2003 2004 2005 2006 Scion xB 1.5L Automatic Transmission JDM 1NZ-FE OEM

Restore the smooth shifting and reliability of your first-generation Scion xB with this premium JDM 2003-2006 Scion xB 1.5L Automatic Transmission. Imported directly from Japan, this genuine OEM unit is sourced from the low-mileage Toyota bB (the Japanese-spec version of the xB), ensuring superior internal component integrity compared to high-mileage domestic units. Whether you are dealing with slipping gears, delayed shifting, or total transmission failure, this direct-fit JDM replacement is the most efficient, cost-effective way to get your xB back on the road with factory-grade performance. Every unit is hand-selected and verified for solenoid responsiveness and fluid cleanliness.

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Vehicle Specifications

• Year Range: 2003, 2004, 2005, 2006

• Make & Model: Scion xB (First Generation)

• Engine Compatibility: 1NZ-FE 1.5L Inline-4 Engine

• Transmission Type: 4-Speed Automatic (Electronically Controlled)

• Drivetrain: Front-Wheel Drive (FWD)

• Origin: Japan (Genuine OEM Japanese Domestic Market Import)

• Condition: Premium Used Take-Off (Clean fluid, functional solenoid pack, and verified low-mileage performance)

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Vehicle Fitments

• Direct US-Spec Replacement: 2003-2006 Scion xB (All 1.5L models).

• Compatibility: Also fits various 1NZ-FE powered platforms, including the Toyota Echo (2000-2005) and Toyota Yaris (2006-2008), though shifter linkage/bracket adjustments may be required depending on the specific chassis.

• Fitment Note: This is a direct bolt-in replacement for the U340E/U341E automatic transmission series commonly found in the first-gen xB.

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Included Parts

• Transmission Assembly: Complete 4-speed automatic gearbox housing

• Torque Converter: Factory-matched torque converter included

• Solenoids: Integrated factory transmission control solenoid assembly

• Sensors: Input and output speed sensors and transmission range switch

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Installation & Technical Notes

• Fluid Service: Upon installation, we strongly recommend filling the transmission with genuine Toyota ATF Type T-IV fluid. Using the correct fluid is crucial for maintaining proper hydraulic pressure and preventing valve body sludge build-up.

• TCU Check: Since this is a computer-controlled transmission, ensure your existing Transmission Control Unit (TCU) is functioning correctly. If you were experiencing "limp mode" or erratic shifting prior to failure, verify that your wiring harness is free of corrosion before mating it to the new unit.

• Mounting Points: Before final torque-down, inspect your transmission mounts. Replacing worn rubber mounts with fresh ones will eliminate vibrations and significantly extend the life of your new transmission's internal seals.

• Safety First: Always use professional-grade jack stands or a lift. Ensure the engine is supported securely via an engine brace or stand before unbolting the transmission bellhousing.