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HomeKnorr BremseBraking System Knorr-Bremse Spring Brake (Disc) K004074
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Knorr-Bremse Spring Brake (Disc) K004074

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

K004074, K 00 40 74, K.00.40.74

AAA Trading Dubai, your reliable auto parts wholesaler, offers the genuine Knorr-Bremse Spring Brake K004074 for disc brake systems. Designed for high-performance braking and parking applications, this spring brake actuator ensures enhanced vehicle safety, efficiency, and longevity under heavy-duty operations.

Product Overview

The Knorr-Bremse K004074 is a double diaphragm spring brake chamber used in air disc braking systems for trucks, trailers, and buses. It provides both service braking and emergency/parking brake functionality through a robust and compact design engineered to OEM standards.

Key Features

  • Original Knorr-Bremse quality – K004074 part number
  • Integrated spring and service brake functionality
  • Durable corrosion-resistant housing
  • Optimized for air disc brake systems
  • Robust diaphragm and sealing design for long life
  • Secure fit with standard mounting compatibility

Technical Specifications

  • Part Number: K004074
  • Brand: Knorr-Bremse
  • Brake Type: Spring Brake (Disc)
  • Chamber Size: Standard – Refer to vehicle spec sheet
  • Application: Heavy-duty commercial vehicles
  • Warranty: 12 months manufacturer warranty

Applications & Compatibility

The K004074 spring brake is widely compatible with European trucks and trailers fitted with air disc brakes. Commonly used on fleets operating Mercedes-Benz, MAN, Volvo, DAF, Scania, and other major OEM platforms.

Why Choose AAA Trading Dubai?

  • We supply only 100% genuine Knorr-Bremse parts
  • Available in bulk for export and fleet supply
  • Technical expertise and fitment guidance
  • Competitive wholesale pricing with global logistics
  • Export-ready documentation and secure packaging

Contact Us for Wholesale Inquiries

Reach out to AAA Trading Dubai – Auto Parts Wholesalers for bulk orders, export pricing, or technical consultation.

Phone: +971 50 443 1871

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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 – Knorr-Bremse Spring Brake (Disc) K004074

What is the Knorr-Bremse Spring Brake K004074 used for?

This is a spring brake actuator designed for air disc brake systems in commercial vehicles. It provides both service brake and parking brake functions using a dual-chamber configuration.

Is the K004074 compatible with multiple truck brands?

Yes. The K004074 is commonly used on heavy-duty vehicles including trailers, buses, and trucks from brands like Volvo, Scania, MAN, Mercedes-Benz, and DAF that use Knorr-Bremse air disc brake systems.

Do you offer this product for bulk purchase?

Yes. At AAA Trading Dubai – Auto Parts Wholesalers, we supply the K004074 Spring Brake in bulk for distributors, fleet operators, and export customers.

What are the advantages of using an OEM Knorr-Bremse Spring Brake?

  • Original equipment quality and reliability
  • Extended product life under high-stress conditions
  • Precise fitment and easy integration into existing systems
  • Factory-sealed with manufacturer’s warranty

What’s included with the spring brake unit?

The product is supplied as a complete brake actuator, sealed and ready for installation. No additional accessories are included unless specified in the order agreement.

Can you provide export documentation and shipping?

Yes. We offer international shipping with full export documentation including:
  • Commercial invoice
  • HS Code details
  • Certificate of origin (on request)
  • OEM compliance confirmation

How do I confirm this part fits my vehicle?

You can consult your fleet technical manual or contact our support team with your vehicle VIN or OE cross-reference numbers. We assist in part validation for bulk orders.

Is there warranty coverage on this part?

Yes, all K004074 units come with a 12-month manufacturer warranty against manufacturing defects when supplied by AAA Trading Dubai.

How do I place a wholesale order?

You can contact us directly for price quotes, stock availability, and shipping schedules. Phone: +971 50 443 1871 Company: AAA Trading Dubai – Auto Parts Wholesalers

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The Knorr-Bremse Spring Brake Chamber II37278 is a robust, dual-diaphragm actuator designed for S-Cam air braking systems in heavy-duty trucks and trailers. This component combines service and emergency braking functions, using spring force to apply parking brakes and air pressure to release them. Manufactured to original equipment standards, it ensures safety, reliability, and compliance with international brake regulations.

Key Features

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What’s Included in the Kit

  • 1 x Knorr-Bremse Spring Brake Chamber (Part No. II37278)
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Wholesale Buyer Benefits

  • Bulk pricing and stock availability at AAA Trading’s Dubai facility
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Why Choose AAA Trading Dubai

  • Trusted supplier of genuine Knorr-Bremse parts in the Middle East and Africa
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  • Based in Dubai for strategic export and regional distribution
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Technical Specifications:

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The Knorr-Bremse K138267N50 is a high-efficiency EAC (Electronic Air Control) Air Processing Unit designed to manage compressed air supply in commercial vehicle braking systems. Integrated with electronic control, filtration, and regeneration features, this APU ensures optimum air quality, system pressure management, and safety across various heavy-duty applications. Built to original equipment standards, it guarantees reliability and long service life in demanding fleet operations.

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What’s Included in the Kit

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Wholesale Buyer Benefits

  • Direct OE replacement for European commercial vehicles
  • Trusted by fleet service networks and logistics operators
  • Export stock available from AAA Trading Dubai
  • Bulk order support for workshops and vehicle rebuilders
  • Technical lookup assistance via OE part number

Applications and Compatibility

  • Used in trucks, buses, and heavy-duty vehicles from leading OEMs (MAN, DAF, Mercedes-Benz, Volvo, etc.)
  • Suitable for Euro 4, Euro 5, and Euro 6 braking systems
  • Replaces older APUs with electronic control integration
  • OE Cross References: Confirm with VIN or vehicle build sheet

Warranty and Product Authenticity

  • 100% Genuine Knorr-Bremse product
  • 12-month warranty against manufacturing defects
  • Manufactured to ISO/TS 16949 standards
  • Barcode-labeled for traceability and authenticity

Why Choose AAA Trading Dubai

  • Authorized exporter of Knorr-Bremse air brake components
  • Fast, reliable global shipping from our Dubai warehouse
  • Dedicated support for fleet managers, mechanics, and resellers
  • VIN/OE matching to ensure correct fitment
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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

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

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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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