Engine Parts
availability
Engine Coolant Overflow Hose
Audi
4H0-121-081-R
4.2L supply upper. Breather tube.
$82.11
MSRP $115.01
Save $32.90
28.6% Off 
Engine Coolant Overflow Hose
Audi
7L6-121-109-N
Reservoir hose. 4.2L, return.
$18.80
MSRP $29.38
Save $10.58
36% Off 
Engine Coolant Thermostat Housing
Audi
0P2-121-406-C
4.0L. S8. A8 Quattro.
$533.60
MSRP $773.34
Save $239.74
31% Off 
Engine Crankshaft Main Bearing
Audi
06H-105-591-J-BLA
A4. Lower. Blue. A5. Q3. Q5. Allroad. A6. A3. TT.
$55.66
MSRP $74.81
Save $19.15
25.6% Off 
Engine Coolant Bypass Hose
Audi
06R-121-610-E
2.0L upper. Connector hose.
$90.44
MSRP $126.66
Save $36.22
28.6% Off 
Engine Mount Heat Shield
Audi
4M0-199-388-C
2017-19 3.0L. 3.0L 3.0L plug-in hybrid. Cover plate.
$36.98
MSRP $57.78
Save $20.80
36% Off 
Engine Timing Chain Tensioner
Audi
07K-109-510-B
Ttrs. Upper. Left. Idler to Cam. Arm.
$53.68
MSRP $72.16
Save $18.48
25.6% Off 
Engine Air Duct Clamp
Audi
N-909-509-01
2.0L, lower, from 01/17/2009 to 03/2013. Without hybrid, lower. 2013-2016, lower. 2.0L, lower, to 04/01/2013. 2.0L, lower, to 4/01/2013....
$8.38
MSRP $13.10
Save $4.72
36% Off 
Engine Coolant Overflow Hose
Audi
4E0-121-103-S
Adapter To Pipe. Water hose. 5.2L, feed.
$34.68
MSRP $54.18
Save $19.50
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