Acura TSX 2004-2008 2.4L RBB3 Engine | K24A

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$1,100.00
$1,100.00
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High-performance 2.4L four-cylinder i-VTEC engine imported from Japan 🇯🇵. Compression-tested and ready for installation — engineered for Acura TSX platforms seeking responsive power delivery, strong mid-range torque, and long-term reliability.

Engine code: K24A (JDM equivalent for K24A2 applications)

Cylinder-head casting: RBB-3

Configuration: Inline-4 DOHC 16-valve i-VTEC with three-lobe camshafts

Displacement: 2.4L (2354 cc)

Mileage: 45,000–65,000 miles (verified low-mileage JDM import)

Compression ratio: ~10.5:1 (factory spec; verified consistent compression across cylinders)

Fits:

  • Acura TSX 2.4L (2004–2008)

The high-compression K24A RBB-3 is known for its free-flowing cylinder head, responsive three-lobe VTEC system, and strong performance throughout the RPM range. Producing approximately 200 horsepower in its original JDM configuration, it is an excellent option for an OEM-style replacement, daily driving, or performance-oriented K-series builds.

Installation may require transferring the original intake and exhaust components, wiring harness, ECU, sensors, brackets, pulleys, and accessories from the North American engine. Fitment is provided for reference only. Please confirm compatibility with a certified mechanic before purchasing, or contact us and we’ll help you confirm fitment.

* Fitment list is provided for reference only. Please confirm fitment with a certified mechanic before purchasing to verify your exact engine model, or contact us and we’ll be happy to assist.

** Product image disclaimer : Images are for reference purposes only. Each engine and transmission is a unique used unit. Differences may include cosmetic condition, attached accessories, brackets, sensors, covers, wiring, or other external components. However, the engine or transmission shipped will match the model, engine code, and specifications stated in description.

  • ACHIEVING

    4.8

    average rating

  • With

    95%

    positive reviews

  • LESS THAN

    3%

    return rate

Are your products tested?

All of our JDM engines and transmissions are carefully tested and inspected before sale. They are first checked in Japan, then inspected again once they arrive in the U.S. to make sure they meet our quality standards.

We take pride in offering reliable used JDM parts, and your satisfaction is always our priority.

Does it come with a warranty?

We offer a 90-day limited replacement warranty for engines, covering head and block.
For automatic transmissions, 30-day limited replacement warranty.
For manual transmissions, 10-day startup warranty from date of purchase.
Some exceptions apply.

For more details: refer to our warranty and return policy here.

How fast is shipping?

Orders are usually shipped within 24–48 hours after full payment is received.

After fulfillment, delivery usually takes 1–10 business days, depending on the destination and carrier.

What's the returns policy?

We’re always happy to help if there’s an issue with your order. Since our products are used automotive parts, returns and warranty claims need to be reviewed and approved before anything is sent back.

To start a return or warranty claim, please follow the steps on our return page here:
How to Make a Return

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