Cooling Systems
Engine Coolant Hose
Audi
1K0-121-156-BF
ATF Cooler. Cooler to "T". Return hose. 2009 without awd.
$145.13
MSRP $204.98
Save $59.85
29.2% Off 
Hose
Audi
4K0-121-472-S
Auxiliary Radiator. Location-Wheel Arch. 2.9L, auxiliary. 2.9L, left lower, #3. S6. Left auxiliary outlet.
$7.60
MSRP $11.79
Save $4.19
35.5% Off 
Hose
Audi
5Q0-121-051-L
Radiator to Pipe. Auxiliary Radiator. To 07/04/2022.
$33.27
MSRP $51.58
Save $18.31
35.5% Off 
Hose
Audi
4K0-145-921-AH
Auxiliary Radiator. Radiator to Pipe. 2.9L, left lower, #1. 2.9L, main, left side, lower, #2. S6. Center auxiliary.
$10.07
MSRP $15.62
Save $5.55
35.5% Off 
Engine Coolant Thermostat Housing Drain Plug
Audi
WHT-003-874
Main, 5.2L. 4.2L, primary. Main, 4.2L.
$7.28
MSRP $11.28
Save $4.00
35.5% Off 
Engine Coolant Reservoir Overflow Hose Clamp
Audi
N-907-702-01
$2.68
MSRP $4.18
Save $1.50
35.9% Off 
Power Steering Return Hose
Audi
7L8-422-891-B
Gear to Cooler. Q7. 4.2l.
$166.37
MSRP $234.99
Save $68.62
29.2% Off 
Automatic Transmission Oil Cooler Control Valve O-Ring
Audi
09E-409-069
4.0L. 4.2L. 6.0L. 5.2L.
$15.73
MSRP $24.37
Save $8.64
35.5% Off 
Automatic Transmission Oil Cooler Control Valve Bracket
Audi
4K0-121-305-AE
2.9L.
$16.76
MSRP $25.98
Save $9.22
35.5% Off 
Radiator Coolant Hose Hold Down
Audi
WHT-005-627
Auxiliary Radiator. Location-Wheel Arch. 4.0L without RS7 auxiliary front. 2.0L, heater hoses.
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