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Home 2000 Audi A6 Quattro Base 4.2L V8 - Gas Radiator & Components
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2000 Audi A6 Quattro

Base 4.2L V8 - Gas

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Cooling System
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Radiator & Components for 2000 Audi A6 Quattro

Diagram 1 1. Radiator Diagram 2 2. Radiator 3. Radiator Cap
Radiator & Components for 2000 Audi A6 Quattro #0
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No.
Part # / Description / Price
Price
2
4B3121276A - Cooling System: Radiator Upper Mount for Audi Image
Radiator Upper Insulator
4B3-121-276-A
Audi Audi
Positions: Left
Description: 2.0L. 1.8L. 3.0L v6. 4.2L v8. 3.2L, supply. 4.2L A4/S4 main. 4.2L, main, RS4. This factory Audi Radiator Upper Insulator (4B3-121-276-A) moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a par ...
MSRP $12.81
$8.72
MSRP $12.81
$8.72
3
8D0121275 - Cooling System: Radiator Lower Support for Audi Image
Radiator Lower Insulator
8D0-121-275
Audi Audi
Positions: Left
Description: This genuine Audi Radiator Lower Insulator, part number 8D0-121-275, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Every genuine Audi part is validated against the same specification as the original equipment component. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $9.64
$6.56
MSRP $9.64
$6.56
4
8D0121200 - Cooling System: Radiator Mount Bolt for Audi Image
Radiator Mount Bolt
8D0-121-200
Audi Audi
Positions: Right
Description: 6 cylinder, 2.8L. 3.2L. 4 cylinder. 2.8L v6. 4.2L v8. 3.0L. 4.2L, main. 2.7L v6. 6 cylinder, 2.7L. This factory Audi Radiator Mount Bolt (8D0-121-200) is a small but load bearing element of the assembly, and using the factory specification matters because ...
MSRP $2.29
$1.56
MSRP $2.29
$1.56
9
811807577C - Cooling System: Expansion Tank Nut for Audi Image
Lift-Gate Trim Scuff Plate Nut
811-807-577-C
Audi Audi
Description: The original equipment Audi Lift-Gate Trim Scuff Plate Nut supplied under part number 811-807-577-C is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Confirm fitment against your vehicle identification number before ordering.
MSRP $1.94
$1.32
MSRP $1.94
$1.32
10
3B0121321 - Cooling System: Reservoir Cap for Audi Image
Cap
3B0-121-321
Audi Audi
Description: Audi part number 3B0-121-321, the factory Cap, encloses and protects the component behind it, keeping debris, moisture, and heat away from hardware that was not designed to be exposed while also finishing the visible surface. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Confirm fitment against your vehicle identification number before ordering.
MSRP $37.18
$25.38
MSRP $37.18
$25.38
11
1H0121687A - Cooling System: Reservoir Cap Seal for Audi Image
Engine Coolant Reservoir Cap Seal
1H0-121-687-A
Audi Audi
Notes: PARTS: Part included with cap.
Description: Listed under Audi part number 1H0-121-687-A, this Engine Coolant Reservoir Cap Seal creates the sealing interface between two components, and because a seal is the cheapest part in most assemblies but the most common source of leaks, using the correct specification is what keeps the repair permanent. Every genuine Audi part is validated against the same specification as the original equipment component. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $6.77
$4.60
MSRP $6.77
$4.60
16
77121102 - Cooling System: Hose for Audi Image
Cooling System Bypass Line Adapter
077-121-102
Audi Audi
Description: Pipe to Pipe. 4.2L, 2000-03, radiator pipe. 4.2L v8, front pipe. 4.2L, 2004-06. This genuine Audi Cooling System Bypass Line Adapter, part number 077-121-102, moves heat out of the engine and charge air circuits, and because modern Audi engines run tight ...
MSRP $29.38
$20.05
MSRP $29.38
$20.05
21
77121109A - Cooling System: Hose for Audi Image
Engine Coolant Hose
077-121-109-A
Audi Audi
Description: 4.2L, 2000-03, oil cooler pipe. Pipe to Pipe. Toward Oil Cooler. 4.2L v8, side pipe. Exc.Auxiliary Heater. The original equipment Audi Engine Coolant Hose supplied under part number 077-121-109-A moves heat out of the engine and charge air circuits, and b ...
MSRP $19.39
$13.19
MSRP $19.39
$13.19
23
4B3121107D - Cooling System: Hose for Audi Image
Engine Coolant Overflow Hose
4B3-121-107-D
Audi Audi
Description: 4.2L v8, breather. The original equipment Audi Engine Coolant Overflow Hose supplied under part number 4B3-121-107-D moves heat out of the engine and charge air circuits, and because modern Audi engines run tight thermal windows, a partial loss of cooling capacity shows up as performance and economy loss before it shows as overheating. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $88.32
$66.77
MSRP $88.32
$66.77