1G780-21113 Piston and 1A091-21050 Ring Set for Kubota V2203 Engine Rebuild - OEM Standard Replacement Supplier

1G780-21113 Piston and 1A091-21050 Ring Set for Kubota V2203 Diesel Engine Rebuild Supplier

Finding the right engine internal components for your V2203 equipment is crucial for ensuring long-term reliability and compression efficiency. When you are sourcing 1G780-21113 pistons (also searched as 1G78021113) or the corresponding 1A091-21050 ring sets, you need a supplier that understands precise technical specifications for diesel engine maintenance.

Professional V2203 Piston and Liner Kit Specifications

This V2203 rebuild kit is designed as a direct OEM standard replacement. Whether you are operating skid steers, excavators, or tractors, these parts meet the rigorous thermal demands of the V2203 direct injection engine series.

Engine ModelBore Diameter (mm)Piston Part NumberPiston Ring Part NumberPiston Pin Dimension
V2203 / V2203-M87.00 mm1G780-21113 (1G78021113)1A091-21050 (1A09121050)25*64 mm
V2203 / V2203-T87.00 mm19077-21112 (1907721112)17331-21050 (1733121050)25*64 mm
V2203-DI87.00 mm1G796-21112 (1G79621112)16790-21053 (1679021053)25*64 mm
V2203 Series87.00 mm16641-2111 (166412111)17331-21050 (1733121050)25*64 mm

Industrial Supply Information

Model NO.V2203 Diesel Engine SeriesPart Number:1G780-21113 / 1A091-21050
Product Name:Piston and Ring Kit (Liner Kit)Type:Aftermarket Rebuild Components
Condition:Brand New, OEM StandardMOQ:1 Piece
Payment Terms:T/T, Western Union, MoneyGramStock Status:In Stock / Fast Dispatch
Delivery:DHL, Fedex, EMS, UPS, Air/SeaApplication:Overhaul, Engine Maintenance

Comparison: Why Professional Repair Shops Choose Our V2203 Kit

Technical PointOur OEM-Standard PartsCheap Generic Parts
Material CompositionHigh-silicon aluminum alloy for heat resistanceStandard scrap aluminum (prone to expansion)
Ring Groove CoatingHard anodized or Alfin insert availableNo reinforcement (causes rapid wear)
Piston Ring SealPrecision chrome-plated or nitride finishRough machining (causes oil consumption)
Pin FitmentMicron-level tolerance for 25*64 pinsLoose fitment (causes engine knocking)
Service LifeMatches original maintenance cyclesHigh risk of failure under 500 hours
CompatibilityGuaranteed for 1G780-21113 applicationsVague part number matching

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Frequently Asked Questions for V2203 Maintenance

Q: How can I identify if my engine requires part 1G780-21113 or 1G796-21112?

A: It depends on whether your V2203 is an Indirect Injection (IDI) or Direct Injection (DI) model. Checking the piston crown shape is essential. The 1G780-21113 is common in standard V2203 models, while the 1G796-21112 is specific to DI configurations. We recommend sharing your engine serial number for verification.

Q: What causes premature wear on the 1A091-21050 piston rings?

A: Poor filtration leading to abrasive dust intake and overheating are the primary causes. Using OEM-standard tri-metal rings ensures better heat dissipation and sealing against the liner wall.

Q: Why Choose This Piston and Ring Kit?

A: Our kits feature an OEM-standard tri-metal structure and are trusted by repair shops and equipment fleets globally for their exact fit and durability in heavy-duty construction environments.

Not sure how this issue affects your equipment?

Our team helps operators navigate complex engine issues to minimize downtime:

  • Identify potential risks during routine maintenance to prevent catastrophic block damage.

  • Recommend suitable replacement parts based on your specific wear patterns and budget.

  • Support both inspection advice and global parts supply for Kubota, Yanmar, and Isuzu engines.

Professional Engine Parts Supplier Profile

We specialize in heavy-duty engine assemblies and high-precision components. Our inventory covers leading brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai.

Our core range includes: Cylinder Liners, Pistons, Piston Rings, Crankshaft Main Bearings, Con Rod Bearings, Thrust Washers, Overhaul Gasket Kits, Fuel Injection Pumps, Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.

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