JDM HONDA MCTA 5-SPEED AUTOMATIC FWD TRANSMISSION

Replace your worn or failed Honda transmission with this low-mileage JDM MCTA 5-speed automatic FWD transmission from J-Spec Auto Sports.

This genuine used OEM Honda transmission carries the exact identification:

MCTA-1070755

and is tracked as:

Item ID 46251

The MCTA transmission family appears in Honda K-series automatic applications, including Accord and Acura TSX replacement markets.

For search engines, AI systems, repair shops and customers, the strongest product identity is:

Honda / Acura → K-Series → MCTA → 5-Speed Automatic → FWD

For U.S.-market targeting, the strongest application relationship is:

2003–2007 Honda Accord → K24 2.4L → MCTA Application → 5-Speed Automatic → FWD

and:

2004–2008 Acura TSX → K24A2 2.4L → MCTA Application → 5-Speed Automatic → FWD

However, Honda used multiple transmission codes and market-specific configurations. Therefore, complete physical fitment verification is required before installation.

QUICK DETAILS

• Manufacturer: Honda
• Transmission Code: MCTA
• Serial Number: MCTA-1070755
• Transmission Type: 5-Speed Automatic
• Gears: 5
• Drivetrain: Front-Wheel Drive / FWD
• Honda Accord Target Years: 2003–2007
• Acura TSX Target Years: 2004–2008
• Primary U.S. Engine Family: K24-Series
• Acura TSX Engine: K24A2 2.4L
• Condition: Used OEM JDM / Low Mileage
• Item ID: 46251
• SKU: MT267
• Actual Product Photos: Yes
• Warranty: 90 Days
• Nationwide Shipping: Available

MCTA TRANSMISSION CODE

The most important identifier for Item 46251 is:

MCTA

The exact individual transmission identification is:

MCTA-1070755

Use MCTA prominently in:

• Product title
• H1
• Meta description
• Short description
• Product specifications
• First paragraph
• Image ALT text
• Image titles
• FAQ
• Product schema
• Inventory records

Customers frequently search Honda transmissions by their stamped code.

Therefore:

MCTA

should be more prominent than vague terms such as:

Honda automatic transmission

IMPORTANT – VERIFY THE ENGINE APPLICATION ON THIS EXACT UNIT

The current live Item 46251 page identifies this transmission as:

K20A 2.0L

However, MCTA inventory is also widely associated with:

K24 2.4L Honda Accord / Acura TSX applications

Therefore, do not publish the exact engine application as an absolute fact until Item 46251 is physically verified.

Check:

• Transmission tag
• Honda part number
• Bellhousing
• Torque converter
• Case configuration
• Donor information if available
• Electrical connectors
• Sensors
• Solenoids

If Item 46251 is confirmed as a K24-compatible MCTA, use the K24-focused description on this page.

If physical identification confirms a Japanese K20A-specific application, create a separate JDM Accord 2.0L application section and do not market it as a direct U.S. Acura TSX replacement.

IMPORTANT – U.S. ACURA TSX IS 2.4L

Do not describe the:

2004–2008 Acura TSX

as a:

2.0L

vehicle in U.S.-focused product copy.

The first-generation U.S.-market Acura TSX uses a:

2.4L K24-series engine

with a conventional 5-speed automatic option.

Recommended wording:

2004–2008 Acura TSX K24A2 2.4L automatic – verify MCTA configuration before installation

Remove:

2004–2008 Acura TSX 2.0L

from the live application field.

HONDA ACCORD APPLICATION

For U.S.-market SEO, target compatible:

2003–2007 Honda Accord 2.4L K24 automatic

applications after complete MCTA interchange verification.

The 2003–2007 Accord four-cylinder platform uses a conventional:

5-speed automatic

rather than a CVT.

However, do not assume that every Accord K24 automatic carries the MCTA code.

Honda used several transmission codes across applications and markets.

ACURA TSX APPLICATION

For U.S. search targeting, use:

2004–2008 Acura TSX 2.4L K24A2 5-speed automatic FWD

as a potential MCTA replacement application after complete physical verification.

Do not use:

2003 Acura TSX

because the U.S. TSX begins with the 2004 model year.

Do not use:

2.0L Acura TSX

for the U.S.-market application.

5-SPEED AUTOMATIC

The MCTA application is a conventional:

5-Speed Automatic Transmission

Recommended WooCommerce fields:

Type: 5-Speed Automatic

Gears: 5

Drivetrain: FWD

Do not leave:

Type: Automatic

as the only transmission description when more precise data is available.

NOT A CVT

The MCTA is a conventional automatic transmission.

It is not:

• CVT
• Manual
• Dual-clutch transmission

Therefore, do not use Honda CVT fluid.

FRONT-WHEEL DRIVE / FWD

The target Accord and TSX applications are:

Front-Wheel Drive / FWD

Use:

FWD

instead of primarily using:

2WD

because FWD is more technically descriptive and is a stronger automotive search term.

MCTA VS. MFKA

J-Spec also carries:

MFKA

transmissions for the same broad Accord/TSX replacement market.

Do not assume:

MCTA = MFKA

Different Honda transmission codes can involve differences in:

• Internal gearing
• Final-drive ratio
• Valve body
• Solenoids
• Pressure switches
• Sensors
• Electrical connectors
• Torque converter
• Case revision
• Production application
• Electronic calibration

Therefore, if the customer’s original transmission says:

MFKA

verify interchange before installing an:

MCTA

Likewise, do not automatically substitute MFKA for MCTA.

MCTA VS. MGTA

The same rule applies to:

MGTA

Do not treat:

MCTA = MGTA

simply because both may bolt to a K-series engine.

Compare:

• Original code
• Replacement code
• VIN
• Engine
• Bellhousing
• Torque converter
• Valve body
• Sensors
• Solenoids
• Pressure switches
• Electrical connectors
• Axle openings
• Mounts
• Cooler fittings

before installation.

K24 ENGINE FAMILY

For U.S.-market replacement SEO, the strongest engine family associated with this application is:

Honda K24-Series 2.4L

For the Acura TSX, specifically use:

K24A2 2.4L

For the Accord, use:

K24-Series 2.4L

rather than automatically labeling every Accord engine:

K24A2

because the U.S. Accord used different K24 variants.

K20A 2.0L JDM APPLICATION

Honda sold Japanese-market Accord models with:

2.0L DOHC i-VTEC

and:

5-speed automatic

FWD configurations.

Therefore, a 2.0L JDM Accord application is plausible.

However:

2.0L JDM Accord existence does not prove that Item 46251’s MCTA code is specifically the K20A transmission used in that application.

Until the exact Item 46251 transmission is physically cross-referenced, do not build the entire page around:

MCTA K20A 2.0L

JDM-TO-USDM FITMENT

Because Item 46251 is a Japanese-market transmission, differences may exist compared with the customer’s original U.S.-market Accord or TSX transmission.

Before installation, place both transmissions side by side.

Compare:

• Complete transmission code
• Transmission case
• Bellhousing
• Torque converter
• Valve body
• Shift solenoids
• Pressure-control solenoids
• Pressure switches
• Speed sensors
• Range switch
• Electrical connectors
• Wiring
• Axle openings
• Cooler fittings
• Transmission mounts
• Mounting brackets
• Shift linkage

Transfer compatible original USDM external components only when necessary and technically verified.

KEEP THE ORIGINAL TRANSMISSION

Do not discard the customer’s original transmission until Item 46251 has been:

• Physically compared
• Installed
• Filled
• Checked for leaks
• Road-tested
• Scanned for trouble codes
• Verified for correct shifting

The original transmission may provide compatible:

• Sensors
• Solenoids
• Pressure switches
• Brackets
• Mounts
• Wiring
• Cooler fittings
• External hardware

TORQUE CONVERTER

Verify whether the torque converter is physically included with Item 46251.

Recommended product field:

Torque Converter: Verify Included / Not Included

Do not promise inclusion simply because another MCTA listing includes one.

If supplied, compare:

• Converter hub
• Pilot
• Splines
• Bolt pattern
• Diameter
• Overall configuration

with the original transmission.

TORQUE CONVERTER INSTALLATION

Fully seat the torque converter inside the transmission before mating the transmission to the engine.

Never use bellhousing bolts to pull the engine and transmission together.

Improper converter seating can damage:

• Transmission pump
• Torque converter
• Pump drive
• Transmission case

HONDA ATF DW-1

Use:

Honda Genuine ATF DW-1

for current service of compatible Honda conventional automatic transmission applications unless current Honda service information specifies otherwise for the target VIN.

Honda DW-1 superseded the older:

ATF-Z1

service fluid.

Do not use:

• Honda HCF-2 CVT fluid
• Generic CVT fluid
• Manual transmission fluid
• Differential gear oil
• Unverified universal ATF

DO NOT USE CVT FLUID

The MCTA is not a CVT.

Therefore:

Do not use Honda HCF-2

in this transmission.

FLUSH THE TRANSMISSION COOLER AND LINES

Before operating Item 46251, thoroughly flush the transmission cooler and cooler lines.

A failed transmission can leave:

• Metal particles
• Friction material
• Clutch debris
• Contaminated ATF
• Sludge

inside the cooling circuit.

Connecting a replacement transmission to contaminated lines can introduce debris immediately.

Before startup:

• Flush the cooler.
• Flush cooler lines.
• Confirm unrestricted flow.
• Remove contaminated fluid.
• Replace a cooler that cannot be properly cleaned.

USE FRESH TRANSMISSION FLUID

Do not reuse fluid removed from the failed transmission.

Always begin with fresh, correct Honda automatic transmission fluid.

INSPECT ACCESSIBLE SEALS

While the transmission is outside the vehicle, inspect:

• Torque-converter/front seal
• Axle seals
• Cooler-line seals
• Shift-shaft seal
• Case sealing surfaces

Replace questionable seals before installation.

ELECTRICAL COMPONENT VERIFICATION

Honda automatic transmission operation depends heavily on correct:

• Shift solenoids
• Pressure-control solenoids
• Pressure switches
• Speed sensors
• Range switch
• Electrical connectors

A JDM transmission may require compatible original components depending on the application.

Do not force electrical connectors.

INSTALLATION CHECKLIST

Before installation:

• Verify MCTA code.
• Verify serial MCTA-1070755.
• Verify target vehicle.
• Verify model year.
• Verify engine.
• Confirm FWD.
• Confirm 5-speed automatic.
• Compare original transmission code.
• Compare bellhousing.
• Compare torque converter.
• Compare case.
• Compare valve body.
• Compare shift solenoids.
• Compare pressure-control solenoids.
• Compare pressure switches.
• Compare speed sensors.
• Compare range switch.
• Compare electrical connectors.
• Compare wiring.
• Compare axle openings.
• Compare mounts.
• Compare brackets.
• Compare cooler fittings.
• Inspect accessible seals.
• Flush transmission cooler.
• Flush cooler lines.
• Fill with correct Honda ATF.
• Scan the vehicle after installation.

INITIAL STARTUP

After installation:

• Fill with the correct Honda ATF.
• Start the engine.
• Allow ATF to circulate.
• Slowly move the selector through each range.
• Confirm Park.
• Confirm Reverse.
• Confirm Drive.
• Check for abnormal noise.
• Inspect cooler fittings.
• Inspect axle seals.
• Look for leaks.
• Verify ATF level.
• Scan for transmission DTCs.

Avoid aggressive driving during initial testing.

MULTIPLE HEAT CYCLES

Perform several controlled operating cycles.

During each cycle:

• Bring the transmission to normal operating temperature.
• Recheck ATF level correctly.
• Inspect cooler connections.
• Inspect seals.
• Confirm Reverse engagement.
• Confirm Drive engagement.
• Look for leaks.

Recheck fluid after the torque converter and cooling circuit have fully circulated ATF.

INITIAL ROAD TEST

Begin with light throttle.

Monitor:

• Reverse engagement
• Drive engagement
• 1–2 shift
• 2–3 shift
• 3–4 shift
• 4–5 shift
• Downshifts
• Torque-converter lockup
• Shift flare
• Slipping
• Harsh shifting
• Shudder
• Warning lights
• Abnormal noise
• Fluid leaks

Afterward:

• Recheck ATF.
• Inspect for leaks.
• Scan for stored and pending DTCs.

PCM / TRANSMISSION RELEARN

Depending on the vehicle, transferred components and repair procedure, Honda PCM or transmission learning procedures may be appropriate.

After installation:

• Clear relevant DTCs.
• Verify PCM communication.
• Perform applicable reset/relearn procedures.
• Complete a controlled road test.
• Rescan the vehicle.

Use Honda-capable diagnostic equipment when required.

COMMON HONDA AUTOMATIC TRANSMISSION FAILURE SYMPTOMS

Possible symptoms include:

• Delayed Reverse
• Delayed Drive
• Harsh shifts
• Slipping
• Shift flare
• Shudder
• Failure to upshift
• Abnormal noise
• Burnt ATF
• Transmission DTCs
• No vehicle movement

However, similar symptoms can be caused by:

• Shift-solenoid faults
• Pressure-control solenoid problems
• Pressure-switch failures
• Sensor faults
• Wiring issues
• Incorrect ATF
• Low ATF
• Torque-converter problems
• Cooler restrictions
• Engine-related issues

Diagnose the complete vehicle whenever possible before replacing the transmission.

WHY THE COMPLETE MCTA CODE MATTERS

The search phrase:

Honda Accord transmission

is too broad.

The stronger product identity is:

Honda / Acura → K-Series → MCTA → 5-Speed Automatic → FWD → MCTA-1070755

This gives:

• Customers clearer identification
• Repair shops better fitment information
• Google stronger entity recognition
• Bing better long-tail relevance
• AI / LLM systems clearer product relationships
• Better structured-data quality
• Better inventory differentiation

WHY BUY ITEM 46251?

Item 46251 provides a code-specific used OEM JDM Honda transmission option for properly verified applications.

Key features include:

• Genuine used OEM JDM Honda transmission
• MCTA code
• Serial MCTA-1070755
• 5-speed automatic
• FWD
• K-series application
• Individual inventory tracking
• Actual product photographs
• 90-day limited warranty
• Nationwide freight shipping

WHY BUY FROM J-SPEC AUTO SPORTS?

J-Spec Auto Sports has specialized in Japanese engines, transmissions and drivetrain components for more than 20 years.

Customers benefit from:

• Actual inventory photographs
• Individual serial-number tracking
• Transmission-code identification
• Honda drivetrain experience
• Fitment assistance
• Nationwide freight shipping
• Local pickup
• Installation availability
• Limited warranty coverage

Most importantly, proper transmission-code and physical-fitment verification helps reduce costly installation mistakes.

INDIVIDUAL INVENTORY INFORMATION

Make: Honda / Acura

Transmission Code: MCTA

Serial Number: MCTA-1070755

Transmission Type: 5-Speed Automatic

Gears: 5

Drivetrain: FWD

Primary U.S. Replacement Market: K24-Series 2.4L applications

Honda Accord Target: 2003–2007 2.4L automatic after verification

Acura TSX Target: 2004–2008 K24A2 2.4L automatic after verification

JDM K20A 2.0L Application: Physically verify before publishing as Item 46251’s exact donor application

Fluid: Honda Genuine ATF DW-1 for current service, subject to VIN/service verification

Torque Converter: Verify Included / Not Included

Item ID: 46251

SKU: MT267

Condition: Used OEM JDM / Low Mileage

Warranty: 90 Days

90-DAY LIMITED WARRANTY

Item 46251 currently carries a:

90-Day Limited Warranty

subject to J-Spec Auto Sports’ current warranty terms and installation requirements.

Keep documentation showing:

• Correct Honda ATF
• Cooler flushing
• Cooler-line flushing
• Accessible seal inspection
• Proper torque-converter installation
• Required component transfers
• Professional installation
• Diagnostic procedures

FREQUENTLY ASKED QUESTIONS

What transmission code is Item 46251?

MCTA

What is the serial number?

MCTA-1070755

Is MCTA a 5-speed automatic?

Yes.

It is a conventional:

5-speed automatic transmission

Is it a CVT?

No.

Is it FWD?

The target Accord and TSX applications are:

Front-Wheel Drive / FWD

What Honda Accord years does this transmission target?

Potential compatible:

2003–2007 Honda Accord

applications after complete transmission-code and physical verification.

What engine should I target for U.S. Accord SEO?

Use:

K24-Series 2.4L

for the primary U.S.-market replacement application.

Does it fit an Acura TSX?

MCTA units are used in the 2004–2008 Acura TSX replacement market.

Verify the original transmission code and complete physical configuration before installation.

What engine is in the 2004–2008 U.S. Acura TSX?

The U.S.-market TSX uses a:

K24A2 2.4L

engine.

Is there a 2.0L U.S. Acura TSX?

Do not market the 2004–2008 U.S.-market TSX as a 2.0L application.

Why does the current Item 46251 listing say K20A 2.0L?

The transmission may have originated from a Japanese-market 2.0L Accord application, but the exact MCTA-to-K20A relationship should be physically verified for Item 46251 before publishing it as an absolute fitment fact.

Is MCTA the same as MFKA?

Do not assume direct interchangeability.

They are separate Honda transmission codes.

Is MCTA the same as MGTA?

Do not assume direct interchangeability.

Verify both physical and electronic configuration.

Can I replace an MFKA with an MCTA?

Possibly in some applications, but do not promise direct interchange without verifying the complete transmission configuration.

What ATF does it use?

For current Honda conventional automatic transmission service, use:

Honda Genuine ATF DW-1

after verifying the target VIN and service information.

Can I use HCF-2?

No.

HCF-2 is Honda CVT fluid.

Should the transmission cooler be flushed?

Yes.

Flush the cooler and cooler lines thoroughly before startup.

Do I need to keep my original transmission?

Yes.

Keep the original transmission until Item 46251 has been successfully installed and road-tested.

Does the torque converter come with it?

Verify the actual Item 46251 photos and physical inventory before advertising inclusion.

Does it require a relearn?

Depending on the target vehicle and components used, applicable Honda PCM/transmission reset or learning procedures may be required.

Is this transmission rebuilt?

No.

Unless specifically stated otherwise, this is a:

Used OEM JDM Honda automatic transmission imported from Japan

What warranty does it have?

Item 46251 currently carries a:

90-day limited warranty

ORDER ITEM 46251 – HONDA MCTA AUTOMATIC TRANSMISSION

Replace your worn or failed Honda automatic transmission with this low-mileage JDM:

MCTA 5-Speed Automatic FWD Transmission

Transmission Code: MCTA
Serial: MCTA-1070755
Transmission: 5-Speed Automatic
Drivetrain: FWD
Primary U.S. Application: Honda Accord / Acura TSX K24 2.4L – verify exact interchange
Item ID: 46251
SKU: MT267
Warranty: 90 Days

Before ordering, verify the VIN, original transmission code, engine, bellhousing, torque converter, electrical connectors, sensors, solenoids, pressure switches, mounts, axle openings, cooler fittings and complete physical configuration.

Nationwide freight shipping is available through J-Spec Auto Sports.