Audi S4 Racing Thermostat, 2000-2006

Audi S4 Racing Thermostat, 2000-2006
Audi S4 Racing Thermostat, 2000-2006

Regular Price: $62.40

Sale Price $49.95

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Installation Difficulty

  • Fits the 2000–2006 Audi S4
  • Activates at lower temperature so coolant flows through system earlier
  • Allows for cooler engine temperatures
  • Mishimoto Lifetime Warranty
  • This item also fits additional vehicles. See Tech Specs below.

This item also fits additional vehicles. See Tech Specs below.

The Audi S4 is a high-performance vehicle that demands a reliable and efficient cooling system to perform at its best. Keep your S4 on the road and out of the shop by upgrading to the Mishimoto racing thermostat. This thermostat promotes greater cooling efficiency by significantly decreasing high engine temperatures. Once the engine is fully warmed up, the Mishimoto low-temperature racing thermostat will open at a lower temperature (160°F) compared to standard thermostats (189°F). This allows coolant to flow through the engine sooner, thus reducing and maintaining cooler engine temperatures. As with all our products, this thermostat includes the Mishimoto Lifetime Warranty

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.



Purchase Includes (1) Mishimoto Thermostat
Mishimoto Lifetime Warranty

Engine Codes 2.7L V6 30v TT
2.8L V6
3.6L PT V8
3.7L V8
4.2L V8
4.2L V8 40v Diesel

Fits 1994-1995 Audi 90 2.8L
1996-2000 Audi A4 2.8L (4)
1996-2000 Audi A4 Quattro 2.8L
1995-2004 Audi A6 2.8L/2.7L/4.2L
1995-2004 Audi A6 Quattro 2.8L/2.7L/4.2L
1997-1999 Audi A8 3.7L/4.2L
1997-1999 Audi A8 Quattro 3.7L/4.2L
2001-2005 Audi Allroad Quattro 2.7L/4.2L
1994-1998 Audi Cabriolet 2.8L
2000-2006 Audi S4 2.7L/4.2L
2001-2003 Audi S8 4.2L
1990-1994 Audi V8 Quattro 3.6L/4.2L
1998-2001 Volkswagen Passat 2.8L

Mishimoto Activation Temp (Fahrenheit) 160°F

Mishimoto Activation Temp (Celsius) 71°C


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