
Product Introduction
The AZ9981320011 Axle Reduction Housing is a heavy-duty axle drivetrain component designed for SINOTRUK HOWO AC16 drive axle systems. It is an important housing part of the rear axle main reduction assembly, providing structural support and accurate positioning for the differential and reduction gear components.
Manufactured according to OEM quality standards, the AZ9981320011 reduction housing features high structural strength, precise machining accuracy, and excellent resistance to impact and vibration. It helps maintain proper alignment of internal axle gears and bearings, ensuring stable power transmission and reliable operation under heavy-load working conditions.
Designed as a direct aftermarket replacement, this axle reduction housing is suitable for repair and maintenance applications of SINOTRUK HOWO AC16 trucks. It is widely used in heavy-duty dump trucks, cargo trucks, construction vehicles, mining transportation vehicles, and fleet service operations requiring durable axle components.
The AZ9981320011 axle reduction housing is an ideal choice for truck repair workshops, axle maintenance suppliers, distributors, and wholesale spare parts companies. With OEM-level manufacturing quality and reliable durability, it helps restore rear axle performance, reduce maintenance downtime, and extend the service life of heavy-duty truck drivetrain systems.


Technical Specifications
| Item | Specification | Item | Specification |
|---|
| Product Name | Axle Reduction Housing | OE Number | AZ9981320011 |
| Vehicle Brand | SINOTRUK HOWO | Compatible Axle | AC16 Drive Axle |
| Application | Rear Axle Main Reduction Assembly | Product System | Axle & Differential System |
| Compatible Models | SINOTRUK HOWO AC16 | Material | High-Strength Cast Steel |
| Function | Main Reducer Gear Support & Housing Protection | Manufacturing Process | Precision Casting & Machining |
| Installation Type | Direct Replacement | Quality Standard | OEM Standard |
| Condition | Brand New | Packaging | Export Standard Packaging |
| Dimensions | Available Upon Request | Weight | Available Upon Request |
Vehicle Fitment
| Vehicle Brand | Compatible Models |
|---|
| SINOTRUK HOWO | HOWO |
| SINOTRUK HOWO | HOWO A7 |
| SINOTRUK HOWO | HOWO T7H |
| SINOTRUK HOWO | HOWO TX |
| SINOTRUK HOWO | HOWO MAX |
| SINOTRUK | AC16 Drive Axle Equipped Models |
Payment & Shipping
| Category | Options |
|---|
| Payment Methods | T/T (Bank Transfer), PayPal, Western Union, MoneyGram, Visa, MasterCard, L/C (Letter of Credit), 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
| Section/System | Common Spare Parts |
|---|
| Engine Parts | Cylinder Block, Cylinder Head, Piston, Piston Ring, Crankshaft, Connecting Rod, Camshaft, Fuel Injector, Turbocharger, Water Pump, Oil Pump, Alternator, Starter Motor, Sensors |
Transmission & Drivetrain Parts
| Section/System | Common Spare Parts |
|---|
| Transmission System | Transmission Assembly, Synchronizer, Gear Set, Bearing, Oil Seal, Shift Fork, Clutch Disc, Pressure Plate, Release Bearing, PTO Assembly, Driveshaft, Universal Joint, Differential Assembly |
| Section/System | Common Spare Parts |
|---|
| Axle System | Front Axle, Rear Axle, Kingpin Kit, Wheel Hub, Wheel Bearing, Leaf Spring, Air Spring, Shock Absorber, Brake Drum, Brake Disc, Brake Chamber, Slack Adjuster, Steering Gearbox |
| Axle Components | Axle Reduction Housing, Main Reducer Housing, Axle Bridge Box, Differential Assembly, Bevel Gear Pair, Axle Shaft, Oil Seal, Bearing, Adjustment Nut |
Cabin & Body Parts
| Section/System | Common Spare Parts |
|---|
| Cabin Parts | Cab Assembly, Dashboard, Door Assembly, Door Lock, Mirror, Headlamp, Tail Lamp, Bumper, Grille, Fender, Seat, AC Compressor, Wiring Harness |
