As a Source Manufacturer and a leading Foreign Trade Export supplier, we specialize in the custom development and production of all types of engine cylinder liners. Benefit from our Factory Direct Sales pricing and superior engineering quality. If you need a new liner for your engine, trust us for precision components.
Key Liner Products: CATERPILLAR 3306 Cylinder Liner | CUMMINS ISL9 Cylinder Liner | KOMATSU SAA6D107E Liner | ISUZU 4JJ1 Liner Kit
Welcome to Honour Time Machinery Limited, your dedicated partner for high-performance Machinery Diesel Engine Spare Parts. Our expertise is focused on providing reliable solutions for maintaining and repairing heavy-duty equipment. This essential guide covers the overhaul components for the YANMAR 34D84 engine, crucial for compact machinery like mini-excavators and skid steer loaders. If you are struggling with poor engine compression or excessive engine oil consumption, our replacement Piston Kits are the definitive answer. We stock part numbers 129004-22080 and 129004-22500, also known as 12900422080 and 12900422500, ensuring a perfect fit and restored power.
| Brand | Model | Part Name | Part Number (Standard) | Part Number (Numerical) | Application/Issue Solved |
|---|---|---|---|---|---|
| YANMAR | 34D84 | Piston Kit / Overhaul Component | 129004-22080 | 12900422080 | Resolves excessive oil consumption, low power, piston ring failure |
| YANMAR | 34D84 | Piston Kit / Overhaul Component | 129004-22500 | 12900422500 | Essential for full engine overhaul and long-term reliability |
We pride ourselves on offering a vast inventory that services leading construction and heavy-duty brands, including CUMMINS, KOMATSU, CATERPILLAR, ISUZU, KUBOTA, YANMAR, and WEICHAI. Our supply chain guarantees you access to critical components like the Cylinder Liner, Piston Ring Set, Main Bearing, and Con Rod Bearing. Whether you need a full Engine Overhaul Repair Kit or a single Thrust Washer, our parts ensure your engine runs efficiently.
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Understanding where critical engine components are installed is key to effective maintenance and repair. Here are 10 essential terms:
1. Piston Ring: Installed in the Piston grooves. Keyword Example: CATERPILLAR 3044 Piston Ring
2. Connecting Rod: Connects the Piston to the Crankshaft. Keyword Example: CUMMINS ISX15 Connecting Rod
3. Main Bearing: Supports the Crankshaft within the Cylinder Block. Keyword Example: KOMATSU S6D125 Main Bearing
4. Thrust Washer: Controls the Crankshaft's axial end play. Keyword Example: ISUZU 6BG1 Thrust Washer
5. Cylinder Head Gasket: Seals the Cylinder Head to the Block. Keyword Example: KUBOTA V2403 Cylinder Head Gasket
6. Turbocharger: Mounted on the Exhaust Manifold to compress intake air. Keyword Example: YANMAR 4TNV98 Turbocharger
7. Water Pump: Circulates coolant through the Engine Block and Radiator. Keyword Example: WEICHAI WP10 Water Pump
8. Injector: Delivers fuel directly into the Combustion Chamber. Keyword Example: CUMMINS QSB6.7 Injector
9. Oil Pump: Pumps lubricating oil from the Oil Sump to all moving parts. Keyword Example: CATERPILLAR C7 Oil Pump
10. Flywheel: Bolts to the Rear end of the Crankshaft. Keyword Example: KOMATSU PC300-7 Flywheel
The YANMAR 34D84 Piston, part number 129004-22080, is built to meet OEM specifications for long service life.
| Detail | Specification | Product Feature / Term |
|---|---|---|
| Part Name | Piston | Piston Material: Aluminum Alloy |
| Part Number | 129004-22080 / 12900422080 | Piston Diameter: 84mm (3.31 in) |
| Engine Type | Diesel | Pin Diameter: 30mm |
| Warranty | 6 Month | Marketing Type: New Product 2024 |
| Stock Status | In Stock / Available | Certifiion: Other (Quality Assured) |
| Payment Options | T/T, PayPal, MoneyGram | Original Source: China (Premium Aftermarket) |
| After Warranty Support | Online Technical Support | Global Spare Parts Sourcing |
Effective maintenance is the cornerstone of equipment longevity. For instance, addressing Engine Overheating in a KOMATSU PC200-8 Excavator is a common fault.
Fault: Engine temperature spikes rapidly, often accompanied by coolant loss.
Solution: The primary cause is often a failed Water Pump, a clogged radiator, or a compromised Cylinder Head Gasket. Immediate action requires checking coolant levels and inspecting the water pump's weep hole for leakage. If leakage is visible, replace the KOMATSU PC200-8 Water Pump immediately to prevent catastrophic engine damage.
General Maintenance Tips:
Always use OEM-specified oils and filters to protect key components like the Crankshaft and Camshaft.
Conduct regular oil analysis to detect early wear on Bearings and Pistons.
Ensure the correct valve clearances are maintained to guarantee optimal engine breathing and performance.
Honour Time Machinery Limited is a trusted global supplier specializing in high-quality diesel engine assemblies and spare parts, committed to delivering reliable components for heavy machinery worldwide.
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