiuning Trading Co., Ltd.
To cater to the varied needs of international clients, we offer two distinct product lines:
Original Factory Belt Tensioner (OEM):
Manufactured to Mercedes-Benz original specifications
Precision bearings and high-strength materials
Delivers long-lasting performance even in demanding conditions
Seamless fit and hassle-free installation
Subsidiary Factory Belt Tensioner (Aftermarket):
Cost-effective for everyday maintenance
Built with durable materials and tested for functional reliability
Balanced between price and performance
Suitable for vehicle service centers and budget-sensitive clients
Both options go through rigorous quality control and are compatible with multiple Mercedes-Benz diesel models.
Technical Specs & Compatibility:
Part Number: 23540876
Application: Belt drive systems in Mercedes-Benz diesel engines
Type: Mechanical automatic tensioner
Compatible Models: Various trucks, buses, and heavy vehicles (contact for full list)
Installation: Direct replacement, no modification required
Materials: Steel housing with polymer or steel pulley (depending on version)
Why Choose Us:
As a trusted exporter, Ningbo Qiuning Trading Co., Ltd. provides:
Flexible MOQ for wholesalers and repair workshops
Fast worldwide shipping
Technical support and fitment guidance
Honest pricing, stable supply chain
Our tensioners are suitable for routine maintenance or large-scale fleet servicing, and we welcome inquiries from independent repair shops, parts distributors, and logistics operators.
📦 Contact Us Today for Orders or Technical Questions
WeChat/WhatsApp: +8615888032469
Email: allen@perkins-rx.com
Supplier: Ningbo Qiuning Trading Co., Ltd.
