| Summary | |||
|---|---|---|---|
| Year: | 2018change | ||
| Make: | Mazdachange | ||
| Model: | 3change | ||
| Sub Models: | Basechange | ||
| Item: | Transmission Assembly | ||
| Condition: | OEM Used | ||
| Items Available: | 145 | ||
| Price Range: | $354 - $1,654 (before local discount) | ||
| Local Discount: | Up to $100.00 | ||
| Returns: |
Cancellation & Return Policy | ||
| Item: | Transmission Assembly change |
| Condition: | OEM Usedchange |
| Items Available: | 145 |
| Price Range: | $354 - $1,654 (before local discount) |
| Local Discount: | Up to $100.00 |
Quality Tested Parts
Nationwide Shipping
1-year warranty
Low Price Guarantee
30-Day Free ReturnsSelect the right Transmission for your 2018 Mazda 3
This part may have multiple fitment options depending on your vehicle's engine, drivetrain, and configuration. To ensure proper compatibility, please select the correct fitment below. If you’re unsure, we strongly recommend checking your VIN or vehicle build details before ordering. You can update or change the fitment selection at any time.
Transmission - Automatic Transmission (6 Speed) 2.0L
Select FitmentThis fitment option is for 2018 Mazda 3 2.0L. This is an automatic 6-Speed-speed transmission. Select this option if your vehicle has a 2.0L engine.
Items in stock: 6
Items in stock: 6
Transmission - Automatic Transmission (6 Speed) 2.5L
Select FitmentThis fitment option is for 2018 Mazda 3 2.5L. This is an automatic 6-Speed-speed transmission. Select this option if your vehicle has a 2.5L engine.
Items in stock: 118
Items in stock: 118
Transmission - Manual Transmission (6 Speed) 2.0L
Select FitmentThis fitment option is for 2018 Mazda 3 2.0L. This is a manual 6-Speed-speed transmission. Select this option if your vehicle has a 2.0L engine.
Items in stock: 2
Items in stock: 2
Transmission - Manual Transmission (6 Speed) 2.5L
Select FitmentThis fitment option is for 2018 Mazda 3 2.5L. This is a manual 6-Speed-speed transmission. Select this option if your vehicle has a 2.5L engine.
Items in stock: 19
Items in stock: 19
Interchange Fitment FAQs
A: All Transmission options shown on this page are matched to your selected configuration:
2018 Mazda 3.
Used OEM parts are dismantled from donor vehicles as complete assemblies, and a specific interchange fitment is assigned during this process.
Every detail shown in the fitment notes must match your vehicle exactly.
A: An interchange fitment option defines the exact donor vehicle configuration your part came from. For 2018 Mazda 3, this may include engine size, VIN code,
transmission model, drivetrain, axle ratio, and other critical identifiers. This data comes from VIN decoding, OEM information, and
physical inspection of the donor vehicle.
A: Used OEM parts are not universal. If any fitment detail for your 2018 Mazda 3 differs from what is shown in the fitment notes,
the Transmission may not install, communicate with your vehicle, or function correctly. Always verify all fitment details before ordering.
A: Fitment information is captured when the donor vehicle is dismantled.
The yard decodes the VIN for 2018 Mazda 3, checks OEM data and interchange databases,
and verifies details during physical inspection. The resulting fitment is then assigned to the Transmission assembly.
A: Many 2018 Mazda 3 vehicles were built with multiple configurations in the same year and trim. Trim name alone (XLT, Limited, Sport, etc.) is not enough.
You must match the exact configuration shown in the fitment notes—such as engine size, transmission type, drivetrain, and axle ratio—before selecting a Transmission.
A: You can find the VIN for your 2018 Mazda 3 on
the driver-side dashboard (visible through the windshield), inside the driver-side door jamb, and on your registration or insurance documents.
The VIN helps confirm the correct configuration and fitment.
A: For transmission fitment, match transmission type (automatic or manual), number of speeds, drivetrain (2WD, 4WD, or AWD), and transmission model as shown in the fitment notes for
your 2018 Mazda 3.
All of these must match before you select a transmission.
A: 2WD, 4WD, and AWD transmissions are not interchangeable even if they look similar. The interchange fitment is assigned to the transmission based on the donor vehicle’s drivetrain,
so your 2018 Mazda 3 must have the same drivetrain for the transmission to fit correctly.
Enter your Zip Code below to find parts near you. The more local you shop, the more you save off the original sale price!
Attention!
There are 4 Transmission Assembly choices for the
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Available Parts
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- Radiator Support (38)
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- GPS / Info Screen (46)
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- Seat, Front (190)
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- Speedometer (150)
- Steering Wheel (-)
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- Trailer Hitch (-)
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- Air Spring (-)
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- Axle Shaft (165)
- Axle, Front (-)
- Axle, Rear (-)
- Back Axle (-)
- Brake Master Cylinder (125)
- Bumper Shock (-)
- Cab Clip (-)
- Camshaft (-)
- Cylinder Head (-)
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- Drive Shaft, Rear (-)
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- Engine Pullout (-)
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- Frame (-)
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- I Beam (-)
- Intake Manifold (4)
- Leaf Spring, Front (-)
- Leaf Spring, Rear (-)
- Lower Control Arm, Front (21)
- Lower Control Arm, Rear (120)
- Muffler (-)
- Oil Pan (-)
- Power Brake Booster (129)
- Power Steering Pump (21)
- Radiator Overflow Bottle (75)
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- Shock, Rear (160)
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- Spoiler, Rear (1)
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- Steering Gear (17)
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- Stub Axle, Rear (32)
- Suspension Compressor (-)
- Suspension Cross Member (251)
- Throttle Body (96)
- Timing Cover (-)
- Torque Converter (-)
- Torsion Bar (-)
- Transfer Case Assembly (-)
- Transfer Case Motor (-)
- Transmission Cooler (-)
- Turbo (-)
- Upper Control Arm, Front (-)
- Upper Control Arm, Rear (39)
- Vacuum Pump (14)
- Valve Cover (-)
- Water Pump (-)
- Window Regulator, Front (61)
- Window Regulator, Rear (54)
