Yokomo MS-503GO O-ring - Tuners Choice for BD11/BD12/MS1.0  [MS-503GO]

Yokomo MS-503GO O-ring for BD11/12/MS1.0 aluminum gear diff case
Price:
NZD$4.52
Brand:
Yokomo
Model:
MS-503GO
GTIN:
639342229031
Condition:
Brand New
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Sealing Upgrade Compatible with Yokomo MS-503GO

The Yokomo MS-503GO O-ring fits BD11, BD12 and MS1.0 aluminium gear differential cases and delivers a snug seal to help prevent oil loss. By keeping lubrication in place it lowers wear on gears and bearings, making it a practical part for anyone servicing or setting up a car for tight handling.
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.

Can I use the O-ring with thicker diff fluids?

The O-ring seals the case independent of fluid viscosity, but pairing it with the correct fluid for your setup is important for the diff feel you want.

Is any special grease needed when installing the O-ring?

A light coating of silicone or diff-safe grease helps the O-ring seat and reduces the chance of pinching during installation. Avoid solvents that can degrade the rubber.

Does the O-ring change diff performance?

The O-ring itself does not alter gear ratios or internal friction noticeably; its role is to maintain fluid containment so the diff performs consistently over time.

Any recommendations for storage and care?

Keep spare O-rings in a cool, dry place away from direct sunlight and chemicals. Inspect used rings for deformation before reinstalling.

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