Premium ISUZU D500 PISTON SET for Engine Overhaul: Parts D500, 5-12111-055-1, 5121110551, 9-12111-814-0, 9121118140, 9-11261-802-0, 9112618020, 5-12121-025-0, 5121210250 | November 06, 2025

Your ultimate source for ISUZU D500 engine rebuild components and high-quality construction machinery engine parts worldwide.

Cylinder Liner Customization & Factory Direct Supply

We are the Source Manufacturer specializing in the Custom Design and Development of various heavy-duty Engine Cylinder Liners. Benefit from Factory Direct Sales and reliable Foreign Trade Export services. Get the exact specifications you need for your engine overhaul kits.

The Importance of High-Quality ISUZU D500 Engine Components

For severe-duty applications, choosing the right components for your ISUZU D500 engine is crucial. We offer premium replacement parts, including the ISUZU D500 Piston 5-12111-055-1 (also known as 5121110551) and 9-12111-814-0 (9121118140). These pistons are meticulously manufactured to ensure optimal compression and longevity. Paired with the durable Cylinder Liner 9-11261-802-0 (9112618020) and the precision Piston Ring Set 5-12121-025-0 (5121210250), our products guarantee a professional and durable engine overhaul. If you are looking for Isuzu D500 engine rebuild kits or genuine replacement parts Isuzu, look no further than our expertly sourced catalog.

Global Engine Parts Export and Comprehensive Product Range

Honour Time Machinery Limited is a trusted leader in the global engine parts export market. Our main business encompasses complete Engine Assemblies and a full range of components for major brands: Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our extensive product line includes Cylinder Liner, Piston, Piston Ring, Crankshaft Bearing (Main Bearing), Connecting Rod Bearing (Con Rod Bearing), Thrust Washer, Overhaul Gasket Kit (Repair Kit), Diesel Pump, Fuel Injector, Crankshaft, Turbocharger, Water Pump, Oil Pump, Engine Block, Cylinder Head, and Connecting Rod. We provide diesel engine parts wholesale and cost-effective engine solutions globally, specializing in heavy equipment engine components and engine main bearing suppliers. We are your go-to partner for construction machinery engine repair, offering everything from Isuzu 4BD1 engine gasket sets to professional engine overhaul kits, ensuring the highest standards for Cummins QSK60 repair parts and competitive Yanmar 4TNV98 injector price.

Key Engine Component Definitions and Applications

Understanding the components of heavy machinery engines is essential for maintenance and repair. Here are 10 critical parts:

• 1. Piston: Converts gas pressure into rotational motion. Location: Inside the Cylinder Liner. Keyword: Komatsu PC200-8 Piston.

• 2. Cylinder Liner: Provides a wear-resistant surface for the piston. Location: Inner wall of the Engine Block. Keyword: Isuzu 4HK1 Cylinder Liner.

• 3. Crankshaft Bearing (Main Bearing): Supports the rotating crankshaft. Location: At the main journals in the Engine Block. Keyword: Cummins QSB6.7 Crankshaft Bearing.

• 4. Connecting Rod Bearing (Con Rod Bearing): Connects the piston to the crankshaft. Location: Large end of the Connecting Rod. Keyword: Kubota V2403 Connecting Rod Bearing.

• 5. Gasket Overhaul Kit (Repair Kit): Set of seals for engine rebuild. Location: Throughout the Engine Assembly. Keyword: Yanmar 4TNV94 Overhaul Gasket Kit.

• 6. Water Pump: Circulates coolant. Location: Front of the Engine Block/Timing Cover. Keyword: Caterpillar 320D Water Pump.

• 7. Oil Pump: Circulates oil for lubrication. Location: Lower part of the Engine Block. Keyword: Weichai WP10 Oil Pump.

• 8. Turbocharger: Increases engine power by forcing compressed air into the combustion chamber. Location: Exhaust manifold side of the Engine. Keyword: Komatsu PC400-7 Turbocharger.

• 9. Cylinder Head: Seals the top of the cylinder, housing valves and injectors. Location: Top of the Engine Block. Keyword: Isuzu 6HK1 Cylinder Head.

• 10. Thrust Washer: Controls the crankshaft's axial movement. Location: Against the sides of the Main Bearing. Keyword: Cummins NT855 Thrust Washer.

Common Construction Machinery Failure and Solution

Failure Example: A Caterpillar Excavator 330D equipped with a Cat C9 engine experiences excessive black smoke emission and significant loss of power.

Root Cause Analysis: This often indicates poor combustion efficiency, commonly caused by a faulty or worn **Fuel Injector**. An injector that is leaking or spraying improperly will disrupt the air-fuel ratio.

Solution: The immediate solution is to diagnose and replace the affected component. Ensure to use a high-quality replacement Caterpillar 330D Fuel Injector to restore engine performance and efficiency, minimizing downtime and costly repairs.

ISUZU Engine Model to Component Cross-Reference Table

Below is a comprehensive list of Isuzu engine models and their corresponding Piston, Liner, and Piston Ring part numbers, with both symbolic and simplified formats for easy searching.

Contact Honour Time Machinery Limited for Your Engine Parts Needs

As a leading supplier of reliable aftermarket engine parts and engine performance upgrade kits, Honour Time Machinery Limited is dedicated to providing high-quality solutions for your heavy equipment engine components. We handle bulk orders and specialize in diesel engine parts wholesale for the global market.

Inquiry Hotline: WhatsApp: +8613532379052 | Email: [email protected]

Contact us today for competitive pricing on Weichai WP12 engine block, Caterpillar 320D water pump, Komatsu PC300 turbocharger, and any other engine component needs.