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A Small Seal That Keeps Big Suspension Components Leak-Free
This Nitrile 70A O-ring is built to ICON's spec for rebuilding Delta Joints, shocks, and other sealed suspension hardware. Keeping the correct durometer and inner diameter on hand means a worn seal never turns into a bigger repair down the road.
Key Features
- 0.414 inch inner diameter, AS568-904 dash size
- Nitrile (Buna-N) 70A durometer compound
- Resists grease, oil, and hydraulic fluid exposure
- Matches OE ICON tolerances for a proper seal every time
- Sold individually for targeted rebuilds and spot repairs
- Compatible with ICON Delta Joint, shock, and reservoir rebuild kits calling for this size
Specifications
| Detail | Value |
|---|---|
| MPN | 255459 |
| UPC | Not published by manufacturer |
| Material | Nitrile (Buna-N) |
| Durometer | 70A |
| Inner Diameter | 0.414 in |
| Dash Number | AS568-904 |
| Sold As | Individually |
What's Included
- 1 ICON 255459 Nitrile 70A O-ring, 0.414 in ID
About ICON
ICON Vehicle Dynamics designs and manufactures suspension systems, shocks, and steering components engineered for durability under demanding off-road and daily-driver use, and stocks individual seal and hardware components to support long-term rebuilds.
Related Parts on Our Site
- ICON shock absorbers and coilover kits
- ICON Delta Joint rebuild components
- KYB shocks and strut mount kits
FAQ
What is the 255459?It is an ICON replacement Nitrile 70A O-ring with a 0.414 inch inner diameter, used to reseal Delta Joints, shocks, and other sealed suspension hardware.
What size O-ring is this?It has a 0.414 inch inner diameter and corresponds to the AS568-904 dash size.
What material is the O-ring made from?It is made from Nitrile, also known as Buna-N, at a 70A durometer hardness.
Is this O-ring sold individually or in a kit?It is sold individually, so you only need to buy the exact quantity required for your rebuild.
What parts use this O-ring?It is commonly used in Delta Joint rebuild kits, shock rebuilds, and reservoir assemblies that call for this size and durometer.
Can this O-ring handle exposure to grease and hydraulic fluid?Yes, Nitrile compounds are formulated to resist grease, oil, and hydraulic fluid without swelling or breaking down.
How do I know if I need this exact O-ring size?Check your ICON rebuild kit instructions or the part diagram for your shock or Delta Joint, which will list the correct dash number and inner diameter.
Does this O-ring come with installation lubricant?No, only the O-ring is included. A small amount of compatible grease is recommended during installation to ease seating and protect the seal.
Install Instructions
- Disassemble the component down to the seal cavity per the applicable rebuild instructions
- Remove the old O-ring and clean the seal groove of old grease and debris
- Inspect the mating surfaces for scoring or damage before installing the new seal
- Lightly lubricate the new O-ring with compatible grease
- Seat the O-ring evenly in the groove, avoiding twists or pinches
- Reassemble the component and torque fasteners to the manufacturer's specification
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