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AHEM’s AH3029 Foot Brake Valve – precision-engineered to match KNORR No. DX65D and exclusively adapted for IVECO OEM 504156083 – is a high-performance core component for heavy-duty braking systems in commercial vehicles and industrial equipment. Built with premium-grade materials and strict manufacturing tolerances, this valve delivers reliable, proportional braking force control, paired with advanced pressure regulation and fail-safe mechanisms to guarantee uncompromised braking safety across all operating conditions. Fully compliant with ISO, SAE and ECE international standards, and rigorously factory-tested for leakage, pressure accuracy and long-term durability, it is the trusted, cost-effective braking solution for wholesale distributors, fleet operators, commercial vehicle OEMs and aftermarket parts professionals worldwide.

As the critical control component of a vehicle’s air braking system, exact fitment and consistent performance are non-negotiable for commercial vehicle operations. Our AH3029 foot brake valve is 1:1 dimensionally matched to the original KNORR DX65D and IVECO 504156083, requiring zero modification for direct installation and seamless integration with original vehicle braking systems.
Core Specification | Detailed Parameter |
AHEM Model Number | AH3029 |
Cross Reference KNORR Part Number | DX65D |
Compatible IVECO OEM Number | 504156083 |
Primary Fitment | IVECO heavy-duty commercial vehicles, rigid trucks, city & intercity buses, semi-trailers |
Valve Body Material | High-grade aluminum alloy / cast iron (wear & corrosion resistant) |
Core Safety Features | Advanced proportional pressure regulation, built-in fail-safe mechanism |
Compliance Standards | ISO 9001, SAE J1401, ECE R90 |
Factory Testing | 100% leakage test, pressure regulation accuracy test, durability cycle test |
Customization Support | Pressure rating, port configuration, mounting dimensions, private labeling |
Our valve features an advanced pressure regulation system that delivers linear, proportional braking response aligned with pedal input, enabling smooth, accurate control of braking force across all load and road conditions. This design minimizes wheel lock-up and skidding, reducing accident risks for fleet operations, while also cutting down on premature wear to tires, brake pads and associated braking components. For distributors and service providers, this consistent performance reduces customer complaints and aftermarket warranty claims, strengthening your reputation for reliable parts supply.
Safety is the top priority for commercial vehicle and heavy equipment operations, and our DX65D brake valve is built with a redundant fail-safe mechanism as standard. In the event of a partial system pressure failure, the valve maintains effective braking output to ensure the vehicle can be brought to a controlled stop. This design fully meets global commercial vehicle safety regulations, eliminating compliance risks for fleet operators and cross-border distributors, while also reducing liability exposure for all stakeholders in the supply chain.
The valve body is manufactured from high-strength aluminum alloy or cast iron, selected for exceptional resistance to wear, corrosion, and extreme temperature fluctuations common in heavy-duty commercial vehicle operations. All internal components – including precision-machined pistons, high-tensile springs, and high-performance seals – are engineered to withstand repeated high-pressure cycles and harsh operating environments, from long-haul highway transport to off-highway construction and agricultural applications. For fleet operators, this translates to fewer part replacements and reduced maintenance downtime; for distributors, it means lower inventory turnover pressure and fewer product returns.
Every single AH3029 foot brake valve undergoes comprehensive, 100% functional testing before leaving our factory, including leakage testing, pressure regulation accuracy verification, and accelerated durability cycle testing. The product fully adheres to ISO, SAE and ECE international standards, making it suitable for global aftermarket and OEM fitment, with no additional certification required for most major markets. This strict quality control ensures batch-to-batch consistency, a critical requirement for high-volume wholesale distributors and OEM production lines.
While engineered exclusively as a direct replacement for the KNORR DX65D and IVECO 504156083 in IVECO commercial vehicles, our AH3029 foot brake valve delivers reliable performance across a wide range of heavy-duty equipment applications with matching braking system specifications.
Primary applications include:
IVECO heavy-duty long-haul trucks, distribution trucks, city and intercity buses, and semi-trailers
Heavy construction equipment including excavators, wheel loaders, and road building machinery
Agricultural equipment including large tractors, harvesters, and farm transport vehicles
Mining and off-highway industrial equipment with air braking systems
We also offer full customization of technical parameters, pressure ratings, and connection configurations to meet the unique requirements of specialized equipment applications, supporting both small-batch custom orders and high-volume OEM production runs.
Our engineering team specializes in OEM replacement brake components, with in-depth knowledge of leading global commercial vehicle and braking system brands. Our AH3029 valve is 1:1 matched to the original KNORR DX65D and IVECO 504156083, ensuring perfect fitment, identical performance to the original part, and zero installation rework for your service teams.
As a direct manufacturing facility, we eliminate unnecessary middleman costs, delivering highly competitive wholesale pricing for bulk orders. We offer flexible minimum order quantities to accommodate the needs of both small regional distributors and large national wholesale chains, with volume-based pricing tiers to help you maximize your profit margins.
We offer end-to-end ODM and OEM services, including custom technical parameter adjustment, private labeling, custom packaging, and dedicated part number creation to support your brand’s market positioning. Our in-house engineering team works directly with you to develop custom solutions for unique vehicle or equipment applications.
Our team of commercial vehicle braking system experts provides 24/7 pre-sales and after-sales technical support, including installation guidance, troubleshooting assistance, and maintenance training for your team. We stand behind the quality of every product we manufacture, with a comprehensive warranty policy and dedicated account management for our long-term partners.
The AHEM AH3029 foot brake valve is an exact OEM replacement for KNORR part number DX65D, and is fully compatible with IVECO OEM part number 504156083. It features 1:1 dimensional matching for direct, drop-in installation with no modification required.
Our DX65D foot brake valve fully complies with ISO 9001, SAE J1401, and ECE R90 international safety and quality standards for heavy-duty commercial vehicle braking systems. Every unit undergoes 100% factory testing to ensure it meets these strict standards before delivery.
Yes, we provide factory-direct wholesale pricing for bulk orders from wholesale distributors, fleet operators, and commercial vehicle parts retailers. We offer flexible volume-based pricing tiers and customizable order quantities to meet the needs of businesses of all sizes.
The AH3029 is specially engineered as a direct replacement for IVECO commercial vehicles using OEM part number 504156083, including heavy-duty trucks, buses, and semi-trailers. It is also compatible with a wide range of heavy construction equipment, agricultural machinery, and industrial equipment with matching air braking system specifications.
Yes, we offer full ODM and OEM customization services, including private labeling, custom packaging, technical parameter adjustment, and port configuration modifications to meet your specific business and application requirements. Our engineering team works directly with you to deliver tailored solutions for your brand.
Whether you are a wholesale distributor looking for a reliable long-term brake component supplier, a fleet operator seeking to reduce maintenance costs and downtime, or an OEM in need of high-quality, compliant braking components, AHEM Group is here to support your business.
Contact us today to request a free, no-obligation custom quote, sample testing, or detailed technical specifications for our AH3029 DX65D foot brake valve. Our commercial vehicle braking experts are available 24/7 to answer your questions and help you find the perfect braking solution for your needs.
AHEM’s AH3029 Foot Brake Valve – precision-engineered to match KNORR No. DX65D and exclusively adapted for IVECO OEM 504156083 – is a high-performance core component for heavy-duty braking systems in commercial vehicles and industrial equipment. Built with premium-grade materials and strict manufacturing tolerances, this valve delivers reliable, proportional braking force control, paired with advanced pressure regulation and fail-safe mechanisms to guarantee uncompromised braking safety across all operating conditions. Fully compliant with ISO, SAE and ECE international standards, and rigorously factory-tested for leakage, pressure accuracy and long-term durability, it is the trusted, cost-effective braking solution for wholesale distributors, fleet operators, commercial vehicle OEMs and aftermarket parts professionals worldwide.

As the critical control component of a vehicle’s air braking system, exact fitment and consistent performance are non-negotiable for commercial vehicle operations. Our AH3029 foot brake valve is 1:1 dimensionally matched to the original KNORR DX65D and IVECO 504156083, requiring zero modification for direct installation and seamless integration with original vehicle braking systems.
Core Specification | Detailed Parameter |
AHEM Model Number | AH3029 |
Cross Reference KNORR Part Number | DX65D |
Compatible IVECO OEM Number | 504156083 |
Primary Fitment | IVECO heavy-duty commercial vehicles, rigid trucks, city & intercity buses, semi-trailers |
Valve Body Material | High-grade aluminum alloy / cast iron (wear & corrosion resistant) |
Core Safety Features | Advanced proportional pressure regulation, built-in fail-safe mechanism |
Compliance Standards | ISO 9001, SAE J1401, ECE R90 |
Factory Testing | 100% leakage test, pressure regulation accuracy test, durability cycle test |
Customization Support | Pressure rating, port configuration, mounting dimensions, private labeling |
Our valve features an advanced pressure regulation system that delivers linear, proportional braking response aligned with pedal input, enabling smooth, accurate control of braking force across all load and road conditions. This design minimizes wheel lock-up and skidding, reducing accident risks for fleet operations, while also cutting down on premature wear to tires, brake pads and associated braking components. For distributors and service providers, this consistent performance reduces customer complaints and aftermarket warranty claims, strengthening your reputation for reliable parts supply.
Safety is the top priority for commercial vehicle and heavy equipment operations, and our DX65D brake valve is built with a redundant fail-safe mechanism as standard. In the event of a partial system pressure failure, the valve maintains effective braking output to ensure the vehicle can be brought to a controlled stop. This design fully meets global commercial vehicle safety regulations, eliminating compliance risks for fleet operators and cross-border distributors, while also reducing liability exposure for all stakeholders in the supply chain.
The valve body is manufactured from high-strength aluminum alloy or cast iron, selected for exceptional resistance to wear, corrosion, and extreme temperature fluctuations common in heavy-duty commercial vehicle operations. All internal components – including precision-machined pistons, high-tensile springs, and high-performance seals – are engineered to withstand repeated high-pressure cycles and harsh operating environments, from long-haul highway transport to off-highway construction and agricultural applications. For fleet operators, this translates to fewer part replacements and reduced maintenance downtime; for distributors, it means lower inventory turnover pressure and fewer product returns.
Every single AH3029 foot brake valve undergoes comprehensive, 100% functional testing before leaving our factory, including leakage testing, pressure regulation accuracy verification, and accelerated durability cycle testing. The product fully adheres to ISO, SAE and ECE international standards, making it suitable for global aftermarket and OEM fitment, with no additional certification required for most major markets. This strict quality control ensures batch-to-batch consistency, a critical requirement for high-volume wholesale distributors and OEM production lines.
While engineered exclusively as a direct replacement for the KNORR DX65D and IVECO 504156083 in IVECO commercial vehicles, our AH3029 foot brake valve delivers reliable performance across a wide range of heavy-duty equipment applications with matching braking system specifications.
Primary applications include:
IVECO heavy-duty long-haul trucks, distribution trucks, city and intercity buses, and semi-trailers
Heavy construction equipment including excavators, wheel loaders, and road building machinery
Agricultural equipment including large tractors, harvesters, and farm transport vehicles
Mining and off-highway industrial equipment with air braking systems
We also offer full customization of technical parameters, pressure ratings, and connection configurations to meet the unique requirements of specialized equipment applications, supporting both small-batch custom orders and high-volume OEM production runs.
Our engineering team specializes in OEM replacement brake components, with in-depth knowledge of leading global commercial vehicle and braking system brands. Our AH3029 valve is 1:1 matched to the original KNORR DX65D and IVECO 504156083, ensuring perfect fitment, identical performance to the original part, and zero installation rework for your service teams.
As a direct manufacturing facility, we eliminate unnecessary middleman costs, delivering highly competitive wholesale pricing for bulk orders. We offer flexible minimum order quantities to accommodate the needs of both small regional distributors and large national wholesale chains, with volume-based pricing tiers to help you maximize your profit margins.
We offer end-to-end ODM and OEM services, including custom technical parameter adjustment, private labeling, custom packaging, and dedicated part number creation to support your brand’s market positioning. Our in-house engineering team works directly with you to develop custom solutions for unique vehicle or equipment applications.
Our team of commercial vehicle braking system experts provides 24/7 pre-sales and after-sales technical support, including installation guidance, troubleshooting assistance, and maintenance training for your team. We stand behind the quality of every product we manufacture, with a comprehensive warranty policy and dedicated account management for our long-term partners.
The AHEM AH3029 foot brake valve is an exact OEM replacement for KNORR part number DX65D, and is fully compatible with IVECO OEM part number 504156083. It features 1:1 dimensional matching for direct, drop-in installation with no modification required.
Our DX65D foot brake valve fully complies with ISO 9001, SAE J1401, and ECE R90 international safety and quality standards for heavy-duty commercial vehicle braking systems. Every unit undergoes 100% factory testing to ensure it meets these strict standards before delivery.
Yes, we provide factory-direct wholesale pricing for bulk orders from wholesale distributors, fleet operators, and commercial vehicle parts retailers. We offer flexible volume-based pricing tiers and customizable order quantities to meet the needs of businesses of all sizes.
The AH3029 is specially engineered as a direct replacement for IVECO commercial vehicles using OEM part number 504156083, including heavy-duty trucks, buses, and semi-trailers. It is also compatible with a wide range of heavy construction equipment, agricultural machinery, and industrial equipment with matching air braking system specifications.
Yes, we offer full ODM and OEM customization services, including private labeling, custom packaging, technical parameter adjustment, and port configuration modifications to meet your specific business and application requirements. Our engineering team works directly with you to deliver tailored solutions for your brand.
Whether you are a wholesale distributor looking for a reliable long-term brake component supplier, a fleet operator seeking to reduce maintenance costs and downtime, or an OEM in need of high-quality, compliant braking components, AHEM Group is here to support your business.
Contact us today to request a free, no-obligation custom quote, sample testing, or detailed technical specifications for our AH3029 DX65D foot brake valve. Our commercial vehicle braking experts are available 24/7 to answer your questions and help you find the perfect braking solution for your needs.