JDM NISSAN 350Z / INFINITI G35 RE5R05A 5-SPEED AUTOMATIC RWD TRANSMISSION

Replace your worn or failed automatic transmission with this JDM Nissan RE5R05A-family 5-speed automatic RWD transmission from J-Spec Auto Sports.

This unit targets compatible:

2003–2006 Nissan 350Z

and:

2003–2006 Infiniti G35

vehicles equipped with the:

VQ35DE 3.5L V6

and rear-wheel drive.

The strongest product relationship is:

Nissan / Infiniti → 350Z / G35 → VQ35DE 3.5L V6 → RE5R05A → 5-Speed Automatic → RWD

This is far more precise than labeling the product only:

VQ35DE Automatic Transmission

QUICK DETAILS

• Make: Nissan / Infiniti
• Primary Model: Nissan 350Z
• Secondary Model: Infiniti G35
• Engine: VQ35DE 3.5L DOHC V6
• Transmission Family: RE5R05A
• Related Jatco Designation: JR507E
• Transmission Type: 5-Speed Automatic
• Drivetrain: RWD
• Target Years: 2003–2006
• Condition: Used OEM JDM / Low Mileage
• Item ID: 254048
• SKU: MT957
• Warranty: 90 Days
• Shipping: Nationwide Freight
• Installation: Available

RE5R05A TRANSMISSION FAMILY

The correct Nissan automatic transmission family for the 2003–2006 VQ35DE 350Z is:

RE5R05A

Factory service information identifies the 350Z automatic transmission as:

RE5R05A (5A/T)

Therefore, RE5R05A should be a major SEO and technical term on the page.

However, do not enter:

Product Code: RE5R05A

as though it has been physically verified on Item 254048 unless the actual transmission tag/case identification confirms it.

Recommended structure:

Transmission Family / Application: RE5R05A

Exact Physical Transmission Code: Verify on Item 254048

Current Item ID: 254048

JR507E RELATED DESIGNATION

RE5R05A is commonly associated with the Jatco:

JR507E

transmission family.

Use JR507E as a secondary search and technical term.

Recommended:

RE5R05A / JR507E Family

Do not replace the Nissan designation RE5R05A with JR507E in the main H1.

VQ35DE APPLICATION

The primary engine application is:

VQ35DE 3.5L V6

For 2003–2006 350Z automatic applications, the clean relationship is:

VQ35DE 3.5L + RE5R05A 5AT + RWD

Use VQ35DE prominently in:

• Product title
• Short description
• Specifications
• FAQ
• Schema
• Image metadata

5-SPEED AUTOMATIC

Change the live:

Type: Automatic

to:

Type: 5-Speed Automatic

Add:

Gears: 5

This is not:

• CVT
• 7-speed automatic
• Manual transmission

RWD ONLY

This page should clearly target:

Rear-Wheel Drive / RWD

Do not market Item 254048 as a G35x AWD transmission.

Recommended field:

Drivetrain: RWD

Add an explicit exclusion:

Not for G35x AWD applications unless a specific complete interchange is independently verified.

NISSAN 350Z APPLICATION

Primary target:

2003–2006 Nissan 350Z 3.5L VQ35DE Automatic RWD

Use model-year-specific long-tail terms naturally:

• 2003 Nissan 350Z automatic transmission
• 2004 Nissan 350Z transmission
• 2005 Nissan 350Z RE5R05A
• 2006 Nissan 350Z automatic transmission

INFINITI G35 APPLICATION

Secondary target:

2003–2006 Infiniti G35 3.5L VQ35DE Automatic RWD

Potential applications can include G35 Coupe and Sedan, but complete configuration must be verified.

Use:

Infiniti

not:

Infinity

REMOVE “M35” FROM THE CURRENT APPLICATION FIELD

The current live detail field says:

2003 to 2006 Infinity G35 M35 3.5L

This should be corrected.

Recommended:

2003–2006 Infiniti G35 3.5L VQ35DE RWD Automatic

Do not mix:

G35

and:

M35

into one application field.

If M35 fitment is later proven for a specific RE5R05A configuration, it should be documented separately.

2007–2008 350Z IS DIFFERENT TARGETING

Do not expand this page to:

2007–2008 Nissan 350Z

without specific verification.

The 2007–2008 350Z uses the:

VQ35HR

engine rather than the earlier VQ35DE application targeted here.

Later RE5R05A variants can have different model codes and electronic configurations.

Keep this product focused on:

2003–2006 VQ35DE

CONNECTOR CONFIGURATION IS CRITICAL

Older J-Spec 350Z/G35 automatic listings show that connector configuration matters.

For example, some J-Spec units are described as a:

single black connector with 10 wires

while other JDM suppliers sell:

3-plug RE5R05A

versions.

Therefore, do not advertise all 2003–2006 RE5R05A units as universally interchangeable.

Before purchase compare:

• Main connector count
• Connector shape
• Pin count
• Wiring harness
• Sensors
• Solenoids
• Valve body
• Range switch

ONE-PLUG VS. THREE-PLUG CONFIGURATION

This is an excellent fitment section for the product page.

Possible JDM RE5R05A inventory can differ by connector setup.

Recommended wording:

Some 2003–2006 Nissan/Infiniti RE5R05A transmissions use different external connector and internal electrical configurations. Compare Item 254048 directly with your original transmission before ordering.

Do not label Item 254048 as:

1-plug

or:

3-plug

unless the actual product photos confirm it.

VALVE BODY AND SOLENOID VERIFICATION

Compare:

• Valve body
• Shift solenoids
• Pressure-control solenoids
• Internal harness
• Main connector
• Speed sensors
• Temperature sensor
• Range/inhibitor switch

Differences in these components can prevent correct operation even when the bellhousing and transmission family look identical.

JDM-TO-USDM COMPONENT TRANSFER

Depending on the exact JDM unit and U.S.-market vehicle, the installer may need to transfer compatible original:

• Sensors
• Solenoids
• Wiring harness
• Range switch
• External brackets
• Mounts
• Cooler fittings

Do not promise:

Plug-and-play

or:

Direct bolt-on

without verifying Item 254048 against the target vehicle.

TRANSMISSION GEAR RATIOS

For the early RE5R05A 350Z family, factory data identifies the transmission as a 5-speed automatic.

If exact Item 254048 internal configuration is confirmed to match the applicable VQ35DE 350Z RE5R05A specification, gear-ratio data may be added as technical reference.

Do not use gear ratios from later VQ35HR RE5R05A variants without confirming the exact model code.

AUTOMATIC TRANSMISSION FLUID

For 2003–2006 350Z factory service information, Nissan specifies:

Genuine Nissan Matic J ATF

The approximate total system capacity is:

10.3 liters / 10-7/8 US quarts

for applicable 350Z RE5R05A service information.

Recommended public wording:

Use the Nissan-specified automatic transmission fluid for the target VIN and exact RE5R05A application. Original 2003–2006 350Z service information specifies Genuine Nissan Matic J ATF. Verify current Nissan supersession before filling.

Do not use:

• CVT fluid
• Manual transmission fluid
• Generic universal fluid without verification

MATIC J VS. MATIC S

The original 2003–2006 350Z service manual specifies:

Matic J

Later Nissan service applications transitioned many RE5R05A vehicles to:

Matic S

Therefore, the safest modern installation language is:

Verify the current Nissan-approved replacement/superseding ATF for the target VIN before service.

Do not casually mix different ATF specifications.

THIS IS NOT A CVT

The RE5R05A is a conventional:

5-speed automatic transmission

It does not use Nissan NS-2 or NS-3 CVT fluid.

Do not place this product in Nissan CVT categories.

FLUSH THE TRANSMISSION COOLER AND LINES

Before installing Item 254048:

• Flush transmission cooler.
• Flush cooler lines.
• Remove contaminated ATF.
• Remove clutch/friction material.
• Remove metal debris.
• Confirm unrestricted flow.

A failed transmission can leave debris inside the vehicle cooling circuit.

Do not connect the replacement transmission to a contaminated cooler system.

TORQUE CONVERTER – VERIFY INCLUDED

Do not automatically promise the torque converter.

Recommended product field:

Torque Converter: Verify Included / Not Included

If included, compare:

• Hub
• Pilot
• Splines
• Bolt pattern
• Diameter
• Converter configuration

Do not automatically reuse a converter from a failed transmission if it may contain contamination or internal damage.

TORQUE CONVERTER SEATING

Before mating the engine and transmission:

• Fully seat the converter into the transmission pump.
• Confirm proper engagement depth.
• Do not use bellhousing bolts to pull the transmission onto the engine.

Improper converter installation can damage:

• Front pump
• Pump drive
• Converter
• Transmission case

INSPECT ACCESSIBLE SEALS

Before installation inspect:

• Front pump / converter seal
• Output shaft seal
• Selector shaft seal
• Cooler-line seals
• Case sealing surfaces

Replace questionable seals while the transmission is outside the vehicle.

KEEP THE ORIGINAL TRANSMISSION

Keep the customer’s original transmission until Item 254048 has been:

• Physically compared
• Installed
• Filled correctly
• Road-tested
• Scanned for DTCs
• Verified for correct shift operation

The original unit may supply compatible:

• Sensors
• Solenoids
• Harness
• Brackets
• Mounts
• Cooler fittings
• External hardware

TCM / CONTROL SYSTEM VERIFICATION

Depending on production date and electronic configuration, transmission control compatibility may need to be verified.

After installation:

• Scan all modules.
• Clear relevant transmission DTCs.
• Verify TCM/ECM communication.
• Confirm range-switch operation.
• Perform applicable initialization or learning procedure.
• Complete controlled road test.
• Rescan after driving.

Use Nissan/Infiniti-capable diagnostic equipment when required.

INITIAL INSTALLATION CHECKLIST

Before installation:

• Confirm 350Z or G35 application.
• Confirm VQ35DE 3.5L.
• Confirm RWD.
• Confirm RE5R05A family.
• Verify exact physical code.
• Verify target model year.
• Verify production date.
• Compare bellhousing.
• Compare transmission case.
• Compare connector count.
• Compare connector shape.
• Compare wiring.
• Compare valve body.
• Compare solenoids.
• Compare sensors.
• Compare range switch.
• Compare torque converter.
• Compare transmission mount.
• Compare brackets.
• Compare output shaft.
• Compare cooler fittings.
• Inspect accessible seals.
• Flush cooler.
• Flush cooler lines.
• Fill with correct Nissan-approved ATF.
• Check ATF level correctly.
• Scan vehicle after installation.

INITIAL STARTUP

After installation:

• Fill with correct ATF.
• Start engine.
• Let fluid circulate.
• Slowly cycle selector through each range.
• Confirm Park.
• Confirm Reverse.
• Confirm Neutral.
• Confirm Drive.
• Check for leaks.
• Check cooler fittings.
• Monitor fluid level.
• Scan for transmission DTCs.

Avoid aggressive driving until basic operation is confirmed.

INITIAL ROAD TEST

Start 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 engagement
• Shudder
• Abnormal noise
• Warning lights
• Fluid leaks

After road testing:

• Recheck ATF level.
• Inspect for leaks.
• Rescan for stored and pending DTCs.

COMMON RE5R05A FAILURE SYMPTOMS

Possible symptoms include:

• Delayed Drive
• Delayed Reverse
• Harsh shifts
• Slipping
• Shift flare
• Shudder
• Failure to upshift
• Limp mode
• Transmission warning light
• Torque-converter issues
• No vehicle movement

However, similar symptoms can result from:

• Valve-body faults
• Solenoid faults
• Sensor problems
• Wiring issues
• Incorrect ATF
• Low fluid
• Cooler restrictions
• Torque-converter damage
• TCM-related faults

Diagnose the entire vehicle whenever possible before replacing the transmission.

DO NOT CALL A TRANSMISSION COMPRESSION TESTED

Do not use:

Compression Tested

for this product.

Compression testing applies to engines.

For an automatic transmission, advertise only actual documented inspection/testing such as:

• Fluid inspection
• Case inspection
• Connector inspection
• Rotation inspection
• Pan inspection
• Operational testing if documented

REMOVE UNSUPPORTED PERFORMANCE CLAIMS

The current live description makes several claims that should be softened or removed.

Avoid:

• “restore smooth shifting”
• “dependable performance”
• “factory drivability”
• “smooth and reliable shifting performance”
• “ensure quality and reliability”
• “longer service life”

A used transmission cannot guarantee future performance.

Use factual product attributes instead:

• Exact family
• Engine application
• Drivetrain
• Item ID
• Actual photos
• Warranty
• Inspection status
• Shipping
• Installation

REMOVE JAPAN-MILEAGE GENERALIZATIONS

The current page states that Japanese inspection rules mean donor transmissions often have less wear, cleaner internals, and longer service life.

Remove those broad claims.

If exact mileage is documented for Item 254048, publish the exact mileage.

Otherwise use:

Low-Mileage JDM

as an inventory description without assigning a specific mileage or guaranteed wear level.

CORRECT BRAND SPELLING

Replace every occurrence of:

Infinity G35

with:

Infiniti G35

Correct spelling matters for:

• Search relevance
• Professionalism
• Product feeds
• AI entity matching
• Google product understanding

WHY BUY ITEM 254048?

Item 254048 provides a code-family-specific JDM replacement transmission option for properly verified Nissan and Infiniti applications.

Key characteristics:

• VQ35DE 3.5L V6 application
• RE5R05A family
• 5-speed automatic
• RWD
• 2003–2006 primary target
• Individual Item ID
• Actual product photos
• 90-day limited warranty
• Nationwide shipping
• Installation available

WHY BUY FROM J-SPEC AUTO SPORTS?

J-Spec Auto Sports specializes in imported engines, transmissions and drivetrain components.

Customers benefit from:

• Actual inventory photographs
• Individual Item IDs
• Code-level transmission identification
• Fitment assistance
• Nationwide freight shipping
• Local pickup
• Installation availability
• Limited warranty coverage

For RE5R05A replacements, connector, electronic and production differences make proper verification especially important.

INDIVIDUAL INVENTORY INFORMATION

Make: Nissan / Infiniti

Primary Model: Nissan 350Z

Secondary Model: Infiniti G35

Engine: VQ35DE 3.5L V6

Transmission Family: RE5R05A

Related Jatco Family: JR507E

Exact Physical Transmission Code: Verify Item 254048

Transmission Type: 5-Speed Automatic

Drivetrain: RWD

Years: 2003–2006

Connector Configuration: Verify actual Item 254048

Torque Converter: Verify Included / Not Included

ATF: Nissan Matic J originally specified for applicable 2003–2006 350Z; verify current Nissan superseding specification by VIN

Item ID: 254048

SKU: MT957

Condition: Used OEM JDM / Low Mileage

Warranty: 90 Days

90-DAY LIMITED WARRANTY

Item 254048 currently carries a:

90-Day Limited Warranty

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

Keep documentation showing:

• Correct ATF
• Cooler flushing
• Cooler-line flushing
• Correct torque-converter installation
• Connector/component verification
• Professional installation
• Diagnostic scanning

FREQUENTLY ASKED QUESTIONS

What transmission family is used in the 2003–2006 Nissan 350Z automatic?

The factory transmission family is:

RE5R05A

Is it a 5-speed automatic?

Yes.

What engine does it fit?

The primary application is:

VQ35DE 3.5L V6

Is it RWD?

Yes.

This product should target RWD applications.

Will it fit a G35x AWD?

Do not assume so.

The G35x AWD drivetrain uses a different configuration.

Is RE5R05A also called JR507E?

JR507E is a related Jatco family designation commonly associated with RE5R05A.

Use RE5R05A as the primary Nissan code.

Is Item 254048 physically stamped RE5R05A?

Verify the actual physical identification before entering RE5R05A as the exact unit code.

Why does the current page say Serial Number VQ35DE?

VQ35DE is the engine code, not a unique transmission serial number.

Replace that field with the actual transmission serial/model identifier if available.

Does it fit 2003–2006 Infiniti G35?

It targets compatible 2003–2006 G35 VQ35DE automatic RWD applications, but verify the connector and complete transmission configuration.

Does it fit an Infiniti M35?

Do not advertise M35 fitment from the current mixed “G35 M35” field unless separately verified.

Will it fit a 2007 350Z?

Do not assume so.

The 2007 350Z uses the VQ35HR engine and later RE5R05A configurations should be verified separately.

Is every RE5R05A interchangeable?

No.

Different complete model codes, connectors, sensors, valve bodies and electronic configurations exist.

Is this a one-plug transmission?

Verify the actual photos.

Do not assume connector type from the year alone.

Is this a three-plug transmission?

Verify Item 254048 physically.

What fluid does it use?

Original 2003–2006 350Z factory information specifies:

Genuine Nissan Matic J ATF

Verify Nissan’s current approved superseding fluid for the target VIN before service.

Is this a CVT?

No.

It is a conventional 5-speed automatic transmission.

Should the cooler and lines be flushed?

Yes.

Flush the transmission cooler and lines before operating the replacement transmission.

Is the torque converter included?

Verify the physical Item 254048 inventory and product photos before promising inclusion.

Does it require programming?

Electronic verification and applicable TCM/ECM learning procedures may be required depending on configuration.

Is it compression tested?

No.

Automatic transmissions are not compression tested like engines.

Should I keep my old transmission?

Yes.

Keep it until Item 254048 has been installed and successfully road-tested.

ORDER ITEM 254048 – 350Z / G35 RE5R05A AUTOMATIC TRANSMISSION

Replace your damaged or failed transmission with this low-mileage JDM:

Nissan RE5R05A-Family 5-Speed Automatic RWD Transmission

Primary Vehicle: Nissan 350Z
Secondary Vehicle: Infiniti G35
Engine: VQ35DE 3.5L V6
Transmission Family: RE5R05A
Related Jatco Family: JR507E
Transmission: 5-Speed Automatic
Drivetrain: RWD
Target Years: 2003–2006
Item ID: 254048
SKU: MT957
Warranty: 90 Days

Before ordering, verify your VIN, production date, original transmission code, connector configuration, valve body, sensors, solenoids, torque converter, mounts, output configuration and complete physical transmission layout.

Nationwide freight shipping and affordable installation are available through J-Spec Auto Sports.