Description
Kyosho UMW726 is an aluminium cap for the gear differential case, replacing the plastic cap supplied with the UMW604 gear diff set.
Two things change when you fit it. The alloy cap clamps down more evenly on the diff case, so the seal holds better and the diff is less likely to weep fluid out under load — which is what quietly changes a diff setting mid-run. Aluminium also pulls heat out of the diff rather than trapping it, and a cooler diff keeps its fluid at the viscosity you filled it with.
Kyosho lists this as an option part for the Ultima RB6, RT6 and SC6, and it is specific to the UMW604 gear diff. Note that Kyosho's own catalogue heading calls it a "Cup" — it is the diff case cap.
- Genuine Kyosho part number UMW726
- Aluminium gear diff case cap
- Fits the UMW604 gear diff set
- Option part for Ultima RB6, RT6 and SC6
Shipping & Return
Shipping Costs By Region
Shipping to the Contiguous United States (excludes Alaska and Hawaii)
As an added benefit, customers in the continental United States can also take advantage of our economical Basic Economy shipping option which offers FREE Shipping on orders over $75 is automatically offered at checkout. If your order does not reach the $75 threshold for free shipping, we offer Flat Rate $3.99 Shipping.
NOTE: Free shipping is only available when shipping to an address in the Contiguous United States, this excludes Alaska, Hawaii and Puerto Rico.
Shipping to Alaska, Hawaii, Puerto Rico, Guam, and All International Addresses
Basic Economy Free Shipping is not available to residents of Alaska, Hawaii, Puerto Rico, Guam, and international. Customers in these locations will be charged the actual computed shipping rate at the time of checkout.
Customs Fee for International orders:
- You are also responsible for all customs, duties, taxes and fees that may be charged by your customs.
- We cannot list any amount other than the actual amount paid by you on invoices or customs forms.
Ordering Processing Time
- All orders are shipped within 24hrs. M-Sat.
RETURNS:
- We accept returns within 30 days of purchase.
- Returns must be in it's original condition.
- Buyer is responsible for return fees.
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