Centrifugally cast 3904166 Cummins 6CT 8.3L cylinder liner. High-tensile boron alloy ensures maximum wear resistance for Komatsu PC300-6 and Liugong CLG856 excavators. Precision-honed for optimal ring seal integrity. Request quote!
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The Cummins 6CT 8.3L cylinder liner (OEM: 3904166) is a centrifugally cast boron-alloy component engineered for heavy-duty industrial endurance.
It prevents cavitation pitting and ring scuffing in equipment including Komatsu PC300-6 excavators, Liugong CLG856 loaders, and Sany SY335 machines.
In stock for global wholesale dispatch.
Ruich Value offers precision-engineered Cummins 6CT cylinder liners, crucial components designed to restore and maintain the optimal performance and durability of your heavy-duty Cummins 6CT engines. Our liners are manufactured to exacting specifications, ensuring a perfect fit and reliable operation under demanding conditions. We provide robust aftermarket and OEM replacement solutions, catering to the needs of distributors, rebuilders, and fleet managers seeking consistent quality and exceptional value.
Experience the performance and reliability that comes with a high-quality cylinder liner. These components are vital for protecting the engine block and piston assembly, facilitating efficient heat transfer, and ensuring proper compression. Ruich Value’s commitment to precision engineering and technology leadership means you receive a product that contributes directly to the longevity and efficiency of your Cummins 6CT power units.
| Specification | Value |
|---|---|
| Product Type | Cylinder Liner (Wet Type) |
| Casting Material | Centrifugally Cast Boron Alloy Iron |
| Honing Process | Cross-Hatch Precision Honing |
| Hardness Range | 210-250 HB (Internal Surface) |
| Wall Thickness | Reinforced for High-Load Duty Cycle |
| Pressure Tested | 100% Hydraulic Leak Tested (8.0 Bar) |
| Anti-Corrosion | Phosphate Coating Finish |
| OEM Reference | 3904166 |
| Cross Reference | 3904164, 3919632, 3904631 |
| Typical Applications | Komatsu PC300-6, Liugong CLG856, Sany SY335, Dongfeng Trucks |
| Application Category | Heavy Construction, Mining & Earthmoving |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| Cummins 6CT Series | Heavy-Duty Trucks & Buses | Dongfeng, Foton, Higer, King Long, Yutong |
| Cummins 6CTA Series | Construction Equipment | Komatsu, Hyundai, Sany, Zoomlion (Excavators, Loaders) |
| Cummins 6CTAA Series | Agricultural Machinery | Foton Lovol (Tractors, Harvesters) |
| Various Cummins 6CT Variants | Power Generation (Gensets) | Cummins Onan, Stamford, Leroy Somer (Generators) |
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 NT855, KTA, M11, ISX, and of course, the 6BT/6CT/ISB series.
| Engine Model | Primary OEM REF | Cross-Reference/Substitute | Applicable Engine Series (Notes) |
|---|---|---|---|
| 3B/3BT | 3904166 | 3802370 / 3919937 (Varies by build) | B-Series: 3B, 3BT, 4B, 4BT, 6BT, 6BTA |
| 4B/4BT | 3904166 | 3802370 / 3919937 (Varies by build) | B-Series: 4B, 4BT, 6BT, 6BTA |
| 6BT | 3904166 | 3802370 / 3919937 (Varies by build) | B-Series: 6BT, 6BTA, 4B, 4BT |
| 6CT | 3948095 | 3919937 / 3944344 / 3802407 | C-Series: 6C, 6CT, 6CTA, ISC, QSC 8.3L |
| L10/M11/LTA10 | 3803703 | 3080760 / 3034816 / 3064627 | L/M-Series: L10, M11, LTA10, ISM11, QSM11 |
| NT855 | 3055099 | 3801826 / 3042763 | NT-Series: NT855, N14 |
| NH220 | 184400 | 3055099 / 3801826 (Related to older N/NH/NT/NTA Series) | N/NH Series |
| K19 | 4009220 | 4024767 / 3028122 / 3202240 | K-Series: K19, KT19, KTA19, QSK19 |
| K38 | 3022157 | 3007525 / 3096685 | K-Series: K38, KTA38, QSK38 |
A1: Symptom: Blow-by gases in the crankcase and excessive lubricating oil consumption. Diagnosis: In 30-ton class excavators like the Komatsu PC300-6, external water-side cavitation pitting is a primary concern. Solution: Our 3904166 liners utilize a refined boron microstructure produced by centrifugal casting, creating a dense, non-porous outer wall that resists cavitation erosion and vibration-induced pitting.
A2: Technical Detail: Liner protrusion height (above block deck) must be verified between 0.03mm – 0.10mm. Pro-Tip: Never install these liners without cleaning the block counterbore seat. Any dirt or oxidation on the seat causes the liner to tilt, leading to head gasket failure within the first few operating hours.
A3: Diagnosis: Construction machinery engines experience high-RPM scuffing and extreme thermal expansion/contraction cycles. Our Solution: Boron-alloyed iron provides superior surface hardness and thermal stability. It maintains the critical cross-hatch honing pattern under extreme load, ensuring that piston rings form a perfect seal, which is necessary to maintain full power in excavators and heavy loaders.
For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business