MAZDA PEX402300A Engine 2.0L 8TH

( Manufacturer Part Number: PEX402300A ), ( Model: MX-5 ), ( Manufacturer Warranty: 6 Month ), ( Core Charge: 90.00 Which Is Included In The Total Price ), ( Genuine Oem: Yes ), ( Seller Notes: 2.0, Flr, 6at, 150-160 Cold Comp ), ( Color: Red ), ( Reference Oe/oem: Pex402300a, Pex402300b, Pex402300c, Pex402300d, Pex402300f ), ( Compatibility: Mazda Mx-5 Miata 16-18, Vin 7, 8th Digit, At ), ( Engine Size: 2.0l ), ( Fuel Type: Gas ), ( Type: Engine Complete Assembly )

Review MAZDA Used Engine Complete Assembly Fits 2.0l Vin 8th Digit fits MIATA MX-5 2016

The Mazda PEX402300A engine is a marvel of modern automotive engineering, expertly installed in the 2016 Mazda MX-5 Miata 2.0L 8th generation. This engine is a 2.0-liter, four-cylinder, DOHC (Double Overhead Camshaft) unit, delivering an impressive balance of power and fuel efficiency.

The engine block is made of aluminum alloy, which not only reduces weight but also enhances thermal efficiency. The DOHC design allows for optimal valve control, enabling the engine to breathe more efficiently and produce greater power output. The engine features a compact, high-compression combustion chamber, with a compression ratio of 13:1, helping to ensure smooth and responsive performance.

The Mazda PEX402300A engine is equipped with Mazda's innovative i-ELOOP regenerative braking system, which captures and stores electrical energy during deceleration, providing a noticeable improvement in fuel economy and reduced emissions. The engine also features Mazda's Skyactiv-G technology, which optimizes the combustion process for increased power and torque.

The engine is mated to a choice of transmissions, including a six-speed manual or a six-speed automatic. The manual transmission features a short-throw shifter and synchronizers for smooth and precise gear changes. The automatic transmission features Mazda's Skyactiv-Drive technology, which provides quick and responsive shifts.

The Mazda PEX402300A engine is also equipped with advanced technology features, such as electronic fuel injection, multi-point ignition, and a variable intake manifold. These features help to optimize fuel delivery and combustion, resulting in improved power output, reduced emissions, and enhanced fuel efficiency.

The engine is also designed to be durable and reliable, with features such as a cast iron crankshaft, forged pistons, and a durable timing chain. The engine also features a maintenance-free timing belt, reducing the need for costly and time-consuming maintenance.

In summary, the Mazda PEX402300A engine is a high-performance, fuel-efficient, and technologically advanced powertrain that delivers an exhilarating driving experience in the 2016 Mazda MX-5 Miata 2.0L 8th generation. With its compact size, impressive power output, and advanced technology features, this engine is a standout choice for those seeking a fun and engaging driving experience.

The Mazda PEX402300A engine is a 2.0-liter, 4-cylinder powerplant that was used in the 2016 Mazda MX-5 Miata 8th generation. Here are some pros and cons of buying this engine for your Miata:

1. Excellent Power-to-Weight Ratio: With 155 horsepower and 148 lb-ft of torque, this engine delivers impressive performance for its size and weight, making it a popular choice among Miata enthusiasts.

2. Fuel Efficiency: The engine is known for its excellent fuel economy, with an EPA-estimated 27 mpg city and 36 mpg highway.

3. Reliability: The Mazda PEX402300A engine is known for its reliability and durability. It uses Mazda's SkyActiv technology, which aims to reduce weight and improve efficiency while maintaining robustness.

4. Smooth and Responsive: The engine provides a smooth and responsive driving experience, making it a joy to operate, particularly in the Miata's agile chassis.

5. Affordability: The engine is relatively affordable compared to other high-performance engines in its class, making it an attractive option for budget-conscious buyers.

1. Limited Aftermarket Support: Due to its relatively new design, the Mazda PEX402300A engine may have limited aftermarket support, which could make it more difficult and expensive to modify or maintain.

2. Potential for Knocking: Some drivers have reported experiencing knocking or pinging noises from the engine, particularly under heavy acceleration or high RPMs. This issue may be related to the engine's fuel system or ignition timing, but it can be addressed through proper tuning and maintenance.

3. Limited Power Output: For those seeking extreme performance, the 155 horsepower output of the Mazda PEX402300A engine may not be sufficient.

The Mazda PEX402300A engine offers a compelling combination of power, fuel efficiency, and reliability for the 2016 Miata 8th generation. Its smooth and responsive driving experience, excellent fuel economy, and durable construction make it an attractive choice for many buyers. However, its limited aftermarket support and potential for knocking under heavy load may be a concern for some. Ultimately, the decision to buy this engine depends on your personal preferences, budget, and driving style. If you're looking for a reliable, high-performance engine with good fuel economy and a smooth driving experience, the Mazda PEX402300A is an excellent choice. However, if you require extensive aftermarket support or seek extreme performance, you may want to consider alternative engine options.

If you're in the market for a new engine for your 2016 Mazda MX-5 Miata 8th generation and are drawn to the excellent power-to-weight ratio, fuel efficiency, and reliability of the Mazda PEX402300A engine, then we would recommend giving it a serious consideration. However, if you're concerned about the limited aftermarket support or potential knocking issue, we would suggest consulting with a Mazda specialist or performance shop to discuss potential modifications or solutions. Ultimately, the decision to buy this engine depends on your personal preferences, driving style, and budget. Weigh the pros and cons carefully and consult with experts to ensure that this engine is the right choice for your Miata.

Details:

This part fits vehicles made in the following years 2016 ,2017, 2018. Every part is cleaned, tested and inspected by experts. All parts are covered by warranty. Original parts mean a perfect fit.

Parts go back into cars rather than landfill.

part #: pex402300a prices

• $843.74-$2160.00

specifications grokengines:

• for models: Mx-5, Miata
• for makes: Mazda
• for years: 2016
• mpn: Pex402300a
• model: Mx-5
• manufacturer warranty: 6 Month
• core charge: 90.00 Which Is Included In The Total Price
• genuine oem: Yes
• seller notes: 2.0, Flr, 6at, 150-160 Cold Comp
• color: Red
• reference oe/oem: Pex402300a, Pex402300b, Pex402300c, Pex402300d, Pex402300f
• compatibility: Mazda Mx-5 Miata 16-18, Vin 7, 8th Digit, At
• engine size: 2.0l
• fuel type: Gas
• type: Engine Complete Assembly

general grokengines:

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

seller grokengines:

• rating: 98.5%
• # reviews: 4737
• city: Corvallis, Oregon

offer grokengines:

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

payments grokengines:

• wallet: Google-pay
• credit card: Discover
• other

returns grokengines:

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

shipping grokengines:

• class: Freight
• service: Flat Rate Freight
• cost: $249.99
• type: Fixed

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