

| No. | Part No. | Name |
|---|---|---|
| 1 | WG9000361404 | Auxiliary Air Module NG12/6-NG8 |
| 2 | WG9000361011 | Plug NG8-M16×1.5 |
| 3 | WG9000361004 | Elastic Element NG8 |
| 4 | WG9000361005 | Circlip NG8 |
| 5 | WG9000361006 | Nut Base NG8 |
The Auxiliary Air Module NG12/6-NG8 is the central distribution block of the Auxiliary Gas Distribution Module, featuring one NG12 inlet and six NG8 outlets. It routes compressed air to various auxiliary circuits, including the ECAS suspension, clutch servo, and trailer brake controls. Its aluminium construction with an anodised finish ensures corrosion resistance and precise flow control.
The Plug NG8-M16×1.5 is a threaded sealing cap used to close unused NG8 ports on the auxiliary module. It is made from zinc‑plated steel with an integral O‑ring, providing a leak‑tight seal and preventing contamination ingress. This plug is essential for maintaining the integrity of the Auxiliary Gas Distribution Module when ports are not in use.
The Elastic Element NG8 is a rubber isolator that damps vibration and compensates for thermal expansion in the NG8 connections. It protects the Auxiliary Gas Distribution Module from mechanical stress and ensures that the fittings remain secure and leak‑free over the vehicle’s lifetime.
The Circlip NG8 is a retaining ring that secures the elastic element and other internal components within the NG8 bore. It ensures that all parts of the Auxiliary Gas Distribution Module remain correctly assembled under pressure and vibration, preventing loosening or dislodgement.
The Nut Base NG8 is a threaded insert that provides a durable mounting point for pneumatic fittings on the Auxiliary Gas Distribution Module. Made from corrosion‑resistant steel, it offers a reliable, leak‑free connection for the auxiliary air lines, ensuring consistent pressure delivery to downstream components.
Our Auxiliary Gas Distribution Module is manufactured to Sinotruk’s original specifications, ensuring exact fitment and reliable pneumatic performance. The module’s internal passages are optimised for minimal pressure drop, delivering consistent air supply to all auxiliary systems.
The combination of sealing plugs, elastic elements, and nut bases ensures a completely leak‑free system. The Auxiliary Gas Distribution Module maintains stable air pressure, preventing performance issues in suspension and braking circuits.
We supply the distribution block, three plugs, three elastic elements, three circlips, and three nut bases – everything needed for a full installation or overhaul of the Auxiliary Gas Distribution Module. No additional sourcing is required.
All metal components are zinc‑plated or anodised, and the rubber elements are oil‑resistant. The Auxiliary Gas Distribution Module is built to withstand the harsh under‑chassis environment, ensuring long‑term durability.
The Auxiliary Gas Distribution Module is a critical component of the Sitrak C7H pneumatic system, responsible for distributing compressed air to the vehicle’s auxiliary circuits. It receives air from the main supply and directs it to the suspension, clutch, trailer brakes, and other systems, ensuring that each receives the correct pressure and flow.
The main distribution block (NG12/6-NG8) has one inlet port and six outlet ports, allowing it to serve multiple circuits simultaneously. Its internal design incorporates flow restrictors to prevent sudden pressure drops when multiple circuits are activated, a common issue in older, simpler manifolds.
The sealing plugs are essential for blocking unused ports, preventing air leakage and protecting the module from dust and moisture. Each plug is supplied with a pre‑fitted O‑ring that ensures a gas‑tight seal, even under high vibration.
The elastic elements act as vibration isolators, decoupling the rigid module from the chassis and preventing stress fractures in the mounting bolts. They also compensate for thermal expansion, maintaining a consistent clamping force over a wide temperature range.
The circlips securely retain the elastic elements and nut bases, ensuring that they remain in the correct position even under extreme pressure spikes. Their spring‑steel construction provides long‑lasting retention force.
The nut bases provide a robust threaded interface for the pneumatic fittings, eliminating the need for direct threading into the aluminium block, which can wear over time. They are made from high‑strength steel and are replaceable, extending the service life of the Auxiliary Gas Distribution Module.
Over time, the original module can suffer from corrosion, worn seals, or damaged threads. Replacing the entire Auxiliary Gas Distribution Module with our genuine kit restores the pneumatic system to like‑new condition, eliminating persistent air leaks and erratic system behaviour.
Installation is straightforward: remove the old module, clean the mounting surface, and install the new block with the provided elastic elements and circlips. The plug and nut bases are simply threaded into the appropriate ports. A thread sealant is recommended for the plugs to ensure a leak‑proof joint.
For fleet operators, standardising on this genuine Auxiliary Gas Distribution Module simplifies maintenance and ensures consistent pneumatic performance across all vehicles. The robust construction reduces downtime and the need for frequent repairs.
The module is compatible with all C7H variants, including those with ECAS suspension and EBS3 braking. It is also used on some T5G models, making it a versatile spare part.
Regular inspection of the Auxiliary Gas Distribution Module is recommended, especially for signs of corrosion, cracked elastic elements, or loose fittings. Replacing worn components with our genuine parts ensures continued reliable operation.
We back our Auxiliary Gas Distribution Module with a 12‑month warranty against manufacturing defects. Our technical support team is available to assist with any installation or compatibility questions.
We ship worldwide with tracking. Expedited shipping is available. Use the Send Email or Get Quotation buttons to request a customised quote for your fleet.
Choosing a genuine Auxiliary Gas Distribution Module ensures that your C7H maintains its original pneumatic performance and reliability. Aftermarket units may not have the same internal flow characteristics or material quality, leading to pressure imbalances or premature failure.
The elastic elements are made from oil‑resistant rubber that maintains flexibility over a wide temperature range, ensuring that the Auxiliary Gas Distribution Module performs reliably in both Arctic and desert conditions.
The nut bases are designed to accept standard NG8 fittings, making it easy to connect existing air lines without adapters. This simplifies the replacement process and reduces the risk of introducing new leak points.
We are committed to providing the highest quality components and exceptional customer service. Choose our Auxiliary Gas Distribution Module for peace of mind.
Don’t compromise on pneumatic reliability. Replace your aging module with our genuine kit and enjoy the confidence that comes with a fully tested, factory‑fresh Auxiliary Gas Distribution Module.
We maintain a large stock to ensure fast dispatch, even for bulk orders. Contact our sales team for volume pricing and customised logistics solutions.
Thank you for considering our Auxiliary Gas Distribution Module for your Sitrak C7H. We are confident that our genuine OEM product will deliver the reliability and performance you expect from Sinotruk.
The Auxiliary Gas Distribution Module is a vital component for the proper functioning of your truck’s auxiliary systems. Investing in genuine parts ensures that your vehicle operates safely and efficiently.
We provide a comprehensive installation guide with torque specifications and routing diagrams. The kit is designed for easy replacement, with all components clearly labelled for identification.
We are committed to helping you maintain your C7H in peak condition. Our technical helpline is staffed by engineers with deep knowledge of the pneumatic systems.
With proper installation and regular maintenance, this Auxiliary Gas Distribution Module will provide years of dependable service, keeping your auxiliary systems properly supplied with air.
Upgrade your C7H with the genuine Auxiliary Gas Distribution Module – the smart choice for reliability, safety, and long‑term value.
We are proud to be a trusted supplier of OEM Sinotruk parts. Contact us today to order your Auxiliary Gas Distribution Module and experience the quality that only genuine components can deliver.
Don’t wait until a pneumatic leak compromises your suspension or braking performance. Replace your aging module with our genuine kit and enjoy the peace of mind that comes with a fully tested, factory‑fresh system.
We are here to support your fleet’s needs with fast shipping and competitive pricing. Use the buttons above to request a quote or place your order.
The Auxiliary Gas Distribution Module is an essential part of your truck’s pneumatic infrastructure. Choose genuine Sinotruk parts for the best results.
We are confident that our genuine Auxiliary Gas Distribution Module will exceed your expectations. Order today and keep your C7H operating reliably.
We are proud to offer this high‑quality Auxiliary Gas Distribution Module kit, which includes every component needed for a complete replacement. It is the most reliable solution available for the Sitrak C7H.
Our Auxiliary Gas Distribution Module is built to meet the highest standards of quality and durability. You can trust it to perform when you need it most.
We look forward to serving your Sitrak C7H needs. Thank you for choosing our genuine parts for your vehicle.
We are committed to providing the best service and quality. Trust our Auxiliary Gas Distribution Module to deliver the performance you expect.
Order now and ensure your truck is equipped with the best pneumatic distribution system available. We are here to support you every step of the way.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.