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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
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
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 WholesalersRelated products
Knorr-Bremse Caliper – Rationalized K002964
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
- OEM Part Number: K002964
- Type: Rationalized Left-Hand Side Air Disc Brake Caliper
- Application: Axle-mount (steer or drive axle, depending on configuration)
- Caliper Family: SN7 / SM7 platform (optimized housing and performance)
- Material: Heavy-duty cast iron with corrosion-resistant coating
- Includes pre-installed tappets, guides, and protective boots
- Brake pad interface: Compatible with standard Knorr-Bremse pad sets
- Service-Friendly: Designed for quick replacement and low maintenance
- Certifications: ECE R90, ISO/TS 16949 compliant
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Caliper Assembly (Part No. K002964)
- Integrated guide pins, boots, and tappet system
- Protective transport packaging with secure mount points
- Manufacturer barcode and QR traceability label
- 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
Knorr-Bremse EBS One Channel Module 0486203023N50
0486203023N50, 0 486 203 023 N50, 0.486.203.023.N50
Product Overview
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
- OEM Part Number: 0486203023N50
- Function: Electronic modulation of brake pressure on a single axle or wheel
- Technology: Digital signal interface with integrated diagnostics
- Design: Compact, vibration-resistant aluminum housing with factory-sealed electronics
- Voltage: 24V DC system compatibility
- Communication: Compatible with ISO CAN protocols for vehicle networks
- Integrated Safety: Fail-safe design with fallback modes
- Approvals: Compliant with ISO 26262, ECE R13, and automotive EMC standards
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse EBS One Channel Module (Part No. 0486203023N50)
- Factory-fitted connector plug (pre-attached or included)
- Mounting instructions or technical drawing (available upon request)
- OEM packaging with barcode and part identification
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:- Heavy-duty trailers with electronically controlled braking systems (EBS)
- Semi-trailers and tankers equipped with Knorr-Bremse EBS Gen 2/Gen 3
- 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)
Warranty and Product Authenticity
- 12-month limited manufacturer warranty
- 100% genuine Knorr-Bremse component, batch-traceable
- 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
Knorr-Bremse Four Circuit Prot. Valve I73329
I73329, I 73 32 9, I.73.32.9
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.Key Features
- OEM Part Number: I73329
- Function: Distributes and protects compressed air circuits (typically four)
- Design: Modular construction for ease of maintenance and replacement
- Material: High-grade aluminum housing with corrosion-resistant finish
- Operating Pressure: Nominal 10 bar system compatibility
- Factory-set pressure thresholds for circuit isolation
- Compact, lightweight design suitable for modern vehicle layouts
- Compliance: Meets ECE R13 and ISO 7638 standards
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Four Circuit Protection Valve (Part No. I73329)
- OEM product packaging with barcode and batch number
- Technical data sheet or installation guide (available on request)
Wholesale Buyer Benefits
- Wholesale pricing and support for fleet operators and resellers
- 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
Applications and Compatibility
The I73329 Four Circuit Protection Valve is designed for use in:- Heavy-duty trucks, trailers, and buses equipped with air brake systems
- Commercial vehicles from OEMs such as MAN, Volvo, DAF, Mercedes-Benz, Scania, and Renault
- Applications where protection of four separate air brake circuits is required
- Suitable for OEM installation or aftermarket system maintenance
Warranty and Product Authenticity
- 12-month limited manufacturer warranty
- 100% genuine Knorr-Bremse component
- Supplied in factory-sealed packaging with serial tracking
- Fully compliant with OE safety and quality standards
Why Choose AAA Trading Dubai
- Reliable source of genuine European commercial vehicle components
- Strategically located in Dubai for regional and global distribution
- Specialized in Knorr-Bremse air, brake, and pneumatic systems
- Expert support team available for technical queries and sourcing
- Serving clients in the Middle East, Africa, and South Asia
Knorr-Bremse Caliper – Rationalized K003803
K003803, K 003 803, K.003.803
Buy Wholesale Knorr-Bremse Caliper - Rationalized K003803 Online. The Knorr-Bremse Caliper - Rationalized K003803 is a high-performance braking system component designed for precision and reliability in heavy-duty applications. Engineered by Knorr-Bremse, a leading global supplier of braking systems and technologies, this caliper exemplifies cutting-edge design and advanced manufacturing techniques. The Rationalized K003803 is meticulously crafted to meet the demanding requirements of commercial vehicles, ensuring optimal braking performance, enhanced safety, and extended service life.Technical Specifications:
Manufacturer: Knorr-Bremse Model: Rationalized K003803 Application: Heavy-duty commercial vehicles Material: High-strength steel/aluminum alloy Piston Configuration: Single piston or dual piston (depending on variant) Piston Diameter: Variable (depending on vehicle specifications) Brake Pad Compatibility: OEM and aftermarket options available Mounting: Direct bolt-on replacement for existing calipers Finish: Corrosion-resistant coating for durability in harsh environments Certification: Conforms to industry standards for safety and performance Warranty: Manufacturer's warranty includedPart Number:
Description: Caliper - Rationalized Part Number 1: K003803 Part Number 2: SN7203RC
Knorr-Bremse EAC Air Processing Unit K138267N50
K138267N50, K 138 267 N50, K.138.267.N50
Product Overview
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.Key Features
- Brand: Knorr-Bremse
- Part Number: K138267N50
- Function: Electronic Air Processing Unit with integrated air dryer
- Electronic control of air regeneration cycles
- Integrated four-circuit protection
- Supports optimized compressor duty cycles and fuel efficiency
- Robust construction for vibration and pressure resistance
- OE-grade connections for air lines and harness
What’s Included in the Kit
- 1 x Knorr-Bremse EAC APU – K138267N50
- Pre-installed cartridges and valves (as supplied)
- Genuine Knorr-Bremse packaging and traceable label
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
Knorr-Bremse EBS Two Channel Module 0486204025N50
0486204025N50, 0 486 204 025 N50, 0.486.204.025.N50
Buy Wholesale Knorr-Bremse EBS Two Channel Module 0486204025N50 Online. The Knorr-Bremse EBS Two Channel Module 0486204025N50 is a vital component within the Knorr-Bremse Electronic Braking System (EBS), designed to ensure optimal control and safety in commercial vehicles.Technical Specifications:
Model Number: 0486204025N50 System Type: Electronic Braking System (EBS) Channel Configuration: Two-channel Manufacturer: Knorr-Bremse, a leading provider of braking systems for rail and commercial vehicles Part Number: 0486204025N50 Application: Primarily designed for use in heavy-duty trucks, buses, and trailers Features: Precise control of braking pressure for each wheel independently Enhanced vehicle stability and control, especially during emergency maneuvers Compatibility with various vehicle configurations and braking setups Robust construction for reliable performance in demanding operating conditions Seamless integration with other components of the Knorr-Bremse EBS ecosystem Dimensions: Specific dimensions depend on the vehicle's installation requirements Certifications: Compliant with relevant industry standards and regulations for braking systems in commercial vehiclesPart Number:
Description: EBS Two Channel Module Part Number: 0486204025N50
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
Knorr-Bremse EBS One Channel Module K021940V01N00
K021940V01N00, K 021 940 V01 N00, K.021.940.V01.N00
Buy Wholesale Knorr-Bremse EBS One Channel Module K021940V01N00 Online. The Knorr-Bremse EBS One Channel Module K021940V01N00 is a cutting-edge electronic braking system component designed for commercial vehicles, ensuring optimal safety and performance on the road. Engineered by Knorr-Bremse, a leader in braking systems innovation, this module exemplifies reliability, efficiency, and advanced technology.Technical Specifications:
Model: K021940V01N00 Manufacturer: Knorr-Bremse Application: Electronic Braking System (EBS) for commercial vehicles Channel: One channel Compatibility: Compatible with various vehicle makes and models Functionality: Controls braking pressure electronically, enhancing vehicle stability and safety Certification: Compliant with industry safety standards and regulations Dimensions: Compact design for easy integration into vehicle systems Operating Voltage: Suitable for standard vehicle electrical systems Temperature Range: Designed to operate reliably within a wide temperature range Durability: Built to withstand harsh environmental conditions and heavy-duty use Installation: Simple and straightforward installation process, compatible with existing EBS setups Maintenance: Low maintenance requirements, ensuring cost-effectiveness over the product lifecycle Warranty: Backed by Knorr-Bremse's warranty and customer support for peace of mindPart Number:
Description: EBS One Channel Module Part Number 1: K021940V01N00 Part Number 2: ES2070
Knorr-Bremse Hand Brake Valve K038808N50
K038808N50, K 038 808 N50, K.038.808.N50
Product Overview
The Knorr-Bremse Hand Brake Valve K038808N50 is a high-performance mechanical control valve used in commercial vehicles for parking and emergency braking functions. This lever-operated valve provides reliable, manual control over spring brake actuators, ensuring safety during parking and stationary conditions. Developed to meet OEM specifications, it is designed for durability and precision in demanding fleet environments.Key Features
- OEM Part Number: K038808N50
- Function: Hand-operated control valve for spring brake systems
- Single-circuit manual valve with secure locking positions
- Compact design with robust metal lever
- High-quality internal sealing for minimal air leakage
- Operating pressure: Up to 10 bar
- Mounting orientation: Dash or panel mount
- Color-coded ports for easy installation
- Country of Origin: Germany
What’s Included in the Kit
- 1 x Knorr-Bremse Hand Brake Valve K038808N50
- Factory-sealed packaging with OEM label and part number
- Mounting hardware and installation instructions (where applicable)
Wholesale Buyer Benefits
- Bulk purchase pricing available for fleets and resellers
- Stock available from AAA Trading Dubai warehouse
- Fast delivery across MENA and export regions
- Dedicated support for application matching and technical inquiries
- Genuine OE replacement parts for workshop confidence
Applications and Compatibility
The K038808N50 Hand Brake Valve is suitable for:- Heavy-duty trucks, trailers, and buses equipped with air brake systems
- Vehicles fitted with Knorr-Bremse spring brake actuators
- Compatible with leading OEMs such as MAN, DAF, Mercedes-Benz, Volvo, Scania, Renault, and Iveco
- Retrofit or replacement of older Knorr-Bremse hand brake valves (verify interface)
Warranty and Product Authenticity
- 12-month manufacturer warranty
- Guaranteed genuine Knorr-Bremse product
- Supplied in original OEM packaging with traceable part number
- Conforms to EU safety and manufacturing standards
Why Choose AAA Trading Dubai
- Reliable source for authentic Knorr-Bremse brake components
- Well-stocked inventory for immediate availability
- Expert guidance for part identification and installation
- Strategically located in Dubai for regional and global logistics
- Trusted by workshops, fleets, and parts resellers worldwide
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