aFe Intercooler

Fits 2017–2018 GM Diesel Trucks V8-6.6L L5P

Part #: 46-20331

Overview

The aFe BladeRunner GT Series Intercooler is designed to enhance the performance and efficiency of your 2017–2018 GM diesel truck equipped with the V8-6.6L L5P engine. Crafted with a larger, high-capacity bar and plate core, this intercooler provides superior heat dissipation and airflow compared to the stock unit. Its robust construction and innovative design make it an ideal upgrade for truck enthusiasts seeking improved charge air cooling, increased power potential, and reliable performance under demanding conditions. This intercooler is perfect for those looking to optimize their diesel truck’s response, reduce intake temperatures, and support higher boost levels. Whether for daily driving, towing, or performance modifications, the BladeRunner GT Series intercooler helps maintain consistent charge temperatures, contributing to better overall engine efficiency and durability.

Key Features

Designed with performance and durability in mind, the BladeRunner GT Series intercooler features a 2-5/8 inch bar and plate core that offers increased surface area for heat transfer. The unique end tanks are constructed from 3/16 inch TIG-welded aluminum plates, ensuring strength and corrosion resistance. The billet aluminum inlet and outlet provide a precise fit and excellent thermal conductivity, supporting optimal airflow and heat exchange. This intercooler’s larger core and high-quality materials help improve charge cooling, reduce turbo lag, and support higher power levels without sacrificing reliability.

Construction & Design

The intercooler’s core employs a bar and plate design, which is more efficient at heat transfer than traditional tube and fin configurations. The TIG-welded aluminum end tanks are engineered for durability and optimal airflow distribution, minimizing pressure drop and maximizing cooling efficiency. The billet aluminum inlet and outlet fittings are machined for a precise fit, ensuring a secure connection to your vehicle’s existing piping.

Installation & Fitment

This intercooler is designed as a direct bolt-on upgrade for 2017–2018 GM diesel trucks with the L5P engine. Installation typically involves removing the stock intercooler and replacing it with the BladeRunner GT Series unit, with no additional modifications required. Proper fitment and alignment are supported by the precision-machined inlet and outlet ports.

Ideal For

Performance enthusiasts seeking improved charge air cooling and increased power output. Towing and heavy-duty users who require consistent engine temperatures under load. Truck owners aiming to enhance the durability and response of their diesel engine with a high-quality intercooler upgrade.