Datsun 1200 used a traditional vane-type water pump, driven by the fan belt. The same pump was used from 1966 Datsun B10 to some 1982 Datsun B310. However, air conditioning-equipped models used a different hi-performance pump.
There are two basic water pumps for A-series engines:
A15 has smaller but more agressive impeller (turbine)
Part Numbers
- Beck/Arnley 1310366 $34 http://partsamerica.com
NISSAN PN for B110 with interchange
- 21014-18000 GASKET-WATER PUMP (note B10 part number)
- 21014-H1000,21014-H1010 GASKET-WATER PUMP through 1982 model year (A12, A13, A14, A15, A12A)
- 21010-18003 ASSY-PUMP WATER
- 21010-18026 ASSY-PUMP WATER WITH GASKET (original PN)
- 21010-18027 ASSY-PUMP WATER WITH GASKET 0870-0871
- 21010-H1025 ASSY-PUMP WATER WITH GASKET 0971-1072 (1972 model year)
- 21010-H5025 ASSY-PUMP WATER WITH GASKET 1172- (through 1982 model years)
OPTIONAL Aircon A14 From 0876
- 21010-H7225 ASSY-PUMP WATER WITH GASKET From 0876 Optional A14
- 21060-H5010 FAN-COOLING FOR AIR CONDITIONER
- 21051-H7200 PULLEY-FAN AND WATER PUMP FOR AIR COND