Industrial 3009581 Cummins K38 K50 cylinder liner in stock. Centrifugal cast boron alloy resists cavitation and ring scuffing in Belaz 75306 mining haulers and large-scale gensets. Global shipping. Request quote!

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Quick Summary: Cummins K38/K50 Cylinder Liner

The Cummins K-series cylinder liner (OEM: 3009581) is a centrifugally cast boron-alloy component engineered for 38L/50L high-output engines.
It prevents outer-wall cavitation and ring scuffing in equipment including Belaz 75306 haulers, Komatsu 830E trucks, and C1500 D5 generator sets.
In stock for immediate global dispatch.

Cummins K38 Cylinder Liners: Essential for Extreme-Duty Engine Reliability

Ruich Value provides high-performance Cummins K38 cylinder liners, engineered to meet the rigorous demands of your K38 series engines. These critical components are vital for maintaining engine compression, optimizing heat transfer, and ensuring the long-term durability of your heavy-duty machinery. Our liners are manufactured with precision engineering, offering exceptional wear resistance and a perfect fit for applications in mining, marine, and power generation.

Invest in the technology leadership and robust performance of Ruich Value’s Cummins K38 cylinder liners. Designed to withstand the toughest operating conditions, our replacement solutions ensure your Cummins K38 engines deliver consistent power and extended service life. We supply both aftermarket and OEM-quality options, supporting distributors, rebuilders, and fleet operators worldwide with components that embody reliability and durability.

Engineering Specifications for Cummins K38/K50 Cylinder Liner

Specification Value
Product Type Cylinder Liner (Wet Type)
Material Grade Centrifugally Cast Boron Alloy Iron
Honing Process Cross-Hatch Precision Honing (Oil Retention)
Hardness Range 220-260 HB
Wall Thickness Reinforced for Extreme Mining Pressure
Pressure Tested 100% Hydraulic Leak Tested (8.0 Bar)
Anti-Corrosion Phosphate Coating Finish
OEM Reference 3009581
Cross Reference 3630653, 3630654, 4089901
Typical Applications Belaz 75306, Komatsu 830E, Cummins C1500 D5, Marine Tugs
Application Category Heavy Mining, Marine Propulsion & Industrial Power

Cummins K38 Engine Compatibility & Industrial Applications

Engine Model Application Field Typical Equipment Brands & Models
Cummins K38 Series Mining & Construction Komatsu, Caterpillar (Large Haul Trucks, Excavators)
Cummins QSK38 Series Marine Propulsion & Auxiliary Workboats, Tugs, Ferries (Marine Engines)
Cummins KTA38 Series Power Generation (Gensets) Cummins Power Generation (High-Capacity Generators)
Cummins K38 Heavy-Duty Oil & Gas Exploration Drilling Rigs, Frac Pumps (Industrial Power Units)

Why Choose Ruich Value for Your Cummins K38 Cylinder Liner Needs

  • Unrivaled Durability for Extreme Conditions: Our Cummins K38 cylinder liners are crafted from premium materials, designed to withstand the severe stresses of high-output, continuous-duty operations in demanding environments like mining and marine.
  • Precision Engineering for Peak Performance: Each liner is manufactured with meticulous precision engineering, ensuring an exact fit and optimal sealing within your K38 engine, crucial for maintaining peak compression and power output.
  • Comprehensive Supply of Finished & Semi-Finished Liners: Ruich Value offers a versatile selection of both finished and semi-finished Cummins K38 cylinder liners, providing flexible options for both standard replacements and specialized rebuilding projects.
  • Custom Development for Unique Requirements: We support custom development based on your specific technical drawings for Cummins K38 cylinder liners, offering tailored solutions for unique engine configurations or specialized applications.
  • Global Reliability & Performance Partner: Partner with Ruich Value for your Cummins K38 cylinder liner wholesale needs, benefiting from our commitment to reliability, performance, and a robust global supply chain that meets B2B demands.

Cummins Cylinder Liner Range

Ruich Value supplies a dedicated range of Cummins cylinder liners, including finished and semi-finished replacement options designed for optimal engine longevity. Please note that our online list is partial; customers must contact us directly for specific models and comprehensive availability.

Our category coverage extends to popular engine families such as K38, K50, K19, QSK series, and other heavy-duty Cummins applications.

Engine ModelPrimary OEM REFCross-Reference/SubstituteApplicable Engine Series (Notes)
3B/3BT39041663802370 / 3919937 (Varies by build)B-Series: 3B, 3BT, 4B, 4BT, 6BT, 6BTA
4B/4BT39041663802370 / 3919937 (Varies by build)B-Series: 4B, 4BT, 6BT, 6BTA
6BT39041663802370 / 3919937 (Varies by build)B-Series: 6BT, 6BTA, 4B, 4BT
6CT 39480953919937 / 3944344 / 3802407C-Series: 6C, 6CT, 6CTA, ISC, QSC 8.3L
L10/M11/LTA1038037033080760 / 3034816 / 3064627L/M-Series: L10, M11, LTA10, ISM11, QSM11
NT85530550993801826 / 3042763NT-Series: NT855, N14
NH2201844003055099 / 3801826 (Related to older N/NH/NT/NTA Series)N/NH Series
K1940092204024767 / 3028122 / 3202240K-Series: K19, KT19, KTA19, QSK19
K3830221573007525 / 3096685K-Series: K38, KTA38, QSK38

Technical Q&A: Cummins K38/K50 Cylinder Liner

Q1: What is the most common failure mode for K38/K50 cylinder liners?

A1: Symptom: Rapid oil consumption and water-in-oil contamination. Diagnosis: In high-output mining haulers (like Belaz 75306), the cylinder liner suffers from cavitation pitting on the outer water-side wall, eventually piercing the liner. Solution: Our 3009581 liners are centrifugally cast with an optimized boron microstructure that resists the high-frequency vibrations that drive cavitation, effectively extending liner life in extreme mining conditions.

Q2: What are the critical installation parameters for the 3009581 liner?

A2: Technical Detail: Protrusion height (liner height above engine block deck) must be verified between 0.05mm – 0.12mm. Pro-Tip: Always use new water-side seal rings. The heavy-duty nature of the K-series means that even a minor seal leak will trigger rapid corrosion of the outer liner wall due to the high-temp coolant environment.

Q3: Why does K38/K50 replacement require centrifugal casting?

A3: Diagnosis: Standard sand-cast liners contain impurities that lead to uneven wear and porous walls, which fail prematurely in massive mining engines. Our Solution: Centrifugal casting forces denser, higher-purity metal to the outside of the mold, creating a liner wall free of slag and voids. This ensures uniform cooling and prevents “hot spots” that would otherwise cause ring scuffing during full-throttle mining tasks.

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