CAT Pump Head Assembly Description
The YNF16920 Fuel Pump Head Assembly is a high-precision, fully assembled top-end component of the fuel injection pump, specifically developed for Caterpillar engine models C6.4, C6.6, C4.4, and C4.2. This unit integrates critical parts including the pump head body, internal control valves, and sealing interfaces. As a replacement for damaged or worn OEM heads, it restores the diesel injection pump’s pressure integrity, flow control, and efficiency. Built to exact specifications, it meets the demands of heavy-duty machinery and industrial diesel systems. Ideal for professional pump rebuilders, engine service centers, and B2B aftermarket distributors.
CAT Fuel Pump Head Assembly Technical Sheet
| Parameter | Details |
| YNF Part Number | YNF16920 |
| Compatible Engines | CAT C6.4, C6.6, C4.4, C4.2 |
| Part Category | Fuel Pump Head Assembly / Top-End Component |
| Application | Diesel engine injection system repair/rebuild |
| Assembly Contents | Pump head body, valves, internal components |
| Material | High-grade alloy steel, hardened working surfaces |
| Compatibility | Common rail and mechanical pump versions |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 Set |
| Shipping Method | Sea, Air, Express |
| Payment Method | T/T, PayPal, Western Union |
CAT Pump Head Assembly Applications
| Application Area | Description |
| CAT C Series Engines | Fuel system restoration in C6.4, C6.6, C4.4, C4.2 |
| Diesel Injection Pump Rebuild | Direct use in repair shops and rebuild centers |
| Machinery Maintenance | Common in CAT excavators, loaders, gensets |
| Parts Distribution Networks | High-demand aftermarket product |
Fuel Pump Head Assembly Detail Display
Related Products:
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CAT Fuel Injector for C4.4 / C6.6
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Pump Rebuild Kit for CAT Injection Systems
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Fuel Regulator Valve for CAT Common Rail
FAQs:
Q: Does this assembly include all internal moving parts?
A: Yes, it comes preassembled with valve guides, ports, and seals.
Q: Is this pump head compatible with electronically controlled units?
A: Yes, it supports both common rail and mechanical setups—depending on configuration.
Q: Can I purchase this in volume with export packaging?
A: Absolutely, we provide bulk supply, OEM labeling, and export packaging solutions.
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