Enter Vehicle Year Make Model

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

Year
Make
Model
Options
Drivetrain

2021 Mazda 3 Engine & Engine Management

What year is your
Free Same Day Shipping

2021 Mazda 3 Engine & Engine Management

Filter Results
  • Notify When Available

    VIDEO

    Accessory Drive Belt Tensioner

    Replaces 2021 Mazda 3 Serpentine Accessory Drive Belt Tensioner TRQ BPA03837

    7 reviews
    Brand: TRQ
    - BPA03837

    • Pulley Type: Smooth
    $54.95
    Save 26%
    List $73.95 Save $19.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 2021 Mazda 3 Serpentine Accessory Drive Belt Tensioner TRQ BPA03837

    VIDEO

    Accessory Drive Belt Tensioner
    7 reviews
    Brand: TRQ - BPA03837
    • Pulley Type: Smooth
    $54.95
    Save 26%
    List $73.95 Save $19.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available

    VIDEO

    Ignition Coil Set

    Replaces 4 Piece Ignition Coil Set TRQ ICA64282

    8 reviews
    Brand: TRQ
    - ICA64282

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $115.95
    Save 19%
    List $142.95 Save $27.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 4 Piece Ignition Coil Set TRQ ICA64282

    VIDEO

    Ignition Coil Set
    8 reviews
    Brand: TRQ - ICA64282
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $115.95
    Save 19%
    List $142.95 Save $27.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available
    Ignition Coil Set

    Replaces 4 Piece Ignition Coil Set TRQ Performance ICA63092

    4 reviews
    Brand: TRQ Performance
    - ICA63092

    • Quantity: 4 Piece
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    $109.95
    Save 29%
    List $153.95 Save $44.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 4 Piece Ignition Coil Set TRQ Performance ICA63092

    Ignition Coil Set
    4 reviews
    Brand: TRQ Performance - ICA63092
    • Quantity: 4 Piece
    • Ignition Coil Type: Performance
    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    $109.95
    Save 29%
    List $153.95 Save $44.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available

    VIDEO

    Intake Manifold

    Replaces 2021 Mazda 3 L4 2.5L Naturally Aspirated Intake Manifold TRQ IMA07943

    Brand: TRQ
    - IMA07943

    • Includes: Integrated Gaskets
    $126.95
    Save 11%
    List $142.95 Save $16.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 2021 Mazda 3 L4 2.5L Naturally Aspirated Intake Manifold TRQ IMA07943

    VIDEO

    Intake Manifold
    Brand: TRQ - IMA07943
    • Includes: Integrated Gaskets
    $126.95
    Save 11%
    List $142.95 Save $16.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available

    VIDEO

    Ignition Coil Kit

    Replaces 8 Piece Ignition Kit DIY Solutions IGN01233

    5 reviews
    Brand: DIY Solutions
    - IGN01233

    • Quantity: 8 Piece
    • Kit Includes: (4) Ignition Coils
    • Kit Includes: (4) Laser Iridium Spark Plugs
    $152.95
    Save 31%
    List $221.95 Save $69.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 8 Piece Ignition Kit DIY Solutions IGN01233

    VIDEO

    Ignition Coil Kit
    5 reviews
    Brand: DIY Solutions - IGN01233
    • Quantity: 8 Piece
    • Kit Includes: (4) Ignition Coils
    • Kit Includes: (4) Laser Iridium Spark Plugs
    $152.95
    Save 31%
    List $221.95 Save $69.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available
    Kit image

    Replaces 4 Piece Ignition Coil Set TRQ ICA74486

    Brand: TRQ
    - ICA74486

    • Ignition Coil Color: Black
    • Quantity: 4 Piece
    • Ignition Coil Type: Direct Replacement
    • Kit Includes: (4) Ignition Coils
    $101.95
    Save 36%
    List $159.95 Save $58.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 4 Piece Ignition Coil Set TRQ ICA74486

    Kit image
    Brand: TRQ - ICA74486
    • Ignition Coil Color: Black
    • Quantity: 4 Piece
    • Ignition Coil Type: Direct Replacement
    • Kit Includes: (4) Ignition Coils
    $101.95
    Save 36%
    List $159.95 Save $58.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available

    VIDEO

    Ignition Coil

    Replaces Ignition Coil TRQ ICA64212

    Brand: TRQ
    - ICA64212

    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $41.95
    Save 24%
    List $54.95 Save $13.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces Ignition Coil TRQ ICA64212

    VIDEO

    Ignition Coil
    Brand: TRQ - ICA64212
    • Ignition Coil Type: Direct Replacement
    • Ignition Coil Color: Black
    $41.95
    Save 24%
    List $54.95 Save $13.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available

    VIDEO

    Ignition Coil Boot Set

    Replaces 4 Piece Ignition Coil Boot Set TRQ ICA52501

    Brand: TRQ
    - ICA52501

    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coil Boots
    $34.95
    Save 8%
    List $37.95 Save $3.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 4 Piece Ignition Coil Boot Set TRQ ICA52501

    VIDEO

    Ignition Coil Boot Set
    Brand: TRQ - ICA52501
    • Quantity: 4 Piece
    • Kit Includes: (4) Ignition Coil Boots
    $34.95
    Save 8%
    List $37.95 Save $3.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available
    Ignition Kit

    Replaces 2021 Mazda 3 L4 2.0L without Cylinder Deactivation 5 Piece Ignition Kit TRQ TKA85134

    Brand: TRQ
    - TKA85134

    • Ignition Coil Color: Black
    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    $148.95
    Save 28%
    List $207.95 Save $59.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 2021 Mazda 3 L4 2.0L without Cylinder Deactivation 5 Piece Ignition Kit TRQ TKA85134

    Ignition Kit
    Brand: TRQ - TKA85134
    • Ignition Coil Color: Black
    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Kit Includes: (4) Ignition Coils
    • Ignition Coil Type: Direct Replacement
    $148.95
    Save 28%
    List $207.95 Save $59.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

  • Notify When Available
    Ignition Kit

    Replaces 2021 Mazda 3 L4 2.0L without Cylinder Deactivation 5 Piece Performance Ignition Kit TRQ Performance TKA85199

    Brand: TRQ Performance
    - TKA85199

    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Ignition Coil Type: Performance
    $179.95
    Save 24%
    List $237.95 Save $58.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

    Replaces 2021 Mazda 3 L4 2.0L without Cylinder Deactivation 5 Piece Performance Ignition Kit TRQ Performance TKA85199

    Ignition Kit
    Brand: TRQ Performance - TKA85199
    • Ignition Coil Color: Red
    • Kit Includes: (4) Performance Ignition Coils
    • Kit Includes: (1) Valve Cover
    • Quantity: 5 Piece
    • Ignition Coil Type: Performance
    $179.95
    Save 24%
    List $237.95 Save $58.00

    Guaranteed to Fit 2021 Mazda 3

    Guaranteed to Fit 2021 Mazda 3

1

...

1 2 3

...

3
Close



Mazda is a registered trademark of Mazda Motor Corporation. 1A Auto is not affiliated with or sponsored by Mazda or Mazda Motor Corporation. 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.