Yokomo S4-S3XA X30 X-shaped Shock O-ring  [S4-S3XA]

Yokomo S4-S3XA O-ring for the X30 shock
Price:
CAD$8.43
Brand:
Yokomo
Model:
S4-S3XA
GTIN:
0639342210541
Condition:
Brand New
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Precision O-rings for X30 Shock Performance

The Yokomo S4-S3XA O-ring is tailored for the X30 shock absorber, using an X-shaped cross section to enhance sealing while keeping friction low for smooth damper movement. It is a practical choice for hobbyists who want to reduce leakage and sharpen shock consistency.

Wide Compatibility with Yokomo Models

This O-ring is compatible with a wide range of Yokomo chassis models, including B-YZ4SF2-1, MOR-010, B-YZ2DTM31-1, B-YZ2CAL31-1, SOR-010, MOR-020, SOR-020, MSR-010, MSR-010A, SOR-020D, ROR-010, ROR-010RTR, and ROR-010RTR-1. Whether you are servicing or upgrading, the part gives dependable sealing across these platforms.
Remark :
Due to limited stock availability, please notice that some Yokomo items may have to order from the factory and the ready time is around 4-6 weeks. Customer purchases the item is assumed to accept the waiting time which allows us to order directly from the manufacturer if the item is out of our warehouse.

How do I fit the S4-S3XA O-ring to an X30 shock?

Clean the shock shaft and seal area first, then slide the X-shaped O-ring into place on the shock cap or piston as required. Use light lubricant to ease installation and avoid pinching the seal.

What benefits does the X-shaped profile give on the track?

The X profile improves contact and sealing under pressure while keeping a low breakaway friction, helping dampers stay consistent lap after lap.

Can I use this O-ring with different shock oils?

Yes. The O-ring works with common silicone shock oils; just ensure the oil and seal material are compatible and replace seals if swelling or wear is noticed.

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