712W47101-2016 Power Steering Pump Sinotruk HOWO Engine Part Truck Parts Sitrak Shacman FAW Foton Dongfeng Made in China

Product Description

 

OEM/ODM

Product Parameters

712W47101-2016 Power Steering Pump Sinotruk HOWO Engine Part Truck Parts Sitrak Shacman FAW Foton Dongfeng Made in China

Product Name:   Power Steering Pump
Part Number:  712W47101-2016
Product Model:   Sinotruk
Product After Sales Service:    3 Months
Product Material:  Steel
Product Origin:    JINAN
Product Unit:    PCS
Product Advantages:    high-density, good performance, long service life.

Product Advantages

 

 

Function of Truck Power Steering Pump

The power steering pump in a truck is a critical component of the hydraulic power steering (HPS) system, which assists the driver in turning the steering wheel with minimal effort. Below are its key functions:

1. Generates Hydraulic Pressure

• The pump is driven by the engine (via a belt) and pressurizes power steering fluid, creating the necessary hydraulic force to assist steering.

• It maintains a steady flow of high-pressure fluid to the steering gearbox or rack-and-pinion system.

2. Reduces Steering Effort

• Without the pump, turning heavy truck wheels (especially when stationary or at low speeds) would require significant physical force.

• The pressurized fluid helps move the steering linkage, making maneuvers smoother.

3. Regulates Fluid Flow & Pressure

• The pump includes a pressure relief valve to prevent excessive pressure, protecting hoses and seals from damage.

• It adjusts output based on engine speed (higher RPM = more pressure).

4. Lubricates & Cools the Steering System

• The circulating fluid lubricates internal components (e.g., gears, pistons) and dissipates heat, preventing wear.

5. Supports Steering Responsiveness

• Ensures quick and precise steering response, crucial for large vehicles like trucks and buses.

Common Signs of a Failing Power Steering Pump

• Whining or groaning noise when turning

• Stiff or jerky steering

• Fluid leaks (often near the pump or hoses)

• Low fluid level or foamy/contaminated fluid

Types of Power Steering Pumps in Trucks

• Vane-type pump (most common, uses rotating vanes to pressurize fluid)

• Gear-type pump (older designs, less efficient)

• Electric power steering (EPS) (in modern trucks, replaces hydraulic pumps with electric motors)

Maintenance Tips
Regularly check power steering fluid levels.
Inspect for leaks (pump seals, hoses).
Replace worn-out belts to prevent pump failure.
Flush old fluid periodically to prevent sludge buildup.

Without a functioning power steering pump, steering a heavy truck becomes extremely difficult, increasing driver fatigue and safety risks. Proper maintenance ensures smooth and reliable operation.

Company Profile

          Shandong Tongjia Supply Chain Management Co., Ltd. was established in 2002, and in 2014, it set up a subsidiary Jinan Perfect Power Auto Parts Co. specializes in the sale of heavy-duty trucks and truck parts. The company primarily focuses on distributing Sinotruk, Shacman, Foton truck parts, and various construction machinery components, offering over 200,000 distinct items. Shandong Tongjia emphasizes international trade, exporting goods to Africa, the Middle East, Southeast Asia, South America, Eastern Europe, and other global markets. The company has developed a dedicated and professional technical staff and sales team, establishing a comprehensive management system. Shandong Tongjia is committed to providing customers with high-quality and affordable products. Currently, its offerings are well-received both domestically and internationally, consistently earning praise from customers around the world.

Our Advantages

We have worked with many of the world's leading brands,and almost all of our co-operators have been satisfied with our products and services,and have continued their co-operation for many years. We are looking forward to your enquiry,let's cooperate and win together !

Production Process

Certifications

Packaging & Shipping

FAQ

1. Q:What's your best price for this product?

A: We will quote you the best price according to your quantity, so when you make an inquiry,please let us know the quantity you want.The more the quantity the better the price.

2.Q:How about the quality of this product?

A: Our products are certified to ISO9001 international quality standards.Our compay has very
 strict Quality Control Systems.

3. Q:Can we customize our own logo or label on this product?

A: Yes, you can. we support logo printing & stamping & label printing, printing will be free if the logo
 is not very complex.

4. Q:What about the warranty?

A: We are very confident in our products, and we pack them very well to make sure the goods in 
well protection