1990-2007 Miata / MX-5 Cooling System Parts

To order any of these parts, go back to the main motorsports webpage and login. Click on the Order More Item icon under the QUICK ORDER section on the top right of the Motorsports webpage (while logged in). You will see several blank lines at a time, to type in your part numbers. Click the SUBMIT button at the bottom of the page. This will add the items and return to your cart. You can repeat the process if you have more items to add.

These are all of the water hoses on the engine, plus other cooling system parts. There are no competition versions of any of these parts, except for the radiators.

1.6 Liter Hose kit can be ordered under 0000-01-HOSE-16 (items denoted with *)

DESCRIPTION

PART NUMBER

QTY

NOTES

1.6 liter      
Hose, Upper Radiator* B61P-15-186 1  
Hose, Lower Radiator* B61P-15-185 1  
Hose, Lower radiator* B61P-15-184 1 connecting pipe to water pump
Bypass Hose* B61P-13-681B 1 Intake manifold to throttle body
Bypass Hose* B61P-13-682A 1 Throttle body to air valve
Bypass Hose* B61P-13-691A 1 Other side of air valve
Bypass Hose* B61P-15-261A 1 At thermostat housing
Heater Hose* NA75-61-211 1 Right side, through firewall
Heater Hose* N007-61-212 1 Left side, through firewall
       
Thermostat 8AK1-15-171 -9U 1 Does NOT Include gasket
Thermostat Gasket B621-15-173 1  
       
Water Pump B660-15-010R-ME 1 REBUILT – Includes gaskets
Gasket B366-15-165 1 Water pump to lower pipe
O-ring E301-15-287 1 O-ring around heater pipe
Gasket B6BF-15-116 1 Water pump to block
       
Radiators      
1990-97 -MT BPE8-15-200 1  
1990-93 – AT B64J-15-200C 1  
Competition All Aluminum – MT 0000-01-5501 1  

1.8 Liter (94-97)

     
1.8 Liter Hose kit can be ordered under 0000-01-HOSE-18 (items denoted with *)
Hose, Upper Radiator* BPE8-15-186 1  
Hose, Lower Radiator* B61P-15-185 1 Same as 1.6
Hose, Lower radiator* B61P-15-184 1 Same as 1.6
Bypass Hose* BPE8-13-681 1 Throttle body to oil cooler
Bypass Hose BPE8-15-536 1 Oil Cooler to block
Bypass Hose* BPE8-13-682 1 Throttle body to thermostat housing
Bypass Hose* B61P-15-261A 1 At thermostat housing
Heater Hose* NA75-61-211 1 Right side, through firewall – same as 1.6
Heater Hose* NA75-61-212 1 Left side, through firewall.
       
Thermostat 8AB8-15-171 -9U 1 Does not include gasket.
Thermostat Gasket B621-15-173    
       
Water Pump B6BF-15-010F 1 Does not include gaskets – All are needed
Gasket B6BF-15-116 1 Water pump to lower pipe
O-ring E301-15-287 1 O-ring around heater pipe
Gasket B366-15-165 1 Water pump to block
       
Radiators      
1990-97 -MT BPE8-15-200 1  
1994-97 – AT BPE9-15-200 1  
Competition All Aluminum – MT 0000-01-5501 1  
       
       

1.8 Liter (99-00)

     
1999-2000 1.8 Liter Hose kit can be ordered under 0000-01-HOSE-99 (items denoted with *)
Hose, Upper Radiator* BP4W-15-186B 1  
Hose, Lower Radiator* BP4W-15-185 1  
Hose, Lower radiator* B61P-15-184 1  
Bypass Hose* BP4W-13-681B 1 Throttle body to oil cooler
Bypass Hose* BP4W-13-682 1 Throttle body to thermostat housing
Bypass Hose* B61P-15-261A 1 At thermostat housing
Heater Hose* NC10-61-211 1 Right side, through firewall – same as 1.6
Heater Hose* NC10-61-212 1 Left side, through firewall.
       
Thermostat BP6F-15-171A 1 Does not include gasket.
Thermostat Gasket B621-15-173 1  
       
Water Pump B6BF-15-010F 1 Does not include gaskets – All are needed
Gasket B6BF-15-116 1 Water pump to lower pipe
O-ring E301-15-287 1 O-ring around heater pipe
Gasket B366-15-165 1 Water pump to block
       
Radiators      
1999-2005 – MT BP4W-15-200A 1  
2004-2005 – MT TURBO BP8J-15-200A 1 MAZDASPEED MIATA
1999-2000 – AT BP4X-15-200A 1  
2001-2005 – AT BP6H-15-200 1  
1999-2005 0000-01-5503 1 Competition All Aluminum – MT
       
       

2.0 2006-2007

     
       
See online Catalog for hoses and other parts not shown.    
Water Pump LF94-15-100A 1 Includes o-ring seal.
       
       
Radiators      
2006-07 – MT LFG2-15-200E 1  
2006-07 – AT LFG1-15-200E 1  
2006 0000-01-5550   Competition All Aluminum – MT

Back to top