How many fuel injectors does a Chevy Silverado have?
The exact number of fuel injectors on a Chevy Silverado depends on the engine you have. In short, some configurations use one injector per cylinder, while newer engines with both direct and port injection can wire in two injectors per cylinder. The precise count varies by model year and engine code.
To understand the injector count for a specific Silverado, it helps to know which engine is under the hood. Below is a breakdown of common gasoline and diesel configurations you might encounter in current Silverado models, along with their typical injector layouts.
Gasoline engines: injector counts by engine
Note: The counts below reflect typical factory configurations for widely used Silverado gasoline engines. Some model years may vary, so verify for your exact vehicle.
- 4.3L V6: 6 injectors (one per cylinder, port injection).
- 2.7L Turbo I-4: 8 injectors (4 direct + 4 port).
- 5.3L V8: 16 injectors (8 direct injectors + 8 port injectors).
- 6.2L V8: 16 injectors (8 direct injectors + 8 port injectors).
These counts illustrate the range in gasoline-powered Silverados from base six-cylinder to modern twin-injection V8s. Always confirm with the owner’s manual or a dealer for your exact year and engine code.
Diesel option: Duramax injectors
Silverado models equipped with a Duramax diesel use one high-pressure injector per cylinder. The total equals the number of cylinders in that engine.
- 3.0L Duramax I-6: 6 injectors.
- 6.6L Duramax V8 (in some heavy-duty configurations): 8 injectors.
Diesel injectors operate at higher pressures and differ in function from gasoline injectors, but the count still tracks with the cylinder count of the engine.
How to confirm the injector count on your Silverado
To verify the exact injector count for your truck, use these steps:
- Check the engine code on the under-hood label or in the owner’s manual; the code identifies the specific engine model.
- Look up factory specifications for your VIN on Chevrolet’s official site or in the service manual.
- Count the injectors by following the fuel rails—gasoline engines typically have one injector per cylinder; dual-injection engines will have two per cylinder.
- When in doubt, ask a Chevrolet dealer or a qualified mechanic with your VIN at hand.
Note: Exact injector counts can vary by model year and trim, so use official documentation to confirm.
Summary
In summary, there isn’t a single number for all Silverados. A baseline 4.3L V6 typically has six injectors, newer gasoline V8s with dual (direct + port) injection commonly total 16 injectors, and diesel Duramax variants use six or eight injectors depending on the engine. To know your specific injector count, identify your engine code via the VIN or under-hood label and consult the official specifications or dealer guidance.
