Description
Overview:
This Genuine Kubota piston (0.025 mm oversize) is designed for KGP-R20 and KGP-R20E engines and carries OEM No. 13921-21920. Made from a durable, high-quality aluminium alloy, it is built to cope with the heat and pressures found in compact industrial engines. The piston restores correct clearances in a re-bored cylinder, maintains compression, and supports clean combustion for smooth, reliable running. Precision machining and tight tolerances help reduce vibration and wear, supporting engine longevity and consistent power output. Suitable for construction, landscaping, and garden machinery powered by Kubota's KGP-R20 engine family, it is an ideal replacement during routine overhauls or repairs where a 0.025 mm oversize is specified. Being a genuine part helps ensure correct fit and compatibility with Kubota service standards.
Key Features:
- Genuine Kubota part for assured compatibility and build quality (OEM No. 13921-21920)
- 0.025 mm oversize to suit re-bored cylinders and restore correct piston-to-bore clearance
- Aluminium alloy construction for strength, low weight, and efficient heat dissipation
- Precision-engineered to OEM tolerances for reliable sealing and stable performance
- Supports efficient combustion and power delivery with reduced blow-by and oil consumption
- Robust design to withstand high temperatures and sustained workloads in tough environments
- Direct-fit replacement to help reduce downtime during service and rebuilds
- Suitable for KGP-R20 engine family used across construction, landscaping, and agricultural equipment
Typical Applications:
Used during engine rebuilds, scheduled maintenance, or repairs to address cylinder wear or scoring. Helps restore compression, reduce smoke, and improve starting and fuel efficiency in compact machinery powered by Kubota KGP-R20 series engines across construction sites, landscaping work, and agricultural duties.
Also known as:
Kubota engine piston 0.025 mm oversize, KGP-R20 series piston, oversize replacement piston, OEM 13921-21920 piston, Kubota KGP piston, petrol engine piston for Kubota small engines.
Fits Models:
KGP-R20, KGP-R20E, KGP-R20ERX, KGP20E, KGPR20, KGPR20E
Alternate Part Numbers:
1392121920
Product Specifications
| L&S Part No. | 13921 21920 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Kubota |
| OEM No. | 13921 21920 |
| Unit of Sale | 1 |
| Machine Type | Engines |
| Fits Brands | Kubota |
| Key Features | - Genuine Kubota part, OEM No. 13921-21920 - 0.025 mm oversize for re-bored cylinders - Aluminium alloy for strength and heat dissipation - Precision-engineered for reliable sealing and performance - Fits KGP-R20, KGP-R20E engine models |
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