

Upgrade your heavy-duty fleet with the genuine AZ7117339041 Rear Axle Housing Assembly, engineered by SITRAK to withstand extreme loads and harsh terrains. This OE-grade component delivers unmatched reliability, precision fitment, and extended service life. As part of our premium SITRAK SPARE PARTS catalog, the Rear Axle Housing Assembly ensures your truck operates at peak efficiency while reducing downtime. Designed using high-strength nodular cast iron and advanced anti-corrosion coating, this rear axle housing assembly integrates seamlessly with SITRAK original drivetrain systems. Invest in AZ7117339041 – the backbone of your cargo operation.
The AZ7117339041 Rear Axle Housing Assembly is a direct OEM replacement for SITRAK C7H, C9H, and T7H series trucks. Manufactured under strict ISO/TS16949 standards, every Rear Axle Housing Assembly unit undergoes rigorous fatigue testing and magnetic particle inspection. Whether you are operating in mining, long-haul logistics, or construction, Rear Axle Housing Assembly provides superior torsional rigidity and heat dissipation. Many fleet owners report over 500,000 km of trouble-free service after installing this genuine Rear Axle Housing Assembly assembly.
The Rear Axle Housing Assembly housing features CNC-machined bearing journals and laser-welded seams, ensuring perfect alignment with differential carriers and half shafts. Each AZ7117339041 unit is balanced dynamically to eliminate vibration.
Constructed with QT500-7 ductile iron, AZ7117339041 resists cracking under peak torque of 32,000 Nm. Surface e-coating exceeds 500h salt spray resistance, protecting your investment against rust and pitting.
Integrated oil channels within AZ7117339041 reduce operating temperatures by 15% compared to aftermarket copies. Extended lubrication intervals keep your drivetrain healthy.
Every AZ7117339041 delivery includes pre-installed studs and alignment dowels. Direct swap for original axle housings – no modifications required, saving valuable workshop hours.
Choosing authentic AZ7117339041 means avoiding premature wear, noise, and axle misalignment. Counterfeit housings often use inferior iron grades that fail under heavy braking. With Rear Axle Housing Assembly, you get SITRAK’s original metallurgical formula, CAD-optimized ribbing, and 100% dimensional verification. Fleet managers using Rear Axle Housing Assembly have reduced axle-related failures by 78% according to internal SITRAK field studies.
The Rear Axle Housing Assembly housing directly replaces SITRAK part numbers AZ7117339040, AZ7117339042 and fits chassis models: C7H 6×4, T7H 8×4, and C9H 6×6. Before installation, verify your existing differential carrier and axle shafts. Always replace fasteners and apply thread locker. Recommended torque for mounting AZ7117339041 to suspension brackets: 420 Nm ±5%. Use SITRAK-approved axle oil grade GL-5 85W-140. After swapping to a new Rear Axle Housing Assembly, perform a break-in procedure: first 500 km avoid full throttle and heavy engine braking.
Every AZ7117339041 begins as premium raw iron from Baosteel, melted in induction furnaces. The casting process uses resin sand molds to achieve near-net shape, reducing porosity. After cooling, each Rear Axle Housing Assembly housing undergoes 100% X-ray inspection for internal voids. Then CNC finishing ensures bearing bore tolerance within H7 grade. Finally, the Rear Axle Housing assembly is stress-relieved and shot-peened to maximize fatigue life. SITRAK’s quality system (IATF 16949) guarantees that every Rear Axle Housing Assembly leaving the factory performs identically to original equipment.
Compared to non-OEM housings, the AZ7117339041 offers thicker wall sections in stress zones (spring seat and tube junction). Independent lab tests show that generic housings fail after 280,000 cycles of vertical load, while Rear Axle Housing Assembly exceeds 620,000 cycles. For drivers and fleet owners, this translates to lower total cost of ownership and fewer roadside emergencies. Always insist on the genuine Rear Axle Housing Assembly to maintain your SITRAK warranty and safety standards.
In addition to the Rear Axle Housing Assembly housing, SITRAK offers complementary spare parts such as axle shafts, differential kits, and wheel seals. For seamless operation, pair your new Rear Axle Housing Assembly with genuine SITRAK lubricants and fasteners. The precision threading on the Rear Axle Housing Assembly drain plug eliminates cross-threading issues common with aftermarket copies. And thanks to the optimized inner geometry, your mechanic can inspect the differential without fully removing the housing – a time-saving design exclusive to Rear Axle Housing Assembly.
When ordering your replacement, always confirm the part number AZ7117339041 stamped on the housing flange. Counterfeit products often have blurry stamps or inconsistent font. Genuine Rear Axle Housing Assembly includes a laser etched QR code linked to SITRAK’s authentication database. Register your product to activate the 24-month warranty. With proper care, the Rear Axle Housing Assembly housing will serve your SITRAK truck for over 1,200,000 km.
The AZ7117339041 Rear Axle Housing Assembly represents the pinnacle of SITRAK engineering: robust, reliable, and rigorously tested. Replacing your worn housing with this OEM-certified unit reduces axle deflection, improves fuel economy by minimizing rolling resistance, and eliminates chronic oil seepage. With thousands of Rear Axle Housing Assembly units already in service globally, the track record speaks for itself – lower noise, cooler running, and longer brake life. Invest in authenticity; invest in Rear Axle Housing Assembly.