Roadmaster Powertrain Logo - Horizontal
Mobile Menu Button
U660F Transmission 30510-0T021-84
30510-0T021-84
U660F Transmission 30510-0T021-84U660F (3.5L)(AWD) Lexus RX350, ToyotRMP277AC30510-0T021-84

Toyota

U660F Transmission 30510-0T021-84

Part No.
RMP277AC

U660F (3.5L)(AWD) Lexus RX350, Toyot

6-speed

Automatic

Transmission with Torque Converter

Recommended Use:

Recommended as a stock replacement.

1.800.940.0197

Image Disclaimer: Image may not be an exact representation of the shipped product.

Transmission Search
Aisin Seiki
Aisin Warner
Allison
Borg Warner
Changhe
Chrysler
Ford
GM
Honda / Acura
Hyundai / Kia
Mercedes
Mitsubishi
Nissan
Subaru
Toyota / Lexus
Tremec
VW / Audi
ZF
Search by Transmission
Select Make
Select Unit
Product Details

Our U660F Transmission 30510-0T021-84 units. RMP277AC is remanufactured in the USA and backed by our nationwide warranty. This U660FTransmission with Torque Converter is an improved stock replacement that features upgraded parts to eliminate OE design flaws and failures.

Reference Numbers:

30510-0T021-84

RMP277AC

RT277AC

T7705AA

Product Advantages
  • re-engineered to correct common OE parts failures
  • backed by hours of transmission industry leading R+D
  • nationwide warranty for labor and parts on consumer and commercial applications
  • designed as an upgraded replacement to OE transmissions
  • Remanufactured in the USA

Related Products

Where To Buy

Roadmaster transmissions are available from Whatever It Takes Transmission Parts' nationwide locations. Choose your state below to find the location nearest you.

Select a State
© 2026 Whatever It Takes, Inc.
Site Map