Looking for aftermarket parts to modify or upgrade your 2003 Nissan Frontier with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories for your Frontier.
Whether you have a 2003 Nissan Frontier in Base to XE trim we have you covered. We have 5 thermostats available to mod your Frontier. All parts have free shipping to the Continental US 48 States.
 IN STOCK 33655Gates 84-87 Ford Escort / 89-98 Nisan 240SX / 81-97 Pickup / 00-04 Xterra Thermostat Gasket 2002-2003 Nissan Frontier Base 2002-2004 Nissan Frontier XE $22.34 |
 OUT OF STOCK 33737Gates 89-95 Nissan 300ZX/Maxima 170F Thermostat 1999-2003 Nissan Frontier SE 1999-2004 Nissan Frontier XE 2001-2004 Nissan Frontier SC 2002-2004 Nissan Frontier SVE $63.07 |
 OUT OF STOCK 33747Gates 91-96 Infiniti G20 / 89-98 Nissan 240SX / 90-04 Pickup / 00-04 Xterra Thermostat 1998-2004 Nissan Frontier XE 2002-2003 Nissan Frontier Base $34.93 |
 IN STOCK MMTS-240-89KAThe Mishimoto racing thermostat will promote greater cooling efficiency throughout your engine.A Mishimoto racing thermostat will significantly lower high engine temperatures produced by modified and upgraded turbo applications.Once the engine is fully warmed up the Mishimoto racing thermostat will ... Mishimoto 89-98 Nissan 240SX w/KA or SR20DET / 93-97 Altima/Stanza 2/ 2.4 / 91-94 Sentra w/ 2L / 00- 1998-2003 Nissan Frontier SE / XE 2001-2003 Nissan Frontier SC 2002-2003 Nissan Frontier Base / SVE $73.73 |
 IN STOCK MMTS-RB-ALLLThe Mishimoto racing thermostat is applicable for numerous Nissan and Infiniti vehicles.It will promote greater cooling efficiency throughout your engine and will significantly lower high engine temperature produced by modified and upgraded turbo applications.Once the engine is fully warmed up the M... Mishimoto Nissan RB 155 Deg F/68 Deg C Racing Thermostat 1999-2003 Nissan Frontier SE / XE 2001-2003 Nissan Frontier SC 2002-2003 Nissan Frontier Base / SVE $73.73 |