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Emission Systems for 2001 Audi A4 Quattro

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2344874 - Emission Systems: Denso Oxygen Sensor for Denso Image

Denso Oxygen Sensor

Denso 234-4874
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision...
Positions: Downstream
$85.05
Fits Your Vehicle
6A103213F - Emission Systems: URO Parts Engine Crankcase Breather Hose for URO Image

URO Parts Engine Crankcase Breather Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$14.21
Fits Your Vehicle
S706 - Accessories: A/C Control Relay Connector for SMP CORP Image

A/C Control Relay Connector

SMP CORP S-706
A/C Control Relay Connector A/C Control Relay Connector A/C Control Relay Pigtail Connector Connectors Pigtail Pigtails
$15.66
Fits Your Vehicle
6B133784R - Emission Systems: URO Parts Secondary Air Injection Pump Hose for URO Image

URO Parts Secondary Air Injection Pump Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$19.06
Fits Your Vehicle
V104753 - Emission Systems: Hose, crankcase breather for Vaico Image

Hose, crankcase breather

Vaico V10-4753
Hose, crankcase breather Engine Crankcase Breather Hose
$94.44
Fits Your Vehicle
58905291K - Emission Systems: URO Parts Vacuum Check Valve for URO Image

URO Parts Vacuum Check Valve

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$4.53
Fits Your Vehicle
PT2164 - Accessories: Multi-Purpose Wire Connector for ACDelco Image

Multi-Purpose Wire Connector

ACDelco PT2164
ACDelco Gold (Professional) Air Charge Temperature Sensor Connector are a high quality alternative to Original Equipment (OE) parts....
$10.17
Fits Your Vehicle
25605 - Emission Systems: NTK OE Type Oxygen Sensor for NTK Oxygen Sensors Image

NTK OE Type Oxygen Sensor

NTK Oxygen Sensors 25605
NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s...
Positions: Downstream
$99.75
Fits Your Vehicle
58133784A - Brakes & Brake Parts: URO Parts Vacuum Hose for URO Image

URO Parts Vacuum Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$14.19
Fits Your Vehicle
DV164 - Emission Systems: Diverter Valve for SMP CORP Image

Diverter Valve

SMP CORP DV164
Diverter Valve
Positions: Right
Out of Stock
Fits Your Vehicle
1812135 - Emission Systems: Vapor Canister Purge Solenoid for GLOBAL PARTS DISTRIBUTORS Image

Vapor Canister Purge Solenoid

GLOBAL PARTS DISTRIBUTORS 1812135
The vapor canister purge valve/solenoid controls the amount of fuel vapor purged from the charcoal canister to the engine, preventing...
Not For Sale
Fits Your Vehicle
25024689 - Emission Systems: Walker Products 250-24689 Oxygen Sensor 4-W Direct Fit Narrow-Band for Walker Products Inc. - Image

Walker Products 250-24689 Oxygen Sensor 4-W Direct Fit Narrow-Band

Walker Products Inc. - 250-24689
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment...
Positions: Downstream
$86.56
Fits Your Vehicle
4008172 - Emission Systems: VNE Automotive Diverter Valve for VNE Image

VNE Automotive Diverter Valve

VNE 4008172
OE Supplier Diverter Valve
$50.13
Fits Your Vehicle
1C0906517A - Emission Systems: URO Parts Vapor Canister Purge Valve for URO Image

URO Parts Vapor Canister Purge Valve

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$25.59
Fits Your Vehicle
58133370A - Brakes & Brake Parts: URO Parts Vacuum Hose for URO Image

URO Parts Vacuum Hose

For European vehicles, A.P.A. manufactures the URO Parts brand of quality replacement parts, which meet or exceed OEM specifications. URO...
$18.88
Fits Your Vehicle
610085 - Accessories: Engine Variable Valve Timing (VVT) Solenoid Connector for ROSTRA Image

Engine Variable Valve Timing (VVT) Solenoid Connector

ROSTRA 61-0085
Engine Variable Valve Timing (VVT) Solenoid Connector
$5.72
Fits Your Vehicle
4008210 - Emission Systems: VNE Automotive Engine Crankcase Breather Hose for VNE Image

VNE Automotive Engine Crankcase Breather Hose

VNE 4008210
OE Supplier Engine Crankcase Breather Hose
$54.32
Fits Your Vehicle
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