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3803703
CUMMINS
3803703 cylinder liner kit (KIT,CYLINDER LINER) is a professional integrated overhaul and repair kit customized for heavy-duty diesel engines. The complete kit includes precision-manufactured cylinder liner and supporting matching accessories, serving as core repair parts for solving engine cylinder wall failure problems. This cylinder liner repair kit effectively fixes common engine faults such as cylinder wall wear, scuffing, pulling, air leakage and insufficient compression pressure caused by long-term high-load operation. It thoroughly restores engine sealing performance, combustion efficiency and power output, providing reliable overall repair solutions for engine overhaul and routine maintenance.
1. High-Strength Cast Iron Liner Material: Adopts high-density alloy cast iron integral casting, featuring high hardness, strong pressure resistance and excellent thermal stability. It resists high-temperature combustion impact and piston friction wear, effectively extending engine service life.
2. Precision Inner Wall Machining: Adopts fine honing process for inner cylinder wall, with smooth and uniform surface and precise tolerance. It perfectly matches piston movement, reduces friction loss, improves combustion tightness and enhances engine working efficiency.
3. Complete Matching Kit Design: The integrated repair kit comes with fully compatible supporting parts, avoiding the trouble of separate parts matching. It ensures overall assembly consistency and greatly improves overhaul efficiency.
4. Excellent Heat Dissipation & Deformation Resistance: Optimized cylinder wall thickness and structural design ensures rapid and uniform heat dissipation in high-temperature working state. It effectively prevents liner deformation, cylinder distortion and air leakage under long-term high-load operation.
5. Anti-Corrosion & Anti-Aging Performance: Special surface treatment resists erosion of high-temperature gas, engine oil and coolant, avoiding corrosion and oxidation failure in harsh engine compartment environments, maintaining long-term stable working performance.
6. Standard Overall Specification: Strictly follows standard dimension of 26cm*16cm*16cm and 5.56KG weight, perfectly matching heavy-duty diesel engine assembly structure, supporting one-step direct replacement without secondary modification.
7. Strict Factory Batch Testing: Finished kits pass hydraulic pressure test, dimensional tolerance detection and high-low temperature aging test, with stable batch quality for engine overhaul stations and fleet bulk procurement.
- Part Number: 3803703
- English Name: KIT, CYLINDER LINER
- Product Name: Cylinder Liner Repair Kit
- Applicable Equipment: Heavy-duty Diesel Engines
- Overall Dimension: 26cm 16cm 16cm
- Product Weight: 5.56KG
- Main Material: High-strength wear-resistant alloy cast iron + matched overhaul accessories
- Working Temperature: -40℃ ~ +150℃
- Core Function: Repair worn cylinder wall, restore engine cylinder tightness, stabilize compression pressure, recover engine power performance
- Key Features: Wear-resistant, high temperature resistant, anti-deformation, good heat dissipation, complete accessories, easy overhaul installation
- Installation Position: Engine cylinder block assembly
- Package: Standard export carton with shockproof inner protection, independent fixed packaging to avoid extrusion deformation and surface damage
Widely applicable to heavy-duty trucks, construction machinery, mining equipment and diesel generator sets equipped with heavy-duty diesel engines. Ideal for engine overhaul maintenance, solving common failures such as power drop, excessive oil consumption, exhaust blue smoke and cylinder pressure insufficiency caused by cylinder liner wear. Suitable for high-intensity continuous operation and harsh working environments.
Please confirm part number 3803703 and engine model before ordering to ensure accurate compatibility. We support global bulk wholesale for auto parts distributors, engine overhaul workshops and engineering fleets with sufficient stock and competitive pricing. Professional engine assembly and debugging guidance are provided after sales.