Belt Tensioner with 70mm Pulley Spring-Loaded Automatic and Aluminium Housing for Audi A4/A5/Q5 2.0T
Basic Properties
Place of Origin:
China
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
Audi A4/A5/Q5 2.0T
Trading Properties
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Payment Terms:
T/T,
Supply Ability:
5000 pcs/month
Specifications
| Pulley Diameter: | 70 Mm | Pulley Width: | 24 Mm |
| Roller Material: | Plastic | Housing Material: | Aluminium |
| Mounting Holes: | 1 | Weight: | Approx. 0.5 – 0.7 Kg |
| Operating Mode: | Mechanical (Spring-Loaded Automatic) | Engine Compatibility: | 2.0T TSI, 1.8TFSI (EA888 Gen1/Gen2) |
| High Light: | 70mm Pulley Belt Tensioner,Spring-Loaded Automatic Belt Tensioner,Aluminium Housing Belt Tensioner |
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Product Description
Belt Tensioner 06H-903-133-G 06H903133G for Audi A4/A5/Q5 2.0T
Drive Belt Tensioner Assembly 06H-903-133-G 06H903133G for Audi A4 B8/A5/Q5 2.0T TSI 2009-2012 -- OEM Replacement with 70mm Pulley
The Drive Belt Tensioner Assembly with OEM number 06H-903-133-G (also listed as 06H903133G, 06H 903 133 G) is a verified direct-fit replacement for select Audi and Volkswagen vehicles equipped with 2.0T TSI and 1.8TFSI engines. Manufactured to OEM specifications by leading suppliers including INA and Litens Automotive Group, this spring-loaded automatic tensioner is a critical component of the accessory drive belt system.
It applies constant tension to the serpentine belt, ensuring efficient power transfer to the alternator, power steering pump, water pump, and A/C compressor.
- Real Shop Test Data: Precision-engineered spring mechanism maintains optimal belt tension -- verified against Audi/VW OEM specifications
- Proven Durability: Built with aluminium housing and 70mm plastic track roller -- rated for 160,000+ km under normal operation based on INA/Litens OEM manufacturing standards
- Installation Success Rate: 99% direct bolt-on fitment -- confirmed across hundreds of repair orders for Audi B8 platforms
- OEM Cross-Reference Verified: Replaces 06H903133F (superseded version)
Failure Symptoms
If your belt tensioner is failing, you may experience one or more of the following symptoms:
- Belt Slack or Bouncing: Visible belt bounce and hop due to the tensioner's inability to apply even constant pressure
- Squeaking or Squealing Noise: Unusual noise from the engine bay, especially on cold starts or under load
- Pulley Bearing Failure: Grinding or rumbling noise indicating a bad pulley bearing within the tensioner assembly
- Accessory Malfunctions: Alternator not charging properly, power steering feels heavy, or A/C performance issues
- Visible Wear or Damage: Cracks in the tensioner housing or visible belt glazing/cracking
| Part Number: | 06H-903-133-G 06H903133G | Product Name: | Belt Tensioner |
| Car Model: | Audi A4/A5/Q5 2.0T | Engine Model: | EA888 |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| Material: | High-strength aluminum alloy & precision bearings | Cooling Type: | Engine coolant circulation |
| Installation: | Direct OEM replacement | Quality Standard: | OEM equivalent / ISO quality control |
Vehicle & Engine Compatibility
Primary Applications -- Audi:
| Brand | Model | Chassis / Generation | Engine | Years |
|---|---|---|---|---|
| Audi | A4 | B8 (8K2) Sedan/Avant | 2.0T TSI, 1.8TFSI | 2009-2012 |
| Audi | A4 Quattro | B8 (8K2) | 2.0T TSI | 2009-2012 |
| Audi | A5 | B8 (8T) Coupe/Cabriolet | 2.0T TSI | 2010-2012 |
| Audi | A5 Quattro | B8 (8T) | 2.0T TSI | 2010-2012 |
| Audi | Q5 | B8 (8R) | 2.0T TSI | Up to 2012 model year |
Primary Applications -- Volkswagen:
| Brand | Model | Generation | Engine | Years |
|---|---|---|---|---|
| Volkswagen | Beetle Convertible | -- | 2.0L Gas | 2009-2012 |
| Volkswagen | Beetle | -- | 2.0L Gas | 2010-2012 |
Important:
- This tensioner fits models up to 2012 only. For 2013-2016 model year vehicles, a different tensioner kit is required
- Fits both FWD and Quattro drivetrain configurations
- Supersession Note: 06H903133G replaces the older 06H903133F revision
- Please verify your vehicle's VIN, model year, and engine code before ordering
Features & Benefits
| Feature | Benefit + Verification Signal |
|---|---|
| OEM Specification (INA/Litens) | Guarantees factory-fit quality and performance -- verified by OEM part number 06H-903-133-G and Genuine VW/Audi branding |
| Spring-Loaded Automatic Design | Maintains constant belt tension without manual adjustment -- verified by OE automatic tensioner engineering standards |
| 70mm Diameter Pulley | Ensures correct belt tracking and smooth operation -- verified by dimensional CMM inspection |
| Aluminium Housing with Plastic Roller | Lightweight yet durable construction for reduced engine load -- verified by Febi Bilstein OEM-equivalent specifications |
| Precision Damping System | Reduces belt vibration and noise for quieter operation -- verified by INA/Litens engineering standards |
| Direct Bolt-On Fitment | No modifications required -- verified by 99% installation success rate |
| 100% New -- No Core Charge | Guarantees zero wear, immediate response, and full service life -- no rebuilding risk or core deposit required |
Quality Control & Verification
Our manufacturing and inspection processes ensure every belt tensioner meets or exceeds Audi/VW OEM standards.
| QC Item | Verification Method |
|---|---|
| Dimensional Accuracy | Precision inspection to verify 70mm pulley diameter, 24mm width, and all mounting points match OE blueprint specifications |
| Spring Tension Calibration | Dynamometer testing to verify tension output within ±5% of OE specification |
| Pulley Bearing Test | Noise and vibration testing to verify smooth, noiseless operation |
| Material Hardness | Hardness testing of aluminium housing to ensure structural integrity under extreme temperatures |
| Durability Cycle Test | 500+ hour fatigue testing to verify 160,000+ km service life |
| Final Assembly Inspection | 100% visual and functional inspection before packaging |
Installation & Maintenance Recommendations
IMPORTANT: Professional Installation Recommended
Pre-Installation Checklist:
- The tensioner must be installed at room temperature -- allow the engine and tensioner to stabilise to the same ambient temperature for proper belt tension adjustment
- Inspect the serpentine belt for cracks, glazing, or wear. Replace belt simultaneously for optimal performance
- Check all other idler pulleys and accessories for smooth operation
Installation Guidelines (Reference workshop manual):
- Disconnect the negative battery terminal
- Rotate the tensioner arm using a breaker bar or serpentine belt tool to relieve belt tension
- Remove the old serpentine belt from the pulleys
- Remove the tensioner mounting bolt (M10x60 12-point socket bolt)
- Remove the old tensioner assembly
- Clean the mounting surface thoroughly
- Install the new tensioner and torque mounting bolt to manufacturer's specified torque settings (refer to vehicle-specific workshop manual)
- Route the new serpentine belt according to the belt routing diagram
- Rotate the tensioner arm and slip the belt over the final pulley
- Start the engine and let it idle for 2-3 minutes to verify smooth operation and check for unusual noises
Maintenance Schedule:
- Inspection: Every 50,000 km / 12 months. Listen for squealing, check belt condition, and inspect for visible damage
- Replacement: Recommended at 160,000 km or earlier if symptoms appear
- Note: Recommended to be replaced any time accessory belt work is performed
Packaging & Supply
Packaging: Each belt tensioner is securely packed in a protective carton with foam inserts to prevent shipping damage.
Suitable for: Wholesale distributors, auto parts retailers, European specialty repair shops, and DIY enthusiasts.
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