The Piston Rings 115107970 are a precision-engineered piston ring set designed for Perkins 400 Series diesel engines, including models such as 402D, 403D and 404D used in generators, industrial equipment and agricultural machinery. These rings restore proper compression sealing, reduce oil consumption and ensure efficient engine performance during overhaul or rebuilds.
Where It Is Used
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Perkins 400 Series diesel engines in generator sets (10–40 kVA)
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Industrial machines and light construction equipment
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Agricultural tractors and equipment with compatible engines
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Engines requiring cylinder sealing and compression restoration during servicing or rebuilds
Key Functions & Features
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Engine sealing: Creates a tight seal between the piston and cylinder wall to minimise gas blow-by and maintain power.
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Oil control: Regulates oil film on cylinder walls, reducing oil burning and consumption.
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Heat transfer: Helps transfer heat from the piston to cylinder walls for improved temperature control.
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Durable construction: Made from robust cast iron/alloy materials to withstand high combustion pressures and temperatures.
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OEM compatibility: Direct replacement for Perkins part number 115107970, ensuring proper fit and performance.
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