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The 082V95800-7499 Mc 07 belt tensioner pulley is a genuine SINOTRUK HOWO component engineered to maintain optimal tension in the accessory drive belt system, ensuring reliable power transmission to the alternator, water pump, and air compressor. As a critical element of the trusted Sinotruk howo parts family, this tensioner pulley reduces belt slippage, extends belt life, and minimizes noise and vibration. Manufactured with a precision‑machined steel pulley and a sealed, maintenance‑free bearing, the 082V95800-7499 unit withstands the extreme speeds and temperatures of heavy‑duty diesel engines. Its robust construction guarantees consistent tension and long‑term durability in mining, construction, and long‑haul applications. Investing in this authentic component ensures your Howo engine’s accessory drive operates smoothly and reliably.
Mc 07 Belt Tensioner Pulley
Натяжной ролик ремня Mc 07
Polea tensora de correa Mc 07
The 082V95800-7499 tensioner pulley features a high‑carbon steel pulley wheel that is precision‑machined to ensure a smooth, concentric running surface, reducing belt wear. The bearing is a double‑row sealed ball bearing, pre‑packed with high‑temperature grease and designed to withstand the high radial loads and rotational speeds of modern diesel engines. The pulley is dynamically balanced to minimize vibration, protecting both the belt and the tensioner arm from fatigue.
Each 082V95800-7499 pulley undergoes 100% dimensional inspection and noise testing. The bearing is tested for radial clearance and seal integrity to ensure long‑term reliability. The pulley is coated with a corrosion‑resistant finish, protecting it from road salt and moisture. This rigorous quality control guarantees that the tensioner pulley will provide smooth, quiet operation for hundreds of thousands of kilometers.
The table below provides detailed technical data for the genuine SINOTRUK HOWO 082V95800-7499 belt tensioner pulley. These specifications are essential for verifying compatibility.
| Parameter | Specification | Details |
|---|---|---|
| OEM Part Number | 082V95800-7499 | SINOTRUK HOWO Original Code |
| Product Name | Mc 07 Belt Tensioner Pulley | For accessory drive |
| Material (Pulley) | High‑carbon steel | Precision machined |
| Bearing Type | Double‑row sealed ball bearing | Maintenance‑free |
| Pulley Outer Diameter | 70 mm | ±0.5 mm |
| Pulley Width | 28 mm | For multi‑ribbed belt |
| Bearing Inner Diameter | 17 mm | Fits tensioner arm |
| Dynamic Load Rating (bearing) | 12.7 kN | ISO 281 |
| Limiting Speed | 12000 rpm | Suitable for high RPM |
| Operating Temperature | -40°C to +140°C | Continuous |
| Applicable Engines | Mc 07, MC11, MC13, WD615 | Check belt routing |
The 082V95800-7499 belt tensioner pulley is a direct OEM replacement for Howo engines, including the Mc 07, MC11, MC13, and WD615 series. It is a key component of the automatic belt tensioner assembly, maintaining constant tension on the serpentine belt that drives the alternator, water pump, power steering pump, and air conditioner compressor. A properly functioning tensioner pulley ensures that the belt stays properly aligned and tensioned, preventing slippage and premature wear.
In heavy‑duty applications, the tensioner pulley is subjected to continuous rotation, vibration, and exposure to engine heat. The genuine 082V95800-7499 pulley’s sealed bearing and durable construction withstand these conditions, providing reliable performance for hundreds of thousands of kilometers. It is also used in remanufactured engines and as a standard replacement part during routine maintenance.
When replacing the tensioner pulley, always inspect the tensioner arm and spring for wear. Replace the entire tensioner assembly if the arm has excessive play. Use a new belt if it shows signs of glazing or cracking.
Correct installation of the 082V95800-7499 pulley is essential to ensure proper belt tension and long service life. Follow these steps:
Disconnect the battery and remove the drive belt. Remove the old pulley from the tensioner arm using a suitable tool. Clean the mounting surface on the tensioner arm.
Position the new pulley and install the mounting bolt. Torque to the specification in the service manual (typically 45‑55 Nm). Rotate the pulley by hand to ensure it spins freely and quietly.
Reinstall the belt, ensuring it seats properly in all grooves. Start the engine and check for noise or vibration. Verify belt tension and alignment.
A worn or damaged tensioner pulley can cause accessory drive problems. Common signs that replacement is needed include:
If any of these symptoms are observed, immediate replacement with a genuine 082V95800-7499 pulley is recommended. Continuing to operate with a worn pulley can lead to belt failure and loss of accessory functions.
The precision bearing and smooth pulley surface ensure consistent belt tension, reducing slippage and extending belt life.
High‑quality steel and sealed bearing protect against contamination and wear, providing long‑term durability.
Dynamic balancing and precision machining minimize noise and vibration, improving driver comfort.
To maximize the service life of your 082V95800-7499 belt tensioner pulley, follow these best practices:
By adhering to these guidelines, you ensure that the 082V95800-7499 pulley performs optimally throughout its intended service interval.
Aftermarket tensioner pulleys are often made with inferior bearings and poor surface finish, leading to premature noise, vibration, and failure. The genuine 082V95800-7499 is manufactured to the exact specifications of the original equipment, using high‑quality steel and precision bearings. Each pulley is tested for balance and noise, guaranteeing that it will perform exactly as the original part.
By choosing authentic SINOTRUK HOWO parts, you protect your investment and ensure your truck maintains its reliability and resale value. The Sinotruk howo parts catalog includes a full range of engine and chassis components engineered for maximum durability. For fleet managers and owner‑operators who demand the best, the genuine 082V95800-7499 is the only responsible choice.
The 082V95800-7499 belt tensioner pulley is used across a wide range of Howo models: T7H, A7, and classic Howo‑7 series equipped with Mc 07, MC11, MC13, and WD615 engines. Always verify the belt type (PK profile) and pulley diameter using the service manual.
Each 082V95800-7499 is individually wrapped in protective packaging to prevent damage. The package includes the pulley only; the mounting bolt may need to be ordered separately.
Production of the 082V95800-7499 takes place in IATF 16949 certified facilities, using CNC machining and automated assembly. Statistical process control ensures that dimensional variations are kept to a minimum. Every batch is accompanied by a material certificate and test report, guaranteeing that the pulleys delivered are identical to those fitted on new Howo trucks at the factory.
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