Thermostats & Parts
availability
Engine Coolant Thermostat Housing O-Ring
Audi
06E-121-119-G
Q7. O-ring. 2016-18, front. 2017-19. 3.0L gas front.
$4.66
MSRP $7.21
Save $2.55
35.4% Off 
Engine Coolant Bypass Pipe
Audi
06B-121-070-H
1.8L. Water pipe.
$164.48
MSRP $232.31
Save $67.83
29.2% Off 
Engine Coolant Pipe
Audi
8W0-122-485-B
ATF Cooling. Cooler to Radiator Hose. Cooling pipe. 2.9L main.
$169.20
MSRP $238.98
Save $69.78
29.2% Off 
Engine Coolant Pipe
Audi
1EA-121-082-L
Awd with r-1234yf refrigerant right. center. Awd with r-744 refrigerant right. center.
$29.14
MSRP $45.18
Save $16.04
35.5% Off 
Engine Coolant Pipe
Audi
0EL-901-045-C
Drive motor-front. Cooling pipe.
$42.99
MSRP $57.31
Save $14.32
25% Off 
Engine Coolant Pipe
Audi
8K0-121-075
Tube. Auxiliary, right side.
$145.72
MSRP $205.81
Save $60.09
29.2% Off 
Drive Motor Battery Pack Coolant Hose
Audi
4KL-145-947-E
Front. #2.
$93.59
MSRP $129.98
Save $36.39
28% Off 
Connector Pipe
Audi
1EA-121-052-E
Rwd with r-1234yf refrigerant rear. to 10/30/2023.
$32.15
MSRP $49.83
Save $17.68
35.5% Off 
Engine Coolant Hose
Audi
079-121-102-G
Pipe to Pipe. 4.2L, feed, 2007-11. 4.2L supply. Connector hose.
$9.80
MSRP $15.19
Save $5.39
35.5% Off 
Engine Coolant Thermostat
Audi
078-121-113-G
6 cylinder, 2.8L. From Chassis/VIN #4B-X-160 001. 92 Degrees C. A4. A6/S6. 2.8l. To Chassis/VIN 8D-X-315 000. 92 Degrees C.
$49.49
MSRP $65.98
Save $16.49
25% Off 
Drive Motor Inverter Coolant Line
Audi
0EL-901-046-C
Drive motor-rear.
$42.99
MSRP $57.31
Save $14.32
25% Off 
Engine Coolant Pipe
Audi
079-121-070-CF
4.2L, supply, upper.
$207.27
MSRP $292.75
Save $85.48
29.2% Off 
Engine Coolant Pipe
Audi
06L-121-075-B
Center hose. 2.0L, rear, lower, 2016-18.
$91.43
MSRP $126.99
Save $35.56
28% Off 
Engine Coolant Bleeder Screw O-Ring
Audi
N-013-804-2
2.0L. Diesel, upper, 2010-12. 3.0L.
$1.60
MSRP $2.47
Save $0.87
35.2% Off 
Engine Coolant Pipe O-Ring
Audi
WHT-000-881
28 x 4.5mm. 4.2L, feed, 2007-10. Rear, 4.2L, front, #1. 5.2L feed. 4.2L, return, 2007-11. 4.2L, supply, lower. 4.2L, manual trans,...
$6.31
MSRP $9.79
Save $3.48
35.5% Off 
Engine Coolant Pipe
Audi
4G0-121-081-ED
Breather tube. 3.0L gas front.
$41.25
MSRP $55.01
Save $13.76
25% Off 
Engine Coolant Pipe
Audi
1K0-121-070-BD
Front. Tube assy. 2009-13. 2011-15 with awd, TT. 2.0L 2009-2010 with awd, TT. Water pipe.
$83.99
MSRP $116.65
Save $32.66
28% Off 
Engine Coolant Thermostat Kit
Audi
059-122-111-D
Auxiliary. Incl.Housing and Thermostat. Mounts to Primary Thermostat Housing.
$129.79
MSRP $183.32
Save $53.53
29.2% Off 
Thermostat Housing
Audi
022-121-117-C
3.2L, feed. TT. 3.2l. A3. 3.2l.
$129.79
MSRP $183.32
Save $53.53
29.2% Off 
Thermostat
Audi
4E0-121-113
2.0L, without awd, 2012-15. 2.0L, aux water pump, rear, 2016-18. 4.2L, return, 2007-10. 5.2L, return with transfer case cooler.
$54.61
MSRP $72.82
Save $18.21
25% Off 
Engine Coolant Pipe
Audi
5Q0-121-070-BR
Connector pipe. 2.0L, gas engine code czra. Engine code dhha, right side. 2.0L, code dhha right side. 2.0L, gas engine code cntc. 1.8L....
$81.59
MSRP $113.32
Save $31.73
28% Off 
Engine Coolant Pipe O-Ring
Audi
WHT-008-729-A
Alternator. 14 x 3mm.
$1.23
MSRP $1.90
Save $0.67
35.3% Off 
Engine Coolant Thermostat
Audi
04E-121-113-G
External. Location-Water Pump Housing. 1.4L, outer.
$54.61
MSRP $72.82
Save $18.21
25% Off 
Engine Coolant Pipe
Audi
0EH-121-131
Drive motor-rear, e-tron 40, e-tron 50.
$8.72
MSRP $13.51
Save $4.79
35.5% Off 
Engine Coolant Pipe
Audi
5Q0-121-070-BT
2.0L, gas engine code czra. Water pipe. Tube. Engine code: dnvb or dywa, left side. Engine code: dsfa, left side. 2.0L, code dhha, right...
$48.74
MSRP $64.98
Save $16.24
25% Off 
Engine Coolant Pipe
Audi
4K0-121-083-E
2.0L, high voltage battery charger and controls, #2.
$226.55
MSRP $319.99
Save $93.44
29.2% Off 
Water Hose
Audi
4KE-145-912-B
Right, # 5, 370 kw system. Right, # 11, SQ8.
$28.63
MSRP $44.38
Save $15.75
35.5% Off 
Engine Coolant Pipe
Audi
4KE-145-947-S
Right. # 4 to 02/14/2022. Right, # 4, from 02/14/2022.
$91.20
MSRP $126.66
Save $35.46
28% Off 
Engine Coolant Pipe
Audi
4K0-121-661
Water feed tube. Alternator. Intake pipe.
$77.30
MSRP $107.37
Save $30.07
28% Off 
Engine Coolant Pipe
Audi
4KE-121-053-A
Rear. Connector hose. Inner hose.
$2.83
MSRP $4.38
Save $1.55
35.4% Off 
Engine Coolant Thermostat
Audi
03H-121-113-D
3.6L, main. Q7.
$91.19
MSRP $126.65
Save $35.46
28% Off 
O-Ring
Audi
N-903-653-02
20 x 3mm. Pipe to Water Pump Housing. Pipe To Thermostat Housing. Main. 4.0L, 20x3.
$1.91
MSRP $2.95
Save $1.04
35.3% Off 
Engine Coolant Pipe Gasket
Audi
06M-121-488
Alternator Cooling Pipe. To 07/08/2019. 3.0L, without plug-in hybrid, alternator.
$11.96
MSRP $18.54
Save $6.58
35.5% Off 
Engine Coolant Pipe O-Ring
Audi
03H-121-041
O-Ring. To Adapter. 3.6L, main. 4.2L, supply, upper.
$2.99
MSRP $4.63
Save $1.64
35.4% Off 
Engine Coolant Outlet Gasket
Audi
03H-121-041-B
Inlet Flange to Engine.
$3.15
MSRP $4.87
Save $1.72
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