Shopping Cart

Your cart is empty.

Your cart is empty.

OEMTOOLS 25049 Piston Ring Expander, Piston Ring Installation Tool, Adjustable Piston Ring Spreader Pliers Works on Most Common Piston Rings from 3/64 to 1/4 inch, Easy to Use Ring Expanders

4.8 (2) Write Review
Free shipping on orders over $29.99

$9.99

$ 4 .99 $4.99

In Stock

About this item

  • Install and Remove Piston Rings: The piston ring expander expands piston rings for easy installation and removal of piston rings
  • Wide Application: Works on most common piston diameters and ring diameters from 3/64" to 1/4" thick
  • Comfortable Handle: The comfortable and ergonomic vinyl grip handle decreases hand fatigue
  • Easy to Use: The tapered jaws fit into the gap on most piston rings; Squeezing the handle expands the piston ring until it can move on or off the piston without scratching
  • Protect the Piston: Installing or removing piston rings with bare hands or improvised techniques could damage the piston or the piston ring; Protect your parts by using this tool


The OEM Piston Ring Expander easily installs piston rings and works on most common piston and ring diameters from 3/64 in to 1/4 in thick. It features a comfortable vinyl handle for sure grip.


Elva Harris
Reviewed in the United States on October 23, 2024
Makes installing piston rings quick and easy. It don’t spread them to far and brakes them.
Pat Al
Reviewed in the United States on September 6, 2020
I love the Piston Ring Expander. It has made working on my car's piston so much easier. I have been doing it the old fashion way for so long. That recently when I had the opportunity to use it. I felt like a kid on Christmas Morning. This is a blessing.