18mm Banjo Fitting Kit for Coolant Connections on GT40R/GT42R ->> Please use ->> ATP-FTG-178

Dial in a clean, leak-free coolant line setup on your GT40R or GT42R turbocharger with this purpose-built banjo fitting kit. Designed for enthusiasts and shops finishing out a coolant feed or return circuit, it gives you the flexibility to match your preferred fitting style without compromising fitment or flow. This is the correct, Garrett-specified solution for coolant connections on these large-frame turbos.

Specifications

• Banjo Fitting Size: 18mm
• Banjo Threaded Female End: 3/8″ NPT
• Fitting Add-On Options: Standard, -6 AN Flare, 3/8″ PUSHLOCK Barb, or Decline Add-On Fitting Option
• Compact Option: Special Compact Option with low profile allen head available
• Garrett P/N: ATP-FTG-178

Performance & Application

This banjo fitting kit is engineered specifically for coolant connections on GT40R and GT42R turbochargers, giving builders a reliable way to plumb coolant lines to and from the center housing. Whether you’re running -6 AN flare hose or barb-style coolant lines, the kit accommodates your preferred connection method through selectable add-on fittings. The low-profile allen head option is well suited to tight engine bay clearances where standard bolt heads may interfere with surrounding components. It’s a straightforward, application-specific solution for anyone finishing coolant plumbing on these large-frame Garrett turbos.

Compatibility & Fitment

• GT40R turbocharger coolant connections
• GT42R turbocharger coolant connections

Frequently Asked Questions

What size is the banjo fitting?

The banjo fitting is 18mm.

What thread does the banjo fitting use?

The banjo fitting features a 3/8″ NPT female thread.

What turbochargers is this kit compatible with?

This kit is designed for coolant connections on GT40R/GT42R turbochargers.

What add-on fitting options are available?

You can choose a 3/8″ NPT to -6AN flare fitting or a 3/8″ NPT to PUSHLOCK barb fitting, or decline the add-on fitting option entirely.

For a proper, application-correct coolant connection on your GT40R or GT42R,