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Vehicle Set: Click here to shop 1998 Audi A4 parts.

1998 Audi A4 Thermostats

Looking for aftermarket parts to modify or upgrade your 1998 Audi A4 with thermostats? At Tunersports.com we carry a huge selection of the top name brand performance thermostat parts and accessories for your A4.

Whether you have a 1998 Audi A4 in Avant to Base trim we have you covered. We have 3 thermostats available to mod your A4. All parts have free shipping to the Continental US 48 States.

1998 A4 Thermostat Parts:

Only show in-stock parts

Gates Thermostat Seals

Gates
Gates Thermostat Seals 33613
IN STOCK - LOW
33613
Gates 96-01 A4 (inc Quattro) / 95-04 A6 (inc Quattro) Thermostat Seal
1996-2001 Audi A4 Base
1998-1998 Audi A4 Avant
$22.76
Details

Mishimoto Thermostats

Mishimoto
Mishimoto Thermostats MMTS-GTI-99
IN STOCK
MMTS-GTI-99
The Mishimoto racing thermostat for the 99-05 Volkwagen GTI 1.8T will promote greater cooling efficiency in your stock or modified GTI. Once the engine is fully warmed up, Mishimoto's Volkswagen GTI racing thermostat will open at a lower temperature than standard thermostats. This allows coolant to ...
Mishimoto 99-05 VW GTI 1.8T 180 Degree Racing Thermostat
1997-2001 Audi A4 Base
$73.73
Details
Mishimoto Thermostats MMTS-S4-00L
IN STOCK - LOW
MMTS-S4-00L
The Audi S4/A4/A6 is a well-balanced vehicle that demands a reliable and efficient cooling system to perform at its best.Keep your Audi 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...
Mishimoto Audi S4/A4/A6 Racing Thermostat
1996-2000 Audi A4 Base
1998-1998 Audi A4 Avant
$73.73
Details