This replacement high pressure O-ring is used on all the K-Pumps. This is the small O-ring that is used on all K-Pumps.
Specs
Dimensions:
Outside diameter: 2 5/8"
WARNING: This product can expose you to Di(2 - ethylhexyl)phthalate(DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. More about California Proposition 65 »