Komatsu D3 Internal Engine

Komatsu D3 Internal Engine is part of the WQC Parts Komatsu engine hub structure. These pages are built to help buyers move from broad Komatsu engine categories into the correct machine family, model family, engine system, and available WQ Certified replacement parts.

Use this hub as a guided lookup path. Komatsu model, serial range, engine arrangement, and parts-book confirmation should always be checked before ordering, especially on older machines and machines with multiple engine configurations.

D3 internal engine parts

This hub focuses on internal engine parts, including cylinder block, cylinder head, piston, liner, ring, valve train, bearing, and related hardware matches from the usage data.

This page is a focused system hub under Komatsu D3 Engine Parts and Komatsu Bulldozer Engine Parts.

Matched product coverage

The source report identified 17 engine-related references for this hub, with 17 matched Shopify product references available for WQC Parts content and linking.

Sample part numbers: 07005-01012, 07005-01412, 6251-51-9100, 700501012, 700501412, DK016650-2230, DK026524-2940, DK134042-1400, DK139629-0000, DK154327-3600, KD1-0454-60067, KD1-0454-62047

Sample matched products

• Komatsu 07005 01012 Gasket
• Komatsu 07005 01412 Gasket
• Komatsu 6251 51 9100 Oil Pump Assembly
• Komatsu Dk016650 2230 Bearing
• Komatsu Dk026524 2940 Gasket
• Komatsu Dk134042 1400 Gasket
• Komatsu Dk139629 0000 Seal Oil
• Komatsu Dk154327 3600 Spring
• Komatsu Kd1 0454 60067 Ball Bearing
• Komatsu Kd1 0454 62047 Ball Bearing
• Komatsu Kd1 0456 62007 Ball Bearing
• Komatsu Kd1 0456 62047 Ball Bearing

Fitment guidance

Use the product page, part number, serial range, and machine parts book together. Komatsu engine systems can change by model series and production range, so the final order should be confirmed by part number and application.