Searching for a reliable 121550-22020 (also known as 12155022020) piston? As a specialized engine components provider, we offer premium OEM-standard Yanmar 3T75 replacement pistons designed for heavy-duty performance and thermal efficiency. Whether you are performing a routine maintenance check or a complete engine overhaul, our parts ensure your 3T75 series diesel engine regains its factory-rated compression and power output.
| Attribute | Details |
|---|---|
| Model NO. | Yanmar 3T75 / 3T75HA / 3T75L |
| Part Number | 121550-22020 / 12155022020 |
| Product Name | Diesel Engine Piston |
| Type | Piston with Pin and Clips |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, overhaul, maintenance for 3T75 series |
| Stock Status | In Stock / Fast Dispatch |
| MOQ | 1 Piece |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/ Sea |
| Packaging | Industrial Export Packing |
| Selection Factor | Standard Aftermarket | Our Premium 121550-22020 Replacement |
|---|---|---|
| 1. Material Composition | Basic Aluminum Alloy | High-Silicon Eutectic Alloy for superior heat resistance |
| 2. Dimensional Accuracy | +/- 0.05mm | Strict OEM Tolerance (< 0.015mm) for perfect fit |
| 3. Surface Treatment | Untreated or basic polish | Anodized crown and skirt coating to reduce friction |
| 4. Ring Groove Stability | High wear rate | Reinforced ring lands to prevent blow-by gases |
| 5. Thermal Conductivity | Average cooling | Optimized internal structure for rapid heat dissipation |
| 6. Compatibility Verify | Generic fitment | Verified specifically for Yanmar 3T75 combustion chambers |
Unexpected engine smoke or loss of power can be frustrating. Our team helps operators and repair shops navigate these technical hurdles:
Identify potential risks during maintenance, such as piston scuffing or ring wear.
Recommend suitable replacement parts based on your specific engine serial number.
Support both inspection advice and global parts supply to minimize downtime.
For bulk orders or urgent replacement of 121550-22020 pistons, contact us via the channels below:
WhatsApp: +8613532379052Email: [email protected]
Follow our Facebook for Daily Stock Updates & Tech TipsA: Blue smoke typically indicates oil is entering the combustion chamber. This is often caused by worn piston rings or a damaged 121550-22020 piston. Replacing the piston and rings usually restores the seal and stops excessive oil consumption.
A: Look for excessive "blow-by" (gas escaping from the oil filler cap), hard starting when cold, and an audible knocking sound from the cylinder block. Early replacement of the piston assembly can save the cylinder liner and crankshaft from damage.
A: Our 121550-22020 features an OEM-standard tri-metal structure. It is trusted by repair shops and equipment fleets worldwide for its balance of durability and precise fitment, ensuring a long service life post-overhaul.
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