Product Overview

This high-precision 4P9830 Injector Plunger is engineered as a direct replacement component for Caterpillar 3306 and 3304 diesel engines. Designed for global B2B distribution, we supply heavy-duty equipment repair shops, fleet maintenance operations, and parts distributors across North America, Europe, the Middle East, and Asia-Pacific. This critical fuel system component ensures optimal engine performance and fuel efficiency in demanding excavator and industrial applications.

Key Features & Benefits

• Premium Material & Manufacturing: Manufactured from high-grade, wear-resistant materials to exacting tolerances for maximum durability and service life under high-pressure conditions.
• Precision Fit & Performance: Guarantees precise fuel metering and injection timing, restoring engine power, reducing emissions, and improving fuel economy.
• Direct OEM Replacement: Designed as a 1:1 functional equivalent to the original part, ensuring seamless integration and reliable operation without modification.
• Rigorous Quality Control: Each plunger undergoes stringent dimensional and pressure testing to meet or exceed original performance specifications.
• Global Logistics Support: Packaged securely in neutral export packaging, ready for fast international shipment to major industrial hubs and ports worldwide.

Technical Specifications

OEM Cross-Reference

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

• OEM Part Number: 4P9830
• Alternate Format: 4P-9830
• Alternate Format: Plunger4p9830

Compatibility

This 4P9830 plunger is specifically designed for the fuel injection pumps on the following Caterpillar engine models:

• Caterpillar 3306 Diesel Engine – Commonly found in Caterpillar excavators, wheel loaders, and other heavy machinery.
• Caterpillar 3304 Diesel Engine – Used in a range of industrial and construction equipment.

Note: Always verify your engine’s specific fuel injection pump model and serial number for final confirmation of compatibility before purchase.

Global Supply & Distribution

We are a professional exporter specializing in heavy-duty engine components with extensive experience in international B2B trade. Our streamlined supply chain ensures reliable delivery to key global markets:

• Worldwide Shipping: We ship via major carriers including DHL, FedEx, UPS, TNT, and EMS to destinations worldwide.
• Major Markets Served: We regularly supply partners in North America (USA, Canada), the European Union, the United Kingdom, Australia, the Middle East (UAE, Saudi Arabia), and Southeast Asia.
• Fast Delivery: Standard delivery time is 3-7 days to major air and sea ports, with expedited options available.
• Trade Compliance: All documentation (commercial invoice, packing list, certificate of origin) is provided to ensure smooth customs clearance.

Quality Assurance

Our commitment to quality ensures you receive a reliable, performance-grade component.

• Manufacturing Standards: Produced in a certified facility utilizing advanced CNC machining and honing processes to achieve precise OEM specifications.
• Comprehensive Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for your business.
• Testing Procedures: Each batch undergoes critical checks for dimensional accuracy, surface finish, and material hardness to guarantee proper fit and function.

FAQ

Q1: Is this 4P9830 plunger a direct fit for my Caterpillar 3306 engine’s injection pump?
A1: Yes, this part is manufactured as a direct replacement for the OEM 4P9830 plunger used in specific models of fuel injection pumps fitted to the Caterpillar 3306 and 3304 engines. It is crucial to confirm the exact pump model number for compatibility.

Q2: What is the typical service life of this replacement plunger?
A2: When installed correctly in a well-maintained fuel system with clean fuel, this high-quality plunger is designed to offer a service life comparable to the original part. Lifespan is ultimately dependent on operating conditions, maintenance schedules, and fuel quality.

Q3: Do you provide technical support for installation?
A3> While we supply the component, installation of precision fuel injection parts like this plunger should be performed by a qualified diesel technician with the proper tools and clean environment. We can provide general specifications, but detailed service procedures should be obtained from the official engine service manual.

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 .