

OEM AZ7121345041
Discover the robust strength of the AZ7121345041 Camshaft Bracket (Right), a critical brake system component engineered for SINOTRUK Howo trucks. This genuine part is an integral part of our premium Sinotruk howo parts portfolio, manufactured from high‑strength nodular cast iron to provide a rigid mounting point for the brake camshaft on the right side. The AZ7121345041 bracket ensures precise alignment, reliable brake actuation, and long‑term durability under the most demanding braking conditions.
| Parameter | Specification |
|---|---|
| OEM Number | AZ7121345041 |
| Product Name | Camshaft Bracket (Right) |
| Brand / Series | SINOTRUK Howo genuine |
| Material | Nodular cast iron QT450‑10 |
| Tensile Strength | ≥ 450 MPa |
| Bore Diameter | 38 mm (camshaft journal) |
| Mounting Hole Centers | 160 mm |
| Weight | 3.2 kg |
| Surface Finish | Painted (black, corrosion resistant) |
| Compatible Models | Howo A7, T7H, ZZ4257, ZZ1257 |
Cast from high‑grade QT450‑10 nodular iron, this bracket offers exceptional strength and ductility, resisting fatigue and impact from constant brake applications.
The camshaft journal bore is CNC machined to exact tolerances, ensuring perfect alignment and minimal wear for the camshaft and bushings.
Durable black paint coating provides excellent resistance to rust and road chemicals, ensuring long service life in harsh environments.
Every bracket undergoes dimensional and magnetic particle inspection to guarantee zero defects and consistent quality.
This right‑side camshaft bracket is a direct replacement for the following SINOTRUK Howo brake systems and vehicle series:
The AZ7121345041 camshaft bracket is manufactured from high‑quality QT450‑10 nodular cast iron, which offers excellent strength, ductility, and fatigue resistance. The casting process is carefully controlled to eliminate porosity and ensure uniform material properties. After casting, the bracket undergoes stress relieving and then precision machining on multi‑axis CNC centers. All critical surfaces – the camshaft bore, mounting faces, and bolt holes – are machined to tolerances within 0.02 mm. Finally, the bracket is coated with a durable black paint to resist corrosion. This meticulous process ensures that this critical brake component meets or exceeds the original equipment specifications.
In heavy‑duty drum brake systems, the camshaft bracket must withstand the high torque generated during brake application, as well as constant vibration and shock from the road. A failure of this bracket can lead to brake imbalance or complete loss of braking on one wheel. The AZ7121345041 is engineered to handle the extreme forces generated in Howo braking systems, with a tensile strength exceeding 450 MPa. Its robust construction and precise machining ensure that the camshaft remains correctly aligned, guaranteeing even brake lining wear and consistent braking force. Fleet operators who have switched to this genuine part report fewer brake system failures and extended service intervals, directly impacting their bottom line.
Installation of the AZ7121345041 bracket should be performed by a qualified technician using proper tools. The bracket is bolted to the axle housing using the specified high‑strength fasteners, torqued to the manufacturer’s specifications. The camshaft is then inserted into the bore, and the clevis is connected to the slack adjuster. It is recommended to replace all associated bushings and seals at the same time. Using genuine parts guarantees that all clearances and bolt patterns are maintained, preventing premature wear and ensuring safe braking.
The quality control for this bracket includes 100% inspection of critical dimensions using coordinate measuring machines (CMM). Every bracket is also tested for hardness and material integrity. Samples from each production batch undergo magnetic particle inspection to detect surface cracks. These rigorous checks guarantee that the AZ7121345041 you receive will deliver the same performance and durability as the original component installed in new Howo trucks.
Environmental sustainability is considered in the production of this bracket. The cast iron used is sourced from foundries with certified environmental management systems, and a significant portion of the material is recycled scrap. The paint used is solvent‑free and meets strict environmental regulations. At the end of its long service life, the bracket is fully recyclable, contributing to a circular economy. By choosing the genuine component, you are not only ensuring the safety of your vehicle but also supporting responsible manufacturing practices.
For fleet maintenance departments and brake specialists, the AZ7121345041 bracket is available individually or as part of a complete brake hardware kit. Each bracket is packaged in a heavy‑duty cardboard box with foam supports to protect the machined surfaces during shipping. A data sheet with the actual measured dimensions is included with each bracket, providing full traceability. Bulk orders receive quantity discounts and can be shipped directly to your workshop from our regional distribution centers.
Field performance data collected from over 500 Howo trucks operating in various conditions (highway, off‑road, mining) shows that this bracket has a mean time between failures (MTBF) exceeding 1,000,000 kilometers when properly maintained. This exceptional reliability is the result of superior material selection and precise manufacturing. Many fleet managers have standardized on this genuine part for all their brake system overhauls, reducing parts inventory complexity and ensuring consistent quality.
When ordering, please verify your vehicle’s axle configuration and brake type to ensure correct fitment. The AZ7121345041 bracket is specifically designed for right‑side applications on Howo axles with S‑cam brakes. For left‑side or other models, please consult our cross‑reference guide. Our technical team is available to answer any questions regarding compatibility, but please note that we do not provide direct contact information on this page as per our policy; instead, you may refer to the documentation included with the part or contact your local SINOTRUK dealer.
In summary, the AZ7121345041 camshaft bracket (right) represents the highest standard of quality and engineering for SINOTRUK Howo trucks. Its nodular iron construction, precision machined bore, and durable coating ensure reliable brake actuation and extended system life. By choosing this genuine component, you protect your investment and keep your fleet on the road. Trust the AZ7121345041 – the bracket that heavy‑duty braking demands.
During brake service, visually inspect the AZ7121345041 bracket for cracks, corrosion, or deformation. Check that all mounting bolts are tight and that the camshaft rotates freely. Replace immediately if any damage is found.
Lubricate the camshaft bushings through the grease fitting at regular intervals with high‑temperature lithium grease.
Only the authentic AZ7121345041 bracket carries SINOTRUK’s material certification. Imitations often use low‑grade iron that cracks or deforms, leading to camshaft misalignment and brake failure. The genuine part is traceable to an ISO 9001 foundry, with 100% inspection. When you install this bracket, you preserve the resale value of your Howo and avoid roadside failures. Fleet operators report that using the OEM component cuts unscheduled brake repairs by 60%.
Preparation: Clean the axle mounting surface. Apply anti‑seize to the bracket bolts. Inspect the new bracket for shipping damage.
Mounting: Position the bracket and torque bolts to the specified value. Insert the camshaft, install the slack adjuster, and secure with a new cotter pin.
After installation, adjust the brakes and check for proper camshaft rotation. Road test to confirm correct braking performance.
The robust nodular iron construction resists deflection under high brake torque, ensuring consistent camshaft alignment.
The material maintains its mechanical properties from -40°C to +200°C, ensuring reliable performance in all climates.
The cast iron contains over 90% recycled content. Production scrap is returned to the foundry for remelting.
At end of life, the bracket is 100% recyclable, supporting circular economy principles and reducing landfill waste.
Every AZ7121345041 bracket leaves the factory with a laser‑etched part number for full traceability. When you order from our official warehouse, you receive the latest production batch with optimized casting technology – a detail many suppliers ignore. Pair the bracket with genuine SINOTRUK Howo camshafts, bushings, and seals for a 100% match.
To verify the authenticity of your AZ7121345041, check the casting mark on the bracket. Our global network ensures fast delivery to any heavy‑duty workshop. Trust this bracket to keep your Howo braking system reliable – it’s the component that makes the difference between average and exceptional braking performance.
AZ7121345041 – 100% Genuine SINOTRUK Howo Camshaft Bracket (Right) • Built for the long haul • No forms, just quality parts.