Product Details
Product Overview
This high-performance PT Series Diesel Fuel Injection Pump Plunger is engineered for precision and durability in demanding heavy-duty applications. Designed as a direct replacement for OEM components, it ensures optimal fuel delivery and engine efficiency for excavators and other industrial machinery. We supply this critical engine part to a global network of distributors, equipment repair shops, and fleet operators across North America, Europe, the Middle East, and the Asia-Pacific region.
Key Features & Benefits
- Precision Engineered: Manufactured to exacting tolerances for a perfect fit and reliable performance, ensuring consistent fuel pressure and injection timing.
- Enhanced Durability: Constructed from high-grade materials to withstand extreme pressures and resist wear, extending service life and reducing downtime.
- Optimal Fuel Efficiency: Precise machining promotes complete fuel atomization, leading to improved combustion, better fuel economy, and lower emissions.
- Rigorous Quality Testing: Each plunger undergoes 100% professional testing to verify dimensional accuracy, surface finish, and pressure integrity before shipment.
- Global Logistics Support: Available for fast international shipping with flexible payment terms (TT, Western Union, PayPal), ensuring timely delivery to major industrial hubs and ports worldwide.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | PT68, PT78 |
| OE Reference Number | 1466100312 |
| Type | Diesel Fuel Injection Pump Plunger |
| Condition | New |
| Weight | 0.6 kg (Single Unit) |
| Package Size | 35 x 15 x 25 cm |
| Packing | Neutral / Standard Export Package |
| Place of Origin | Shandong, China |
| Minimum Order Quantity (MOQ) | 1 Piece |
OEM Cross-Reference
This plunger is a direct interchange for the following OEM part numbers:
- Primary OE Number: 1466100312
- Part Numbers: PT68, PT78
Please verify your original pump model and part number for confirmation before ordering.
Compatibility
This PT Series plunger is designed for specific models of diesel fuel injection pumps used in various heavy-duty machinery. It is commonly found in applications for:
- Excavators and construction equipment utilizing compatible diesel engines.
- Industrial and generator set engines requiring PT-type fuel injection systems.
Note: Compatibility is determined by the injection pump model, not solely the vehicle. Always cross-reference the pump’s part number (PT68 or PT78) or the OE number (1466100312) for accurate fitment.
Global Supply & Distribution
We are a specialized supplier in the global heavy-duty parts market. Our streamlined export process ensures reliable delivery to key markets:
- Worldwide Shipping: We export to North America, South America, Europe, the Middle East, Africa, and Asia-Pacific.
- Fast Delivery Network: Standard delivery time is 3-7 days for order processing and dispatch, with expedited options available to major ports and logistics centers.
- International Trade Expertise: All shipments are prepared with complete commercial invoices, packing lists, and comply with standard international shipping regulations for a smooth customs clearance process.
- B2B Focus: We support wholesale, distribution, and large-quantity orders with competitive pricing and dedicated account management.
Quality Assurance
Our commitment to quality ensures you receive a reliable component for critical engine systems.
- Manufacturing Standards: Produced in ISO-oriented facilities using advanced CNC machining and honing processes for micron-level precision.
- Comprehensive Warranty: Backed by a 3-month warranty against manufacturing defects, providing peace of mind for your operations.
- Testing Protocol: Every plunger is subject to professional testing, including dimensional checks, hardness verification, and visual inspection for surface defects to guarantee performance.
FAQ
Q1: How do I confirm this plunger is compatible with my injection pump?
A1: Compatibility is key. You must identify the part number stamped on your original plunger or the model of your injection pump. Match it to our listed part numbers (PT68 or PT78) or the OE number (1466100312). If unsure, provide clear photos of your old part for our technical team to verify.
Q2: What is the installation process for this plunger?
A2: Installing a fuel injection pump plunger requires specialized knowledge and tools. It involves disassembling the injection pump in a clean environment, replacing the worn plunger and barrel as a matched set (recommended), and recalibrating the pump for proper fuel delivery. This task should be performed by a qualified diesel technician.
Q3: Do you provide technical support or documentation for this part?
A3: Yes. While detailed service manuals are model-specific, we can provide general dimensional drawings and material specifications for the PT68/PT78 plunger upon request. For complex fitment questions, our engineering team is available to assist B2B clients.
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 .
FAQ
Common Product Inquiry Questions
How can I confirm this part matches my engine or injector model?
Send the OEM number, engine model, application, or clear product photos. We will help verify the suitable part before quotation.
Can I ask for packing, shipping, and delivery details together?
Yes. You can combine product confirmation, quantity, destination, packing request, and shipment method in one inquiry so the quotation is more complete.
Why is price not displayed on the page?
This catalog is built for B2B inquiry. Final pricing depends on the confirmed part number, quantity, stock situation, and shipping destination.
What information helps you quote faster?
Please include the OEM number, engine model, quantity, destination country, and any packing or shipping preference. This usually speeds up matching and quotation.
Inquiry Desk
Send Product Inquiry
Use this form to ask for fitment, MOQ, delivery time, packing, and shipping support for this product.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.
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Quick Inquiry
PT Series Diesel Fuel Injection Pump Plunger PT68 PT78 for Excavator Engines
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
- Add quantity, destination, and packing needs for a faster quote.
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Inquiry Desk
Send Inquiry
Quick contact for this product. OEM number is attached automatically.
- Simple inquiry flow with direct sales follow-up.
- Send OEM number, quantity, or destination in the optional message if available.
- Every submission is stored in WordPress and sent to your admin email.