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Knorr-Bremse Four Circuit Prot. Valve I73329
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I73329, I 73 32 9, I.73.32.9
Product Overview
The Knorr-Bremse Four Circuit Protection Valve I73329 is a critical pneumatic component that ensures the safe and reliable distribution of compressed air to the vehicle’s primary brake circuits. Engineered to protect individual air circuits from pressure failure in other parts of the system, this valve maintains system stability and enhances overall braking safety. Suitable for use in trucks, trailers, and buses, this valve meets stringent OEM and safety standards.
Key Features
- OEM Part Number: I73329
- Function: Distributes and protects compressed air circuits (typically four)
- Design: Modular construction for ease of maintenance and replacement
- Material: High-grade aluminum housing with corrosion-resistant finish
- Operating Pressure: Nominal 10 bar system compatibility
- Factory-set pressure thresholds for circuit isolation
- Compact, lightweight design suitable for modern vehicle layouts
- Compliance: Meets ECE R13 and ISO 7638 standards
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Four Circuit Protection Valve (Part No. I73329)
- OEM product packaging with barcode and batch number
- Technical data sheet or installation guide (available on request)
Wholesale Buyer Benefits
- Wholesale pricing and support for fleet operators and resellers
- Stock availability at AAA Trading’s Dubai distribution center
- Fast processing for bulk and container shipments
- Support for cross-referencing with OE and aftermarket part numbers
- Reliable logistics and export documentation assistance
Applications and Compatibility
The I73329 Four Circuit Protection Valve is designed for use in:
- Heavy-duty trucks, trailers, and buses equipped with air brake systems
- Commercial vehicles from OEMs such as MAN, Volvo, DAF, Mercedes-Benz, Scania, and Renault
- Applications where protection of four separate air brake circuits is required
- Suitable for OEM installation or aftermarket system maintenance
Always confirm compatibility with the vehicle’s system layout or consult our team for cross-reference support.
Warranty and Product Authenticity
- 12-month limited manufacturer warranty
- 100% genuine Knorr-Bremse component
- Supplied in factory-sealed packaging with serial tracking
- Fully compliant with OE safety and quality standards
Why Choose AAA Trading Dubai
- Reliable source of genuine European commercial vehicle components
- Strategically located in Dubai for regional and global distribution
- Specialized in Knorr-Bremse air, brake, and pneumatic systems
- Expert support team available for technical queries and sourcing
- Serving clients in the Middle East, Africa, and South Asia
Shipping & Delivery
Shipping & Delivery Policy
Shipping & Delivery Policy
At Triple A Trading, we are committed to fast, reliable shipping to ensure our clients receive their automotive spare parts without unnecessary delays. We are a registered business in Dubai, United Arab Emirates. For more information about business registration, please visit the Dubai Trade Portal.
Order Processing Time
All orders are processed within 1-3 business days following payment confirmation. You'll receive a notification once your order has been dispatched.
Shipping Options & Delivery Timeframes
- Standard Shipping – Delivered within 5-7 business days
- Expedited Shipping – Delivered within 3-5 business days
- Express Shipping – Delivered within 1-3 business days
Shipping Costs
Shipping rates are calculated based on your order’s weight and destination. The total shipping cost will be clearly displayed at checkout before finalizing your order.
International Shipping
We proudly serve customers across Africa, Europe, Asia, and the Middle East. Please note that international shipments may be subject to customs duties and taxes, which are the customer’s responsibility.
Triple A Trading works diligently to ensure smooth cross-border deliveries, minimizing delays due to customs or political complications. For more details, please refer to the Dubai Customs official website.
Order Tracking
Once your order ships, you'll receive a tracking number via email, which can be used to monitor the shipment through the carrier's website.
Delivery Issues
If you experience any issues with your delivery, such as delays or missing items, please contact our customer service team:
- Email: sales@triple-a-trading.com
- Phone: +971 50 443 1871
We’re here to assist you and ensure your order is resolved quickly and efficiently.
Thank you for choosing Triple A Trading – Your trusted source for quality automotive spare parts, delivered with speed and care.
Frequently Asked Questions (FAQ)
Frequently Asked Questions (FAQs)
What is the Knorr-Bremse Four Circuit Protection Valve I73329 used for?
The Knorr-Bremse I73329 Four Circuit Protection Valve is used in commercial vehicle air brake systems. It manages and distributes compressed air to four independent brake circuits while protecting each circuit from pressure loss in the others, enhancing vehicle safety and compliance.Which vehicles are compatible with I73329?
This valve is widely used in European heavy-duty trucks, trailers, and buses, including models from manufacturers such as MAN, Mercedes-Benz, DAF, Volvo, and IVECO. Always verify compatibility by checking the OE number or technical system layout.Is I73329 a genuine Knorr-Bremse product?
Yes, we supply only authentic Knorr-Bremse products. Each valve is factory-sealed, marked with a unique part number, and supported by the manufacturer’s quality and warranty standards.Do you offer wholesale pricing for the I73329 valve?
Yes, we provide bulk pricing for wholesalers, resellers, and fleet operators. To receive a personalized quote, please email us at sales@triple-a-trading.com with your quantity and delivery requirements.What does the I73329 valve include?
The valve is supplied as a complete unit, ready for installation. It does not include additional fittings or mounting hardware unless specified. Technical datasheets are available upon request.Is international shipping available?
Yes, we ship globally from our logistics facility in Dubai. All shipments include proper export documentation, and we offer both air and sea freight options depending on urgency and volume.What is the typical lead time for this product?
Delivery time is typically 2–5 business days, depending on stock levels and destination. Express services are available for urgent orders.Does the I73329 valve come with a warranty?
Yes, it comes with a 12-month warranty covering manufacturing and material defects under normal operational conditions.Can I get technical support for installation or troubleshooting?
Yes, our technical support team is available to assist with installation advice, troubleshooting, and system integration details. We support service centers, workshops, and vehicle fleet operators worldwide.How can I verify the authenticity of the I73329 valve?
Genuine Knorr-Bremse valves feature serialized labeling and security markings that can be validated using Knorr-Bremse’s official verification tools or by contacting us directly with the product’s serial number.Related products
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