C4320327 Automatic Serpentine Belt Tensioner Spring Tension Assembly For DFCV ISZ13 Heavy Truck Engine Fan and Alternator Drive Replacement Parts
Product Details
| OEM: | CC4320327 | Vehicle Model: | ISZ13 |
|---|---|---|---|
| Size: | D74*h32mm | ||
| Highlight |
Heavy Truck Serpentine Belt Tensioner,C4320327,C4320327 Automatic Serpentine Belt Tensioner |
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Product Description
Product Introduction C4320327 Belt Tensioner is a spring-loaded automatic tensioning assembly dedicated for ISZ13 diesel engine auxiliary drive circuit. It continuously applies preset elastic load on PK multi-ribbed belt, compensating belt elongation and torque surges from alternator, air compressor and cooling fan. This aftermarket replacement tensioner eliminates periodic squeal under load, unstable battery charging and premature belt fracture caused by torsion spring fatigue, damping attenuation and worn pulley bearing of old tensioners. Stable tension keeps auxiliary power transmission smooth, avoiding cooling and charging function failure for heavy trucks engaged in continuous long-haul highway freight and heavy-load transportation.
Product Advantages High-grade torsion spring maintains steady tension output after countless thermal cycles and engine vibration. Built-in damping module absorbs torque oscillation to reduce cyclic stress on belt ribs. Hardened idler pulley surface and high-precision bearing deliver low-friction rotation and wear resistance. Every tensioner is inspected for spring travel, torsion force and bearing smoothness before delivery, OEM mounting hole layout supports direct bolt-on installation.
| Item | Parameter |
|---|---|
| Part Number | C4320327 |
| Product Name | Belt Tensioner |
| Matching Engine | ISZ13 |
| Material | Alloy Cast Housing, Torsion Spring, Idler Pulley with Bearing |
| Feature | Automatic Belt Tensioning, Vibration Damping, Anti-Slip Protection |
| MOQ | Negotiable |
| Application | Engine Auxiliary Serpentine Belt Tension Mechanism |
Applicable Models Fit for heavy commercial vehicles equipped with ISZ13 diesel engine, widely used for intercity bulk cargo hauling.
FAQ
Q1: What is the typical sign when the tensioner spring loses tension?
A1: Belt slips easily under load, squealing noise appears and alternator charging voltage fluctuates.
Q2: Why should the pulley be checked for side play while replacing this tensioner?
A2: Loose bearing clearance introduces lateral force, which wears the belt edge rapidly.
Q3: Can oil contamination on the tensioner assembly shorten its service life?
A3: Hydraulic oil or engine oil will erode the damping rubber and accelerate spring fatigue.
Product Highlights
Product Introduction C4320327 Belt Tensioner is a spring-loaded automatic tensioning assembly dedicated for ISZ13 diesel engine auxiliary drive circuit. It continuously applies preset elastic load on PK multi-ribbed belt, compensating belt elongation and torque surges from alternator, air compressor ...
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