Product Details
Product Overview
This high-quality Fuel Injector 1278209 (127-8209) is a direct replacement part designed specifically for Caterpillar (CAT) 3114 and 3116 diesel engines. Manufactured from durable stainless steel, this injector nozzle ensures precise fuel delivery for optimal engine performance and fuel efficiency. As a critical engine component, it is ideal for B2B buyers in the construction, mining, and heavy equipment sectors. We ship globally, serving major markets including North America, Europe, the Middle East, and Asia-Pacific with fast, reliable logistics.
Key Features & Benefits
- Precision Engineering: Manufactured to meet or exceed OEM specifications for a perfect fit and reliable operation.
- Enhanced Durability: Constructed from high-grade stainless steel to resist corrosion, wear, and high combustion temperatures.
- Improved Fuel Economy: Optimized nozzle design ensures efficient fuel atomization, reducing consumption and emissions.
- 100% Professional Testing: Every injector undergoes rigorous quality checks for flow rate, spray pattern, and pressure before shipment.
- Cost-Effective Solution: A premium aftermarket replacement that offers OEM-level quality without the premium price tag.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 1278209 / 127-8209 |
| OEM Number | 1278209 |
| Type | Fuel Injector / Nozzle |
| Fuel Type | Diesel |
| Material | Stainless Steel |
| Condition | New |
| Engine Code | For Caterpillar 3114 & 3116 |
| Warranty | 6 Months |
| Quality | 100% Professional Tested |
| Packing | Neutral Package (Safe & Secure) |
| Single Weight | 1.300 kg |
| Single Size | 20 x 15 x 5 cm |
OEM Cross-Reference
- Primary Part Number: 1278209
- Alternative Part Number: 127-8209
- OEM Application: Designed as a direct replacement for Caterpillar (CAT) original equipment injectors on 3114 and 3116 engine series.
Compatibility
This fuel injector is specifically engineered for the following engines:
- Caterpillar 3114 Engine
- Caterpillar 3116 Engine
Typical Applications: Commonly used in Caterpillar backhoe loaders, excavators, wheel loaders, and industrial generator sets that utilize the 3114/3116 power plants. Please verify your engine serial number for compatibility before purchasing.
Global Supply & Distribution
- Worldwide Shipping: We offer fast and reliable shipping via DHL, FedEx, UPS, TNT, and sea freight.
- Major Markets Served: North America (USA, Canada), Europe (Germany, UK, France), Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore), and Africa.
- Fast Delivery: Orders processed within 24 hours. Delivery time to major ports and industrial centers: 3-7 working days.
- Export Experience: Experienced in international trade with professional customs documentation and packaging compliance.
Quality Assurance
- Manufacturing Standard: Produced in a certified facility in Shandong, China, following strict ISO quality management systems.
- Testing: Each unit is 100% professionally tested for spray pattern, flow rate, and leak tightness before packaging.
- Warranty: Backed by a 6-month warranty against manufacturing defects.
- Packaging: Securely packed in neutral boxes with foam protection to prevent damage during transit.
FAQ
Q1: Is this injector a direct fit for my Caterpillar 3116 engine?
A: Yes, this injector (Part #1278209) is designed as a direct OEM replacement for the Caterpillar 3116 engine. However, we recommend verifying your engine’s Serial Number (S/N) prefix to ensure complete compatibility, as minor variations may exist between engine builds.
Q2: What is the recommended installation procedure?
A: Installation should be performed by a qualified diesel mechanic. Ensure the injector bore is clean and free of debris. Use new copper washers and O-rings (not included). Tighten the injector hold-down clamp to the manufacturer’s specified torque to avoid damage. Always check and adjust valve lash after injector replacement.
Q3: How can I maintain the injector for long service life?
A: Use high-quality diesel fuel and replace your fuel filters regularly (every 250-500 hours). Contaminated fuel is the primary cause of injector failure. Ensure your fuel system is free of air and water before running the engine. Adhering to the manufacturer’s maintenance schedule will maximize the lifespan 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 3114 3116 Fuel Injector 1278209 | Diesel Engine Nozzle 127-8209 New
Send one clear inquiry and we will reply with quotation, lead time, and fitment confirmation.
- OEM number is included automatically when available.
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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.