The aFe 46-20118 is a BladeRunner 3 inch cold-side intercooler tube for 2011-2016 GM trucks with the 6.6L Duramax LML turbo diesel. It is a mandrel-bent aluminum tube with a black powder-coat finish that routes cooled, charged air from the intercooler to the engine, replacing the factory cold-side tube for smoother, higher-volume flow. It is sold individually.
- Type: BladeRunner cold-side intercooler charge tube
- Diameter: 3 in
- Material: aluminum, black powder coat
- Application: 6.6L Duramax LML turbo diesel
- Fit: direct replacement for factory cold-side tube
- Quantity: sold individually (each)
- Part number: 46-20118
Vehicle Applications
- 2011-2016 Chevrolet Silverado & GMC Sierra 2500 HD / 3500 HD, 6.6L Duramax LML Turbo Diesel V8
FAQ
What is the aFe 46-20118?
It is a BladeRunner 3 inch cold-side intercooler tube for 2011-2016 GM 6.6L Duramax LML diesel trucks.
What does it fit?
It fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD with the 6.6L Duramax LML turbo diesel.
What is the cold side?
It is the tube that carries cooled air from the intercooler to the engine, replacing the factory cold-side tube.
Is this a genuine aFe part?
Yes. It is genuine aFe part number 46-20118.

