Part Name: Fuel Injector Nozzle 7n0449
Part Number: 7n0449
Basic Info.
| Parts no. | 7n0449 | Material | steel |
| Type | Fuel Injector Nozzle | Parts Type | Engine Parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed：2026/01/27
- Manufacturer：Diron Parts
Product Description
- Part Number: 7n0449
- Parts Type：Fuel Injector Nozzle 7n0449
- Description: Fuel Injector Nozzle 7n0449 for Caterpillar
The 7N-0449 is a precision-engineered aftermarket fuel injector nozzle designed for Caterpillar® 3306 and 3406 series diesel engines. This nozzle delivers reliable fuel atomization, consistent spray pattern, and stable injection timing to support efficient combustion, full power output, and reduced emissions in demanding industrial, construction, marine, and generator-set applications.
Key Features & Benefits
- Optimized orifice geometry for excellent fuel atomization and combustion efficiency
- Consistent spray pattern across full RPM range for smooth engine performance
- High-pressure sealing surfaces for reliable operation under extreme injection pressures
- Calibrated flow rate and spray angle to match factory specifications
- 100 % flow-tested and visually inspected for uniform spray and no leakage
- Proven reliability in high-hour engine operations
Common Applications (Caterpillar® Compatibility)
- Engines: – 3306 (PC & DI) – 3406 (early mechanical)
- Typical Machines: – Track-Type Tractors: D6D, D7G, D8K – Wheel Loaders: 966C, 966D, 980C – Excavators: 225, 235 – Generator sets, marine propulsion, and industrial power units
Technical Specifications
- Part Number Reference: 7N-0449
- Type: Multi-orifice fuel injector nozzle
- Number of Orifices: 9
- Spray Angle: Factory-matched
- Flow Rate: Calibrated to OEM standards
- Injection Pressure Compatibility: Up to 1,500 bar
- Weight: ≈ 0.3 kg (0.7 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.
- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.
- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.
