MAZDA 343.MZ1A21 Hatchback Engine Mount

( Model: MAZDA-3 ), ( Part Type: Engine Mount ), ( Genuine Oem: Yes ), ( Ipn: 343.mz1a21 )

Review MAZDA Hatchback Engine Mount fits 2021

The **Mazda 343.mz1a21 2021 21 Hatchback Engine Mount** is a precision-engineered, high-performance suspension component designed specifically for the Mazda3 (MZ1A21) platform, ensuring optimal engine stability, drivability, and longevity for this popular compact hatchback. Crafted from durable, high-grade materials, this engine mount is engineered to withstand the dynamic stresses of daily driving, from smooth city commutes to spirited highway cruising, while maintaining the vehicle s precise alignment and reducing unwanted vibrations that can compromise ride comfort and handling. The mount features a robust, reinforced construction with a robust rubber insert and a sturdy metal bracket, providing both flexibility for natural engine movement and rigidity to prevent excessive sway or misalignment. This design minimizes engine noise, vibration, and harshness (NVH), contributing to a quieter cabin and a more refined driving experience. Whether installed as an original equipment replacement or as part of a performance upgrade, this engine mount is meticulously compatible with the 2021 Mazda3 s 2.5L Skyactiv-G engine configuration, ensuring a seamless fit and reliable performance. Its robust build quality and attention to detail make it an essential component for maintaining the integrity of the vehicle s powertrain, extending the lifespan of related suspension and drivetrain components, and preserving the Mazda3 s signature blend of agility and comfort.

### Pros and Cons of Buying a Mazda 3 (2021, 21H Hatchback, 2.0L MZ1A21 Engine) Mount

1. **Reliability and Durability** Mazda engines, particularly the 2.0L Skyactiv-G (MZ1A21), are known for their robustness and longevity. This engine is well-regarded for its smooth operation and resistance to common issues like oil consumption or excessive wear, especially when maintained properly.

2. **Warranty Coverage** If purchasing from a dealer or a reputable seller, the original factory mount may still be under warranty (if the vehicle is within warranty period). Mazda s powertrain warranty typically covers 10 years or 150,000 miles, depending on the market.

3. **OEM Fit and Function** Original equipment manufacturer (OEM) parts are designed specifically for the vehicle, ensuring a perfect fit, proper alignment, and optimal performance. Aftermarket mounts may not replicate the exact specifications, potentially leading to drivability issues or premature wear.

4. **Prevents Future Problems** Engine mounts deteriorate over time due to heat, vibration, and age. Replacing a worn mount prevents excessive engine movement, which can damage other components like the transmission, exhaust, or suspension.

5. **Maintains Resale Value** Keeping the vehicle in good condition with original parts helps preserve its resale value. A well-maintained 2021 Mazda 3 with OEM mounts will appeal more to buyers.

6. **Ease of Installation** OEM mounts are designed to be installed by professionals with the correct tools and knowledge. Aftermarket parts may require additional modifications or adjustments, adding time and cost.

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1. **Higher Cost** OEM engine mounts are significantly more expensive than aftermarket alternatives. The price can range from **$150 to $300 per mount**, depending on the dealer or supplier, whereas aftermarket options may cost **$30 to $80 each**.

2. **Potential for Counterfeit Parts** Some sellers may offer "OEM" mounts that are actually knockoffs or remanufactured parts. These may not meet Mazda s exact specifications, leading to premature failure or poor performance.

3. **Labor Costs** Replacing engine mounts typically requires professional installation due to the complexity of the job (disconnecting components, aligning the engine properly, and ensuring no excessive strain on related systems). Labor costs can add **$150 to $300 or more**, depending on the shop.

4. **Time and Downtime** The repair process can take **2 to 4 hours**, depending on the mechanic s efficiency. This means the vehicle will be out of commission for at least a day, which may be inconvenient for daily drivers.

5. **Potential for Overkill** If the mount is not the primary issue (e.g., rattling sounds may come from other sources like exhaust brackets or suspension components), replacing just the mount may not fully resolve the problem, leading to repeated trips to the mechanic.

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Buying an **OEM engine mount (2021 Mazda 3, 2.0L MZ1A21)** is generally the **best long-term choice** for reliability, fit, and warranty coverage. While the upfront cost is higher, it ensures proper function, prevents further damage, and maintains the vehicle s integrity. However, if budget is a concern and the mount is not critically failing, a **high-quality aftermarket part from a reputable brand** (e.g., Febi Bilstein, Dorman, or Mann) can be a cost-effective alternative **as long as it meets Mazda s specifications**.

- **If possible, purchase the OEM mount** (especially if the vehicle is still under warranty or you want peace of mind).

- **Verify the part number (e.g., SKYACTIV-G specific mount)** to ensure compatibility.

- **Get the repair done by a Mazda-certified technician** to guarantee proper installation.

- **If going aftermarket, choose a brand with strong reviews and Mazda-specific engineering** (e.g., **FEBi Bilstein 14370, Dorman 9000740, or Mann 7120000100**).

- **Check for additional issues** (e.g., worn bushings, transmission mounts) that may need attention during the repair.

Ultimately, **prioritize quality over cost** a poorly installed or low-quality mount can lead to bigger problems down the road. If the mount is failing, addressing it promptly will save money in the long run.

Details:

Ship the item back. It is used original manufacture part OEM. What can and not be shipped is determined by shipping actual cost.

Painted Parts Warranty doors, trunks, fenders, hoods, bumpers. You see actual car/part pictures unless it says otherwise. Engine Warranty. Special Cut items are quarters, roofs, rails, and similar - it means is not unbolt able part, but needs to be cut.

2021 21 Mazda 3 Hatchback Engine Mount 116336 PLEASE SEE BELOW IN Part Detail FOR PART DETAILS AND FITMENT. Juliet, IL 60433. Special Cut Warranty. Our engines do not come with any accessories throttle body, starter, AC compressor, etc. Intake and exhaust manifolds are included.

New filter, proper fluids and seals must be installed, torque converter properly installed. For manual transmissions clutch comes as bonus, no warranty on. 2021 Mazda 3 Premium, AWD, gas, hatchback, 2.5L, 4c, AT, 47,010 miles, Japan built, exterior paint is black Jet Black, color code 41W. Transmission Warranty.

PLEASE UNDERSTAND that parts are used, not new condition, may have some imperfections, scratches from normal wear.

part #: 343.mz1a21 prices

• $109.99-$246.99

specifications engimou:

• for makes: Mazda
• for years: 2021
• model: Mazda-3
• part type: Engine Mount
• genuine oem: Yes
• ipn: 343.mz1a21

payments engimou:

• wallet: Paypal
• credit card: Visa
• other

seller engimou:

• city: Joliet, Illinois
• # reviews: 5081
• rating: 99.7%

shipping engimou:

• cost: $0.00
• transit: 4-7 Days
• service: Standard
• class: Standard
• type: Fixed

offer engimou:

• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True
• started: March 13, 2026
• availability: In Stock

general engimou:

• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts
• condition: Used

returns engimou:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

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