Product Details
Product Overview
This high-quality diesel fuel injector, identified by OEM numbers 127-8222 and 1278222, is a direct replacement component designed specifically for Caterpillar 3114 and 3116 diesel engines. Manufactured to meet OEM standard specifications, this injector ensures reliable fuel delivery and optimal engine performance. We serve a global clientele, with major exports to North America, Europe, Southeast Asia, the Middle East, and Africa, ensuring fast and reliable shipping to industrial hubs worldwide.
Key Features & Benefits
- Precision Engineering: Manufactured to OEM standard dimensions for a perfect, hassle-free fit and direct replacement of the original part.
- Durable Construction: Constructed from high-grade stainless steel to withstand extreme pressures and temperatures, ensuring a long service life.
- Optimized Fuel Atomization: Delivers precise fuel metering and atomization, leading to improved combustion efficiency, reduced fuel consumption, and lower emissions.
- Reliable Performance: Rigorously tested to ensure consistent performance under demanding working conditions, reducing downtime and maintenance costs.
- Cost-Effective Solution: A premium aftermarket alternative to expensive OEM parts, providing excellent value without compromising on quality.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 127-8222 / 1278222 |
| Product Type | Diesel Fuel Injector |
| Condition | Brand New |
| Material | Stainless Steel |
| Engine Application | Caterpillar 3114, 3116 |
| Size | OEM Standard |
| Quality | High-Quality Aftermarket |
| Warranty | 5 Months |
| Place of Origin | Shandong, China |
OEM Cross-Reference
This injector is a direct replacement for the following OEM part numbers:
- Caterpillar: 127-8222, 1278222
Please verify your engine model and part number to ensure compatibility.
Compatibility
This fuel injector is specifically designed for use in the following engine models:
- Caterpillar 3114 Engine
- Caterpillar 3116 Engine
These engines are commonly found in Caterpillar industrial equipment, generator sets, and on-highway trucks. Please confirm your specific engine serial number for correct fitment.
Global Supply & Distribution
We offer comprehensive global logistics solutions to meet the needs of B2B buyers worldwide. Our supply chain is designed for speed and reliability:
- Worldwide Shipping: We partner with major carriers including DHL, UPS, FedEx, TNT, and EMS to ensure fast and secure delivery.
- Major Markets Served: North America, Europe, Asia-Pacific, Middle East, Africa, and South America.
- Fast Delivery: Efficient processing and shipping from our warehouse in Shandong, China, to major ports and industrial centers globally.
- Flexible Payment: We accept T/T, Western Union, PayPal, and Trade Assurance for secure transactions.
Quality Assurance
We are committed to providing products that meet the highest standards of quality and reliability:
- Manufacturing Standards: Produced in ISO-certified facilities following strict quality control processes.
- Testing: Each injector undergoes rigorous testing for pressure, spray pattern, and leak integrity before shipment.
- Warranty: Backed by a 5-month warranty against manufacturing defects, ensuring your peace of mind.
FAQ
Q: Is this injector a direct replacement for my Caterpillar 3116 engine?
A: Yes, this injector (127-8222) is designed as a direct OEM replacement for the Caterpillar 3114 and 3116 engine models. It matches the original specifications for a plug-and-play installation. We recommend verifying your engine’s serial number to confirm compatibility.
Q: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. Ensure the fuel system is depressurized, clean the injector bore thoroughly, replace the copper washer and O-rings, and torque the injector to the manufacturer’s specifications. Proper installation is critical to prevent leaks and ensure optimal performance.
Q: How should I maintain this fuel injector for longevity?
A: Use high-quality, clean diesel fuel and replace your fuel filters at the intervals recommended by Caterpillar. Contaminated fuel is the primary cause of injector failure. Regular maintenance of the entire fuel system will significantly extend the life of this injector.
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
Caterpillar 127-8222 / 1278222 Diesel Fuel Injector for 3114 3116 Engines OEM Standard
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.
Inquiry Form
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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.