Yuwei Piston (Suitable for Weichai WP12 Engine) Product Details
I. Product Introduction
Yuwei Piston is specially designed for Weichai WP12 engine, including four core models: 612630020152, 1000076563, 612600030108 (for WD615.67) and 612600030116. As a core cylinder component, it transmits power, seals gas and conducts heat, directly affecting engine performance and service life. Complying with Weichai's original standards, it fits WP12 engines perfectly, suits heavy-load scenarios (commercial vehicles, construction machinery), and is ideal for original replacement and maintenance.
II. Product Positioning
Yuwei Piston is a high-end exclusive accessory for Weichai WP12 engine, focusing on heavy-load and long-term high-load needs with good professionalism, reliability and cost-effectiveness. It applies to auto repair shops, logistics/engineering fleets and engine renovation. With "original quality, accurate fit and durability", it meets WP12's high-performance requirements (316-360kW, 2200N·m, National VI) and becomes a benchmark accessory.
III. Model Adaptation
All Yuwei Pistons fit Weichai WP12 engine perfectly, with no additional modification needed. Specific model adaptation:
612630020152
Fits 375HP/430HP WP12 engine, common for maintenance.
1000076563
Universal for all WP12 engines, ideal for 430HP/460HP high-end models.
612600030108
Exclusive for WP12 engine (WD615.67 model).
612600030116
Fits 336-480HP WP12 engines, compatible with National VI emission models.
Note: All models follow Weichai's original drawings, with precise size and 10g weight difference for each piston set to ensure balance.
IV. Product Advantages
Yuwei Piston has obvious advantages over ordinary pistons for WP12's high-load needs:
High-quality Material
High-strength cast aluminum alloy, heat/pressure-resistant (up to 400℃), lightweight and anti-deformation.
Optimized Structure
"ω" combustion chamber (fuel-saving), internal cooling oil channel, graphite-coated skirt (low friction).
Precise Fit
Strictly produced to Weichai's standards, matching cylinder liner, piston ring and pin perfectly with good sealing.
Long Service Life
Wear-resistant design, service life equal to original piston, reducing maintenance cost.
Reliable Quality & After-sales
Multi-inspection processes, meeting Weichai's standards with perfect after-sales service.
Cost-effective
Competitive price with original quality, full models for different WP12 sub-models.
V. Installation and Maintenance
(I) Installation Notes
Pre-installation: Check model matching and piston integrity; clean oil and debris.
Piston Ring: Install in order, stagger openings by 120°, install gently.
Piston Pin: Install tightly, ensure retainer ring is fully embedded.
Overall Installation: Install piston in correct direction, tighten connecting rod properly (bolt not reusable).
Post-installation: Check smooth operation and no leakage after starting.
(II) Daily Maintenance Suggestions
Daily maintenance suggestions for longer piston service life:
Regular Inspection: Check every 5000-10000km (200 working hours) for abnormalities.
Oil Replacement: Use qualified oil, replace oil and filter every 10000-15000km.
Operation Control: Avoid long idling/overloading; preheat 3-5 minutes before driving.
Fuel Cleanliness: Use qualified fuel, replace fuel filter regularly.
Abnormality Handling: Stop and inspect immediately if any abnormal phenomenon occurs.
Spare Storage: Store properly, avoid moisture/pollution, apply a little oil to prevent rust.
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