High Strength Alloy Wear Resistant Belt Tensioner 21983651 Prevent Belt Slip And Noise
High Strength Alloy Wear Resistant Belt Tensioner 21983651 Prevent Belt Slip And Noise
Product Description
This belt tensioner is a vital component of engine accessory drive system for heavy duty commercial diesel trucks. It adopts high strength alloy bracket and premium bearing pulley assembly. It automatically maintains constant tension for drive belt, effectively avoids belt slipping, vibration and abnormal noise. It guarantees reliable operation of cooling fan alternator and other auxiliary equipment, perfect replacement for worn or failed tensioners during truck engine maintenance.
Key Product Advantages
- High strength alloy bracket features good structural rigidity and strong anti vibration capability.
- High quality bearing pulley has low friction coefficient and excellent wear resistance.
- Built in spring structure automatically compensates tension caused by temperature and load changes.
- Effectively eliminates belt slip and abnormal noise to protect engine auxiliary parts.
- OE standard dimension supports direct fit installation without extra modification.
Product Specification Table
| Item | Description |
| Product Name | Belt Tensioner |
| Part Number | 21983651 |
| Application | Adjust and maintain engine drive belt tension for heavy commercial diesel truck accessory drive system. |
| Suitable for | Heavy‑Duty Truck |
| Condition | New |
| Packaging | PP Bag inside, Carton box outside |
Product Picture
FAQs
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Q1: What is 21983651 belt tensioner used for?
A1: It automatically keeps proper tension of engine drive belt and prevents belt slipping.
Q2: What material is this belt tensioner made from?
A2: It is made of high strength alloy bracket and wear resistant bearing pulley.
Q3: Can this tensioner replace the original part directly?
A3: Yes it is designed to OE specification for direct replacement.
Q4: When should I replace the belt tensioner?
A4: Replace it when abnormal noise belt slip or pulley wobble appears.
Q5: Are mounting bolts included in the package?
A5: Only tensioner assembly is supplied mounting bolts are not included.
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