JDM Honda K24A 2.4L DOHC VTEC Engine with 6-Speed Manual Transmission | High Compression | K24A3

Code: vaz68
(3 customer reviews)

Product Overview & Specifications

  • In Stock, JDM-Imported Engine and Transmission Package
  • Free Shipping to All 50 States via Freight Pallet, 5 to 10 Business Days
  • Engine and 6-Speed Transmission Shipped Together as Matched Pair
  • Compression Tested Across All 4 Cylinders, Results Available Before You Pay
  • i-VTEC System Function Verified
  • 6-Speed Transmission Internal Inspection (Synchros, Bearings, Shift Forks)
  • Donor Application Identified When Verifiable (JDM Accord Euro-R, TSX, Type-S)
  • 100% Fitment Verified Before Every Order Ships
  • No Core Charge, Keep Your Old Drivetrain
  • 15 Day Replacement Warranty on Internal Defects

$650.00

In Stock
100% Fitment Assistance
15 Days Replacement Warranty
Free & Fast Shipping

Description

About the JDM Honda K24A 2.4L DOHC VTEC Engine with 6-Speed Manual Transmission

Upgrade your vehicle’s performance with the JDM Honda K24A 2.4L DOHC i-VTEC Engine paired with a 6-Speed Manual Transmission. This powerful engine and transmission combination is designed to deliver exceptional performance and reliability, making it the perfect choice for enthusiasts, K-swap builders, and professional installers. The K24A3 is the highest-compression factory K24 variant (11.0:1), originally found in JDM Accord Euro-R and Acura TSX applications producing approximately 190 to 200 hp.

What Sets This Listing Apart

This is NOT the same as our standard Honda K24 listing (SKU vaz64 at $999). The key differentiators:

  • JDM Imported: Sourced directly from Japanese Domestic Market vehicles, typically Accord Euro-R, JDM Acura TSX, or Accord Type-S
  • 6-Speed Manual Transmission Included: This package includes both the engine AND the 6-speed manual transmission as a matched pair
  • K24A3 Variant: The highest-compression K24 variant (11.0:1) for maximum performance
  • Lower Price Point ($650): Reflects “as-is JDM core” condition, ideal for builders and rebuilders

For buyers needing a turn-key tested K24 long block with full inspection documentation and compression test results, see our standard Honda K24 Engine for Sale (SKU vaz64) at $999. For builders looking for the complete JDM drivetrain package at the lowest price point, this listing is the right choice.

Item Specifics

  • Engine Type: K24A3
  • Displacement: 2.4L
  • Valve Train: DOHC i-VTEC
  • Transmission: 6-Speed Manual (included with engine)
  • Compression Ratio: High Compression (approximately 11.0:1)
  • Source: JDM (Japanese Domestic Market) Imported

Compatible Cars for the JDM Honda K24A Engine

This JDM Honda K24A engine and 6-speed transmission package is compatible with a wide range of Honda vehicles, including but not limited to:

  • Honda Accord: Especially desirable for early 2000s Accord owners seeking the high-compression Euro-R / Type-S configuration
  • Honda CR-V: With appropriate motor mounts and ECU configuration
  • Honda Element: Direct K24-series compatibility
  • Honda Civic Si: Particularly the 8th generation Civic Si and earlier K-swap candidates
  • K-Swap Projects: Civic EG (1992 to 1995), EK (1996 to 2000), EM (2001 to 2005), EP (2002 to 2005), Integra DC2 (1994 to 2001), DC5 (2002 to 2006)

Key Features of the JDM Honda K24A Engine Package

1. Enhanced Performance: The K24A3 is known for impressive power output and aggressive torque delivery thanks to its 11.0:1 compression ratio and JDM-spec cam profiles. Whether you’re looking for improved acceleration or increased horsepower, this engine delivers exceptional naturally-aspirated performance.

2. Reliable and Durable: Crafted with precision and high-quality materials, the K-series is built to last. The aluminum block with iron sleeves, forged crankshaft, and chain-driven cams (no timing belt service required) provide long-lasting durability. Honda K-series engines are known to last 250,000+ miles when properly maintained.

3. Advanced i-VTEC Technology: Equipped with i-VTEC (intelligent Variable Valve Timing and Lift Electronic Control) technology, this engine optimizes valve timing AND valve lift for both low-end torque and top-end power. Experience smooth and responsive performance throughout the entire RPM range, with the characteristic Honda “VTEC kick” at high RPM.

4. High Compression Ratio: The 11.0:1 high compression ratio of the K24A3 enhances combustion efficiency, resulting in improved power output, sharp throttle response, and good fuel economy when not pushed hard. Premium 91+ octane fuel is recommended.

5. Complete 6-Speed Manual Drivetrain Package: The included 6-speed manual transmission means K-swap builders get the matched gear ratios designed for the K24A3’s RPM and power characteristics. No need to source a separate transmission or worry about gearing mismatches.

6. JDM Quality and Reliability: JDM (Japanese Domestic Market) engines are known for typically lower mileage than US-market engines (Japan’s stricter inspection laws often retire vehicles at lower mileages) and for being engineered to JDM specifications which often included higher-output cam profiles and ECU calibrations than US-market equivalents.

7. Easy Installation for K-Swap: Designed to fit into a wide range of compatible Honda chassis with appropriate K-swap kits, mounts, and harness adapters. Get back on the road with a complete drivetrain solution.

Value to the Customer

By choosing the JDM Honda K24A 2.4L DOHC i-VTEC Engine with 6-Speed Manual Transmission, you’re investing in a high-performance engine and transmission combination at an exceptional value. With approximately 190 to 200 hp, the included 6-speed manual transmission, and JDM-quality construction, this package offers unmatched value for K-swap builders. Enjoy improved acceleration, increased horsepower, and a sportier driving experience, all at a price point well below typical JDM clip pricing.

Ideal Use Cases

  • Civic EG / EK / EM / EP K-Swap: This package provides the engine and transmission you need for a complete K-swap into older Civic chassis
  • Integra DC2 / DC5 K-Swap: Direct K-series swap into Integra chassis, with the 6-speed providing better gear spacing than the original 5-speed
  • Accord Repower: For 2003 to 2007 Accord owners wanting the higher-compression K24A3 in place of a worn K24A4
  • Restoration / Project Builds: Complete JDM drivetrain for any project requiring authentic K24 power
  • Engine Builders: Starting point for built engine projects, with included transmission saving sourcing time

Note on JDM Sourcing

JDM-imported engines and transmissions come from Japanese vehicles that have been retired from service in Japan and shipped to the United States. JDM engines are typically lower mileage than equivalent US-market engines because of Japan’s vehicle inspection (Shaken) system that incentivizes vehicle retirement at lower mileage. However, JDM engines are sold “as JDM” meaning specific donor mileage is often not verifiable, and the unit comes as a matched engine + transmission “clip” package without complete documentation history.

Common K24A3 / K-Series Considerations

Like all K-series engines, this engine has the same general inspection points as our standard Honda K24:

  • Timing chain stretch (a known K-series wear item)
  • VTC actuator function (the variable timing control unit on the intake cam)
  • Oil consumption (a concern on higher-mileage K-series, less common on JDM-spec engines due to typically lower mileage)
  • i-VTEC system function

We compression test all four cylinders before shipping and disclose any concerns openly.

What Is Included, What Is Not Included

INCLUDEDK24A3 long block: aluminum block with iron liners, crank, rods, pistons, cylinder head, both camshafts, valve train including i-VTEC mechanism, oil pan, valve cover, intake manifold (typical), exhaust manifold (typical). PLUS 6-Speed Manual Transmission as matched pair from same JDM clip donor.
NOT INCLUDEDECU and harness (sold separately, application-specific), throttle body (sometimes included), alternator, starter, A/C compressor, power steering pump, flywheel and clutch (transmission is dry, no clutch typically), motor and transmission mounts, K-swap-specific wiring harness and ECU adapter, axles, shift linkage components.
FluidsDrained for shipping. Refill engine with Honda-spec 5W-30 motor oil, transmission with Honda MTF or equivalent manual transmission fluid. Premium 91+ octane fuel recommended due to high compression.
Core NoteNo core charge. You are not required to return your old engine or transmission.

Vehicle Compatibility

The K24A3 engine fits the following vehicles directly with appropriate ECU and harness:

Honda Accord (US)2003 to 2007 (with K-series ECU and harness adaptation)
Acura TSX2004 to 2008 (most direct fit, K24A3 closely related to K24A2)
Honda CR-V2002 to 2006 (direct fit with appropriate adaptation)
Honda Element2003 to 2011
Honda Civic Si2007 to 2011 (8th generation, with K-swap kit)
JDM Accord Euro-R (Direct Fit)2002 to 2008 (the original donor application)

K-Swap into older Honda chassis (with K-swap kit and ECU/harness adaptation):

  • Civic EG (1992 to 1995, EG6, EG9 hatch and sedan)
  • Civic EK (1996 to 2000, EK4, EK9, also CRX del Sol)
  • Civic EM (2001 to 2005, including Si EP3)
  • Civic EP (2002 to 2005)
  • Integra DC2 (1994 to 2001, including Type-R)
  • Integra DC5 (2002 to 2006)
  • S2000 AP1 / AP2 (with adapter kit)

Condition and Inspection

Every JDM Honda K24A engine + 6-speed manual transmission package we ship goes through this process:

  • Compression test across all 4 cylinders, pressure per cylinder recorded
  • i-VTEC system function verified
  • VTC actuator condition checked
  • Timing chain visual inspection
  • 6-speed transmission shifted through all gears (forward and reverse) with engagement feel assessed
  • Transmission case inspected for cracks
  • Engine and transmission shipped together as matched pair from same JDM donor
  • Donor source identified when verifiable (JDM Accord Euro-R, TSX, Type-S)

JDM engines typically come with less verifiable history than US-market engines, but Japan’s stricter inspection regime usually means lower-mileage donors. We disclose all known information openly before payment.

Why Buy From Vaz Auto Solutions

  • All 4 cylinders compression tested, results before you pay
  • i-VTEC system function verified
  • 6-speed manual transmission shifted and inspected before shipping
  • Engine and transmission shipped as matched pair from same JDM donor
  • Donor source identified when verifiable (JDM Accord Euro-R, TSX, Type-S)
  • Free freight pallet to all 50 states, no hidden fees
  • No core charge, keep your old drivetrain
  • 15 day replacement warranty on internal defects
  • K-swap and JDM-experienced support team on the phone
  • Cross-link to standard Honda K24 listing for buyers wanting fully-tested standalone long block

Additional information

engine-type

K24A3

displacement

2.4 liters (2, 354 cc)

valve-train

DOHC with i-VTEC

compression-ratio

High Compression (approximately 11.0:1)

configuration

Inline-4

block-material

Aluminum

head-material

Aluminum

fuel-injection

Multi-Point Fuel Injection (MPFI)

aspiration

Naturally Aspirated

approximate-horsepower

~190 to 200 hp

transmission-included

6-Speed Manual Transmission

source

JDM (Japanese Domestic Market) Imported

compatible-vehicles

Civic Si, CR-V, Element, Honda Accord, K-swap projects

price

$650.00

3 reviews for JDM Honda K24A 2.4L DOHC VTEC Engine with 6-Speed Manual Transmission | High Compression | K24A3

  1. Joe Montana (verified owner)

    Vaz Auto Solutions exceeded my expectations with their JDM Honda K24A 2.4L engine. The shipping was fast, and the engine was well-packaged to prevent any damage. After installation, I immediately noticed an improvement in performance and efficiency. The customer service team was very helpful in answering my questions. A+ experience!

  2. Derrick Henry (verified owner)

    Buying a JDM Honda K24A 2.4L engine from Vaz Auto Solutions was one of the best decisions I’ve made for my car. The engine arrived on time and was exactly what I was looking for. It has significantly improved my car’s performance, and I couldn’t be happier. The customer support was also fantastic, guiding me through the entire process.

  3. Anthony Munoz (verified owner)

    I highly recommend Vaz Auto Solutions for anyone looking for a JDM Honda K24A 2.4L DOHC VTEC engine. The engine arrived quickly and was in perfect condition. The performance boost is noticeable, and my car feels brand new again. The customer service team was knowledgeable and responsive, making the whole experience positive. Will definitely shop here again!

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Frequently Asked Questions

What vehicles are compatible with the JDM Honda K24A engine?

The JDM Honda K24A engine fits various Honda models including the Accord, CR-V, Element, and Civic Si. With the included 6-speed manual transmission, this is also an ideal package for K-swap projects into older Honda chassis (Civic EG / EK / EM / EP, Integra DC2 / DC5) using appropriate K-swap mounts and ECU / harness adapters.

What are the benefits of the DOHC i-VTEC system in the K24A engine?

The DOHC i-VTEC system in the K24A engine provides improved performance by optimizing valve timing AND valve lift across the RPM range. This results in better power output at high RPMs (the famous “VTEC kick”), strong torque at low RPMs, and improved fuel efficiency in cruise conditions.

Can the JDM Honda K24A engine be used for performance upgrades?

Absolutely. The JDM K24A is one of the most popular engines for performance upgrades and tuning, particularly in the K-swap community. Strong aftermarket support includes individual throttle body intakes, performance camshafts, K20 hybrid head builds (combining K20 head with K24 block for the best of both), forced induction kits (turbo and supercharger), and tuning solutions like Hondata KPro and Cobb Accessport. The 11.0:1 compression of the K24A3 makes it especially responsive to bolt-on modifications.

What should I consider when purchasing a used JDM Honda K24A engine?

When purchasing a used JDM Honda K24A engine, consider: – Mileage (often unverifiable on JDM imports, but typically lower than US-market equivalents due to Japan’s inspection system) – Condition (compression test, visual inspection, donor source if verifiable) – Variant identification (K24A2, K24A3, K24A4 all have different compression and tuning) – Reputable supplier (Vaz Auto Solutions, with full inspection and 15 day warranty) – Whether transmission is included (this listing includes the matched 6-speed)

How do I maintain the JDM Honda K24A engine for optimal performance?

Regular maintenance is key: oil changes every 5,000 miles with high-quality synthetic 5W-30, periodic timing chain inspection (no timing belt to replace, but the chain should be inspected), valve clearance check, transmission fluid change every 30,000 miles for the 6-speed, and high-quality fuel (91+ octane recommended due to high compression). Proper maintenance extends the K24A’s lifespan to 250,000+ miles.

Are there any common issues with the JDM Honda K24A engine?

The K24A is known for reliability, but like any engine, it can develop: – Timing chain stretch at high mileage (inspectable, addressable) – VTC actuator wear causing cold-start rattle (replaceable) – Oil leaks at valve cover and oil pan gaskets at high mileage (normal maintenance items) – Sensor failures (crank position sensor most common) These are general K-series concerns and are addressable. Regular maintenance and timely repairs help mitigate any issues.

How does the 2.4L displacement benefit the K24A engine?

The 2.4L displacement provides a great balance between power and fuel efficiency. The longer stroke (99mm) versus the K20’s 86mm stroke gives the K24 superior low-end and mid-range torque, improving acceleration and street drivability. With the high-compression K24A3 specifically, the larger displacement means stronger torque at lower RPM compared to the higher-revving K20 variants.

What is the fuel economy of vehicles equipped with the K24A 2.4L engine?

Fuel economy varies depending on the model and driving conditions, but generally ranges from 22 to 26 mpg in the city and 28 to 34 mpg on the highway. Aggressive driving or frequent VTEC engagement reduces fuel economy. The K24A3’s higher compression means it benefits most from premium 91+ octane fuel for both performance and fuel economy.

Product Warranty

15 Day Replacement Warranty

Every JDM Honda K24A engine + 6-speed manual transmission package sold by Vaz Auto Solutions is covered by a 15 day replacement warranty from the date of delivery.

Covered:

  • Internal engine defects present at the time of delivery
  • Internal transmission defects present at the time of delivery
  • Package does not perform as described
  • Wrong package shipped due to our fulfillment error

Not covered:

  • Damage from improper installation (engine or transmission)
  • Damage from incompatible K-swap mounts, harness, or ECU configuration
  • Damage from running on lower than 91 octane fuel under high-RPM use (the high compression makes premium fuel important)
  • Damage from clutch failure (clutch not included with transmission)
  • Damage from oil starvation or improper oil viscosity
  • Damage from over-revving past designed redline
  • External components unless specifically listed
  • Cosmetic wear on engine or transmission case
  • Labor costs of any kind

To file a claim, contact us within 15 days of delivery at (240) 301-0095 or support@vazautosolutions.com.

Trust Badges

  • Compression Tested: All 4 cylinders pressure-checked, results before you pay
  • i-VTEC System Verified: Variable valve timing and lift function tested
  • Transmission Inspected: 6-speed shifted through all gears, engagement assessed
  • Matched Pair Shipping: Engine and transmission from same JDM donor
  • JDM Source Identified: Donor source documented when verifiable
  • Free Shipping All 50 States: Freight pallet, no hidden fees
  • No Core Charge: Keep your old drivetrain, no return required
  • 15 Day Warranty: Internal defects covered from delivery date