aFe BladeRunner GT Series Radiator

2012–2018 Jeep Wrangler JK 3.6L V6

Part #: 46-50012-B

Overview

The aFe BladeRunner GT Series Radiator is engineered specifically for the 2012–2018 Jeep Wrangler JK equipped with the 3.6L V6 engine. Designed to deliver superior cooling performance, this radiator is ideal for Jeep enthusiasts who demand reliable temperature management during intense off-road adventures or daily driving. Its advanced bar and plate core design provides 25% more efficient cooling compared to the factory radiator, ensuring your engine stays cooler under heavy loads and extreme conditions.

Whether you’re tackling rock crawls, trail rides, or street hauling, the BladeRunner GT Series Radiator enhances your Jeep’s cooling system with increased coolant capacity and durable construction. This upgrade helps prevent overheating, improves engine longevity, and maintains optimal performance in demanding environments.

Key Features

Built to outperform the stock radiator, the aFe BladeRunner GT Series Radiator offers a range of features that combine durability, efficiency, and ease of installation:

• Unique 1 3/4" thick bar and plate aluminum core design for 25% more efficient cooling than factory tube and fin radiators
• 75% larger core surface area increases coolant capacity by 25%, maintaining lower engine temperatures
• 100% aircraft-grade TIG-welded aluminum construction for superior strength and durability
• Premium upper and lower 5-ply polyester reinforced silicone hoses that resist heat and outlast factory rubber hoses
• Billet aluminum 1 1/2" diameter inlet and outlet for long-lasting reliability and improved coolant flow
• Brass drain valve with barbed fitting for easy, mess-free coolant draining
• Uses factory mounting locations for a hassle-free, bolt-in installation
• Includes high-quality stainless steel T-bolt clamps for secure hose connections
• Brushed aluminum finish with aFe Power logo for a custom, performance-oriented appearance

Construction & Design

The BladeRunner GT Series Radiator is crafted from 100% aircraft-grade aluminum, combining lightweight properties with exceptional strength. Its bar and plate core design significantly improves heat dissipation and coolant flow compared to traditional tube and fin radiators. The core is 1 3/4" thick, making it 75% larger than the factory radiator, which increases coolant volume and enhances thermal management.

End tanks are constructed from 1/8" thick TIG-welded aluminum plates, providing rugged durability to withstand off-road vibrations and impacts. The billet aluminum inlet and outlet ports are precision-machined for reliable sealing and long-term performance. Premium 5-ply silicone hoses resist cracking, swelling, and heat degradation, ensuring a long service life under demanding conditions.

Installation & Fitment

This radiator is designed as a direct replacement for the factory unit on 2012–2018 Jeep Wrangler JK models with the 3.6L V6 engine. It installs using the original mounting points, requiring no modifications or custom brackets. The included premium silicone hoses and stainless steel T-bolt clamps simplify the installation process, providing a secure and leak-free fit. The package also includes a 1.3 Bar radiator cap to maintain proper system pressure.

What's Included

• aFe BladeRunner GT Series Radiator with bar and plate core
• Upper and lower 5-ply polyester reinforced silicone radiator hoses
• Stainless steel T-bolt clamps for hose connections
• 1.3 Bar radiator cap
• Brass drain valve with barbed fitting

Ideal For

This radiator is perfect for Jeep Wrangler JK owners who demand enhanced cooling performance for off-road use, towing, or high-temperature environments. It suits enthusiasts looking to upgrade their cooling system for improved reliability and engine protection during extended drives or heavy-duty applications. The durable construction and increased coolant capacity make it an excellent choice for both daily drivers and serious off-road adventurers.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.