Enter Vehicle Year Make Model

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

2005 Audi A4 Quattro Engine & Engine Management

What year is your
Free Same Day Shipping

2005 Audi A4 Quattro Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Spark Plug Set

    Replaces 4 Piece Spark Plug Set TRQ SPA02194

    Brand: TRQ
    - SPA02194

    • Quantity: 4 Piece
    • Spark Plug Type: Iridium
    • Kit Includes: (4) Spark Plugs
    $44.95
    Save 10%
    List $49.95 Save $5.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 4 Piece Spark Plug Set TRQ SPA02194

    VIDEO

    Spark Plug Set
    Brand: TRQ - SPA02194
    • Quantity: 4 Piece
    • Spark Plug Type: Iridium
    • Kit Includes: (4) Spark Plugs
    $44.95
    Save 10%
    List $49.95 Save $5.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2005 Audi A4 Quattro L4 2.0L 8 Piece Ignition Kit TRQ ICA71803

    Brand: TRQ
    - ICA71803

    • Quantity: 8 Piece
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Color: Black
    • Ignition Coil Type: Direct Replacement
    • Spark Plug Type: Iridium
    $110.95
    Save 22%
    List $141.95 Save $31.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro L4 2.0L 8 Piece Ignition Kit TRQ ICA71803

    VIDEO

    Kit image
    Brand: TRQ - ICA71803
    • Quantity: 8 Piece
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Color: Black
    • Ignition Coil Type: Direct Replacement
    • Spark Plug Type: Iridium
    $110.95
    Save 22%
    List $141.95 Save $31.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2005 Audi A4 Quattro V6 3.2L with Red Leads 12 Piece Ignition Kit TRQ ICA71883

    Brand: TRQ
    - ICA71883

    • Quantity: 12 Piece
    • Ignition Coil Color: Red
    • Kit Includes: (6) Spark Plugs
    • Ignition Coil Type: Direct Replacement
    • Kit Includes: (6) Ignition Coils
    • Spark Plug Type: Iridium
    $162.95
    Save 23%
    List $211.95 Save $49.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro V6 3.2L with Red Leads 12 Piece Ignition Kit TRQ ICA71883

    VIDEO

    Kit image
    Brand: TRQ - ICA71883
    • Quantity: 12 Piece
    • Ignition Coil Color: Red
    • Kit Includes: (6) Spark Plugs
    • Ignition Coil Type: Direct Replacement
    • Kit Includes: (6) Ignition Coils
    • Spark Plug Type: Iridium
    $162.95
    Save 23%
    List $211.95 Save $49.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available
    Intake Manifold

    Replaces 2005 Audi A4 Quattro L4 2.0L Intake Manifold TRQ IMA80694

    Brand: TRQ
    - IMA80694

    $95.95
    Save 14%
    List $111.95 Save $16.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro L4 2.0L Intake Manifold TRQ IMA80694

    Intake Manifold
    Brand: TRQ - IMA80694
    $95.95
    Save 14%
    List $111.95 Save $16.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available
    97-06 A4; 00-06 TT; 00-06 Golf; 00-05 Jetta; 98-05 Passat; 98-10 Bet w/1.8L Trbo Bst Cntrl Sol Valve

    Replaces 2005 Audi A4 Quattro L4 1.8L Turbo Boost Control Valve TRQ ESA35957

    1 reviews
    Brand: TRQ
    - ESA35957
    $59.95
    Save 17%
    List $71.95 Save $12.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro L4 1.8L Turbo Boost Control Valve TRQ ESA35957

    97-06 A4; 00-06 TT; 00-06 Golf; 00-05 Jetta; 98-05 Passat; 98-10 Bet w/1.8L Trbo Bst Cntrl Sol Valve
    1 reviews
    Brand: TRQ - ESA35957
    $59.95
    Save 17%
    List $71.95 Save $12.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Spark Plug Set

    Replaces 6 Piece Spark Plug Set TRQ SPA02144

    Brand: TRQ
    - SPA02144

    • Spark Plug Type: Iridium
    • Quantity: 6 Piece
    • Kit Includes: (6) Spark Plugs
    $54.95
    Save 14%
    List $63.95 Save $9.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 6 Piece Spark Plug Set TRQ SPA02144

    VIDEO

    Spark Plug Set
    Brand: TRQ - SPA02144
    • Spark Plug Type: Iridium
    • Quantity: 6 Piece
    • Kit Includes: (6) Spark Plugs
    $54.95
    Save 14%
    List $63.95 Save $9.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Engine Knock Sensor

    Replaces 2005 Audi A4 Quattro V6 3.2L With Green Connector Engine Knock Sensor TRQ ESA90006

    Brand: TRQ
    - ESA90006
    $34.95
    Save 15%
    List $40.95 Save $6.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro V6 3.2L With Green Connector Engine Knock Sensor TRQ ESA90006

    VIDEO

    Engine Knock Sensor
    Brand: TRQ - ESA90006
    $34.95
    Save 15%
    List $40.95 Save $6.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available
    Variable Valve Timing Solenoid

    Replaces 2005 Audi A4 Quattro V6 3.2L Variable Valve Timing Solenoid TRQ VTA93473

    Brand: TRQ
    - VTA93473

    $42.95
    Save 19%
    List $52.95 Save $10.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro V6 3.2L Variable Valve Timing Solenoid TRQ VTA93473

    Variable Valve Timing Solenoid
    Brand: TRQ - VTA93473
    $42.95
    Save 19%
    List $52.95 Save $10.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Alternator

    Replaces Alternator TRQ ALA90110

    Brand: TRQ
    - ALA90110

    $214.95
    Save 25%
    List $285.95 Save $71.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces Alternator TRQ ALA90110

    VIDEO

    Alternator
    Brand: TRQ - ALA90110
    $214.95
    Save 25%
    List $285.95 Save $71.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2005 Audi A4 Quattro L4 1.8L 8 Piece Ignition Kit TRQ ICA71749

    Brand: TRQ
    - ICA71749

    • Quantity: 8 Piece
    • Ignition Coil Color: Black
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Spark Plug Type: Iridium
    $115.95
    Save 29%
    List $162.95 Save $47.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

    Replaces 2005 Audi A4 Quattro L4 1.8L 8 Piece Ignition Kit TRQ ICA71749

    VIDEO

    Kit image
    Brand: TRQ - ICA71749
    • Quantity: 8 Piece
    • Ignition Coil Color: Black
    • Kit Includes: (4) Spark Plugs
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Spark Plug Type: Iridium
    $115.95
    Save 29%
    List $162.95 Save $47.00

    Guaranteed to Fit 2005 Audi A4 Quattro

    Guaranteed to Fit 2005 Audi A4 Quattro

1

...

1 2 3 4 5

...

10
Close


OR


If your are outside the US or Canada, you will be able to calculate shipping cost internationally at checkout.



Audi is a registered trademark of Audi AG. 1A Auto is not affiliated with or sponsored by Audi or Audi AG. See all trademarks.
Expert USA Customer Support

We are a caring, passionate team of auto enthusiasts who are here to help, If you have a question about our parts or a repair, please call 1-888-844-3393 between 8 AM & 9:30 PM M-F and 8 AM & 4 PM Sat. and Sun. (EST).

Same Day Shipping

In stock orders ship same-day when ordered by 4 PM ET. Need your parts faster? We also offer expedited shipping at checkout.

Guaranteed to Fit

We take pride in our customer service. If you had a poor experience, let us make it right. An auto parts store is only as good as its return policy. Changed your mind? No problem, We'll take it back and credit your account in full.

Instructional Video Library

Our 1A Auto Video Library has thousands of how-to auto repair installation videos specific to year, make and model. Each video guides you with step-by-step instructions to empower you to tackle your own repairs on your car, truck, SUV, or van.

Go To Top
Specify your vehicle

Specify your vehicle's year, make and model to guarantee fit.

Year
Make
Model
Options
Drivetrain

If your vehicle isn't listed, close the window to return to search.