CAT 3126 HEUI Injector Description
YNF16947 is a premium HEUI (Hydraulic Electronic Unit Injector) fuel injector that replaces CAT part numbers 177-4754 and 10R-9237, specifically engineered for use in Caterpillar 3126 engines. This injector is hydraulically actuated and electronically controlled, ensuring precise timing and fuel metering under varying engine loads. Built from heat-treated alloys and equipped with high-precision internal components, it supports stable injection performance, better combustion, and emission compliance. Widely used in CAT-powered trucks, buses, and construction machinery, this injector is a trusted solution for professional rebuilders and B2B diesel parts suppliers.
CAT 3126 HEUI Injector Technical Sheet
| Parameter | Details |
| Part Numbers | 177-4754 / 10R-9237 |
| YNF Part Number | YNF16947 |
| Compatible Engine | CAT 3126 |
| Fuel System Type | HEUI (Hydraulic Electronic Unit Injector) |
| Actuation | Electronically Controlled, Hydraulically Activated |
| Application | CAT Trucks, Buses, Construction Machinery |
| Material | Hardened steel with precision-machined internals |
| Country of Origin | China |
| Brand | YNF |
| MOQ | 1 Piece |
| Shipping Method | Sea, Air, Express |
| Payment Method | T/T, PayPal, Western Union |
177-4754 HEUI Injector Applications
| Application Area | Description |
| CAT 3126 Diesel Engines | Electronically managed fuel injection systems |
| Trucks and Buses | Medium-duty vehicles using 3126 HEUI engines |
| Construction Equipment | CAT machines requiring high-pressure fuel injection |
| OEM Repair and Replacement | Preferred solution for diesel engine rebuild projects |
177-4754 Injector Detail Display
Related Products:
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CAT 3126 HEUI High-Pressure Oil Pump
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Injector O-ring Seal Kit for HEUI System
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CAT ECM Module for 3126 Engine
FAQs:
Q: Is this injector suitable for all variants of the 3126 engine?
A: Yes, as long as the engine uses a HEUI fuel system. Confirm part number match for best results.
Q: Does installation require calibration?
A: Yes, programming via diagnostic tools is required to register injector values.
Q: Is it available for bulk orders?
A: Yes, we offer volume pricing, OEM packaging, and fast logistics solutions.
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