INSTALLATION INSTRUCTIONS

The COOLMASTER 49472K is a rugged, direct-fit Single Core Transmission Cooler Kit designed for the Jeep Wrangler JK, suitable for petrol engine variants only. Compatible with the ERB 3.6L Petrol and EGT 3.8L Petrol engines, this kit supports models fitted with the 4-speed 42RLE and 5-speed 722.6 automatic transmissions.

Built to enhance thermal stability under harsh conditions, this cooler is perfect for Wrangler owners who frequently tow, off-road, or drive in high-temperature environments.

Key Features:

• Efficient Single Core Cooler – Compact design with proven cooling performance
• Supports 42RLE & 722.6 Transmissions – Designed for both 4- and 5-speed Wrangler drivetrains
• Engine Compatibility – Works with petrol variants (3.6L, 3.8L)
• Improves Heat Management – Reduces transmission wear and extends service life
• Ideal for Off-Road & Towing Applications – Keeps your gearbox cooler in demanding conditions
• Complete Installation Kit – Includes brackets, quality hoses, and all required fittings

The COOLMASTER 49472K is the trusted solution for Jeep JK owners who need reliable transmission cooling performance – whether they’re tackling rocky trails or hauling gear through the outback.