CAT 3406B / 3412C Injector Description
YNF16948 is a mechanical fuel injector designed for Caterpillar 3406B and 3412C diesel engines, replacing OEM part number 7W-7037. Built for direct injection systems, this injector delivers precise fuel atomization under high pressure, promoting efficient combustion and robust engine output. Manufactured from high-grade alloy steel and engineered to withstand demanding operational conditions, it is widely used in trucks, heavy machinery, and marine engines powered by CAT platforms. Ideal for engine rebuilds, heavy equipment maintenance, and B2B diesel parts supply.
CAT 7W-7037 Injector Technical Sheet
| Parameter | Details |
| Part Number | 7W-7037 |
| YNF Part Number | YNF16948 |
| Compatible Engines | CAT 3406B / CAT 3412C |
| Fuel System Type | Mechanical Direct Injection |
| Injection Type | High-pressure, non-electronic |
| Application | Trucks, Marine Engines, Earthmoving Machinery |
| Material | Hardened steel with corrosion-resistant finish |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 Piece |
| Shipping Method | Sea, Air, Express |
| Payment Method | T/T, PayPal, Western Union |
7W-7037 Injector Applications
| Application Area | Description |
| CAT 3406B / 3412C Engines | Mechanical diesel injection system components |
| Heavy-Duty Trucks | Fuel injector for over-the-road and off-road vehicles |
| Marine & Power Units | Used in ships and fixed industrial engines |
| Diesel Engine Overhaul | Key part in CAT mechanical engine rebuilds |
7W-7037 Injector Detail Display
Related Products:
-
Fuel Pump for CAT 3406B / 3412C
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Injector Washer and Seal Kit for CAT Mechanical Engines
-
Full Engine Overhaul Kit for CAT 3406 Series
FAQs:
Q: Is this injector suitable for electronic fuel systems?
A: No, it is designed exclusively for mechanical direct injection systems.
Q: Is this injector compatible with marine engines?
A: Yes, widely used in marine versions of CAT 3412C and 3406B.
Q: Can you supply this in bulk with OEM-style packaging?
A: Yes, bulk orders and branded packaging are available on request.
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