Product Description
Clutch Release Bearing Collar Sleeve For The 1974 Datsun B210 30501H5000
This part number is specifically listed for 1974 B210 A13 F4W56A, but possibly will work on other years and models with modifications and/or adjustments
Dimension "L" is the only measurement that matters on Datsun release bearing collars / sleeves
See 2nd picture in this listing
LIST OF ALL USDM A-SERIES RWD FITMENTS:
1200 B110 ALL
30501-H1000** F4W56 F4W56A F4W56E F4W56L (DIMENSION "L" 22.5MM)
B210 4-SPEED
30501-H5000 1974 F4W56A (DIMENSION "L" 25.5MM)
30501-H1000** 1975 to 01/1977 F4W60A (DIMENSION "L" 22.5MM)
30501-H7500 02/1977 to 1978 F4W60A (DIMENSION "L" 21.0MM)
**30501-H1000 (DIMENSION "L" 22.5MM) has been replaced by 30501-H7500 (DIMENSION"L" 21.0MM)
Per a 1977 TSB, this will give you "a wider range of adjustment" at the slave cylinder
210 B310 ALL
30501-H7500 F4W56A F4W60 F4W60L (DIMENSION "L" 21.0MM)