Knorr-Bremse Spring Brake (Disc) K004074
K004074, K 00 40 74, K.00.40.74
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
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 – 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 WholesalersRelated products
Knorr-Bremse Brake Pad Kit K046771K50
K046771K50, K 046 771 K50, K.046.771.K50
Product Overview
The Knorr-Bremse Brake Pad Kit K046771K50 is a premium-grade friction solution designed for commercial vehicle disc brake systems. Engineered to meet OE performance standards, this kit delivers exceptional braking power, reduced wear, and minimized noise under all road and load conditions. Ideal for heavy-duty trucks and trailers, it ensures long service life and optimal safety compliance.Key Features
- OEM Part Number: K046771K50
- Application: Disc brake pad kit for Knorr-Bremse calipers
- High-friction material compound for superior braking performance
- Low-noise and low-dust formulation
- Chamfered edges and slots to reduce vibration and thermal cracks
- Back plates with anti-corrosion coating
- Integrated wear sensors (where applicable)
- ECE R90 approved and tested under extreme conditions
- Country of Origin: Germany
What’s Included in the Kit
- 4 x Brake Pads (2 sets for one axle)
- Wear indicator sensors (if applicable)
- Fitting accessories (springs, bolts, or guides depending on version)
- OEM packaging with part number and traceable batch code
Wholesale Buyer Benefits
- Attractive pricing for fleet operators and parts distributors
- Ready stock at AAA Trading Dubai for fast dispatch
- Technical assistance for cross-referencing and application matching
- Support for export documentation and bulk orders
- Flexible packaging and private labeling options available
Applications and Compatibility
The K046771K50 Brake Pad Kit is compatible with:- Knorr-Bremse calipers (e.g. SN7, SK7, and similar types)
- Commercial trucks, trailers, and buses from OEMs including Volvo, DAF, Scania, MAN, Renault Trucks, and Mercedes-Benz
- Axles fitted with Knorr-Bremse air disc brake systems
- Suitable for OE replacement and aftermarket servicing
Warranty and Product Authenticity
- 12-month limited manufacturer warranty
- 100% original Knorr-Bremse product
- Sealed OEM packaging with part and batch number verification
- Manufactured to ISO 9001 and ECE R90 certification standards
Why Choose AAA Trading Dubai
- Authorized distributor of Knorr-Bremse brake components
- Large inventory of pads, discs, calipers, and kits
- Strategic Dubai-based warehouse for rapid MENA and global delivery
- Expert customer support for technical queries and part matching
- Trusted supplier to fleets, workshops, and wholesalers
Knorr-Bremse Spring Brake (S-Cam) II37278
II37278, I I3 72 78, I.I3.72.78
Product Overview
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
- OEM Part Number: II37278
- Function: Spring brake chamber for S-Cam braking systems
- Dual-chamber design: Service and parking/emergency brake in one unit
- High-tensile steel construction with corrosion-resistant coating
- Clamp-band type for easy maintenance and diaphragm replacement
- Stroke length: Typically 2.5" (verify exact application)
- Mounting interface compatible with standard push-rod lengths
- Air inlet ports per ISO 7638 standards
- Tested to meet ECE R13 and SAE J1469 safety requirements
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Spring Brake Chamber (Part No. II37278)
- Factory-sealed OEM packaging with part number label
- Pre-assembled push-rod and return spring (as applicable)
- Safety instructions and technical data sheet available on request
Wholesale Buyer Benefits
- Bulk pricing and stock availability at AAA Trading’s Dubai facility
- Support for fleet maintenance contracts and resellers
- Expert advice on brake system compatibility and installation
- Efficient handling of LCL and FCL shipments worldwide
- Access to Knorr-Bremse product catalog and cross-reference data
Applications and Compatibility
The II37278 Spring Brake is suitable for:- Heavy-duty trucks and trailers using S-Cam drum brake systems
- Vehicles from OEMs such as DAF, MAN, Volvo, Mercedes-Benz, Renault, and Scania
- Standard axle configurations on semi-trailers, tippers, and rigid trucks
- Aftermarket replacements or OEM-specified installations
Warranty and Product Authenticity
- 12-month limited manufacturer's warranty
- 100% genuine Knorr-Bremse component
- Supplied in original packaging with traceable batch code
- Conforms to OE quality and international safety standards
Why Choose AAA Trading Dubai
- Trusted supplier of genuine Knorr-Bremse parts in the Middle East and Africa
- Extensive inventory of braking, pneumatic, and suspension components
- Based in Dubai for strategic export and regional distribution
- Responsive customer support for technical and procurement needs
- Serving workshops, fleets, and trade partners with professionalism and speed
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