MachineU > China Products > Tools & Hardware
Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Specifications
Model Number :
K25-50-1211-3
MOQ :
150 sets
Delivery Time :
15-25days after PO confirmed
Coaxiality :
0.05
Payment Terms :
L/C,T/T,
Total Length :
390MM
Material :
S 45 C
Price :
USD1.3 ~ 1.6 /set
OD of one end :
M8 X 1.25
OD of another end :
M10 X 1.25
Supply Ability :
500 sets per day
Outer Diameter :
12.5MM
Brand Name :
XIAYI
Certification :
IATF16949:2016
Place of Origin :
NINGBO,CHINA
Packaging Details :
10-50 PCS in one carton or plastic blister tray, outside wooden pallet or wooden box.
Description
Customized Shock Absorber Piston Rod for Automotive Suspension Applications

Off-the-shelf piston rods rarely meet the exacting requirements of modern automotive suspension systems — where every millimeter of stroke, every surface finish parameter, and every material property directly influences vehicle dynamics. Our Customized Piston Rod service puts you in control: specify the diameter (Ø6–500 mm), length (up to 16 m), steel grade, chrome thickness, end machining details, and surface treatment — and we manufacture to your exact print. With IATF 16949:2016 certified production and full material traceability, we function as a seamless extension of your supply chain, delivering rods that drop straight into your assembly line with zero rework.

Your Specifications. Our Precision. Built for Automotive Suspension Excellence.

True Build-to-Print Manufacturing: We work directly from your CAD files — SolidWorks, Pro/E, AutoCAD, UG, or PDF — and manufacture to your specified tolerances, end features, and surface requirements. No compromises, no substitutions.

Full Material Flexibility: Choose from CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo, or stainless steel grades. We help match the optimal material to your strength, fatigue, and cost targets.

Seamless Supply Chain Integration: With IATF 16949:2016 certification, PPAP documentation, and full material traceability, we integrate directly into automotive Tier-1 and Tier-2 supply chains without additional qualification burden.

Scalable Production: From prototype quantities for vehicle testing through mass production volumes of 500+ sets per day, our capacity flexes with your program lifecycle.

Product Specifications
Outer DiameterØ12.5 (-0.01/-0.03) mm
Total Length390 mm
Steel MaterialCK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo
Chrome Hardness950 HV Minimum
Surface RoughnessRz 0.2 μm Maximum
Straightness≤ 0.2 mm / 1000 mm
Supply Condition Options
  • Hard Chrome Plated
  • Induction Hardened
  • Dehydrogenation & Tempered
Manufacturing Process
  1. Hydraulic Steel Raw Material Cutting
  2. CNC Machining with Broaching & Milling Operations
  3. Induction Hardening
  4. Chrome Plating
  5. Dehydrogenation & Tempering
  6. Polish & Superfinish Polish
  7. 100% Final Inspection
  8. Craft Boxes & Wooden Case Packaging
Quality Assurance & Capabilities
Quality SystemIATF 16949:2016 Certified / SGS / TÜV
Surface TreatmentsBlackening, Polishing, Anodize, Chrome Plating, Zinc Plating, Nickel Plating, Grinding
Drawing FormatsSolidWorks, Pro/Engineer, AutoCAD, UG, PDF
Core EquipmentJapan TSUGAMI B-038T 5-Axis CNC Turning, Japan GAMA DMN-650 4-Axis Machining Center, Cylindrical Bore Grinders, Wire EDM, Magnetic Grinding & Vibration Machining, Oven, Ultrasonic Cleaning, Vacuum Packing
Inspection InstrumentsVMS 2.5D Measuring Machine, Mitutoyo Tool Microscope, Mitutoyo Digimatic Micrometer, Mitutoyo Hardness Tester, Mitutoyo Calipers, Mitutoyo Dial Indicator, Mitutoyo Height Gauge, Mitutoyo Tubular Inside Micrometer, Marble Platform, Go/No-Go Gauges, Electronic Digital Caliper, Ring Gauges
Industry ApplicationsMachinery, Heavy-Duty Equipment, Electronic Devices, Auto Spare Parts, Optical Telecommunication
Our Advantages
  • 15+ years of CNC precision machining expertise with a proven track record
  • Japan TSUGAMI CNC machines delivering industry-leading consistency and accuracy
  • IATF 16949:2016 certified quality management — functional excellence and cosmetic perfection
  • Always reliable, professional, and proactive in communication and service
Frequently Asked Questions

Q1: Can you manufacture to our exact drawing and specifications?

Yes — this is our core capability. We accept drawings in SolidWorks, Pro/Engineer, AutoCAD, UG, and PDF formats. Our engineering team reviews your design and provides a feasibility assessment and quotation, typically within 48 hours.

Q2: What diameter and length range can you produce?

We manufacture piston rods from Ø6 mm to Ø500 mm in diameter, with maximum length of 16 meters. ISO f7 diameter tolerance is standard; tighter tolerances are available upon request.

Q3: Do you provide PPAP documentation for automotive programs?

Yes. As an IATF 16949:2016 certified manufacturer, we can supply PPAP Level 3 documentation including PFMEA, Control Plan, MSA, and Process Flow diagrams as required by your program.

Q4: Are you a manufacturer or trading company?

We are a direct manufacturer with 15+ years of precision CNC machining expertise. Factory audits are welcomed and encouraged.

Q5: What is your lead time for custom orders?

Prototype and small-batch orders: 15–25 days. Mass production: 25–45 days depending on complexity and volume.

Q6: From which ports do you export?

Guangzhou, Ningbo, and Shanghai. We optimize routing based on your destination.

Q7: What warranty terms apply?

12-month warranty from purchase date covering manufacturing defects, with free replacement. Excludes racing damage, improper installation, or unauthorized disassembly.

Product Image Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Send your message to this supplier
Send Now

Customized Shock Absorber Piston Rod for Automotive Suspension Applications

Ask Latest Price
Product Detail
Model Number :
K25-50-1211-3
MOQ :
150 sets
Delivery Time :
15-25days after PO confirmed
Coaxiality :
0.05
Payment Terms :
L/C,T/T,
Total Length :
390MM
Contact Supplier
Customized Shock Absorber Piston Rod for Automotive Suspension Applications
Customized Shock Absorber Piston Rod for Automotive Suspension Applications

Ningbo XiaYi Electromechanical Technology Co.,Ltd.

Verified Supplier
12 Years
zhejiang, ningbo
Since 2006
Business Type :
Manufacturer
Main Products :
Shock Absorber Parts, Shock Absorber Piston, Banded Piston
Total Annual :
1500000-5000000
Employee Number :
100~200
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products Shock Absorber Piston Rod
MachineU China Products Tools & Hardware
Contact Supplier
Submit Requirement