Product Overview

This high-quality A-type plunger, model A253, is a precision-engineered component designed for the fuel injection system of Komatsu SK200-6 excavators. Manufactured in Shandong, China, this plunger is a direct replacement for OEM numbers A253, 131154-1120, and 1311541120. We supply this critical part to global markets including North America, Europe, Southeast Asia, and the Middle East, ensuring fast and reliable shipping for B2B customers worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to standard dimensions with tight tolerances for optimal fuel atomization and engine performance.
• High Durability: Constructed from premium-grade materials to withstand high-pressure cycles and resist wear, extending service life.
• Direct Replacement: Exact OE fit for SK200-6 fuel injection pumps, minimizing downtime and ensuring hassle-free installation.
• Reliable Performance: Restores fuel pressure and injection timing, improving fuel efficiency and reducing emissions.
• Cost-Effective Solution: Offers a high-quality alternative to OEM parts without compromising on reliability.

Technical Specifications

OEM Cross-Reference

This plunger is a direct cross-reference for the following OEM part numbers:

• A253 (Primary OEM Number)
• 131154-1120 (Alternative Number)
• 1311541120 (Without Hyphen)

Note: Always verify compatibility with your specific pump model before ordering.

Compatibility

This plunger is specifically designed for use in the following applications:

• Excavator Model: Komatsu SK200-6
• Engine Type: Diesel engines equipped with A-type fuel injection pumps
• System: Fuel injection pump plunger and barrel assembly

Please confirm your engine model and pump type to ensure correct fitment.

Global Supply & Distribution

We are a dedicated supplier of diesel engine parts for the global B2B market. Our logistics network ensures timely delivery to major industrial hubs worldwide:

• Shipping Methods: DHL, FedEx, EMS, TNT, UPS, and sea freight for bulk orders.
• Delivery Time: 3-7 working days for express shipping.
• Major Markets: North America (USA, Canada), Europe (Germany, UK, France, Netherlands), Asia-Pacific (Japan, Korea, Australia, Indonesia), Middle East (UAE, Saudi Arabia), and Africa.
• Export Experience: We handle international trade compliance and customs documentation for smooth transactions.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities with strict quality control processes.
• Testing: Each plunger is tested for dimensional accuracy, surface finish, and pressure integrity before shipment.
• Warranty: 6-month warranty against manufacturing defects. Our 24-hour customer service team is ready to assist with any issues.

FAQ

Q1: Is this plunger a direct replacement for the original Komatsu part?
Yes, this A253 plunger is designed as a direct OE replacement for the Komatsu SK200-6 fuel injection pump. It matches the dimensions and specifications of the original parts (131154-1120 / 1311541120). However, we recommend verifying your pump model to ensure compatibility.

Q2: What is the installation procedure for this plunger?
Installation should be performed by a qualified diesel technician. The plunger must be installed into the pump barrel with clean hands and in a dust-free environment. Ensure proper lubrication with clean diesel fuel or assembly oil. Incorrect installation can lead to pump failure or engine damage.

Q3: How can I maintain the plunger for optimal performance?
Use high-quality, clean diesel fuel and replace fuel filters regularly to prevent contamination. Ensure the fuel injection pump is properly timed and calibrated after replacement. If you experience hard starting, rough idling, or black smoke, inspect the plunger and barrel for wear or scoring.