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HomeKnorr BremseBraking System Knorr-Bremse Four Circuit Prot. Valve K011255
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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

 

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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.

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Product Overview

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What’s Included

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Wholesale Buyer Benefits

  • OEM-quality caliper for commercial brake system refurbishments
  • Available in large volumes for fleets, workshops, and distributors
  • Backed by AAA Trading Dubai’s export expertise
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Applications and Compatibility

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Warranty and Product Authenticity

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Why Choose AAA Trading Dubai

  • Direct distributor of Knorr-Bremse and commercial braking parts
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The Knorr-Bremse EBS One Channel Module 0486203023N50 is a critical component in electronically controlled braking systems (EBS) for heavy-duty commercial vehicles. Engineered for precision and rapid response, this module controls braking pressure electronically on individual wheel ends, ensuring enhanced safety, improved braking stability, and reduced stopping distances. Built with Knorr-Bremse’s leading-edge technology, this one-channel modulator is an integral part of modern trailer and truck EBS architectures.

Key Features

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What’s Included in the Kit

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  • Factory-fitted connector plug (pre-attached or included)
  • Mounting instructions or technical drawing (available upon request)
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Wholesale Buyer Benefits

  • Competitive pricing for distributors, fleets, and OEM suppliers
  • Rapid dispatch from AAA Trading’s Dubai warehouse
  • Support for bulk or containerized shipments with consolidated invoicing
  • Documentation for tenders, re-exports, and customs clearance
  • Dedicated technical support and reordering service for repeat clients

Applications and Compatibility

The 0486203023N50 EBS Module is typically installed in:
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  • Commercial fleets using advanced telematics and load-sensing brake control
  • Compatible with truck OEMs including Mercedes-Benz, Volvo, DAF, and Scania (depending on system version)
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Warranty and Product Authenticity

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  • Delivered in original packaging with factory label and barcode
  • Certification available upon request for large-scale or government tenders

Why Choose AAA Trading Dubai

  • Leading supplier of authentic European truck and trailer components
  • Warehouse and logistics center in Dubai for efficient global dispatch
  • Technical expertise in EBS, ABS, pneumatic, and braking systems
  • Professional support for workshops, resellers, and fleet operators
  • Trusted by clients across the Middle East, Africa, and South Asia
 
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Buy Wholesale Knorr-Bremse Caliper - Rationalized K004570 Online. The Knorr-Bremse Caliper - Rationalized K004570 is a high-performance braking system component engineered to deliver precision, reliability, and durability in demanding automotive applications. Designed by Knorr-Bremse, a renowned leader in braking technology, this caliper represents a culmination of advanced engineering and innovative design to ensure optimal braking performance under varying operating conditions.

Technical Specifications:

Model: K004570 Manufacturer: Knorr-Bremse Type: Caliper Application: Automotive braking systems Material: High-grade steel/aluminum alloy Piston Diameter: [Specify piston diameter in millimeters] Piston Quantity: [Specify number of pistons] Piston Material: Heat-resistant composite material Piston Seals: High-temperature resistant rubber Mounting: Direct bolt-on installation Finish: Corrosion-resistant coating Weight: [Specify weight in kilograms] Compatibility: Compatible with standard braking systems Operating Temperature Range: -40°C to 200°C (-40°F to 392°F) Pressure Rating: [Specify pressure rating in bar/psi] Certification: ISO 9001:2015 compliant Warranty: Manufacturer's warranty included

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Contact Details

  • Email Icon sales@triple-a-trading.com
  • Phone Icon +971 4 514 7192
  • WhatsApp Icon +971 50 443 1871

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Sheikh Zayed Rd Barsha Heights
Dubai, United Arab Emirates

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Q1-08-103/A, Saif Zone
Sharjah - United Arab Emirates

Turkey Office

İstanbul Trakya Serbest Bölgesi,
Ferhat Paşa SB Mah. Gonca Sokak,
Dış Kapı No:4, Kat: Zemin, İç Kapı No: Z0202, Çatalca - İstanbul - Türkiye

Disclaimer
All product names, trademarks, logos, images, and brands featured on this website are the property of their respective owners. The use of third-party product names, trademarks, logos, images, and brands does not imply any affiliation or endorsement between Triple A Trading Auto Parts Dubai and the owners of these rights. They are used solely by Triple A Trading Auto Parts Dubai to identify the respective third-party goods.

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