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HomeKnorr BremseBraking System Knorr-Bremse Caliper – Rationalized K003809
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Knorr-Bremse Caliper – Rationalized K003809

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! We only accept wholesale orders. Minimum quantity: 5 items.

K003809, K 003 809, K.003.809

Product Overview

The Knorr-Bremse K003809 is a rationalized disc brake caliper designed for commercial vehicle air disc braking systems. Engineered with durability and maintenance efficiency in mind, this caliper features Knorr-Bremse’s advanced brake technology to ensure consistent braking performance, reliability, and extended service life. Ideal for fleet applications, the K003809 is a cost-effective replacement caliper compatible with a wide range of truck and trailer systems.

Key Features

  • Manufacturer: Knorr-Bremse
  • Part Number: K003809
  • Type: Rationalized Caliper (Air Disc Brake)
  • Durable cast housing for heavy-duty applications
  • Integrated wear indicators and pad retaining system
  • Designed for quick service and reduced downtime
  • Compatible with SB/SN/SK-type caliper mounting systems

What’s Included

  • 1 x Knorr-Bremse Caliper – K003809 (Rationalized Unit)
  • Fitted guide sleeve and hardware (model dependent)

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
  • Compatible with multiple OE and reman platforms

Applications and Compatibility

The Knorr-Bremse K003809 caliper is suitable for use in:

  • Heavy-duty trucks and trailers
  • Bus and coach applications
  • Compatible with various axle configurations (verify model)
  • Cross Reference: KNORR-BREMSE SB7, SN6, and similar caliper families

Please confirm dimensions, axle mounting, and service type before ordering.

Warranty and Product Authenticity

  • 100% Genuine Knorr-Bremse component
  • Supplied in original manufacturer packaging
  • 12-month limited warranty (terms apply)

Why Choose AAA Trading Dubai

  • Direct distributor of Knorr-Bremse and commercial braking parts
  • VIN/OE support and technical matching for fleet applications
  • Bulk-ready logistics and shipping support to all regions
  • Trusted by workshops and OEM rebuilders across MENA and Europe

 

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  • Frequently Asked Questions (FAQ)
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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)

What is the Knorr-Bremse Caliper K003809?

The Knorr-Bremse K003809 is a rationalized brake caliper assembly designed for heavy-duty commercial vehicles. It is part of the SN6/SN7 series of air disc brakes, known for their high braking efficiency, durability, and ease of maintenance in fleet applications.

Which vehicles are compatible with caliper K003809?

The K003809 caliper is typically used in:
  • Trailers equipped with Knorr-Bremse SN6 or SN7 braking systems
  • Commercial trucks and buses from manufacturers such as Mercedes-Benz, MAN, DAF, and others
  • Axles fitted with BPW, SAF, or other European trailer axle brands using SN-type calipers
Fitment must be confirmed using axle code, OEM number, or existing caliper reference.

What does "rationalized" mean in this context?

Rationalized versions like K003809 are standardized caliper variants that consolidate multiple earlier part numbers. They provide broader compatibility and reduce stock complexity without compromising performance or fitment.

What are the key features of the K003809 caliper?

  • Heavy-duty SN7 design with twin-piston actuation
  • Integrated pad retainer and adjuster mechanisms
  • Factory-tested for high-temperature performance and corrosion resistance
  • Suitable for both OEM fitment and aftermarket replacement

Is this an original Knorr-Bremse product?

Yes. The K003809 is a genuine Knorr-Bremse caliper manufactured to OE standards and is suitable for new installations or replacements in fleet maintenance applications.

What are common symptoms of a worn or faulty caliper?

  • Uneven brake pad wear or premature disc damage
  • Reduced braking efficiency or pulling during braking
  • Air or hydraulic fluid leakage
  • Caliper not retracting or sticking

Can this part be ordered in bulk?

Yes. We supply K003809 calipers in bulk to fleet operators, commercial vehicle workshops, and brake system specialists. For quantity pricing, contact sales@triple-a-trading.com.

Do you offer global shipping?

Yes. We export worldwide from Dubai with secure packing and courier/freight options. Export documentation for customs clearance is available upon request.

What warranty is offered?

The K003809 caliper comes with a 12-month warranty covering manufacturing defects when installed and used under normal operating conditions.

How can I confirm compatibility?

Please provide your axle type, old caliper part number, or VIN. Our team will verify fitment using the Knorr-Bremse OE database and axle specifications.

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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.

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What’s Included in the Kit

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Wholesale Buyer Benefits

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Warranty and Product Authenticity

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Why Choose AAA Trading Dubai

  • Reliable source of genuine European commercial vehicle components
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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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What’s Included in the Kit

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Wholesale Buyer Benefits

  • Volume discounts and B2B pricing for fleet and trade partners
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Applications and Compatibility

The Knorr-Bremse K002964 caliper is compatible with:
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Warranty and Product Authenticity

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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
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Technical Specifications:

Model: DX80E Manufacturer: Knorr-Bremse Type: Foot Brake Valve Compatibility: Heavy-duty vehicles, trucks, buses, trailers Operating Pressure: 8 bar (116 psi) Nominal Voltage: 24 V DC Weight: Approximately 1.5 kg Material: High-grade steel and durable polymers Mounting: Foot-operated, easily integrated into brake pedal assembly Certification: Compliant with industry safety standards and regulations Features: Precise modulation for proportional braking, quick response time, corrosion-resistant construction, easy maintenance and servicing.

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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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