Do you provide genuine OEM parts?

Yes. We can provide genuine parts, OEM parts, and high-quality aftermarket parts according to customer requirements and budget.

Do you participate in international exhibitions?

Yes. We regularly participate in domestic and international automotive and truck parts exhibitions, helping us stay connected with global customers and industry developments.

How many years of export experience do you have?

We have extensive experience serving customers in South America, the Middle East, Africa, and Central Asia, supplying truck parts, trailer parts, and customized OEM solutions.

Are you a manufacturer or a trading company?

We cooperate directly with authorized manufacturers and OEM factories. With strong supply chain resources and export experience, we provide one-stop procurement solutions for heavy truck and trailer spare parts.

Who is Jinan Wopu Auto Parts Co., Ltd.?

Jinan Wopu Auto Parts Co., Ltd. is a professional supplier of heavy truck parts and trailer components in China. We specialize in chassis parts, truck axle assemblies, trailer axle assemblies, engine assemblies, transmission assemblies, and spare parts for SINOTRUK, SHACMAN, FAW, FOTON, HONGYAN, and Beijing Benz trucks.

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LOCATION : Home - Products - Truck axle - Sinotruk Truck Axle Products - WG9981320040 Differential Half Shaft Gear for Sinotruk HOWO Steyr Differential Axle System

WG9981320040 Differential Half Shaft Gear for Sinotruk HOWO Steyr Differential Axle System

✅ OEM Standard Differential Half Shaft Gear for Sinotruk HOWO Steyr Axle System
✅ Direct Replacement for WG9981320040 Differential Half Shaft Gear Component
✅ Designed for Sinotruk HOWO Steyr Differential Assembly Maintenance and Repair
✅ Precision Machined Gear Teeth Ensure Smooth Power Transmission and Stable Operation
✅ High Strength Alloy Steel Material Provides Excellent Wear Resistance and Impact Resistance
✅ Accurate Fitment for Sinotruk HOWO Steyr Heavy Duty Truck Differential System
✅ Strict Quality Inspection Before Shipment
✅ Factory Direct Supply with Competitive Price

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Product Description

The WG9981320040 Differential Half Shaft Gear is designed for Sinotruk HOWO and Steyr heavy-duty truck differential axle systems. It is a key differential component connected with the half shaft, used for power transmission from the differential assembly to the drive wheels. Manufactured with high-strength material and precision machining technology, this gear provides accurate engagement, stable operation, excellent wear resistance and long service life for truck axle repair and maintenance.

Technical Specifications

Item	Specification	Item	Specification
Product Name	Differential Half Shaft Gear	OE Number	WG9981320040
Product Type	Differential Side Gear	Application	Sinotruk HOWO / Steyr Truck
System	Rear Drive Axle Differential System	Vehicle Brand	SINOTRUK HOWO
Function	Power Transmission & Differential Operation	Material	High Strength Alloy Steel
Quality Standard	OEM Replacement Quality	Condition	Brand New
Packaging	Carton Package	Payment Terms	T/T, L/C, Alibaba Trade Assurance
Shipping Methods	DHL / Air Freight / Sea Freight	Warranty	12 Months

Vehicle Fitment

Vehicle Brand	Compatible Models / Systems
SINOTRUK	HOWO Heavy Duty Truck Series
HOWO	Rear Drive Axle Differential System
Steyr	Heavy Duty Truck Differential Axle System

Note: Please confirm axle model and OE number before ordering.

Related Products Categories

Engine Parts System

Section/System	Common Spare Parts
Cylinder Block & Cylinder Head	Cylinder Block, Cylinder Head, Cylinder Liner, Piston, Piston Ring, Cylinder Head Gasket
Crankshaft System	Crankshaft, Connecting Rod, Main Bearing, Thrust Washer
Valve Train	Camshaft, Rocker Arm, Intake Valve, Exhaust Valve
Turbocharger System	Turbocharger, Intercooler, Turbo Repair Kit
Fuel System	Fuel Injector, Fuel Pump, Common Rail System
Cooling System	Water Pump, Radiator, Thermostat
Lubrication System	Oil Pump, Oil Cooler, Oil Filter

Transmission & Drivetrain Parts

Section/System	Common Spare Parts
Clutch System	Clutch Disc, Pressure Plate, Release Bearing
Transmission System	Gearbox Assembly, Gear Set, Synchronizer, Bearing
Driveshaft System	Propeller Shaft, Universal Joint, Center Bearing
Differential System	Bevel Gear Pair, Differential Assembly, Crown Wheel & Pinion, Differential Bearing
Axle System	Axle Housing, Half Shaft, Hub Assembly

Chassis & Suspension Parts

Section/System	Common Spare Parts
Front Axle	Steering Knuckle, Kingpin Kit, Wheel Bearing
Rear Drive Axle	Axle Housing, Differential Housing, Half Shaft
Suspension System	Leaf Spring, Air Spring, Shock Absorber
Steering System	Steering Gearbox, Steering Pump, Tie Rod
Brake System	Brake Drum, Brake Disc, Brake Pad, Brake Chamber
Wheel Hub System	Wheel Hub, Oil Seal, Bearing

Cabin & Body Parts

Section/System	Common Spare Parts
Cabin Assembly	Cabin Shell, Cabin Mount, Suspension Components
Door System	Door Assembly, Door Lock, Window Regulator
Lighting System	Headlamp, Tail Lamp, Fog Lamp
Electrical System	Wiring Harness, Sensor, Switch
HVAC System	AC Compressor, Condenser, Blower Motor