What are the shipping timelines?

Shipping to EU takes 5-7 business days, while APAC takes 20-40 business days. Free shipping is available on orders over $500.

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We accept LC, T/T, Western Union, PayPal, D/P, and small-amount payments.

Motorcycle Cylinder Parts Piston Cylinder Kit Motorcycle Kit CT41.8 Piston High-Performanc

Name: Motorcycle Cylinder Parts Piston Cylinder Kit Motorcycle Kit CT41.8 Piston High-Performanc
Brand: Rui'an Chengtai Piston Manufacturing Co., Ltd.
SKU: 2284379505

Zhejiang, ChinaRui'an Chengtai Piston Manufacturing Co., Ltd.

US$7.30

10 Pieces

Product specifications

STD

Sample price:US$10.00/set.Request sample

Product profile

Customization

Available

After-sales Service

12-Month Quality Guarantee. Free Replacement or Re

Warranty

12-Month Quality Guarantee. Free Replacement or Re

Model NO.

CT41.8

Type

Motorcycle Engine Assembly

Start

Electric/Kick

Cylinder NO.

1 Cylinder

Stroke

Four Stroke

Cold Style

Air-Cooled

Energy Transformation

Power Machine

Certification

CCC, ISO9001：2000

Thermal Machine

Internal Combustion Type

Four Stroke Principle

Combustion and Expansion of Power Stroke

Main Market

South America

Cylinder Number

Cylinder Bore

41.8mm

Total Height

35mm

Comp Distance

Ring

1.0*1.0*1.5

Transport Package

Neutral Carton with Foam Inside for Shock Protecti

Specification

Trademark

Origin

Zhejiang

HS Code

84099199

Production Capacity

100000pieces/Year

Key features

High-Silicon Aluminum Alloy: Made of Al-Si for excellent wear resistance and thermal conductivity.

Complete Piston Kit: Includes piston, rings, pin, and circlips ready for direct installation.

12-Month Quality Guarantee: Free replacement or repair for all mechanical defects within one year.

OEM and ODM Services: Full customization available from samples, designs, or minor adjustments.

Sustainable Packaging: 100% recyclable carton materials with plastic-neutral practices.

Free Shipping Threshold: Free shipping on orders over $500 with damage protection included.

Global Warehouse Network: Warehouses in US, Germany, and Singapore ensure efficient delivery.

100% Quality Inspection: Function and visual inspection performed on all finished products.

Company profile

High Repeat Buyers ChoiceSelf-brandedPatents AwardedExhibition Experience

Rui'an Chengtai Piston Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 1 Year CertifiedNearest Port: Ningbo PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and ODM/OEM capabilities, with evidence of new product development in the past year and service to domestic, maintenance, and multiple overseas markets. Production-related information indicates three production lines, 50 quality-control staff, in-stock capability, approximately one-month lead times in both peak and off-season, and a broad product range. Quality assurance is reported, and finished-product inspection follows written instructions. However, the supplier has no stated supplier-management-system certification, no approved-supplier list, no written complaint-handling or corrective/preventive-action records, no overseas warehouse, showroom, agents, or branches, and no valid manufacturing contract with associated subcontractors. Financial information is represented only by years, without sufficient substantive evidence to assess credibility.

Supplier typeThe supplier is presented as a manufacturing company producing piston products, with approximately 500 models and more than 1,000 specifications. It operates three production lines, has CNC-related facility information, and serves domestic, maintenance, host-supporting, and overseas markets, indicating a product manufacturer rather than a service-only supplier.

After-Sales capabilityThe supplier has in-stock service capability and accepts multiple quotation and payment terms, with stated one-month lead times in both peak and off-season. However, it has no written complaint-handling procedures or records, no written corrective/preventive-action procedures or records, no overseas warehouse, showroom, agents, or branches, and no approved-supplier list, indicating significant gaps in documented and overseas after-sales support.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and offers customization from samples, designs, full customization, minor customization, and flexible customization. It has no available SDK, but the provided evidence still supports active product-development and design capability.

Production capacityProduction evidence includes three production lines, 50 quality-control staff, four quality-assurance/control inspectors, in-stock capability, a product range of about 500 models and over 1,000 specifications, and one-month average lead times in both seasons. Quality assurance is reported and finished-product inspection follows written, uniformly applied instructions; however, there is no valid contract with associated subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad customization coverage.

Product Q&A

Q:Is the CT41.8 piston compatible with my motorcycle model?

The CT41.8 piston is designed for 50cc displacement engines with a 39mm bore size. Please confirm your engine model and bore diameter before ordering; we also support OEM customization for specific fitment requirements.

Q:What material is the CT41.8 piston made of?

It is made of high-silicon aluminum alloy (Al-Si), which offers excellent wear resistance, thermal conductivity, and lightweight performance, effectively extending engine service life.

Q:Does the product come with a complete kit?

Yes, the CT41.8 piston kit includes 1 piston, 1 set of piston rings (2 compression rings + 1 oil control ring), 1 piston pin, and 2 circlips, ready for direct installation.

Q:What is the warranty period?

We provide a 12-month quality guarantee with free replacement or repair for all mechanical defects.

Q:What is the minimum order quantity?

The minimum order quantity is 2000 pieces.