
Product Introduction
The AZ9231320014 Input Flange Assembly is a high-quality drivetrain component designed for SINOTRUK HOWO heavy-duty trucks. It is mainly installed in the drive axle input system to connect the propeller shaft with the axle assembly, ensuring efficient power transmission from the gearbox to the differential and rear axle.
This flange assembly is manufactured according to OEM standards with high-strength steel material and precision machining technology. The internal spline teeth are processed with high accuracy to ensure excellent concentricity, reliable engagement, and stable operation under heavy torque conditions.
The AZ9231320014 is widely used as a SINOTRUK HOWO axle flange assembly, suitable for heavy-duty truck axle systems. It is commonly applied in HOWO cargo trucks, dump trucks, tractor trucks, and other commercial vehicles requiring reliable drivetrain components.
As an aftermarket replacement part, this input flange assembly is suitable for truck repair workshops, axle maintenance specialists, fleet operators, and spare parts distributors looking for a durable replacement solution for SINOTRUK HOWO axle repairs.


Technical Specifications
| Item | Specification |
|---|
| Product Name | Input Flange Assembly |
| Part Number | AZ9231320014 |
| Product Type | Drive Axle Input Flange |
| Vehicle Brand | SINOTRUK HOWO |
| Application | Drive Axle System |
| Product System | Chassis & Axle Parts |
| Material | High Strength Forged Steel |
| Manufacturing Process | Forging + Precision Machining |
| Connection Type | Internal Spline Connection |
| Load Type | High Torque Transmission |
| Installation Position | Axle Input Shaft |
| Size | OEM Standard Size |
| Surface Treatment | Heat Treatment / Hardening Process |
| Installation Type | Direct Replacement |
| Quality Standard | OEM Standard |
| Condition | Brand New |
| Packaging | Export Standard Packaging |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
|---|
| SINOTRUK HOWO | HOWO 371, HOWO 336, HOWO 420 Series |
| SINOTRUK HOWO | Heavy Duty Cargo Truck, Dump Truck, Tractor Truck |
| SINOTRUK Axle System | Compatible Drive Axle Assemblies |
| SINOTRUK SITRAK | Compatible Axle Applications |
Payment & Shipping
| Category | Options |
|---|
| Payment Methods | T/T, PayPal, Western Union, MoneyGram, L/C, Alibaba Trade Assurance |
| Express Shipping | DHL, FedEx, UPS, TNT |
| Freight Shipping | Air Freight, Sea Freight, Railway Freight |
| Delivery Time | Express: 3-7 Working Days; Air Freight: 7-15 Days; Sea Freight: 20-45 Days |
| Shipping Coverage | Worldwide Shipping Available |
| Trade Terms | EXW, FOB, CFR, CIF, DDP |
Related Products Categories
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
|---|
| Gearbox Parts | Gearbox Assembly, Gear Set, Synchronizer, Bearing, Oil Seal, Shift Fork, Clutch Disc, Pressure Plate, Release Bearing, PTO Assembly, Driveshaft, Universal Joint, Gearbox Flange |
Chassis & Axle Parts
| Section/System | Common Spare Parts |
|---|
| Axle System | Rear Axle Assembly, Differential Assembly, Bevel Gear Pair, Axle Shaft, Wheel Hub, Wheel Bearing, Kingpin Kit, Brake Drum, Brake Chamber, Slack Adjuster, Axle Flange |
