C&D CD0111 Replacement O Rings for Core Removal Tools

Quick overview

These O-Rings are perfect for repairs on core removal tools—specifically for the CD2070 and CD2085. They're a handy essential for HVAC techs, minus the ones inside the chuck.

Features and benefits

These O-Rings offer a reliable seal when servicing valve core tools, giving you peace of mind during core removal and replacement.

• ✅ Compatible with both CD2070 and CD2085 tools
• ✅ Made from durable black neoprene for long-lasting use
• ✅ Specifically sized for core tool functionality—5/16″ ID, 7/16″ OD
• ✅ Helps restore tool sealing efficiency without overhauling your chuck
• ✅ Lightweight and compact—easy to carry in your tool kit

What’s included

Everything you need to get started with tool maintenance straight out of the packet.

• ✅ 10 x Replacement O-Rings (1 Packet)
• ✅ Packaged and sealed for quality assurance

Specs at a glance

Let’s make sure this is the right fit for your tool.

• ✅ **Size:** 011 O-Ring (5/16″ ID, 7/16″ OD)
• ✅ **Weight:** 0.0008 pounds
• ✅ **Material:** Black neoprene rubber
• ✅ **Made in:** USA
• ✅ **Unit of measure:** EA (Each)

When to use these O-Rings

These O-Rings are ideal for HVAC professionals working on refrigeration systems using core tools. Replace the worn rings to ensure a tight seal—especially before pulling a vacuum or charging a system. Not needed for the chuck grip, but perfect everywhere else.