Product Overview

This high-quality A-type Plunger (Part Number: 9412038421) is a precision-engineered component designed for the fuel injection system of various car engines. Manufactured to meet stringent OE specifications, this plunger ensures reliable fuel delivery and optimal engine performance. We supply this critical part globally to markets across North America, Europe, Asia-Pacific, the Middle East, and South America, offering a cost-effective replacement solution for repair and maintenance workshops.

Key Features & Benefits

• Precision Engineering: Manufactured to standard OE dimensions (9412038421 / 9038-421) for a perfect fit and seamless operation.
• High Durability: Constructed from premium-grade materials to withstand high pressure and wear, ensuring a long service life.
• Reliable Performance: Designed to restore fuel injection accuracy, improving engine efficiency, power output, and reducing emissions.
• Direct Replacement: A direct swap for the original part, simplifying the repair process and minimizing downtime.
• Rigorous Testing: Each unit undergoes quality control checks to guarantee consistent performance and reliability.

Technical Specifications

OEM Cross-Reference

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

• Primary OE: 9412038421
• Cross References: 9 412 038 421, 9038-421, 9038/421

Note: Always verify the physical dimensions and application of your original part to ensure compatibility.

Compatibility

This A-type plunger is designed for use in fuel injection pumps found in a wide range of car engines. It is a standard replacement part for many common automotive diesel injection systems. Please confirm the part number 9412038421 matches your existing component before purchase.

Global Supply & Distribution

We are a dedicated supplier of diesel engine components with a robust global logistics network. Our distribution capabilities include:

• Worldwide Shipping: We ship to all major international destinations via DHL, FedEx, EMS, TNT, and UPS.
• Major Markets Served: North America (USA, Canada, Mexico), Europe (Germany, UK, France, Italy), Asia-Pacific (Australia, Japan, Korea), Middle East (UAE, Saudi Arabia), and South America (Brazil, Argentina).
• Fast Delivery: Standard delivery time is 3-7 business days from order confirmation, ensuring minimal downtime for your operations.
• Trade Compliance: We have extensive experience in international export documentation and customs clearance.

Quality Assurance

Quality is our top priority. This product is manufactured in an ISO-certified facility in Shandong, China, following strict quality control procedures.

• Manufacturing Standard: Produced according to OE specifications.
• Warranty: Backed by a 6-month warranty against manufacturing defects.
• Testing: Each plunger is inspected for dimensional accuracy and surface finish before packaging.
• Packaging: Securely packed in neutral packaging to prevent damage during transit.

FAQ

1. How can I confirm this 9412038421 plunger fits my injection pump?

To ensure a correct fit, please compare the part number on your original plunger with our listing. The primary number is 9412038421, also known as 9038-421. If your part has a different number, please contact our support team with your pump model and existing part number for verification.

2. What is the installation procedure for this A-type plunger?

Installation should be performed by a qualified diesel mechanic. The process typically involves removing the delivery valve holder and spring, extracting the old plunger, cleaning the bore, and carefully inserting the new plunger. Proper lubrication with clean diesel fuel is essential during assembly. Incorrect installation can lead to pump damage or engine malfunction.

3. What maintenance is required for this plunger after installation?

This plunger is a wear-and-tear item and requires no specific maintenance after installation. However, the overall health of the fuel system is critical. We recommend using clean, high-quality diesel fuel and replacing your fuel filters at regular intervals to prevent contaminants from damaging the new plunger and other injection components.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .