MAZDA K8T41371 Engine RX7 12A

( Protection Lock: No ), ( Input Connection: Oe ), ( Memory: Flash ), ( Placement On Vehicle: Front, Left, Lower ), ( Manufacturer Warranty: 1 Month ), ( Connector Type: Female ), ( Features: Easy Installation ), ( Mounting Style: Bolt-on ), ( Terminal Type: Pin ), ( Manufacturer Part Number: K8T41371 ), ( Material: Plastic ), ( Vintage Part: Yes ), ( Type: Engine Control Unit ), ( Country/region Of Manufacture: Japan )

Review MAZDA Rx7 Engine Computer 12a Mt Fast Ship fits 1981–1983

The Mazda RX-7 engine, specifically model K8T41371, was a revolution in the world of automobiles when it was introduced in the early 1980s. This Wankel rotary engine was a part of the legendary RX-7 lineup, and it set new standards for power, efficiency, and compactness.

The K8T41371 engine is a 13B-RE rotary unit, which denotes its displacement as 13B, and RE standing for the Revised-E version. This engine features a triangular rotor housing, which allows for a more compact design compared to traditional piston engines. The engine's displacement is 1,308 cc (0.13-liter), and it produces a maximum power output of approximately 120-130 hp (89-96 kW) at 6,500 rpm, depending on the specific application.

This Mazda engine is known for its distinctive sound, which is a result of its unique design. The RX-7 engine uses a unique fuel injection system with sequential port fuel injection (SPFI), which allows for more precise fuel delivery and better combustion efficiency. The engine also utilizes a twin-scroll turbocharger, which ensures optimal engine performance across the entire rev range.

The engine block is made from lightweight aluminum alloy, which helps to reduce weight and improve overall engine efficiency. The engine also features a forged crankshaft and pistons, which provide increased durability and reliability.

The Mazda RX-7 engine, model K8T41371, is a true technological marvel that has stood the test of time. Its compact design, impressive power output, and efficient fuel consumption make it a popular choice among enthusiasts and collectors alike. This engine is not only a symbol of Mazda's engineering prowess but also a testament to the company's commitment to innovation and performance.

In summary, the Mazda RX-7 engine, model K8T41371, is a 13B-RE rotary unit that was introduced in the early 1980s. It features a compact design, impressive power output of approximately 120-130 hp, and is known for its distinctive sound. The engine uses a unique fuel injection system, twin-scroll turbocharger, and a lightweight aluminum block for optimal performance and efficiency.

The Mazda RX-7 12A engine, specifically the K8T41371 variant, is a legendary rotary engine known for its unique design, high power output, and distinctive sound. Here are some pros and cons to consider before purchasing this engine.

1. Unique Rotary Design: The RX-7 12A engine's rotary design offers several benefits, including a more compact size, simpler construction, and smoother power delivery compared to traditional piston engines.

2. Powerful: The engine produces around 130-150 horsepower (depending on the condition and modifications), which is impressive for its size and age.

3. Smooth Power Delivery: Rotary engines offer a smooth and linear power delivery, making them fun to drive and responsive.

4. Relative Rarity: The Mazda RX-7 12A engine is a rare find, especially in good condition. Owning one can be a source of pride and satisfaction for any car enthusiast.

5. Modification Potential: The engine's unique design and high power output make it an excellent candidate for modifications, allowing enthusiasts to extract even more performance.

1. High Maintenance: Rotary engines require more frequent and specific maintenance compared to piston engines. This can include regular oil changes, timing belt replacement, and fuel system maintenance.

2. Fuel Efficiency: The engine's unique design and high power output result in poor fuel efficiency, which can be a concern for those looking to save on fuel costs.

3. Environmental Impact: Rotary engines emit more pollutants compared to piston engines, which can be a concern for those looking to minimize their environmental footprint.

4. Availability of Parts: With the engine being older, parts may be more difficult to find and purchase, which can make repairs more expensive and time-consuming.

5. High-End Price: The RX-7 12A engine is a high-end engine, and purchasing one in good condition can be quite expensive.

The Mazda RX-7 12A engine, specifically the K8T41371 variant, offers unique design, impressive power output, and smooth power delivery. However, it comes with higher maintenance costs, poor fuel efficiency, and a high price tag. If you are a car enthusiast looking for a rare, powerful, and unique engine, the RX-7 12A might be an excellent choice for you. However, if you prioritize fuel efficiency, low maintenance costs, or a more common engine, it might not be the best option. Ultimately, the decision to purchase this engine depends on your personal preferences, budget, and priorities.

Details:

Please refer to pictures, and part numbers for proper fitment. May be pictured and included however the taillight housing is only item sold covered under any warranty stated. Other parts such as accessories, bulbs, wiring, etc. Smaller items may also ship USPS.

And also what your original issue was that you're trying to resolve. Some computers/modules/radios may need to be programmed. Shipping outside the US is available upon request. All shipping covers the lower 48 states only.

Any other information pertaining to the part such as engine size, transmission type, etc. The fitment guides are a good reference but not always completely accurate.

part #: k8t41371 prices

• $84.49-$108.95

specifications ecusrush:

• for makes: Mazda
• for years: 1981-1983
• protection lock: No
• input connection: Oe
• memory: Flash
• placement on vehicle: Front, Left, Lower
• manufacturer warranty: 1 Month
• connector type: Female
• features: Easy Installation
• mounting style: Bolt-on
• terminal type: Pin
• manufacturer part number: K8T41371
• material: Plastic
• vintage part: Yes
• type: Engine Control Unit
• country/region of manufacture: Japan

offer ecusrush:

• availability: In Stock
• best offers: True
• started: August 1, 2025
• quantity: 1
• options: Ship-to-home
• sold: 0

general ecusrush:

• condition: Used
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

returns ecusrush:

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

shipping ecusrush:

• type: Fixed
• transit: 4-10 Days
• class: Standard
• cost: $10.00
• service: USPS Ground Advantage
• carrier: USPS

payments ecusrush:

• wallet: Paypal
• credit card: Visa
• other

seller ecusrush:

• # reviews: 8333
• city: Goode, Virginia
• rating: 99.6%

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