JDM 2006–2011 Honda Civic SPCA R18A 1.8L 5-Speed Automatic FWD Transmission

Replace your slipping, delayed-engagement, harsh-shifting, noisy, damaged, or failed transmission with this low-mileage JDM Honda Civic SPCA automatic transmission from J-Spec Auto Sports.

This genuine Honda JDM transmission targets compatible 2006–2011 Honda Civic models equipped with the R18A 1.8L 4-cylinder engine and front-wheel-drive automatic drivetrain.

This individual transmission carries SPCA serial number SPCA-2064493, Item ID 45900, and SKU MT283. The current J-Spec listing identifies the application as 2006–2011 Honda Civic 1.8L and carries a 90-day warranty.

The primary drivetrain relationship is:

Honda Civic → 2006–2011 → R18A 1.8L → SPCA → 5-Speed Automatic → FWD

Quick Details

• Make: Honda
• Model: Civic
• Years: 2006–2011
• Engine Family: R18
• Engine Code/Application: R18A
• Engine Size: 1.8L
• Cylinders: 4
• Transmission Code: SPCA
• Serial Number: SPCA-2064493
• Transmission Type: 5-Speed Automatic
• Drivetrain: Front-Wheel Drive / FWD
• Condition: Used JDM / Low Mileage
• Origin: Japan
• Item ID: 45900
• SKU: MT283
• Actual Product Photos: Yes
• Warranty: 90 Days
• Shipping: Nationwide Freight Shipping
• Installation: Affordable Installation Available
• Local Pickup: Richmond / Henrico, Virginia

SPCA 5-SPEED AUTOMATIC TRANSMISSION

The most important identifier for this individual transmission is:

SPCA

The full serial number shown on the J-Spec listing is:

SPCA-2064493

For this product, the primary relationship is:

R18A 1.8L + SPCA + 5-Speed Automatic + FWD

Customers should verify the original transmission code before purchase because Honda used different transmission configurations depending on model, engine, production market, and year.

Do not order a replacement transmission based only on:

• Honda Civic
• 1.8L engine size
• Model year
• Automatic transmission

Always compare the transmission code and physical configuration.

R18A 1.8L ENGINE APPLICATION

This SPCA transmission targets compatible Honda Civic applications equipped with the R18A-series 1.8L 4-cylinder engine.

The important engine and transmission combination for this listing is:

R18A 1.8L + SPCA Automatic Transmission

The R18 engine family was used in numerous Honda applications and markets. Therefore, sharing the same engine family does not automatically guarantee transmission interchangeability.

Always verify:

• Engine code
• Transmission code
• VIN
• Production year
• Bellhousing configuration
• Electrical configuration

VEHICLE COMPATIBILITY

2006 Honda Civic 1.8L Automatic

• R18A-series 1.8L
• SPCA replacement application
• 5-speed automatic
• FWD
• Verify original transmission code

2007 Honda Civic 1.8L Automatic

• R18A-series 1.8L
• Automatic
• FWD
• Verify SPCA configuration

2008 Honda Civic 1.8L Automatic

• R18A 1.8L
• SPCA automatic transmission
• FWD
• Verify VIN and original transmission

2009 Honda Civic 1.8L Automatic

• R18A-series 1.8L
• 5-speed automatic
• FWD
• Verify electrical and physical configuration

2010 Honda Civic 1.8L Automatic

• R18A-series 1.8L
• SPCA replacement application
• FWD
• Verify original transmission code

2011 Honda Civic 1.8L Automatic

• R18A-series 1.8L
• Automatic
• FWD
• Verify complete transmission configuration

The current J-Spec listing identifies the application range as 2006–2011 Honda Civic 1.8L.

TRANSMISSION CODE IDENTIFICATION

This individual transmission is identified as:

Transmission Code: SPCA
Serial Number: SPCA-2064493
Item ID: 45900
SKU: MT283

Before installation, compare the identification on the replacement transmission with the original unit.

Transmission-code verification is especially important for JDM-to-USDM replacement applications.

FRONT-WHEEL-DRIVE APPLICATION

This SPCA transmission targets front-wheel-drive Honda Civic applications.

The front differential is integrated into the transaxle assembly.

Before installation, inspect:

• Left front axle
• Right front axle
• CV joints
• CV boots
• Axle splines
• Axle seals
• Intermediate shaft where applicable
• Transmission mounts

Replace worn or damaged drivetrain components during installation.

JDM-TO-USDM FITMENT

This SPCA transmission comes from a Japanese-market application.

Before installation, place the JDM replacement next to the original transmission and compare:

• Transmission code
• Bellhousing
• Transmission case
• Torque converter
• Electrical connectors
• Shift solenoids
• Pressure-control components
• Speed sensors
• Range switch
• Cooler fittings
• Axle openings
• Transmission mounts
• External brackets
• Wiring

Compatible external components from the original transmission may need to be transferred when required.

Keep the original transmission and all external components until the JDM replacement has been completely installed and road-tested.

WHAT IS INCLUDED?

The sale includes the actual SPCA automatic transmission represented in the product photographs.

Depending on the components pictured, the unit may include:

• SPCA automatic transmission assembly
• Transmission case
• Internal transmission components
• Integrated front differential
• Valve-body components
• Attached sensors
• Attached solenoids
• Electrical connectors
• Torque converter when pictured
• External brackets when pictured

Only components shown in the actual product photographs or specifically stated in the listing should be considered included.

ACTUAL PRODUCT PHOTOS

The current listing specifically instructs customers to review all actual pictures to determine fitment and the complete condition of the transmission.

Use the photographs to compare:

• SPCA identification
• Serial number
• Bellhousing
• Transmission case
• Torque converter
• Electrical connectors
• Sensors
• Solenoids
• Axle openings
• Cooler fittings
• Mounting points
• External brackets
• Overall physical condition

TRANSMISSION FLUID

Use the correct Honda-specification automatic transmission fluid for the vehicle and transmission application.

For current service of this conventional Honda automatic transmission, use the appropriate Honda automatic transmission fluid specified for the vehicle.

Do not use:

• Honda CVT fluid
• HCF-2
• Gear oil
• Unverified universal CVT fluid
• Used ATF from the failed transmission

This SPCA is a conventional automatic transmission, not a CVT.

NEVER REUSE OLD TRANSMISSION FLUID

Always start the replacement transmission with fresh correct-specification Honda ATF.

Used transmission fluid may contain:

• Metal particles
• Clutch material
• Friction debris
• Oxidized fluid
• Dirt
• Other contaminants

Contaminated fluid can damage the replacement transmission.

FLUSH THE TRANSMISSION COOLER AND LINES

Thoroughly service the transmission cooler and cooler lines before installation.

A failed transmission can circulate contamination through the cooling circuit.

Before startup:

• Flush the transmission cooler lines.
• Remove contaminated fluid.
• Inspect the cooler.
• Check for restrictions.
• Verify proper flow.
• Replace components that cannot be properly cleaned.
• Confirm cooler-line connections are secure.

Never connect a clean replacement transmission to a contaminated cooler system.

INSPECT THE TORQUE CONVERTER

Compare the replacement torque converter with the original unit.

Inspect:

• Converter hub
• Splines
• Mounting points
• Seal surface
• Overall configuration

Make sure the torque converter seats completely inside the transmission before installation.

Never use the bellhousing bolts to pull the transmission against the engine.

Improper torque-converter seating can damage the transmission pump.

REPLACE ACCESSIBLE SEALS

While the transmission is outside the vehicle, inspect and replace worn or questionable:

• Torque-converter/front seal
• Left axle seal
• Right axle seal
• Cooler-line seals
• Shift-shaft seals
• Other accessible seals and O-rings

Preventive seal replacement can help avoid unnecessary labor after installation.

INSPECT SOLENOIDS AND ELECTRICAL COMPONENTS

Inspect and compare:

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

Look for:

• Bent pins
• Corrosion
• Broken wiring
• Damaged connectors
• Contamination
• JDM-to-USDM configuration differences

Transfer compatible original components when required.

INSPECT ENGINE AND TRANSMISSION MOUNTS

Inspect all drivetrain mounts for:

• Cracked rubber
• Separation
• Excessive movement
• Damaged brackets
• Loose hardware

Worn mounts can create vibration, clunking, and harsh engagement that may be mistaken for transmission problems.

INSPECT FRONT AXLES

Check:

• CV joints
• CV boots
• Axle splines
• Bearings
• Intermediate shaft where applicable
• Excessive play
• Grease leakage

Axle problems can produce vibration, clicking, or clunking that may appear to originate from the transmission.

SCAN THE VEHICLE BEFORE REMOVAL

Before removing the failed transmission, record all stored diagnostic trouble codes.

Pay particular attention to:

• Gear-ratio codes
• Shift-solenoid codes
• Pressure-control codes
• Pressure-switch codes
• Speed-sensor codes
• Torque-converter codes
• Engine codes
• Communication faults

Diagnosing the cause of the original transmission problem can help protect the replacement unit.

PCM RESET AND TRANSMISSION RELEARN

After installation, complete all applicable Honda procedures.

These may include:

• Clearing transmission codes
• PCM reset
• Idle relearn
• Transmission adaptive procedures
• Road-test adaptation
• Shift-quality verification

Use Honda-compatible professional diagnostic equipment when required.

INITIAL STARTUP CHECKLIST

Before road testing:

• Confirm 2006–2011 Honda Civic application.
• Confirm R18A 1.8L engine.
• Confirm SPCA transmission code.
• Confirm serial number SPCA-2064493.
• Confirm automatic configuration.
• Confirm FWD drivetrain.
• Compare original and replacement transmissions.
• Compare bellhousing.
• Compare torque converter.
• Compare electrical connectors.
• Compare sensors and solenoids.
• Flush transmission cooler and lines.
• Inspect accessible seals.
• Properly seat the torque converter.
• Fill with fresh correct-specification Honda ATF.
• Verify proper fluid level.
• Connect all electrical connectors.
• Verify front axle installation.
• Check cooler connections.
• Verify transmission mounts.
• Confirm Park engagement.
• Confirm Reverse engagement.
• Confirm Drive engagement.
• Check warning lights.
• Scan for diagnostic trouble codes.
• Inspect for transmission-fluid leaks.

INITIAL ROAD TEST

Begin with a gentle road test.

Monitor:

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

Avoid aggressive acceleration until normal transmission operation has been confirmed.

After the road test:

• Recheck ATF level.
• Inspect for leaks.
• Scan for diagnostic trouble codes.
• Check cooler connections.
• Inspect axle areas.
• Check transmission mounts.

COMMON SIGNS OF HONDA CIVIC AUTOMATIC TRANSMISSION PROBLEMS

A failing Honda Civic automatic transmission may produce:

• Delayed Drive engagement
• Delayed Reverse engagement
• Harsh shifting
• Slipping
• Shift flare
• Shudder
• Failure to upshift
• Poor downshifts
• Torque-converter problems
• Abnormal transmission noise
• Burnt ATF
• Warning lights
• Diagnostic trouble codes
• Fluid leaks

Similar symptoms can also result from:

• Solenoid problems
• Pressure-switch faults
• Sensor failures
• Wiring problems
• Incorrect ATF
• Low transmission fluid
• Contaminated fluid
• Torque-converter problems
• Worn mounts
• Axle problems

Proper diagnosis should be completed before replacing the complete transmission.

WHY CHOOSE THIS JDM SPCA TRANSMISSION?

This JDM SPCA provides an OEM Honda replacement option for compatible Civic models with a worn, slipping, damaged, or failed original transmission.

Key features include:

• Genuine Honda JDM transmission
• SPCA transmission code
• Individual serial number SPCA-2064493
• R18A 1.8L application
• 5-speed automatic configuration
• FWD drivetrain
• Low-mileage Japanese import
• Actual inventory photographs
• Individual Item ID
• 90-day limited warranty
• Nationwide freight shipping
• Affordable installation available

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 transmission identification
• Serial-number tracking
• Application-specific fitment guidance
• JDM Honda drivetrain experience
• Nationwide freight shipping
• Local Richmond / Henrico, Virginia pickup
• Affordable installation options
• Limited warranty coverage

INDIVIDUAL INVENTORY INFORMATION

Vehicle: Honda Civic
Years: 2006–2011
Engine: R18A 1.8L 4-Cylinder
Transmission Code: SPCA
Serial Number: SPCA-2064493
Transmission: 5-Speed Automatic
Drivetrain: FWD
Condition: Used JDM / Low Mileage
Origin: Japan
Item ID: 45900
SKU: MT283
Warranty: 90 Days

The live page confirms the serial number, years, automatic transmission type, application, SKU, and warranty.

90-DAY LIMITED WARRANTY

This individual transmission currently carries a:

90-Day Limited Warranty

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

Keep documentation for:

• Correct Honda ATF
• Cooler and cooler-line service
• Seal replacement
• Torque-converter installation
• Diagnostic procedures
• Professional installation

SHIPPING

J-Spec Auto Sports ships engines and transmissions by freight. The current shipping information states that orders normally ship within 1–2 business days, with estimated continental U.S. delivery of approximately 2–7 business days, depending on location.

FREQUENTLY ASKED QUESTIONS

What is the transmission code?

The transmission code is SPCA.

What is the serial number?

SPCA-2064493

What is the Item ID?

45900

What is the SKU?

MT283

What years does this transmission fit?

The current listing targets compatible 2006–2011 Honda Civic 1.8L applications.

What engine does this transmission pair with?

This listing targets the R18A-series 1.8L 4-cylinder engine application.

Is this a 5-speed automatic?

Yes. This application uses a conventional 5-speed automatic transmission.

Is this a CVT?

No. This SPCA is a conventional automatic transmission, not a CVT.

Is this transmission FWD?

Yes. It targets front-wheel-drive Civic applications.

Will it fit a 2006 Honda Civic 1.8L?

It targets compatible 2006 Civic 1.8L automatic applications after transmission-code and configuration verification.

Will it fit a 2007 Honda Civic 1.8L?

It targets compatible 2007 Civic 1.8L automatic applications.

Will it fit a 2008 Honda Civic 1.8L?

It targets compatible 2008 Civic 1.8L automatic applications after fitment verification.

Will it fit a 2009 Honda Civic 1.8L?

It targets compatible 2009 Civic 1.8L FWD automatic applications.

Will it fit a 2010 Honda Civic 1.8L?

It targets compatible 2010 Civic 1.8L automatic applications.

Will it fit a 2011 Honda Civic 1.8L?

It targets compatible 2011 Civic 1.8L automatic applications after verifying the original transmission configuration.

Will it fit a Honda Civic Si?

No direct fitment should be assumed. Civic Si models use a different engine and transmission configuration.

Will it fit a Civic Hybrid?

No direct fitment should be assumed. Hybrid Civic models use a different drivetrain and transmission system.

Can I replace a different transmission code with SPCA?

Do not assume interchangeability based solely on year and engine size. Compare the original transmission code, electrical components, torque converter, bellhousing, axle interfaces, mounts, and complete physical configuration.

What transmission fluid should I use?

Use the correct Honda-specification ATF for the vehicle and transmission application.

Can Honda CVT fluid be used?

No. This is not a CVT.

Can old transmission fluid be reused?

No. Always use fresh correct-specification ATF.

Should the transmission cooler lines be flushed?

Yes. Properly service the cooler and cooler lines before installing the replacement transmission.

Should I replace the axle seals?

Inspect both axle seals and replace worn or questionable seals before installation.

Does the torque converter need to be fully seated?

Yes. Proper torque-converter seating is critical before mating the transmission to the engine.

Can original sensors, solenoids, and brackets be transferred?

Yes. Compatible original components may need to be transferred if the JDM and USDM configurations differ.

Is this transmission rebuilt?

No. It is a used OEM JDM transmission, unless specifically stated otherwise.

Are the pictures of the actual transmission?

Yes. J-Spec specifically instructs customers to review the actual pictures for fitment and condition.

Does it have a warranty?

Yes. The current listing shows a 90-day warranty.

ORDER YOUR JDM HONDA CIVIC SPCA TRANSMISSION

Replace your worn or failed transmission with this low-mileage JDM Honda Civic SPCA R18A 1.8L 5-speed automatic FWD transmission.

This genuine Honda JDM replacement targets compatible 2006–2011 Honda Civic models equipped with the R18A 1.8L 4-cylinder engine and automatic FWD drivetrain.

Vehicle: Honda Civic
Years: 2006–2011
Engine: R18A 1.8L
Transmission Code: SPCA
Serial Number: SPCA-2064493
Transmission: 5-Speed Automatic
Drivetrain: FWD
Item ID: 45900
SKU: MT283
Warranty: 90 Days

Verify the VIN, original transmission code, R18A engine application, electrical connectors, sensors, solenoids, torque converter, axle interfaces, mounts, cooler fittings, and complete physical configuration before ordering.