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Knorr-Bremse Four Circuit Prot. Valve K011255
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! We only accept wholesale orders. Minimum quantity: 5 items.
K011255, K 01 12 55, K.01.12.55
Product Overview
The Knorr-Bremse Four Circuit Protection Valve K011255 is a vital component in modern air brake systems for commercial vehicles. Its primary function is to distribute and regulate compressed air across four independent circuits, ensuring that system stability and safety are maintained even in the event of pressure loss in one or more lines. Designed with precision and built to Knorr-Bremse’s exacting standards, this valve guarantees optimal system pressure control and fault tolerance in demanding operating conditions.
Key Features
- OEM Part Number: K011255
- Function: Distributes and maintains air pressure across four braking circuits
- Design: Compact aluminum alloy body with anti-corrosion treatment
- Inlet and Outlet Ports: Standard air brake port configurations
- Features: Integrated pressure protection, unloading valve, and circuit priority logic
- Application: Suitable for EBS and conventional air brake systems
- Certifications: Compliant with ISO/TS 16949 and ECE R13 standards
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Four Circuit Protection Valve (Part No. K011255)
- Protective caps or plugs on ports (as applicable)
- Mounting instructions or technical documentation (available upon request)
- Manufacturer identification label with QR/barcode
Wholesale Buyer Benefits
- Bulk order discounts and price tiering for fleet buyers and resellers
- Ready stock available at AAA Trading’s Dubai facility
- Assistance with custom documentation for export markets
- Consolidation of multi-brand parts for reduced shipping costs
- Dedicated B2B support and reorder facilitation
Applications and Compatibility
The K011255 Four Circuit Protection Valve is designed for use in:
- Heavy-duty trucks and buses equipped with pneumatic brake systems
- Trailers and semi-trailers with air brake and auxiliary systems
- Vehicles requiring separate management of service, emergency, auxiliary, and parking brake circuits
- Compatible with air brake systems from MAN, Scania, Mercedes-Benz, Volvo, Renault, Iveco, and others
Please verify specific fitment through OEM catalogs or by consulting AAA Trading’s technical team.
Warranty and Product Authenticity
- 12-month limited manufacturer’s warranty
- 100% authentic Knorr-Bremse product with traceable lot number
- Delivered in original sealed packaging with factory markings
- Backed by AAA Trading’s product authenticity assurance policy
Why Choose AAA Trading Dubai
- Authorized distributor of European commercial vehicle parts
- Headquartered in Dubai with regional and global shipping capabilities
- Expertise in brake system components and application matching
- Competitive pricing, rapid turnaround, and professional customer service
- Trusted by service centers, fleets, and parts resellers across the Middle East, Africa, and 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 K011255 used for?
The Knorr-Bremse K011255 four-circuit protection valve is designed to distribute and protect compressed air in commercial vehicle brake systems. It ensures that failure in one circuit does not affect the performance of the others, maintaining safe operation of essential vehicle systems.Which vehicles is the K011255 valve compatible with?
This valve is commonly used in European trucks and buses, including models from MAN, Volvo, Mercedes-Benz, and IVECO. Always verify compatibility using the OE number or consult our technical team with vehicle details.Is K011255 an original Knorr-Bremse component?
Yes, this is a 100% original Knorr-Bremse product. We supply parts directly from certified distribution networks, ensuring authenticity and warranty protection.Can I order the K011255 valve in bulk at wholesale pricing?
Yes, bulk ordering options with discounted wholesale pricing are available. Please email us at sales@triple-a-trading.com with your quantity and delivery location for a custom quote.Are there any OE or cross-reference numbers for this part?
Primary reference: K011255. Other equivalent numbers may be available depending on vehicle manufacturer or brake system design. Contact us for assistance in cross-referencing with your current part number.Do you provide global shipping for this valve?
Yes, we offer worldwide shipping from our warehouse in Dubai. We partner with reputable freight carriers to ensure fast and secure delivery, along with full export documentation support.What is the average lead time for delivery of bulk orders?
Standard lead time is 2–5 business days depending on order volume and destination. Expedited options are available for urgent shipments.Is there a warranty on the Knorr-Bremse K011255 valve?
Yes, we provide a 12-month warranty against manufacturing defects. Warranty applies only if the valve is installed correctly and used under normal operating conditions.Do you offer technical support or installation assistance?
Yes, our technical team can assist with installation guidance, torque settings, and circuit setup verification to ensure the part integrates correctly into your braking system.How do I verify the authenticity of the K011255 protection valve?
All genuine Knorr-Bremse parts come with a unique serial number and/or QR code for verification via the manufacturer’s platform. We can also provide documentation to confirm origin upon request.Related products
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I73329, I 73 32 9, I.73.32.9
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Wholesale Buyer Benefits
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- 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
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Why Choose AAA Trading Dubai
- Reliable source of genuine European commercial vehicle components
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K046771K50, K 046 771 K50, K.046.771.K50
Product Overview
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Wholesale Buyer Benefits
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II37278, I I3 72 78, I.I3.72.78
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Wholesale Buyer Benefits
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- Access to Knorr-Bremse product catalog and cross-reference data
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Warranty and Product Authenticity
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- Supplied in original packaging with traceable batch code
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Why Choose AAA Trading Dubai
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K002964, K 00 29 64, K.00.29.64
Product Overview
The Knorr-Bremse Caliper K002964 is a rationalized, factory-assembled brake caliper unit designed for high-performance air disc brake systems on commercial vehicles. It belongs to Knorr-Bremse’s industry-leading SN/SM brake family and is engineered for maximum reliability, safety, and ease of maintenance. This caliper is ideal for vehicle applications requiring consistent braking force, extended service intervals, and compliance with stringent safety standards.Key Features
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- Country of Origin: Germany
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- Technical leaflet or installation torque specifications (available on request)
Wholesale Buyer Benefits
- Volume discounts and B2B pricing for fleet and trade partners
- Direct availability from AAA Trading’s Dubai warehouse
- Support for container orders and consolidated shipping
- Product sourcing for mixed OEM part requirements
- Dedicated team for quotation, logistics, and documentation support
Applications and Compatibility
The Knorr-Bremse K002964 caliper is compatible with:- Heavy-duty trucks and buses equipped with SN7 or SM7 air disc brake systems
- Axle platforms from OEMs including Mercedes-Benz, MAN, Volvo, DAF, Scania, and Iveco
- Aftermarket or OE service replacement for Knorr-Bremse disc brake systems
- Suitable for steer or drive axle configurations depending on vehicle design
Warranty and Product Authenticity
- 12-month limited warranty from the date of purchase
- Genuine Knorr-Bremse product with serialized factory ID
- Sealed packaging with tamper-evident labels
- Traceable batch/lot numbers for quality assurance
Why Choose AAA Trading Dubai
- Trusted distributor of genuine European commercial vehicle components
- Based in Dubai with strategic access to Middle East, Africa, and Asia
- Strong specialization in Knorr-Bremse braking systems and accessories
- Full range of support: quoting, shipping, and technical assistance
- Serving fleet managers, garages, wholesalers, and government contracts
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