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{"title":"D722 Engine Overhaul Kit For Kubota D722 D722-EF18_CN4","imgUrl":"https:\/\/img.chinax.com\/nimg\/5a\/ac\/e22962fed78f279d81339a4de15a-200x200-1\/d722_engine_overhaul_kit_for_kubota_d722_d722_ef18_cn4.jpg","attrs":{"Function":"Covers all necessary engine overhaul parts, restoring engine performance","Application Scope":"Kubota D722 series diesel engines","Components":"Cylinder liner assembly, main bearings, connecting rod bearings, thrust washers, intake valves, exhaust valves, intake valve seats, exhaust valve seats, overhaul kit, connecting rods, cylinder head, fuel injectors, water pump, thermostat, crankshaft","Installation Method":"Standard interface installation"}}
The 1G514-21910 +0.50 mm enlarged diesel engine piston assembly is a repair part required for cylinder block boring after excessive cylinder wear in Kubota V3800 / V3800-T series engines. This piston is a +0.50 mm enlarged version of the standard 100.00 mm cylinder bore, corresponding to a cylinder diameter of 100.50 mm, and is assembled with a piston pin and retaining ring. Made of heat-resistant alloy material, it ensures good sealing and friction performance under high temperature and high pressure conditions, making it a core component for engine overhaul, performance restoration, and long-term maintenance.
Part Number
1G514-21910
Type
Piston
Applicable Engines
Kubota V3800 / V3800-T
Enlarged Size
+0.50 mm
Corresponding Cylinder Bore
100.50 mm
Material
High-temperature resistant aluminum alloy
Installation Instructions
• Ensure the engine cylinder has been bored to a +0.50 mm specification, with a cylinder diameter of 100.50 mm.
• The piston should be assembled in the direction of the arrow, with the arrow pointing towards the crankshaft movement direction.
• When installing piston rings, stagger the interface positions to ensure good sealing.
• During assembly, it is recommended to use clean engine oil to lubricate the cylinder walls and piston skirt.
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Piston compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models. • Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks. • A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs. • For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.
