CAT C4.4 / C6.4 Injector Description
YNF16937 is a precision-engineered diesel fuel injector designed to replace CAT part number 320-0680. Built for use in Caterpillar C4.4 and C6.4 engine platforms, this high-pressure common rail injector ensures accurate and electronically controlled fuel delivery. It promotes efficient combustion, engine responsiveness, and compliance with emission standards. Ideal for use in CAT compact and mid-size machinery such as excavators, loaders, and industrial diesel systems, this injector is made from durable, high-strength materials and tested for consistent flow performance. Trusted by rebuilders, fleet service providers, and global B2B buyers.
C4.4 / C6.4 Injector Technical Sheet
| Parameter | Details |
| Part Number | 320-0680 |
| YNF Part Number | YNF16937 |
| Compatible Engines | CAT C4.4 / C6.4 |
| Fuel System Type | High-Pressure Common Rail |
| Control Type | Electronic (ECU regulated) |
| Nozzle Type | Precision atomizing tip |
| Application | Excavators, Loaders, Diesel-Powered Equipment |
| Material | Hardened alloy with anti-wear coating |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 Piece |
| Shipping Method | Sea, Air, Express |
| Payment Method | T/T, PayPal, Western Union |
320-0680 Injector Applications
| Application Area | Description |
| CAT C4.4 / C6.4 Engines | High-efficiency injector for small to mid-size engines |
| Construction Equipment | Widely used in CAT compact excavators and loaders |
| Diesel Engine Overhaul | Key component for restoring injection systems |
| Global Parts Distribution | Popular in OEM-style B2B inventory systems |
320-0680 Injector Detail Display
Related Products:
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CAT Fuel Pump for C4.4 / C6.4
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Injector Seal Kit for 320-0680
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Fuel Rail Assembly for CAT Mid-Size Engines
FAQs:
Q: Is this injector compatible with both Tier 3 and Tier 4 engines?
A: Yes, it is typically used in Tier 3 setups but may fit some Tier 4 versions—check ECU specs for confirmation.
Q: Do you offer injector coding service?
A: We can provide pre-test and delivery with calibration data if required.
Q: What’s the warranty for YNF16937?
A: Standard warranty applies—contact us for full terms and B2B support packages.
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