Yokomo MS-503GO O-ring Seal for BD11/BD12/MS1.0 Gear Diff Cases  [MS-503GO]

Yokomo MS-503GO O-ring for BD11/12/MS1.0 aluminum gear diff case
Price:
CAD$3.63
Brand:
Yokomo
Model:
MS-503GO
GTIN:
639342229031
Condition:
Brand New
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Precision O-ring Upgrade for Yokomo MS-503GO

The Yokomo MS-503GO O-ring is made to fit BD11, BD12, and MS1.0 aluminum gear differential cases. Its exact fit reduces the chance of oil seepage, keeping lubricants where they belong so bearings and gears run smoothly. Ideal for racers and regular tuners who want dependable sealing during competition and maintenance cycles.
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.

Will the MS-503GO O-ring work in non-OEM diff housings?

The MS-503GO is sized specifically for BD11, BD12 and MS1.0 aluminum gear diff cases. Using it in other diff housings may result in poor sealing or fitment issues.

What is the best way to fit the O-ring without stretching it?

Clean mating surfaces, lightly lubricate the O-ring with a grease compatible with your diff fluid, and seat it evenly into place by hand to avoid over-stretching or nicks.

How often should I inspect and replace the O-ring?

Check the O-ring whenever you open the differential or during routine maintenance. Replace it if it shows cracks, flattening, or signs of hardening to maintain a proper seal.

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