Braking System

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

For precise vehicle compatibility, refer to your service manual or contact AAA Trading for cross-reference support.

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