SEARCH BY VEHICLE:
Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2018 Kia Optima Engine & Engine Management

What year is your
Free Same Day Shipping

2018 Kia Optima Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Ignition Coil Set

    Replaces 4 Piece Ignition Coil Set TRQ Performance ICA32586

    2 reviews
    Brand: TRQ Performance
    - ICA32586

    • Quantity: 4 Piece
    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    • Ignition Coil Type: Performance
    $131.95
    Save 33%
    List $196.95 Save $65.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 4 Piece Ignition Coil Set TRQ Performance ICA32586

    VIDEO

    Ignition Coil Set
    2 reviews
    Brand: TRQ Performance - ICA32586
    • Quantity: 4 Piece
    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    • Ignition Coil Type: Performance
    $131.95
    Save 33%
    List $196.95 Save $65.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available
    Ignition Coil Set

    Replaces 4 Piece Ignition Coil Set TRQ ICA64258

    29 reviews
    Brand: TRQ
    - ICA64258

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $118.95
    Save 20%
    List $148.95 Save $30.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 4 Piece Ignition Coil Set TRQ ICA64258

    Ignition Coil Set
    29 reviews
    Brand: TRQ - ICA64258
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $118.95
    Save 20%
    List $148.95 Save $30.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available
    Ignition Coil Set

    Replaces 2018 Kia Optima L4 1.6L 4 Piece Ignition Coil Set TRQ ICA64505

    2 reviews
    Brand: TRQ
    - ICA64505

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $107.95
    Save 36%
    List $168.95 Save $61.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima L4 1.6L 4 Piece Ignition Coil Set TRQ ICA64505

    Ignition Coil Set
    2 reviews
    Brand: TRQ - ICA64505
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $107.95
    Save 36%
    List $168.95 Save $61.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Serpentine Belt Idler Pulley

    Replaces 2018 Kia Optima L4 1.6L Serpentine Belt Idler Pulley TRQ BPA77497

    Brand: TRQ
    - BPA77497

    $24.95
    Save 29%
    List $34.95 Save $10.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima L4 1.6L Serpentine Belt Idler Pulley TRQ BPA77497

    VIDEO

    Serpentine Belt Idler Pulley
    Brand: TRQ - BPA77497
    $24.95
    Save 29%
    List $34.95 Save $10.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Ignition Coil

    Replaces 2018 Kia Optima L4 1.6L Ignition Coil TRQ ICA64291

    Brand: TRQ
    - ICA64291

    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $44.95
    Save 22%
    List $57.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima L4 1.6L Ignition Coil TRQ ICA64291

    VIDEO

    Ignition Coil
    Brand: TRQ - ICA64291
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $44.95
    Save 22%
    List $57.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available
    Valve Cover

    Replaces Valve Cover TRQ VCA88769

    1 reviews
    Brand: TRQ
    - VCA88769

    $81.95
    Save 16%
    List $97.95 Save $16.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces Valve Cover TRQ VCA88769

    Valve Cover
    1 reviews
    Brand: TRQ - VCA88769
    $81.95
    Save 16%
    List $97.95 Save $16.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Kit image

    Replaces 2018 Kia Optima L4 1.6L Intake & Exhaust 2 Piece Variable Valve Timing Solenoid Set TRQ VTA76556

    Brand: TRQ
    - VTA76556

    • Quantity: 2 Piece
    • Kit Includes: (2) Variable Valve Timing Solenoids
    $66.95
    Save 19%
    List $82.95 Save $16.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima L4 1.6L Intake & Exhaust 2 Piece Variable Valve Timing Solenoid Set TRQ VTA76556

    VIDEO

    Kit image
    Brand: TRQ - VTA76556
    • Quantity: 2 Piece
    • Kit Includes: (2) Variable Valve Timing Solenoids
    $66.95
    Save 19%
    List $82.95 Save $16.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Engine Knock Sensor

    Replaces 2018 Kia Optima L4 2.0L Engine Knock Sensor TRQ ESA90042

    1 reviews
    Brand: TRQ
    - ESA90042
    $25.95
    Save 33%
    List $38.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima L4 2.0L Engine Knock Sensor TRQ ESA90042

    VIDEO

    Engine Knock Sensor
    1 reviews
    Brand: TRQ - ESA90042
    $25.95
    Save 33%
    List $38.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Oil Pressure Switch

    Replaces 2018 Kia Optima Oil Pressure Switch TRQ SWA40936

    Brand: TRQ
    - SWA40936
    $21.95
    Save 37%
    List $34.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 2018 Kia Optima Oil Pressure Switch TRQ SWA40936

    VIDEO

    Oil Pressure Switch
    Brand: TRQ - SWA40936
    $21.95
    Save 37%
    List $34.95 Save $13.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

  • Notify When Available

    VIDEO

    Ignition Kit

    Replaces 5 Piece Ignition Kit TRQ TKA39770

    Brand: TRQ
    - TKA39770

    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $147.95
    Save 30%
    List $211.95 Save $64.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

    Replaces 5 Piece Ignition Kit TRQ TKA39770

    VIDEO

    Ignition Kit
    Brand: TRQ - TKA39770
    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $147.95
    Save 30%
    List $211.95 Save $64.00

    Guaranteed to Fit 2018 Kia Optima

    Guaranteed to Fit 2018 Kia Optima

1

...

1 2 3 4 5

...

7
Close



Kia is a registered trademark of Kia Motors America Inc. 1A Auto is not affiliated with or sponsored by Kia or Kia Motors America Inc. See all trademarks.
Same Day Shipping

Need your part faster? Choose expedited shipping at checkout.

Guaranteed To Fit

Highest quality, direct fit replacement auto parts enforced to the strictest product standards.

USA Customer Support

Exceeding customers' expectations, our team of passionate auto enthusiasts are here to help.

Instructional Video Library

Thousands of how-to auto repair videos to guide you step-by-step through your repair.

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.