Precision ISUZU 4BD2 Engine Piston and Ring Set

The ISUZU 4BD2 is a compact yet powerful four-cylinder diesel engine widely used in commercial vehicles and light construction equipment. Maintaining its optimal performance relies entirely on using high-precision internal components.

We proudly offer the high-quality Piston for the 4BD2, identified by the part number 8-97176-642-0. For easy referencing in inventory systems, the number without symbols is 8971766420. This piston ensures the correct compression ratio and thermodynamic efficiency.

Critical for sealing and longevity is the matching Piston Ring Set, available under part number 8-97117-686-0, also known as 8971176860. This set guarantees minimal blow-by and oil consumption, essential for the health of your ISUZU 4BD2 engine rebuild. Compatible Cylinder Liners are readily available upon request.

Extensive Inventory for Major Diesel Engine Brands

Honour Time Machinery Limited is a leading international supplier of engine assemblies and spare parts for an array of global brands, including: cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai.

Our core product offerings cover every necessity for engine repair and maintenance: Cylinder Liner, Piston, Piston Ring, Crankshaft Bearing, Connecting Rod Bearing, Thrust Washer, Overhaul Kit, Diesel Pump, Fuel Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Cylinder Block, Cylinder Head, and Connecting Rod.

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Engine Component Glossary: Location and Application

Detailed insight into critical engine parts:

• Thrust Washer : Installed in the main bearing housing, it manages the crankshaft (曲轴)'s axial movement (end play). (Example: Cummins ISL9 Engine Thrust Washer Set)

• Connecting Rod Bearing: Fitted within the connecting rod big end, it ensures smooth rotation on the crankshaft journal. (Example: Komatsu PC200-8 Engine SAA6D107E Connecting Rod Bearing)

• Water Pump : Mounted on the front of the engine block, it circulates coolant to dissipate heat. (Example: Caterpillar D5K2 Engine C4.4 Water Pump Assembly)

• Fuel Injector: Located in the cylinder head, it precisely meters and atomizes diesel fuel. (Example: ISUZU 4BD2 Engine Fuel Injector Nozzle)

• Oil Pump: Situated low in the engine block or oil pan, it pressures the lubrication system. (Example: Kubota KX057-4 Engine V2607 Oil Pump Assembly)

• Turbocharger: Sits on the exhaust manifold, forcing more air into the cylinders for greater power. (Example: Yanmar ViO80 Engine 4TNV98 Turbocharger Assembly)

• Cylinder Liner : Forms the bore surface inside the cylinder block for the piston. (Example: Weichai WP6 Engine Cylinder Liner Kit)

• Cylinder Head Gasket: Placed between the cylinder head and cylinder block, sealing combustion gases and coolant/oil passages. (Example: Caterpillar 3306 Cylinder Head Gasket Set)

• Thermostat: Located in the coolant outlet housing, it controls the flow of coolant to regulate operating temperature. (Example: Komatsu PC138US-8 Engine Thermostat)

• Piston Pin: Connects the piston  to the connecting rod (连杆). (Example: ISUZU 4BD2 Piston Pin Bushing)

Machinery Fault Scenario and Our Business Expertise

Complex Engine Fault & Detailed Solution:

Equipment/Engine: Yanmar SV100 Mini Excavator with 4TNV98 Engine

Fault: The engine is difficult to start, exhibits reduced power, and produces significant black smoke under load, indicating poor combustion efficiency.

Possible Cause/Solution: This is typically caused by insufficient air supply or incorrect fuel timing/delivery. For the Yanmar 4TNV98, first check the air filter and turbocharger for restrictions. If they are clean, the fault may lie with the fuel system, specifically worn Fuel Injector nozzles or a miscalibrated Diesel Pump. A more serious cause is low compression due to wear on the Piston 8-97176-642-0's equivalent or the Piston Ring Set 8-97117-686-0's equivalent, which requires a full engine overhaul with replacement pistons, rings, and potentially Cylinder Liners to restore compression.

Honour Time Machinery Limited: Your Reliable Engine Parts Partner

Our business specializes in the wholesale supply of reliable diesel engine assemblies and spare parts globally. We ensure the quick and efficient availability of critical components like the ISUZU 4BD2 Piston 8-97176-642-0, supporting the operational success of your entire Cummins, Komatsu, Caterpillar, ISUZU, Kubota, Yanmar, and Weichai machinery fleet.

Connect with Us for ISUZU 4BD2 Parts & Global Inquiries

Request a quote for ISUZU 4BD2 Piston 8971766420 and Piston Ring 8971176860, or discuss your requirements for custom-developed engine components. We are ready to assist with your global needs:

WhatsApp: +8613532379052 (Click to Chat)

Email: [email protected] (Click to Email)

Your reliable, factory-direct engine parts partner!