I just recently did work on my clutch hydraulic system. I thought I'd pass on part numbers that worked,
Clutch master cylinder
Q-51300 Manufactured by SANYO. Bought it from Southwest FWD, Inc in Phoenix, AZ. Cost $39 + shipping.
P/N 30610-46500 New Nissan - many found when Googling that P/N $100+
P/N 30610-10625 Kit Nissan - Many found when Googling that P/N $7-20
P/N 30610-10626 Nissan - Many found when Googling that P/N $7-20
Clutch Slave Cylinder
P/N 30620-32201 New Nissan - many found when Googling that P/N
P/N 30621-08025 Kit Nissan - many found when Googling that P/N $15 at Nissan dealer

