November 12, 2025: Premium Piston & Engine Rebuild Parts for Komatsu S6D110-2 Piston 6138-32-2120 Liner 6138-21-2210 Ring 6138-32-2200 Supplier

Factory Direct Sales & Custom Engine Part Solutions

As a dedicated Source Manufacturer, Honour Time Machinery Limited offers direct access to high-quality engine components, specializing in the entire cycle of the internal combustion engine. We provide comprehensive Customization and Development services for various engine cylinder parts, including Cylinder Liners and Piston Ring Sets. Whether you require specific material compositions for heavy-duty applications or unique dimensions for legacy models, our Foreign Trade Export expertise ensures seamless global delivery of our precision-engineered products.

When maintaining or rebuilding heavy equipment, the quality of internal engine components is paramount. Honour Time Machinery Limited, your trusted partner in Heavy Equipment Engine Rebuild, is proud to supply premium engine parts for the powerful Komatsu S6D110-2 Engine. Our inventory includes the essential components required for a complete overhaul, ensuring optimal performance and longevity for your machinery. We focus on supplying parts that meet or exceed OEM specifications, making us a leading Diesel Engine Parts Supplier globally. Our business focuses on a wide range of manufacturers, including CumminsCaterpillarIsuzuKubotaYanmar, and Weichai, covering everything from complete engine assemblies to critical single components.

A centerpiece of our offering for the S6D110-2 model is the high-precision Piston, part number 6138-32-2120 (and its simplified version, 6138322120). This Piston Assembly is perfectly matched with the corresponding Cylinder Liner, part number 6138-21-2210 (6138212210). Together with the meticulously engineered Piston Ring Set, part number 6138-32-2200 (6138322200), these form the core of a reliable combustion system. We stock thousands of items for various applications, specializing in engine parts like Crankshaft BearingsConnecting Rod BearingsThrust Washers, and comprehensive Overhaul Kits. Finding the right Komatsu Excavator Engine Parts or a specific S6D110-2 Piston Ring Set has never been easier.

Komatsu S6D110-2 Engine Component Specifications

Piston (6138-32-2120)Liner (6138-21-2210)Ring Set (6138-32-2200)
Bore Diameter:110 mmLiner Inside Bore:110.0 mmTop Ring:3.0 mm Keystone
No. of Cylinders:6Liner Bottom OD:125 mm2nd Ring:2.5 mm Taper
Piston Total Length:115 mmLiner Total Length:240 mmOil Ring:4.0 mm Coil Spring
Compression Height:75 mmLiner Top OD:135 mmBushing No:6138-31-3140
Combustion Chamber Dia:65 mmLiner Flange Depth:10 mmRIK No:6138-32-2200
Ring Groove:3.0/2.5/4.0 mmLiner Surface Treatment:PhosphatedTP No:6138-32-2200
Pin Size:40 mm x 85 mmLiner Type:FF (Full Flange)NPR No:6138-32-2200

Our commitment at Honour Time Machinery Limited extends beyond just supplying parts; we are a total solutions provider for your engine needs. This includes critical support components such as Diesel Pumps, high-performance Injectors, and structural elements like the CrankshaftEngine BlockCylinder Head, and Connecting Rod. We understand the need for reliable power in your machinery. That is why we also supply crucial auxiliary components like TurbochargersWater Pumps, and Oil Pumps. Our vast catalogue is built to support popular construction machinery and their engines, ensuring you can find Caterpillar Excavator PartsCummins Generator Spares, and Isuzu Truck Engine Components all in one reliable place.

Key Construction Machinery Component Glossary

  • Cylinder Liner: Located in the engine block; provides a wear surface for the piston. Komatsu PC200-8 SAA6D107E-1 Cylinder Liner.

  • Thrust Washer: Located in the crankshaft main bearing area; controls crankshaft end play. Caterpillar 320D C6.4 Engine Thrust Washer.

  • Connecting Rod: Links the piston to the crankshaft; converts reciprocating motion to rotation. Kubota U55-4 V2607 Engine Connecting Rod.

  • Turbocharger: Mounted on the exhaust manifold; uses exhaust gas to compress intake air. Cummins QSB6.7 Engine Turbocharger.

  • Water Pump: Attached to the engine block; circulates coolant through the engine and radiator. Yanmar ViO55-6 4TNV98 Engine Water Pump.

  • Oil Pump: Located in the oil pan or engine block; circulates lubricating oil. Weichai WP12 Engine Oil Pump.

  • Piston Ring Set: Fits into the piston grooves; seals the combustion chamber and manages oil. Komatsu WA380-6 SAA6D107E-1 Piston Ring Set.

  • Diesel Injector: Mounted on the cylinder head; atomizes and sprays fuel into the combustion chamber. Isuzu NPR 4HK1 Engine Diesel Injector.

  • Engine Block: The main structure of the engine; houses the cylinders and crankshaft. Caterpillar D6T C9 Engine Block.

  • Cylinder Head: Sits atop the engine block; forms the combustion chamber and houses valves. Cummins QSK19 Engine Cylinder Head.

To support your long-term operations, we integrate a variety of Engine Overhaul Solutions into our service model. We specialize in providing comprehensive kits for engines like the Komatsu S6D110-2 Diesel Engine and offer highly competitive pricing for bulk orders destined for Global Construction Engine Spares markets. Our focus on quality ensures that every Cylinder Liner Assembly and Komatsu Engine Bearing Set will perform reliably under demanding conditions. As a specialist in Heavy Machinery Component Supply, we are committed to being your reliable Engine Parts Wholesaler and Aftermarket Engine Rebuild Kit Provider. Our parts help maintain a wide range of applications, including Mining Equipment Engine Repair and Agricultural Machinery Engine Spares.

Technical Tip: Troubleshooting Low Power Output

Fault Scenario: A Caterpillar D8T Bulldozer with a C15 ACERT Engine experiences a sudden drop in power and excessive black smoke under load. This often indicates poor combustion efficiency or insufficient air supply.

Processing Solution: First, check the air intake system. A clogged air filter or a leaking Turbocharger Intercooler Hose is a common culprit. If the air system is clear, the issue may stem from fuel delivery. Test the pressure of the Diesel Pump and inspect the Fuel Injectors for proper spray patterns. Worn out Piston Rings or a leaking Cylinder Head Gasket can also cause compression loss, leading to low power. A compression test can quickly confirm the internal engine condition.

Your Global Source for Engine Components

Connect with Honour Time Machinery Limited today for inquiries on the Komatsu S6D110-2 Piston 6138-32-2120Liner 6138-21-2210, and all your Aftermarket Engine Parts needs.

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