When o-rings fail its commonly one of the issues, they're the wrong size, impromper installation, excessive pressure, expansion rupture and chemical degradation.
Main causes of failure of O-ring seals-Permanent deformation
O Ring Failure Guide - Abrasion / Extrusion / Compression set
Main causes of failure of O-ring seals-Permanent deformation
Piston Ring Science - Piston Rings
7 Common Reasons Why O-Rings & Seals Fail
Hydraulic Seals: Construction, Types, Applications, and Benefits
How to Identify 5 Common Reasons for O-Ring Failure
Common Reasons For O-Ring Failure
Common Reasons Why O-Ring Fails
Rubber O Rings Kit 10/50pcsDouble-sided Protect Rubber Grommets Ring 4/5/6/8/9/10/12/14 /16mm GB Rubber Gasket for Protect Wire Sealing Gasket (Size : Asize 14mm GB, Color : 50pcs) : : Automotive
Hydraulic Seals: Construction, Types, Applications, and Benefits
Six Tips for Avoiding O-ring Problems
Common Reasons Why O-Ring Fails
Solving the Common Causes of O-ring Failure
O Ring Failure Guide - Abrasion / Extrusion / Compression set : Barnwell