Reliable power starts with precision-engineered components. If you are searching for a high-performance YM129901-22080 (also referred to as YM12990122080) piston for your Yanmar 4D94E industrial engine, you have found the right source. Our OEM-standard replacement pistons are designed for heavy-duty applications, ensuring your machinery maintains peak compression and efficiency.
Get a fast quote for your engine rebuild project today.
WhatsApp: +8613532379052 Email: [email protected]| Field Name | Specifications for YM129901-22080 |
|---|---|
| Model NO. | 4D94E / 4TNE94 / 4TNE98 Compatible |
| Product Name | Engine Piston / Piston Kit |
| Part Number | YM129901-22080 (YM12990122080) |
| Type | Diesel Internal Combustion Component |
| Condition | Brand New, OEM Standard Replacement |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Within 24 Hours |
| Application | Engine rebuild, major overhaul, routine maintenance |
| Ref No. | Procurement Core Features | Standard Replacement (Our Quality) | Generic Market Low-Cost Parts |
|---|---|---|---|
| 1 | Material Composition | High-silicon aluminum alloy for thermal stability | Standard aluminum with lower heat resistance |
| 2 | Dimensional Precision | Exact 4D94E tolerances for zero-gap fit | Approximate sizing leading to blow-by |
| 3 | Ring Groove Reinforcement | Anodized or steel-insert grooves for longevity | Unreinforced grooves prone to premature wear |
| 4 | Surface Coating | Skirts treated for reduced friction & break-in | Raw finish causing cylinder wall scuffing |
| 5 | Heat Dissipation | Engineered cooling galleries for oil flow | Solid structures that trap heat |
| 6 | Quality Assurance | Individual inspection with OEM alignment | Batch testing with high defect rates |
Unexpected downtime is often caused by minor component failure. Our technical team helps operators avoid costly mistakes:
Identify potential risks during maintenance such as piston slap or excessive smoke
Recommend suitable replacement parts if needed based on serial numbers
Support both inspection advice and parts supply for fleet owners
Using the YM129901-22080 Piston ensures that your 4D94E engine overhaul meets factory performance specifications.
A: Yes, these symptoms often point to worn piston rings or a damaged piston skirt on the YM129901-22080. Over time, friction reduces the seal between the piston and the liner. Replacing with an OEM standard 4D94E piston restores compression and stops oil bypass into the combustion chamber.
A: Piston scuffing is usually caused by overheating or poor lubrication. Always ensure your cooling system is functional and use high-quality 4D94E engine parts. During a rebuild, check that the piston pin and connecting rod are aligned to prevent uneven wear on the YM12990122080 unit.
A: Our YM129901-22080 features an OEM-standard tri-metal structure and is trusted by independent repair shops and international equipment fleets for its durability and heat resistance.
Beyond the Yanmar 4D94E series, we specialize in comprehensive solutions for the world's most demanding engines. We supply high-grade components for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our inventory is stocked with essential parts to keep your fleet moving.
Explore our main product lines: Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con Rod Bearings, Thrust Washers, Full Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Cranksahfts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
Industry Support: Construction machinery repair, Marine diesel maintenance, Generator set overhaul parts, Excavator engine rebuild kits, Forklift engine components, Agriculture tractor engine spares, Industrial power unit parts, Heavy duty truck engine repair, Fleet maintenance solutions, Diesel engine fuel system parts, High pressure oil pump replacement, Turbocharger performance upgrades, Cylinder head assembly services, Crankshaft grinding support, Aftermarket engine parts supplier, Wholesale diesel engine components, Genuine engine parts distribution, Engine cooling system maintenance, Precision machined engine liners, Professional engine workshop supplies.
Connect with our parts specialists for a consultation on your YM129901-22080 requirements.
Email: [email protected] | WhatsApp: +8613532379052
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