Yuwei Piston 5258754 (ISF 3.8) Product Details (Fits Cummins M11 Engine)
I. Product Introduction
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 points of traditional pistons such as easy wear and poor sealing, provides guarantee for the stable and efficient operation of the engine, and is widely used in trucks, construction machinery, generator sets and other equipment.
II. Product Positioning
Its core positioning is a high-end adaptive piston dedicated to Cummins M11 engines, focusing on the mid-to-high-end market, balancing cost performance and reliability. It serves equipment users, maintenance service providers and large fleet operating enterprises, featuring "OE-level adaptation, affordable price and full guarantee", and is the preferred choice for maintenance and upgrading of accessories for this engine model.
III. Model Adaptation
(I) Core Adaptable Models
1. Piston Model: Yuwei 5258754 (ISF 3.8), compatible with original parts and homologous models of the same specification, and can be supplementarily adapted to pistons of the same series such as 5262760;
2. Adaptable Engines: Full series of Cummins M11, compatible with ISF 3.8 and QSF3.8 series, covering multiple batches of models since 2002, suitable for various related commercial vehicles and engineering equipment;
3. Key Parameters: Piston diameter 102mm, key dimensions meet OE standards with extremely high precision, accurately matching cylinder blocks, piston rings and other components, and can be directly installed.
(II) Adaptation Notes
1. Confirm that the engine is of Cummins M11 series and check the specification and batch before installation;
2. It is a dedicated model, not applicable to non-adaptable engines to avoid failures;
3. It is recommended to replace piston rings (adaptable to models such as 3943447) and piston pins together to ensure performance.
IV. Product Advantages
Precise Adaptation and Easy Installation
Produced according to original factory drawings and subject to precision inspection, it can be directly installed without modification. It has passed relevant quality certifications, avoiding failures caused by adaptation deviations and saving maintenance costs.
01
High-Quality Material and Strong Durability
Adopting high-strength alloy cast iron and special heat treatment, it is high-temperature resistant and wear-resistant. The piston head is equipped with an internal cooling oil channel, and the piston skirt is specially treated. Its service life is more than 30% longer than that of ordinary pistons, meeting the engine durability standards.
02
Excellent Sealing, Energy Saving and Consumption Reduction
Optimized top design with precision ring grooves ensures excellent sealing performance, reduces gas and engine oil loss, improves power, complies with relevant emission standards, and lowers operation and maintenance costs.
03
Stable Quality and Worry-Free After-Sales Service
Full-process quality control ensures a pass rate of over 99.8%. It provides 12-month quality guarantee, professional after-sales team support, and the delivery cycle is 3-7 working days.
04
High Cost Performance and Controllable Cost
Its quality is comparable to original parts, but the price is only 60%-80% of that of original parts. It has a long service life and low failure rate. Preferential policies are available for bulk purchase, greatly reducing operation and maintenance costs.
05
V. Installation and Maintenance
(I) Installation Points
1. Clean the cylinder block and check the parts before installation to ensure no impurities or damage;
2. Install piston rings with special tools, paying attention to the direction and gap standards;
3. Apply engine oil to the piston and piston pin before installation, ensure correct direction and firm circlips, and slowly push the piston into the cylinder block;
4. Check the operation after installation, and put it into use if there is no abnormality in the test run.
(II) Daily Maintenance
1. Check engine oil weekly and troubleshoot abnormal exhaust gas monthly;
2. Use high-quality and adaptable fuel and engine oil, and eliminate illegal operations;
3. Avoid long-term high-load operation of the engine and standardize the start-stop process;
4. Replace filters regularly according to the manual to keep the engine clean;
5. Stop the machine for maintenance in time if there is a piston-related failure, and do a good job in rust prevention when stored for a long time.
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