Mastercool 71600-13 Expander Head – 1 5/8" Tubing

Expanding large-diameter tubing? This 1 5/8" expander head is built for the job—giving you a clean, consistent finish without cracking or splitting the tube wall.

What you'll find on this page

• ✅ Built for big tubing jobs
• ✅ Fits Mastercool hydraulic kits
• ✅ Expands smoothly and accurately
• ✅ Compatible with copper, aluminium and soft steel

Built for big tubing jobs

Need to expand 1 5/8" (41.3 mm) tubing? This head is designed for those larger HVAC and refrigeration lines, where precision is key.

• ✅ 1 5/8" O.D. tubing size support
• ✅ Ideal for commercial HVAC and industrial systems
• ✅ Great for installers working with large copper coils

Fits Mastercool hydraulic kits

This head connects directly to your Mastercool hydraulic tube expander body (like the 71600 or 71675 kits), making it easy to upgrade without buying a full new set.

• ✅ Compatible with Mastercool Hydra-Swage systems
• ✅ Easy to attach, switch and store
• ✅ Made to match OEM specs for Mastercool expander tools

Expands smoothly and accurately

This isn’t just about size—it’s about quality. Each expansion is even and precise, giving you reliable results you can trust on every job.

• ✅ Reduces the risk of split or oval-shaped tube ends
• ✅ No need for additional heating or annealing
• ✅ Leaves a smooth finish for tight, leak-proof connections

Compatible with copper, aluminium and soft steel

Whether you're working on a domestic split system or an industrial chiller, this head is made for flexibility with soft metal tubing.

• ✅ Works with copper, aluminium, and soft steel
• ✅ Great for HVAC, refrigeration, and pressure lines
• ✅ Australian tradie favourite for high-end installs

Works Best With

Get the most out of your Mastercool 71600-13 Expander Head by pairing it with these compatible tools and accessories:

• Mastercool 45° Eccentric Flaring Tool 6 Sizes (70059) – Create tight, leak-free flares to complement your expanded tubing.
• Mastercool EZ Reduced Friction Tube Cutter (72035) – Smooth, clean cuts with minimal effort — the perfect first step before expanding tubing.
• Mastercool Hydraulic Tube Expander Kit (71600) – The essential base kit that your 71600-13 expander head is designed to fit.