Thermostats & Parts
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Engine Coolant Hose
Audi
079-121-054-E
Water Pump Housing to Pipe. 4.0L, main, supply. Without RS7, main, supply.
$15.98
MSRP $24.78
Save $8.80
35.5% Off 
Engine Coolant Hose
Audi
07K-121-499-K
Pipe To Auxiliary Water Pump. Turbocharger. 2.5L, rear.
$252.17
MSRP $362.32
Save $110.15
30.4% Off 
Breather Tube
Audi
4N0-121-081-BJ
3.0L, with plug-in hybrid, main, lower.
$32.62
MSRP $50.58
Save $17.96
35.5% Off 
Hose & Tube Assembly
Audi
4N0-145-948-A
3.0L, with plug-in hybrid, auxiliary, #2.
$26.66
MSRP $41.34
Save $14.68
35.5% Off 
Engine Coolant Pipe O-Ring
Audi
WHT-004-973
18 x 3mm. Engine code: dnvb. 2.0L, main. Engine code: dsfa.
$0.81
MSRP $1.26
Save $0.45
35.7% Off 
Tube Assembly
Audi
06M-121-661-J
2.9L, main, right side, #2. 2.9L, alternator, #3, from 01/15/2024. 3.0L, without plug-in hybrid alternator. Tube assy.
$125.08
MSRP $176.67
Save $51.59
29.2% Off 
Connector Tube
Audi
059-121-065-CP
Diesel, lower, 2013-14. 3.0L diesel, return.
$115.63
MSRP $163.32
Save $47.69
29.2% Off 
Water Manifold Gasket
Audi
079-121-091-D
4.2L, supply, A4/S4. 4.2L, feed, 2005-06. From Chassis/VIN 4B-4-070 001. 32mm.
$7.64
MSRP $11.85
Save $4.21
35.5% Off 
Water Hose
Audi
4KE-145-948-H
Right, #1, 370 kw system type2. Right, # 1, SQ8, type 2.
$17.53
MSRP $27.18
Save $9.65
35.5% Off 
Water Hose
Audi
4KE-121-550-P
Center, # 7, to 02/14/2022. Center, single charging port, # 6. Center, # 7, from 02/14/2022.
Water Feed Tube
Audi
06M-121-486-F
2.9L, main, right side, #5. 2.9L, alternator, #1, from 01/15/2024. 3.0L, without plug-in hybrid alternator. Water feed tube.
$99.12
MSRP $140.00
Save $40.88
29.2% Off 
Water Feed Tube
Audi
4KE-819-928-M
Center, # 5, to 12/20/2021. Center, # 5, from 12/20/2021.
$117.99
MSRP $166.64
Save $48.65
29.2% Off 
Tube Assembly
Audi
4G0-145-931-D
4.0L, auxiliary, front. Without RS7, auxiliary, front.
$128.25
MSRP $181.15
Save $52.90
29.2% Off 
Lower Return Tube O-Ring
Audi
N-909-250-01
4.0L, to 10/19/2022. 2012-15, supply. 3.2L, return. 4.0L, alternator. Secondary. Gas, supply. 17 x 3mm. Gas, primary, 2013-14....
$3.30
MSRP $5.13
Save $1.83
35.7% Off 
Engine Coolant Thermostat Kit
Audi
06D-121-111-G
From 5400001. A4 Cabriolet. 2.0l. Incl.Gasket,Housing and Thermostat.
$86.14
MSRP $121.67
Save $35.53
29.2% Off 
Thermostat Housing Gasket
Audi
021-121-119-A
3.2L, feed. 3.2L, main.
$8.85
MSRP $13.73
Save $4.88
35.5% Off 
Tube Assembly
Audi
06K-121-034
Engine code: dnvb, upper. Engine code: dsfa, left side.
$19.39
MSRP $30.06
Save $10.67
35.5% Off 
Engine Coolant Thermostat
Audi
078-121-113-G
6 cylinder, 2.8L. A4. A6/S6. 2.8l. From Chassis/VIN #4B-X-160 001. 92 Degrees C.
$47.51
MSRP $65.98
Save $18.47
28% Off 
Accessory Drive Belt Cover Bolt
Audi
N-910-969-01
2017-2019. 40 tsfi. 2021-25. 2017-20. Convertible, 2.0L, main. Rear. 45 tsfi. 2.0L 2016-18.
$0.53
MSRP $0.82
Save $0.29
35.4% Off 
Thermostat Housing Bolt
Audi
N-103-470-03
5.2L, manual trans. 2008-12, 4.2L. 4.2L, manual trans. 2008-12, 3.2L. 2010-12, 3.0L. 2.0L. M6x16.
$2.18
MSRP $3.38
Save $1.20
35.5% Off 
Thermostat Housing
Audi
06B-121-111-K
1.8L. To 5400000. Cabriolet A4.
$258.09
MSRP $370.82
Save $112.73
30.4% Off 
Thermostat Seal
Audi
038-121-119-B
1.8L. 4 cylinder. O-Ring. 50 x 4mm.
$4.77
MSRP $7.39
Save $2.62
35.5% Off 
Engine Coolant Pipe O-Ring
Audi
059-121-437
19.5 x 3mm. 3.0L diesel, supply.
$6.24
MSRP $9.67
Save $3.43
35.5% Off 
Inlet Tube
Audi
06H-121-497-B
2012-15. 2013-2016. Turbocharger Cooling. Incl.Pipe. Water inlet. 2.0L. Inlet tube.
$108.56
MSRP $153.32
Save $44.76
29.2% Off 
Adapter Seal
Audi
N-900-410-02
2022-24, rear drive unit. Front drive unit.
$1.24
MSRP $1.92
Save $0.68
35.4% Off 
Outlet Hose
Audi
9J1-121-101
Rear transaxle. 2022-24, rear drive unit. RS e-tron GT.
$37.40
MSRP $57.98
Save $20.58
35.5% Off 
Connector Pipe
Audi
059-121-086-AH
Diesel, lower, 2013-14. 3.0L diesel, return.
$58.91
MSRP $81.82
Save $22.91
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