Product Overview

This high-quality Fuel Injection Pump Plunger, model P49 with OEM number 134101-6420, is a precision-engineered component designed for optimal performance in diesel engine fuel systems. Manufactured in Shandong, China, this plunger is a critical part for fuel injection repair and replacement, ensuring reliable fuel delivery and engine efficiency. We ship globally to major markets including North America, Europe, Asia-Pacific, the Middle East, and Africa, providing fast and reliable logistics to industrial centers and ports worldwide.

Key Features & Benefits

• High-Quality Construction: Manufactured from premium stainless steel for exceptional durability and corrosion resistance, ensuring a long service life.
• Precision Engineering: Designed for exact fit and reliable performance in fuel injection systems, helping to maintain optimal engine power and fuel economy.
• Reliable Replacement: A totally new part, ideal for replacing worn or damaged plungers to restore pump function and prevent engine performance issues.
• Lightweight & Compact: Weighing only 0.15kg with a small package size (8×1.85×1.85 cm), making it easy to handle, store, and ship.
• Trusted Supply: Backed by a 4-month warranty and professional customer service, ensuring peace of mind for B2B buyers.

Technical Specifications

OEM Cross-Reference

This product is a direct replacement for the following OEM part numbers:

• 134101-6420
• P49

Please verify your existing part number to ensure compatibility. This plunger is designed for use in standard diesel engine fuel injection pumps.

Compatibility

• Engine Type: Diesel engines
• Application: Fuel Injection Pump systems on various diesel engine cars and machinery.
• Compatibility Note: This part is a standard plunger used in many diesel injection pumps. Please confirm the fitment with your pump model using the OEM number 134101-6420 or part number P49.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a strong global distribution network. We offer:

• Worldwide Shipping: Reliable and fast shipping to all major continents, including North America, Europe, Asia-Pacific, South America, the Middle East, and Africa.
• Fast Delivery: Efficient logistics to major ports and industrial centers, ensuring your orders arrive on time.
• Export Expertise: Experienced in international trade, we handle all documentation and compliance for smooth customs clearance.
• Bulk Orders: Low MOQ of just 48 pieces, with the ability to scale up for larger commercial and industrial needs.

Quality Assurance

• Manufacturing Standards: Produced in a professional facility in Shandong, China, using high-grade stainless steel and precision manufacturing processes.
• Testing: Each plunger is inspected for dimensional accuracy and surface finish to ensure reliable performance.
• Warranty: Comes with a 4-month warranty against manufacturing defects, demonstrating our confidence in product quality.
• Service: Our team provides professional service and support for all inquiries and orders.

FAQ

Q1: How do I confirm that this plunger (P49 / 134101-6420) fits my fuel injection pump?
A: To confirm fitment, please check the existing part number on your current plunger. It should match either P49 or 134101-6420. This is a standard plunger used in many diesel injection pumps, but verifying the OEM number is the most reliable method to ensure compatibility with your specific pump model and engine.

Q2: What are the common signs that this fuel injection pump plunger needs to be replaced?
A: Common symptoms of a worn or failing plunger include: hard starting, engine misfiring or rough idling, reduced engine power, poor fuel economy, black smoke from the exhaust, and fuel leaks from the injection pump. If you experience these issues, inspecting and replacing the plunger is a recommended step in the repair process.

Q3: What is the recommended installation procedure for this plunger?
A: Installation should be performed by a qualified diesel mechanic. The process generally involves: removing the fuel injection pump from the engine, disassembling the pump head, carefully extracting the old plunger and barrel assembly, cleaning the bore thoroughly, lubricating the new plunger with clean diesel fuel or assembly oil, and reinstalling it in the correct orientation. Proper torque specifications and cleanliness are critical to prevent damage and ensure a proper seal. We recommend consulting the pump’s service manual for detailed instructions.