Cooling Systems
HVAC Heater Hose Grommet
Audi
4K0-819-345-N
2.0L heating. #1. 3.0L heater. 2.0L right. 2.0L center.
Diesel Exhaust Fluid (Def) Injector Feed Line Clamp
Audi
5Q0-131-645
Diesel, emission reduction system.
$1.26
MSRP $1.96
Save $0.70
35.7% Off 
Engine Coolant Thermostat Housing Adapter
Audi
03H-121-131-A
3.6L main. Flange.
$42.61
MSRP $56.82
Save $14.21
25% Off 
Engine Coolant Thermostat Housing O-Ring
Audi
079-121-119-J
For Thermostat Assy. A8, S8. S7, RS7. 4.0L, primary. S6. 4.0L without RS7 main.
$3.30
MSRP $5.13
Save $1.83
35.7% Off 
Engine Coolant Thermostat Housing Seal
Audi
04E-121-119-D
1.4L. A3. Thermostat Location-Water Pump Housing.
$3.84
MSRP $5.95
Save $2.11
35.5% Off 
Engine Coolant Thermostat Housing Adapter
Audi
06L-121-131
Engine code: dnvb or dywa. 2021-25. 2017-20. Engine code: dsfa. Engine code: dsfd. Convertible, 2.0L, main.
$6.26
MSRP $9.70
Save $3.44
35.5% Off 
Engine Coolant Thermostat Housing Bolt
Audi
N-904-121-04
Thermostat unit,screw. 3.2L, main.
$7.84
MSRP $12.16
Save $4.32
35.5% Off 
Engine Coolant Thermostat Housing Washer
Audi
N-011-524-27
2.5L, main.
$2.40
MSRP $3.72
Save $1.32
35.5% Off 
Engine Coolant Thermostat Housing Gasket
Audi
06B-121-119-B
O-Ring. 2.0L. 2011-15 with awd, tts, main. 2009 without awd, main. 2006-08. 2009-2010 with awd, tts.
$3.72
MSRP $5.76
Save $2.04
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