Mahle D1146 Liner Kit For Doosan Daewoo DH300-7 Excavator Engine Rebuild Kit

Product Details

Product Overview

This Mahle D1146 Liner Kit is a premium-grade engine rebuild component specifically designed for the Doosan Daewoo DH300-7 excavator. As a direct replacement liner kit, it is engineered to restore the compression and performance of the D1146 diesel engine, which powers this heavy-duty excavator model.

Manufactured under the renowned MAHLE brand, this kit includes all necessary cylinder liners required for a complete engine overhaul. The kit is commonly used for rebuilding the D1146 engine in Doosan Daewoo DH300-7 excavators, ensuring a precise fit and reliable operation in demanding construction and earthmoving applications.

Each component is produced as a 100% new part, not remanufactured, guaranteeing original equipment quality and performance standards. This liner kit is essential for machine owners and repair shops seeking to extend the service life of their excavator’s power unit.

Key Features & Benefits

• Premium MAHLE Quality: Manufactured by MAHLE, a leading global OE supplier, ensuring superior material composition and dimensional accuracy for long-lasting engine performance.
• Direct Fit for D1146 Engine: Engineered to exact OEM specifications for the D1146 diesel engine, eliminating the need for modifications or adjustments during installation.
• Complete Rebuild Solution: Provides all components needed for a cylinder liner replacement, facilitating a comprehensive engine rebuild and restoring compression to factory specifications.
• Enhanced Durability: Constructed from high-grade materials designed to withstand extreme combustion pressures and temperatures, reducing wear and extending engine service intervals.
• 100% New Condition: Guaranteed as brand-new components, not remanufactured or refurbished, ensuring maximum reliability and zero hidden wear.
• Optimized for Doosan Daewoo DH300-7: Specifically suited for this popular excavator model, providing confidence in compatibility for heavy-duty applications.

Technical Specifications

OEM Cross-Reference

This Mahle D1146 Liner Kit is designed as a direct replacement for the following OEM and reference numbers:

• Primary Part Number: D1146
• OEM Number: / (OEM number not specified; please verify with your engine serial number)
• Cross-Reference Note: This kit is commonly used in place of genuine Doosan Daewoo liner sets for the D1146 engine. We recommend verifying compatibility with your specific engine serial number before ordering.

Compatibility

This liner kit is commonly used for the following applications:

• Engine: Doosan Daewoo D1146 Diesel Engine
• Excavator Model: Doosan Daewoo DH300-7
• Vehicle/Equipment Type: Heavy Excavator / Construction Machinery
• Compatibility Note: While designed for the DH300-7 model, this kit may also be compatible with other equipment using the D1146 engine. Please verify engine model and serial number for fitment confirmation.

Global Supply & Distribution

We offer worldwide shipping for this Mahle D1146 Liner Kit, serving international B2B buyers across all major industrial markets. Our distribution network ensures reliable delivery to key destinations including:

• North America: Quick shipping to the United States, Canada, and Mexico for construction equipment dealers and repair shops.
• Europe: Fast delivery to EU countries, including Germany, France, the United Kingdom, and the Netherlands.
• Asia-Pacific: Efficient logistics to South Korea, Japan, Australia, and Southeast Asian markets.
• Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and other industrial hubs.
• South America: Coverage for Brazil, Chile, and Argentina with competitive transit times.

We maintain strong export experience and comply with international trade regulations to ensure smooth customs clearance. Our Shanghai-based warehouse enables rapid dispatch to major ports worldwide.

Quality Assurance

This Mahle D1146 Liner Kit is manufactured under strict quality control standards to meet or exceed original equipment specifications. Key quality assurances include:

• Manufacturing Standards: Produced in ISO-certified facilities with precision machining and quality inspection processes.
• Material Quality: High-grade cast iron or steel alloys selected for durability and thermal stability under heavy load.
• Warranty: Backed by a 3-month warranty against manufacturing defects, with online technical support available after the warranty period.
• Testing: Components undergo dimensional checks and surface finish inspections to ensure proper fitment and sealing.

FAQ

Q1: How do I confirm this liner kit fits my Doosan Daewoo DH300-7 excavator?

A: This kit is specifically designed for the D1146 engine used in the DH300-7 model. To confirm compatibility, verify your engine model number (D1146) on the engine data plate. We also recommend checking your engine serial number to ensure it matches the production specifications for this liner kit. If you have a different engine variant, please contact us with your engine details for verification.

Q2: What is included in the D1146 Liner Kit?

A: The Mahle D1146 Liner Kit includes a complete set of cylinder liners for the D1146 engine. Typically, this covers all liners needed for a full engine rebuild. However, we recommend confirming the exact contents with our sales team before purchase, as kit configurations may vary. This kit does not include pistons, rings, or gaskets unless specified.

Q3: What is the recommended installation procedure for this liner kit?

A: Installation should be performed by a qualified diesel mechanic following standard engine rebuild procedures. Key steps include cleaning the cylinder block bores, checking liner protrusion height, and applying appropriate sealant. We recommend using a torque wrench and following the engine manufacturer’s service manual for the D1146 engine. Incorrect installation can lead to premature wear or engine damage. For technical support during installation, please contact our online support team.