Engineered from premium alloy gray cast iron for maximum thermal stability and extended operational life.
Precision cross-hatch honing ensures superior piston ring lubrication and minimal friction.
Direct-fit replacement designed for seamless, high-performance engine rebuilds.
Fully customizable dimensions to meet specific industrial and commercial equipment requirements.
When an engine operates under relentless pressure and extreme temperatures, the integrity of its internal components dictates its overall lifespan. Our high-performance diesel cylinder liners are meticulously cast to serve as the unyielding foundation for heavy-duty engines. Running your fingers along the inner wall reveals a masterfully machined cross-hatch pattern, a tactile testament to the precision honing process that guarantees optimal oil retention and minimizes piston friction. This smooth yet meticulously textured surface translates directly into quieter engine operation, significantly reduced oil consumption, and a noticeable restoration of lost compression.
Beyond the flawless metallic finish, the heavyweight feel of the premium alloy cast iron speaks volumes about its structural density. This advanced material is specifically formulated to absorb and efficiently dissipate the intense heat generated during combustion, preventing warping or dimensional distortion even when equipment is pushed to its absolute limits. The exterior features a distinct, protective red anti-rust coating, visually assuring that the component remains pristine and corrosion-free from the moment it leaves our manufacturing facility until it is securely seated within the engine block. By choosing these precision-engineered sleeves, fleet operators and repair facilities can execute cost-effective, comprehensive engine rebuilds that breathe new life into aging machinery, avoiding the staggering costs associated with complete block replacements while achieving factory-level performance.
All could be customized by clients' requirement
Item No. | Engine Model | OE Number | Inner Diameter (mm) | Outer Diameter (mm) | Total Length (mm) |
|---|---|---|---|---|---|
C190 | 4 Cylinder | 8-97176-659-0 | 86.0 | 88.0 | 163.0 |
C240 | 4 Cylinder | 8-97176-896-0 | 86.0 | 88.0 | 178.0 |
C223 | 4 Cylinder | 8-97176-675-0 | 88.0 | 90.0 | 163.0 |
4JC1 | 4 Cylinder | 8-97915-325-0 | 88.0 | 90.0 | 156.0 |
4JA1 | 4 Cylinder | 8-97176-691-0 | 93.0 | 95.0 | 156.0 |
4JB1 | 4 Cylinder | 8-97176-683-0 | 93.0 | 95.0 | 181.0 |
4JG1/4JG2/4JH1 | 4 Cylinder | 8-97176-699-0 / 8-94456-791-0 | 95.4 | 97.0 | 178.0 |
4BC1/4BC2 | 4 Cylinder | 8-97176-707-1 | 102.0 | 105.0 | 187.0 |
4BD1/4BB1/6BD1/6BB1 | 4/6 Cylinder | 1-11261-240-0 | 102.0 | 105.0 | 204.0 |
4BE1 | 4 Cylinder | 8-97176-715-0 | 105.0 | 107.0 | 187.0 |
4BGI/4BF1/6BGI/6 | 6 Cylinder | 1-11261-248-0 | 105.0 | 107.0 | 203.0 |
Our cylinder liners are engineered to deliver uncompromising reliability and efficiency. Every design element is carefully calibrated to address the most common points of failure in heavy-duty diesel engines, ensuring a seamless rebuild process and long-lasting operational excellence.
Premium Alloy Cast Iron Material: Features a uniform grain structure and high-quality composition that delivers exceptional tensile strength, durability, and rapid heat dissipation during intense combustion cycles.
Precision Cross-Hatch Honing: The meticulously machined inner surface boasts a cross-hatch finish that traps the perfect amount of oil, ensuring proper piston ring lubrication while drastically minimizing metal-on-metal wear.
Heat-Treated Hardened Structure: Advanced surface hardening and heat treatment processes significantly enhance the liner's resistance to scuffing and maintain strict dimensional stability under thermal stress.
Tight Dimensional Tolerances: Fully CNC-machined to exacting inner diameter, outer diameter, and length specifications, guaranteeing a drop-in perfect fit that eliminates compression leaks.
Protective Red Anti-Rust Coating: The exterior is sealed with a robust red coating that actively prevents rust and corrosion from engine fluids during storage, handling, and installation.
The lifespan of critical engine components is heavily dependent on the quality of the base materials. We utilize premium alloy gray cast iron, enriched with specific elements like boron and vanadium-titanium, to create a foundation of unparalleled strength. This advanced metallurgical composition is specifically formulated to withstand the punishing environment of continuous piston friction and extreme combustion temperatures, ultimately extending the interval between major engine overhauls.
Exceptional Wear Resistance: The high-density cast iron matrix resists the abrasive forces of piston rings, preventing premature scoring and maintaining optimal cylinder pressure.
Superior Thermal Conductivity: Rapidly transfers heat away from the combustion chamber to the engine coolant, preventing localized hot spots and thermal cracking.
High Tensile Strength: Withstands the immense physical pressures of diesel combustion without deformation or structural failure.
Extended Overhaul Cycles: By minimizing internal wear, these sleeves significantly increase the operational hours before another rebuild is required, maximizing equipment uptime.
Achieving a flawless fit requires an uncompromising commitment to manufacturing excellence. Our production facilities leverage state-of-the-art centrifugal casting and advanced CNC machining to ensure every dimension is exact. The critical inner wall undergoes a specialized cross-hatch honing process, a technique that creates microscopic grooves designed to retain lubricating oil perfectly, thereby reducing friction and preventing catastrophic engine seizures.
Centrifugal Casting Technology: Ensures a uniform, dense metal structure free from porosity or casting defects, resulting in a stronger, more reliable component.
Micro-Precision Honing: The engineered cross-hatch pattern optimizes oil film retention, providing a crucial barrier between the piston rings and the cylinder wall.
Strict Tolerance Control: CNC machining guarantees that inner and outer diameters, as well as total lengths, adhere strictly to OEM specifications for a seamless installation.
Leak-Proof Assembly: The flawless geometric accuracy ensures a perfect seal within the engine block, completely eliminating the risk of gas blow-by or fluid leakage.
To combat the harsh chemical and thermal environments inside a diesel engine, our liners undergo rigorous surface enhancement protocols. We employ advanced heat treatments and protective coatings that fortify the metal against both internal mechanical stress and external environmental degradation. This dual-layer protection strategy guarantees that the component performs flawlessly from the shelf to the engine block.
Internal Surface Hardening: Specialized heat treatments, such as nitriding or phosphating, dramatically increase the hardness of the inner bore, providing superior resistance against cylinder scoring and scuffing.
External Anti-Corrosion Coating: A durable red anti-rust coating is meticulously applied to the exterior, shielding the metal from corrosive coolants and environmental moisture.
Oxidation Prevention: The protective layers prevent oxidation during long-term warehouse storage, ensuring the product arrives in pristine, ready-to-install condition.
Chemical Resistance: The treated surfaces repel the acidic byproducts of diesel combustion, preserving the structural integrity of the sleeve over thousands of operating hours.
Delivering a zero-defect product is the cornerstone of our manufacturing philosophy. Every single unit is subjected to a battery of exhaustive tests before it is approved for dispatch. Operating under strict ISO 9001 and TS16949 quality management systems, our inspection protocols leave no room for error, ensuring that every component meets or exceeds stringent international industry standards.
Chemical Composition Analysis: Raw materials are rigorously tested in our metallurgical labs to verify the exact alloy ratios required for maximum strength.
Dimensional & Roundness Checks: Utilizing advanced Coordinate Measuring Machines (CMM), we verify that every curve and measurement aligns perfectly with the required tolerances.
Surface Hardness Verification: Dedicated hardness testers confirm that the heat-treated surfaces possess the exact durability needed to resist severe mechanical wear.
Hydrostatic Pressure Testing: Optional rigorous leak and pressure tests simulate real-world engine conditions to guarantee absolute structural integrity and fluid containment.
Versatility and exact fitment are paramount for efficient fleet maintenance and equipment repair. Our extensive catalog of diesel cylinder liners is engineered as direct-fit replacements for a vast array of engine models. Whether you are servicing a compact industrial generator or a heavy-duty commercial truck, these components drop seamlessly into the original engine block, instantly restoring lost compression and factory-level efficiency.
Broad Engine Coverage: Fully compatible with a wide spectrum of models, including C190, C240, 4JB1, 6HK1, and numerous others, ensuring you find the exact match for your machinery.
Direct OE Replacement: Designed to mirror exact Original Equipment specifications, eliminating the need for modifications or specialized installation tools.
Multi-Industry Application: Proven performance across diverse sectors, powering light to medium-duty trucks, excavators, forklifts, marine vessels, and heavy agricultural tractors.
Cost-Effective Restoration: Provides a highly reliable and economical alternative to full engine block replacement, significantly reducing maintenance budgets.
We understand that standard specifications do not always meet the unique demands of specialized industrial projects. As a responsive manufacturing partner, we offer comprehensive OEM and ODM services, translating your technical drawings or physical samples into high-precision, custom-engineered components. Coupled with our robust warranty program, we provide a risk-free procurement experience designed to foster long-term operational success.
Bespoke Engineering Solutions: Our technical team can produce non-standard sizes and custom alloy compositions tailored precisely to your specific operational requirements.
Rapid Prototyping: From initial concept to physical sample, our agile manufacturing process ensures swift development of custom components.
Comprehensive 12-Month Warranty: Every liner is backed by a solid one-year guarantee against manufacturing defects, providing total peace of mind.
Dedicated Technical Support: Our experienced engineers are available to assist with compatibility verification, installation guidance, and troubleshooting.
The journey from our factory floor to your assembly line is safeguarded by our meticulous packaging and logistics strategies. We recognize that heavy, precision-machined metal parts are vulnerable to transit damage and maritime humidity. Therefore, we utilize robust, export-grade packaging solutions that guarantee your components arrive in immaculate condition, ready for immediate deployment.
Export-Grade Protection: Products are securely housed in fumigation-free wooden cases or reinforced cartons, providing maximum protection against physical impacts during transit.
Moisture-Proof Sealing: Each unit is individually wrapped with anti-rust paper and sealed in moisture-barrier bags to prevent oxidation during long ocean freight journeys.
Customizable Branding: We offer flexible packaging options, including neutral boxing or custom-branded packaging featuring your company's logo and part numbers.
Reliable Lead Times: With an optimized production schedule, we ensure stable delivery windows, facilitating efficient inventory management and uninterrupted supply chains.
Selecting the right manufacturing partner is critical for maintaining the reliability of your machinery and the profitability of your operations. We operate as a fully integrated industry and trade enterprise, combining independent factory production with robust global export capabilities. Our commitment to technical excellence, rigorous quality control, and customer-centric service makes us the preferred source for premium engine components worldwide.
Integrated Manufacturing & Trade: By controlling the entire process from design and casting to final dispatch, we eliminate middlemen, ensuring direct factory supply and highly competitive pricing.
Advanced Technical Strength: Our state-of-the-art facilities and experienced engineering teams possess the capability to realize your most complex customized ideas and OEM requirements.
Uncompromising Quality Systems: Adherence to strict international quality standards guarantees the high-standard delivery of every single batch, ensuring consistency across large-scale orders.
Customer-Centric Approach: We provide end-to-end, high-quality service, from initial technical consultation and rapid quoting to seamless logistics and responsive after-sales support.
Long-Term Partnership Focus: Our ultimate goal is mutual growth; we strive to be a trusted, win-win partner that enhances your market competitiveness and operational efficiency.
Review our comprehensive FAQ section to find detailed answers regarding the technical specifications, compatibility, and installation of our premium engine components.
Q1: What is the primary function of a cylinder liner, and why is material selection so critical?
A1: A cylinder liner acts as the inner wall of the engine block, housing the piston and containing the combustion process. Material selection is critical because the liner must withstand extreme heat, immense pressure, and constant friction. Our premium alloy gray cast iron offers the exact balance of thermal stability, wear resistance, and structural integrity required to prevent premature engine failure.
Q2: How does the cross-hatch honing process improve engine performance?
A2: The cross-hatch honing creates a precise micro-texture on the inner bore. These microscopic grooves act as tiny reservoirs that hold lubricating oil. This ensures a continuous protective oil film between the piston rings and the liner wall, drastically reducing friction, preventing scuffing, and maintaining a tight seal for maximum compression.
Q3: Are these components suitable for direct OE replacement during an engine overhaul?
A3: Yes, absolutely. Our liners are CNC-machined to exact Original Equipment dimensional tolerances. This means they function as direct drop-in replacements for worn or damaged original sleeves, allowing for a complete restoration of engine performance without the need to replace the entire, costly engine block.
Q4: Can you accommodate custom dimensions for non-standard or modified engines?
A4: We possess strong OEM and ODM capabilities. If your project requires non-standard inner diameters, outer diameters, lengths, or specific material compositions, our engineering team can manufacture custom components based directly on your technical drawings or physical samples.
Q5: What measures are taken to prevent rust and damage during international shipping?
A5: We employ rigorous export packaging protocols. Each unit receives a protective anti-rust coating, is wrapped in Volatile Corrosion Inhibitor paper, and sealed in moisture-proof bags. The components are then securely packed in heavy-duty, fumigation-free wooden cases to ensure they arrive at your facility in pristine condition, regardless of transit time.
Q6: What is the standard warranty period, and what does it cover?
A6: We stand behind the quality of our manufacturing with a comprehensive 12-month warranty. This covers any defects in materials or workmanship under normal operating conditions, provided the components are installed and maintained according to standard professional practices.
