China Cummins Piston Manufacturers Suppliers Factory - Cummins Piston Made in China

Cummins Piston Product Page

Cummins pistons are critical engine components used in heavy-duty diesel power systems where durability, dimensional accuracy, and combustion performance are paramount. Backed by over 15 years of manufacturing excellence and produced in facilities compliant with ISO 9001 and IATF 16949 standards, our Cummins piston solutions support engine repair, overhaul, remanufacturing, and replacement parts supply for commercial vehicles, construction equipment, generator sets, and industrial diesel applications.

Each piston is produced according to stringent OEM-level specifications to ensure proper fitment with cylinder liners, piston rings, connecting rods, and combustion chamber systems.

Piston for Cummins NTA855 Engine
Yuwei Piston 375 HP (Model: 3957795) is a dedicated core power component for Cummins NTA855 series engines. It undertakes the key functions of sealing the combustion chamber, transmitting power and conducting heat, and can directly...
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Piston for Cummins M11 Engine
Yuwei Piston 5258754 (ISF 3.8 specification) is a dedicated core component for Cummins M11 series diesel engines. adopts high-quality raw materials and precision craftsmanship, and can directly replace original parts. It solves the pain...
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Piston for Cummins 5.9L ISB Engine
Yuwei Piston ISF 2.8 (Model: 4995266) is a high-quality core component specially designed for Cummins 5.9L ISB series engines. It accurately matches the power transmission and sealing requirements, and is a key component for the...
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Piston for Cummins 6CT8.3 Engine
Yuwei Piston 3923537 (230HP) is a core power component specially designed for Cummins 6CT8.3 series diesel engines. As a key part of the engine "heart", it bears the core responsibilities of withstanding gas pressure, transmitting power...
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Piston for Cummins 6CTA8.3 Engine
Yuwei Piston 3919565 (240HP) is a core power component specially developed for Cummins 6CTA8.3 diesel engines. It is made of high-quality alloy steel through precision forging, complying with ISO 9001 and TS 16949 quality standards....
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Piston for Cummins 6CTAA8.3 Engine
Yuwei Piston 3925878 is a core power component specially designed for Cummins 6CTAA8.3 engine, compatible with 260HP rated power. It is a key reciprocating part in the engine cylinder, undertaking gas pressure and transmitting power to...
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Piston for Cummins 6CT Natural Gas Engine
Yuwei Piston 3992118 is a core power component specially developed by Yuwei for Cummins 6CT series natural gas engines. It perfectly matches the working characteristics of natural gas engines, with strict bench and field tests. It can...
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Supported Cummins Engine Platforms

To help global clients quickly identify matching parts, we supply pistons covering a wide range of light, medium, and heavy-duty Cummins engine series:

Series	Common Engine Models	Typical Applications
Light and Medium Duty	ISF2.8, ISF3.8, 4B3.9, 6B5.9, 6C8.3, ISC, ISL	Light trucks, delivery vans, small generators
Heavy Duty	M11, ISM, ISX15, QSX15, NTA855	Heavy-duty line-haul trucks, heavy transport
Off-Highway and Industrial	KTA19, KTA38, KTA50, QSK19, QSK45	Mining machinery, large excavators, industrial power

Cummins Piston Product Overview

A piston transfers combustion force generated inside the cylinder into mechanical movement through the connecting rod. During operation, it experiences continuous exposure to:
High combustion temperatures
Extreme pressure loads
Repeated reciprocating movement
Friction between moving surfaces

For diesel engines, piston performance directly affects:
Compression efficiency
Fuel combustion stability
Engine power output
Oil consumption
Operating reliability

Core Product Features

Engine-Specific Fitment and OEM Interchangeability

Pistons are meticulously matched according to:

Engine model and part number.

Cylinder configuration and bore size.

Stroke specification and compression height.

Piston pin dimensions and ring groove profiles.

Accurate matching reduces installation risks, prevents blow-by, and ensures optimal engine performance after overhaul.

Durable Aluminum Alloy Construction

Engine pistons require materials capable of handling thermal expansion, combustion pressure, and mechanical stress. Our pistons utilize high-grade eutectic and hypereutectic aluminum alloys, offering:

Lightweight structure to reduce reciprocating inertia.

Excellent thermal conductivity for heat dissipation.

Superior resistance to thermal deformation (crown cracking prevention).

Optimal strength-to-weight ratio under heavy loads.

Precision Machined Components

Critical piston areas undergo rigorous CNC machining and finishing, including:

Optimized piston crown profile (combustion bowl design).

Skirt profile and graphite coating (to reduce friction and scuffing).

Precision-honed pin bores.

Micro-finished ring grooves (accommodating top-tier piston rings).

Cummins Piston Specifications

Specification	Details
Product Type	Heavy-Duty Diesel Engine Piston
Engine Brand	Cummins (Aftermarket and Replacement OEM Grade)
Application	Commercial Truck, Construction Machinery, Generator, Industrial Engine
Material	High-Grade Aluminum Alloy (Eutectic / Hypereutectic)
Manufacturing Process	Precision Casting / Forging / CNC Machining
Surface Treatment	Anodized crown, graphite-coated skirt (Model-dependent)
Matching Parts Available	Piston Rings, Piston Pins, Circlips, Cylinder Liners
Quality Certification	Manufactured under ISO 9001 and IATF 16949 standards
Warranty	12 Months / 100,000 Kilometers Performance Warranty
Supply Form and Customization	Individual Piston / Complete Piston Kit; Customization based on drawings/samples

Applications by Industry

Shanghai Jwell machinery Workshop co-operation projects

Commercial Vehicle Engines

Used in: Heavy trucks, transport vehicles, fleet service vehicles.
Requirements: High mileage durability, stable thermal performance, reliable replacement supply.

Construction Equipment Engines

Used in: Excavators, loaders, mining machinery, heavy engineering equipment.
Requirements: High resistance to heavy load operations, long working cycles, structural robustness.

Diesel Generator Engines

Used in: Backup power systems, industrial power generation, continuous operation equipment.
Requirements: Reliable combustion performance, extended operating hours, consistent batch quality.

Rigorous Manufacturing and Quality Control

To ensure zero-defect delivery for global fleets and partners, our production follows strict quality gates:

Material Inspection

Incoming raw alloys are verified for chemical composition, micro-structure consistency, and mechanical tensile properties via spectral analysis.

Machining Control

In-process dimensional checks control pin bore tolerance, crown thickness, ring groove parallelism, and skirt diameter.

Final Inspection and Packaging

Before shipment, pistons undergo visual surface checks, precise weight-matching (for balanced engine sets), dimension verification, and export-grade anti-rust packaging.

Why Global Clients Choose Us

Technical Matching Support

Our engineering team assists with cross-referencing part numbers, engine specs, drawings, or physical samples to eliminate compatibility errors.

Reliable Spare Parts Supply

Stable production capacity supports repeat orders, large volume purchasing, emergency fleet repair demands, and long-term partnerships.

Comprehensive Warranty

Backed by our performance warranty and dedicated after-sales technical support.

Cummins Piston Buying Guide: How to Order

To get an accurate quotation within 24 hours, please provide:

Engine Information

Engine model (e.g., ISF2.8, ISM11, 6BT), application equipment, and part number if available.

Technical Dimensions

Bore size, compression height, pin diameter, and ring groove layout (if ordering non-standard or modified parts).

Quantity and Kit Requirements

State whether you need individual pistons, complete piston kits (with rings and pins), trial quantities, or bulk container orders.

Frequently Asked Questions

Q: What engines are Cummins pistons used for?

A: They are engineered for a comprehensive range of Cummins diesel engines powering heavy trucks, construction equipment, marine vessels, generator sets, and industrial machinery.

Q: Do you provide complete piston kits?

A: Yes. We can supply pistons individually or as complete piston assemblies, including matching piston rings, piston pins, and retainers (circlips) tailored to your overhaul requirements.

Q: Can you manufacture pistons based on custom samples or drawings?

A: Yes. With our technical capabilities, we can evaluate and produce pistons according to customer-provided samples, blueprints, or specific performance modifications.

Q: What quality certifications do your manufacturing facilities hold?

A: Our production is managed under strict quality systems, operating in compliance with ISO 9001 and IATF 16949 standards to ensure batch-to-batch consistency.

Q: What is the standard delivery time for bulk orders?

A: Standard stock items can be dispatched within 7 to 15 days, while custom or large production runs typically take 25 to 35 days depending on the volume and specification complexity.

As one of the most professional cummins piston manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to buy customized cummins piston made in China here from our factory. Also, quotation is available.

230HP, ISF 3 8, 3923537