CAT C4.4 / C7.1 Injector Description
YNF16949 is a high-quality common rail injector compatible with CAT part 449-3315 and Bosch 0445120400. Engineered for CAT C4.4 and C7.1 diesel engines, this electronically controlled injector supports high-pressure fuel delivery and precise atomization, contributing to efficient combustion, reduced emissions, and optimal power output. Manufactured to exacting tolerances with advanced sealing and anti-corrosion treatment, it meets the demands of construction, agricultural, and industrial applications. It’s a dependable solution for engine rebuilders, parts distributors, and service teams working with electronically managed diesel systems.
C4.4 / C7.1 Injector Technical Sheet
| Parameter | Details |
| Part Numbers | 0445120400 / 449-3315 |
| YNF Part Number | YNF16949 |
| Compatible Engines | CAT C4.4 / C7.1 |
| Fuel System Type | Bosch Common Rail, Electronic Control |
| Injection Pressure | High-pressure, ECU-regulated |
| Application | Excavators, Loaders, Compact Diesel Machinery |
| Material | Heat-treated alloy, precision-machined components |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 Piece |
| Shipping Method | Sea, Air, Express |
| Payment Method | T/T, PayPal, Western Union |
0445120400 Injector Applications
| Application Area | Description |
| CAT C4.4 / C7.1 Engines | Core component in modern CAT diesel fuel systems |
| Compact Construction Machines | Used in CAT E-series excavators and loaders |
| Industrial Diesel Engines | Provides precise fuel control in power units and gensets |
| Diesel System Maintenance | Ideal for parts replacement and engine servicing |
0445120400 Injector Detail Display
Related Products:
-
CAT Fuel Rail for C4.4 / C7.1 Engines
-
Common Rail Pressure Sensor for CAT
-
Injector Seal Kit for CAT C Series
FAQs:
Q: Is this injector compatible with Tier 4 CAT machines?
A: Yes, it is widely used in Tier 3 and Tier 4 CAT systems with C4.4 / C7.1 engines.
Q: Do you provide programming instructions?
A: While installation guides are available, injector coding should be done via ECU diagnostic tools.
Q: Are test reports available for this injector?
A: Yes, flow and response test documents can be provided upon request.
Skip to content 
