From Digikey.com (other suppliers are available)

Original part (ECM40UT31)
Uprated part (ECM60UT31)

You will also need some capacitors as Bruce mentioned. From memory they are 2x1000uF 16V and 2x2200uF 10V


Lounge: DSP5200, 518
Snug: DSP33 x 5, C61R, HD621
Office: M33