Starter Motor and Alternator Brushes

Identify whether the request concerns a starter motor, an alternator or a related brush holder. Send the original part reference and assembly drawing. For regulator-related parts, specify whether you need the brush, holder or complete assembly.

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  • Starter and Alternator Carbon Brush Manufacturer

Review the brush specification, customization options and inquiry steps for Starter and Alternator.

Starter Motor Brush References

With 16+ years of specialized expertise, 007Carbon engineers high-performance carbon brushes for:

▸ Starters

  • Cold-crank optimized designs

  • High-torque transfer efficiency

▸ Alternators

  • Stable current output

  • Low-EMI materials

Key Advantages:
✓ Confirm cycle-life requirements and supporting test evidence
✓ -40°C to 150°C operating range
✓ OEM-equivalent precision

Applications:
• Automotive starters
• Heavy-duty alternators
• Marine electrical systems
• Industrial generators

Browse Starter Motor and Alternator Brushes

Separate starter motor brushes from alternator brushes and related holders. Send the original reference and assembly drawing, and identify whether a regulator-related request concerns an individual brush, a holder or a complete assembly.

Custom Starter and Alternator Carbon Brushes
Material and Assembly Options

Define the material, shape and assembly details needed for your carbon brush project.

01

Carbon Brush Material

Specify the Starter and Alternator carbon brush material for your equipment, from graphite powder to graphite blocks.

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02

Carbon Brush Shape

Specify the finish of your Starter and Alternator carbon brush, such as miter, grain, engraving, printing.

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03

Brush Holder Mold

Specify the brush holder, joints and plastic plates required for your assembly.

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04

Carbon Brush Spring

Specify the Starter and Alternator carbon brush spring type: pressure, torsion or vortex spring.

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05

Carbon Brush Lead

Specify the Starter and Alternator carbon brush lead type: twisted, braided or tinned wire.

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06

Carbon Brush Packaging

Choose packaging for your supply requirements, including cartons, polybags and hanging cards.

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Starter and Alternator Carbon Brush Production Process / OEM Requirements

Our production team works from the agreed carbon brush requirements, with process control through manufacturing and inspection.
Confirm the drawing, material and inspection requirements before production.

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Brush CAD Drawing

Make Starter and Alternator carbon brush drawings according to your requirements.

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Carbon Block Warehouse

Select the carbon block material for the specified motor requirements.

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Cutting the Carbon Material

Cut the carbon stock into smaller blocks.

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Grinding Carbon Block

Grind the carbon block to a smooth surface finish.

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Measuring Carbon Size

Measure the carbon body dimensions, with the tolerance controlled at -0.1mm to 0mm.

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Drilling the Carbon Block

Drill the lead hole in the carbon body.

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Fitting the Brush Lead

Fit the copper lead into the hole in the brush body.

Welding Brush Terminal | motor carbon brush | 007Carbon
Welding Brush Terminal

Secure the terminal by welding or crimping the cable.

Prepare a Starter Motor or Alternator Brush Inquiry

Start your carbon brush project with these 4 steps.

Tell Us What You Need

Describe your requirements and share a drawing, reference photo or proposed design.

Get Solution & Quote

We will review your requirements and drawing, then confirm the quotation scope and response schedule for the project.

Get Your Prototype

After the quotation and proposed specification are agreed, confirm the sample cost, preparation schedule and review method. Sample approval can use the agreed physical sample, photos or video.

Approve for Mass Production

Production follows your approval and the agreed deposit terms. Confirm the production and shipment schedule in the order before proceeding.

Why Customers Choose 007Carbon

Discuss your carbon brush requirements with our team. Review the drawing, material and assembly details before agreeing on the specification.

Cold-Crank Reliability

Instant power transfer at -30°C

Service Life Requirements

Evaluate service life for the specified motor and duty

Voltage Stability

<5% fluctuation for sensitive electronics

Low-EMI Materials

Protect vehicle computer systems

OEM Precision Fit

Exact dimensional compliance

Replacement Requirements

Follow the equipment maker’s approved replacement procedure

Frequently Asked Questions

Review the questions below alongside the page information. Keep the original part reference, agreed specification and any project-specific requirements with your inquiry.

Are starter and alternator brushes interchangeable?

Do not assume they are. They can use different contact systems, material grades and brush-holder arrangements. Identify the exact starter or alternator model and original part reference, then compare the approved assembly specification rather than only the brush dimensions.

Which references are needed for a starter-brush set?

Provide the starter manufacturer, unit number and revision, along with the brush or brush-plate reference. Include the lead attachment and holder drawing or photos. State the intended vehicle or equipment application to distinguish similar-looking starter assemblies.

Should an alternator enquiry cover the brush alone or the regulator assembly?

Use the alternator's parts and service information to identify the supplied unit. Some requests concern a brush-holder or regulator assembly rather than loose carbon blocks. Specify the complete reference and connection arrangement before agreeing a replacement.

Can a standard starter brush be used in a stop-start application?

Only when the approved starter specification supports it. Identify the starter version and its original brush grade and assembly. A claimed cycle count from a different product is not evidence that a substitute meets that system's requirements.

Will an alternator brush change resolve unstable charging voltage?

The service provider should diagnose the charging system before selecting parts. Brush condition is one item to inspect under the maker's procedure, not a standalone diagnosis. Complete the required assembly and electrical checks before return to service.

How should quantities be stated for a starter or alternator brush order?

Identify whether the request is for individual brushes, a set, a brush plate or another specified assembly. Give the original reference and the required quantity in that unit. Confirm the quoted configuration so component counts are not confused with complete sets.

Customize Starter and Alternator Carbon Brushes

Discuss the material, geometry and assembly requirements for your custom Starter and Alternator Carbon Brush at 007Carbon.

Send a drawing, prototype sample details or a reference photo to start the discussion.