OEM Forged Carbon Steel Control Arm Car Axle Steering Knuckle for Auto Steering System

• Customization: Available
• After-sales Service: Contact Us
• Warranty: Contact Us
• Model NO.: SA-SK
• Type: Universal Joint
• Material: Carbon
• Certification: ISO, JIS, GB, BS, ISO 9001:2008
• Automatic: Automatic
• Standard: Nonstandard
• Condition: New
• Item: Steering Knuckle
• Processing Object: Metal
• Molding Style: Forging
• Molding Technics: Pressure Casting
• Application: Machinery Parts
• Heat Treatment: Normalizing
• Surface Treatment: Sand Blasting
• Forging Tolerance: +/-0.5mm
• Place of Origin: Shandong, China
• Use: Steering Knuckle for Auto Parts
• Color: Black
• Quality Control: 100% Inspected
• Advantages: Within 20 Days After Receiving Last Confirm Info
• Unique: China Gold Supplier
• Logo Printing: Customized
• Transport Package: Plywood Box
• Specification: SGS, ISO9001: 2008
• Trademark: Shengao
• Origin: Weifang, Shangdong, China
• HS Code: 87089910
• Production Capacity: 50000PCS/Month
• Package Size: 50.00cm * 40.00cm * 60.00cm
• Package Gross Weight: 150.000kg

Product Description

OEM Forged Carbon Steel Car Axle Steering Knuckle for Auto Steering System 

Product Description

Product Name	Srteering Knuckle
Apllication	Steering system
MOQ	1PC
Quality	100% Tested
Installation	Easy Installation
Position	Rear
Package	Neutral Package/ Customer's Required
Shipping	Cusstomer's Choice
Payment	T/T

Our Advantages

 

1. Advanced design and skilled workmanship gurantee the standard of our products; 
2. High-quality raw materials gurantee the good performance of our products; 
3.Experienced teams and mangement gurantee the production efficiency and the delivery time; 
4.Our good service bring you pleasant purchase. 
5. The same length as original one. 
6. Lower MOQ is acceptable with more models. 
7.Laser Mark for free. 
8.Pallet with Film for free.
 

       
   Feature of product

1, Logo an be added as customer's own design.

2,A complete range of specifications

3,Strict quality control

4,Durable in use and depenance performance

5,Professional Technical Knowledges;

6.Considerate Service Personnel;

7.Excellent Producers Systerm and Cooperations;

8,Strict Order Management System;

9,Good and Safe Warehouse Environment.

10.Packeging nicely and neatly,according to clients'requirment

11.Provide professional advice to clients in different  market

Detailed Photos

 

 

Materials	Friction Press Machines	Unit Weight Range	Min Tolerance	Surface Treatments	Heat Treatments
Carton steel,alloy steel,stainless steel	25Ton~1000Ton	0.1Kg~1000kg	0.02mm	Pickling oil , Galvanization, Chromeplate, Hot Dip, Galvanizing, Painting, PowderCoating	Normalizing, Hardening, Tempering, Nitridation, Carburization

Auto Steering Knuckles are used in the areas of motorcycles or auto motors , forged with quality material. we have three production lines , are able to produce Auto Steering Knuckles  and other diverse parts  such as Gears, Connecting Rod, Crank Shaft ,Universal Joint, Ball Joint ,Yoke, Transmission Shaft etc.After forming by forged, Auto Steering Knuckles will be processed by heat treatment for further machined, beforelast quality checking and packing, Auto Steering Knuckles are processed by shot blasting for fine surface.

We will design each special tooling to control key dimensions of forging steering knuckle during manufacture and before packing to ensure each key dimension under control.

Features: Forged Steel Forging Parts from China Supplier

1) Materials: malleable iron, carbon steel, Alloy steel, stainless steel, aluminum, bronze, brass, etc.

2) Standard: JIS, DIN, ASTM, BS

3 ) Surface treatment  :Electro Zinc Plating Hot deep zinc plating, Electrophoresis, Powder
coating, Painting ,Shoot blasting etc.

4) Weight: 0.1 -10,000kg

5) Processes : Forging, CNC Machining.

6) Manufacturing equipments: three die-forging product lines (3-ton stamp forging hammer product line, 1000 ton friction product line, 1250 ton press product line), various loose hammers and cylinder parts , automatic control ring forging machine, heat treatment cellar, digital control fibre natural gas car furnace, standing machine tool, machine tools, standing miller,  standing drill machine, bench drill machine,CNC machining center etc

7) Testing equipment: Supersonic inspection machine, Supersonic flaw detecting machine, physics and chemical analysis.

8)Services

a) Also can design and manufacture forged according to the customers' requirement

b) ISO9001 quality control and inspection

c) In house & Third Parties

d) Ordering and warehousing

9)Packing: Wooden cases or according to customers' needs

The steering knuckle is one of the important parts in the steering axle of the car, which can make the car run stably and transmit the driving direction sensitively. The function of the steering knuckle is to transmit and bear the front load of the car, support and drive the front wheel to rotate around the king pin to turn the car. In the driving state of the car, it is subjected to variable impact loads, therefore, it is required to have high strength
        

FAQ

 

1. What is a Car Axle Steering Knuckle?
The Steering Knuckle (also called a Spindle or Upright) is a critical suspension and steering component. It serves as the pivot point that connects the wheel hub/brake assembly to the vehicle's suspension (via ball joints or control arms) and allows the wheel to steer left and right (via the tie rod). It is a major safety component that must withstand immense stress.

2. What are its main functions?
The knuckle has three essential roles:

Wheel Carrier: It holds the wheel bearing and hub, allowing the wheel to rotate.

Steering Pivot: It rotates on a king pin (older designs) or via ball joints to turn the wheels for steering.

Suspension Anchor: It connects to the vehicle's upper and lower control arms or strut, forming part of the suspension geometry.

Brake Mount: It provides the mounting point for the brake caliper or brake assembly.

3. What types of steering knuckles do you manufacture?
We produce knuckles for a wide range of vehicle types:

Passenger Cars & SUVs: Front wheel drive (FWD), Rear wheel drive (RWD), and All-wheel drive (AWD).

Light Commercial Vehicles & Vans.

Heavy-Duty Trucks & Trailers.

Replacement/OEM-style knuckles for specific car makes and models.

Performance/Racing Knuckles: Forged or machined for aftermarket upgrades.

4. What materials are used?
We use high-strength materials suitable for this safety-critical part:

Primary Material: Ductile Iron (Nodular Cast Iron - Grade 65-45-12, 80-55-06). Most common, offering an excellent balance of strength, castability, and cost.

High-Strength Alternatives: Forged Steel (AISI 4140, 1045) or Aluminum Alloy (A356-T6) for lightweight performance applications.

Process: Precision casting (ductile iron) or forging followed by CNC machining to exact tolerances.

5.How can I get a quote or confirm fitment?
For a fast and accurate response, please provide:

Vehicle VIN or OEM Part Number.

Target price and annual quantity forecast.

For new programs: 2D drawings or 3D data (STEP, IGES).

6. Are your steering knuckles direct OEM replacements?
Yes. Our replacement knuckles are engineered as direct, form-fit-function replacements for the original parts. They match the OEM specifications for:

Mounting points (for ball joints, tie rod, strut/control arm).

Wheel bearing hub interface.

Brake caliper mounting holes.

Overall geometry and weight.

7. Do the knuckles come with wheel studs or bearings?
Typically, steering knuckles are sold as a bare casting/forging, fully machined and ready for assembly. Wheel studs, bearings, seals, and ABS sensor rings are usually NOT included as they are often re-used from the old assembly or purchased separately. Please confirm the exact product description. We can supply complete hub assemblies upon request.

8. Do you supply related suspension components?
We are a chassis specialist and can also supply:

Control Arms & Ball Joints

Tie Rod Ends & Center Links

Stabilizer Links (Sway Bar Links)

Complete front axle/suspension corner assemblies.

9. What surface treatment is applied?
To prevent corrosion, knuckles receive a protective coating:

Standard: Black Phosphate (Parkerizing) or Electro-deposition (E-Coat). Provides a good base for paint and rust resistance.

OEM-Style: Often primed and painted in black or gray.

High-Performance: Powder coating for extra durability.

10. Can you produce custom or performance knuckles (OEM)?
Yes. OEM and motorsports are key markets for us. We offer:

Full OEM Production: Supplying directly to vehicle assembly lines or Tier-1 suppliers.

Reverse Engineering & Prototyping: From a sample or drawing.

Design for Manufacturability (DFM) support.

Lightweighting and geometry optimization for racing.

11. What is your MOQ (Minimum Order Quantity)?
Aftermarket Replacement Part: MOQ 50 pieces per part number (e.g., 50 Left Hand, 50 Right Hand).

OEM Program / Tier-1 Supply: MOQ is project-based and negotiable (typically 10,000+ pieces annually).

12. What is your production lead time?
Samples (for existing tooling): 20-30 working days.

Aftermarket Production Order: 40-60 working days.

New OEM Program (with tooling): 90-120 days for tooling and sample approval.


Quality First, Price Best, Service Foremost!
We assure you of our best services at all times!