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This authentic Sinotruk HOWO piston (Part No: 082V02500-0710) is engineered to exact OEM specifications for MT07 05 engines, ensuring optimal compression, fuel efficiency, and longevity under heavy-duty conditions. Designed for high-performance applications, it features reinforced skirt design and advanced heat dissipation to withstand extreme temperatures and pressures. The piston’s precision-machined crown and ring grooves ensure perfect sealing and minimal oil consumption, reducing emissions and maintaining engine efficiency. Ideal for HOWO trucks operating in demanding environments, this piston delivers reliability and durability.
Technical Specifications:
Material: High-grade aluminum alloy (T6 heat-treated)
Diameter: 126.5 ± 0.02 mm
Compression Height: 58.0 ± 0.1 mm
Pin Diameter: 48.0 ± 0.005 mm
Weight: 980 ± 10 grams
Ring Grooves: 3 (2 compression, 1 oil control)
Surface Treatment: Hard anodized for wear resistance
Temperature Resistance: -40°C to +350°C
Compatibility: HOWO MT07 05 series engines
Manufacturing Standard: ISO 9001 certified, OEM tolerances
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Installation Notes
Pre-Installation Checklist:
1.Inspect Components: Verify part number (082V02500-0710) and check for shipping damage.
2.Cylinder Honing: Ensure cylinder walls are honed to recommended roughness (Ra 0.4–0.6 μm) for proper ring seating.
3.Clearance Check: Measure piston-to-cylinder clearance (0.05–0.08 mm) and pin-to-rod clearance (0.015–0.025 mm).
4.Lubrication: Apply engine oil to piston pin, rings, and skirt before installation.
Installation Steps:
1.Ring Installation: Install compression and oil rings using proper ring expander tool, ensuring gaps are staggered.
2.Piston Orientation: Insert piston into cylinder with arrow mark toward front of engine.
3.Pin Installation: Connect piston to connecting rod using proper pin and circlips.
4.Torque Specifications: Tighten connecting rod bolts to 120 ± 5 Nm + 90° angular turn.
Critical Warnings:
Never reuse old pistons or circlips—always replace with new components.
Avoid hammering piston during installation—use proper tooling.
Verify ring end gap (0.25–0.40 mm for compression rings) to prevent seizure.
Post-Installation:
Prime oil system before startup.
Run engine at idle for initial break-in (avoid high loads for first 500 km).
Monitor for unusual noises or smoke indicating installation issues
