SinteredPart.com | High-Quality Sintered Metal Parts & Shock Absorber Components

About Max Auto Parts

A trusted partner in the automotive supply chain, delivering precision-engineered sintered parts and shock absorber components to leading global brands.

Engineered for Performance, Built to Last

Founded in 2000 and headquartered in Ningbo, China, Max Auto Parts has established itself as a premier manufacturer of sintered metal parts and shock absorber components. Our advanced powder metallurgy techniques ensure consistent quality, dimensional accuracy, and mechanical strength.

We serve industry leaders such as Marelli, AL-KO, Yuan Shock Absorber, and Gabriel, supporting their production with reliable, high-volume component supply. With an annual production capacity of 50 million pieces and spare capacity of 30 million, we are fully equipped to scale with your needs.

ISO-Certified Manufacturing
Export-Ready Logistics
R&D-Driven Innovation
OEM & ODM Services

Our Product Range

Precision-engineered sintered components for automotive, industrial, and OEM applications. All parts are manufactured under strict quality control and tailored to meet exact specifications.

Shock Absorber Piston

High-density sintered steel with precise tolerances for smooth damping performance.

Material: Fe-Cu-C | Density: 6.8–7.2 g/cm³ | Tolerance: ±0.02mm

Sintered Valve Plate

Critical flow control component with optimized porosity and wear resistance.

Material: Fe-Cu-C-Ni | Hardness: HB 85–105 | Application: Hydraulic Dampers

Generator Bearing Sleeve

Self-lubricating sintered bronze sleeve for long-life generator performance.

Material: Cu-Sn-Pb | Porosity: 18–22% | Oil Retention: 0.8–1.2 cc/100g

AC Compressor Bushing

High-load sintered steel bushing with anti-seize coating for refrigerant environments.

Material: Fe-Cu-C-Mo | Load Capacity: 25 MPa | Temp Range: -40°C to 120°C

Motorcycle Shock Component

Lightweight, high-strength sintered part for rear suspension systems.

Material: Fe-Mn-C | UTS: ≥550 MPa | Application: Two-Wheeler OEMs

Sintered Spur Gear

Precision-toothed gear with minimal post-processing, ideal for transmission modules.

Module: 0.8–1.5 | Teeth: 12–36 | Tolerance: DIN 10

Shock Absorber Guide

Ensures piston rod alignment with low friction and high wear resistance.

Material: Fe-Cu-C | ID Tolerance: ±0.015mm | Surface Finish: Ra ≤1.6μm

Valve Retainer

Robust sintered component for securing internal valves in damping systems.

Material: Fe-Cu-C-Sn | Hardness: HB 90–110 | Coating: Zinc Plated

Thrust Washer

Axial load-bearing washer with excellent anti-galling properties.

Material: Cu-Sn-Pb | Max Load: 30 MPa | Application: Transmission

Pump Rotor Segment

High-precision segment for rotary vane pumps with uniform porosity.

Material: Fe-Cu-C | Density: 6.9 g/cm³ | Tolerance: ±0.02mm

Cam Follower

Durable follower for timing systems with low maintenance requirements.

Material: Fe-Cu-C-Mo | Hardness: HRC 28–32 | Finish: Ground

Lock Nut Component

Threaded sintered part with anti-loosening design for vibration-prone areas.

Material: Fe-Cu-C | Thread: M6–M12 | Torque Spec: 8–12 Nm

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Why Choose Max Auto Parts?

We combine decades of expertise with cutting-edge technology to deliver unmatched quality and service in sintered component manufacturing.

Advanced Manufacturing

Fully automated sintering lines and precision tooling ensure consistent quality and high throughput.

Quality Assurance

ISO standards compliance with rigorous in-process and final inspections using CMM and optical systems.

Global Reach

Exported to Europe, Asia, and North America with reliable logistics and customs documentation.

Engineering Support

Dedicated R&D team for custom design, prototyping, and material optimization.

Frequently Asked Questions

What materials do you use for sintered parts?

We primarily use iron-copper-carbon (Fe-Cu-C) alloys, bronze (Cu-Sn-Pb), and custom formulations with nickel, molybdenum, or manganese based on performance requirements.

Can you produce custom-designed components?

Yes, we offer full OEM/ODM services including design support, prototyping, tooling, and mass production. Our engineering team works closely with clients to meet exact specifications.

What is your minimum order quantity (MOQ)?

MOQ varies by part complexity and material, but we are flexible and can accommodate trial orders and low-volume production for development phases.

Do you provide samples?

Yes, we provide free samples for qualified buyers. Sample lead time is typically 10–15 days after design approval.

What certifications do you hold?

Our manufacturing processes comply with international quality standards. We follow ISO procedures for quality control and documentation.

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Precision Sintered Metal Parts for Automotive Excellence