Your search for "coolant hose" revealed the following:
1994-2005 Mazda Miata Coolant Bypass Heater Core Return Pipe BPE8-15-290
Sale price $12.45 Regular priceUsed 1994-2005 Mazda Miata Coolant Bypass Heater Core Pipe BPE8-15-290
1990-1993 Mazda Miata Hose Clamp B61P-13-447
Regular price $1.45Used 1990-1993 Mazda Miata Hose Clamp B61P-13-447
1996-1997 Mazda Miata Power Steering Return Cooling line at steering rack
Sale price $35.45 Regular priceUsed 1996-1997 Mazda Miata Power steering return cooling line at the steering rack. NB38-32-480A
1999-2005 Mazda Miata Power Steering Return Cooling line at steering rack NC10-32-460
Sale price $18.45 Regular priceNew Genuine Mazda 1999-2005 Mazda Miata Power steering return cooling line at the steering rack. NC10-32-460
1999-2005 Mazda Miata NB Radiator
Sale price $80.00 Regular priceNew 1999-2005 Mazda Miata OEM Style Single Core Radiator