HomeTransmission > Transmission Hard PartsStandard Ignition TCS306 Automatic Transmission Control Solenoid
Part #: TCS306

Standard Ignition TCS306 Automatic Transmission Control Solenoid

29 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Toyota and Lexus, 4Runner, Sequoia, Tundra, Tacoma, LX470, and Land Cruiser
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Overview of Standard Ignition Automatic Transmission Control Solenoid

The Standard Ignition TCS306 is a reliable automatic transmission control solenoid designed for select Lexus and Toyota models. Engineered with durable metal construction and a push-on attachment method, this solenoid ensures precise transmission control for vehicles like the Toyota 4Runner, Tacoma, and Lexus LX470.

  • Compatible with Lexus and Toyota models including 4Runner, Land Cruiser, LX470, Sequoia, Tacoma, and Tundra
  • Part number TCS306 for accurate identification
  • Female rectangular connector with one connector quantity
  • Male blade terminals, two terminal quantity
  • Push-on attachment method for straightforward installation
  • Metal material construction for durability
  • Includes one solenoid, no gaskets or hardware included

Detailed Product Description

The Standard Ignition TCS306 automatic transmission control solenoid is designed to regulate hydraulic pressure within the transmission system, enabling smooth gear shifts and optimal vehicle performance. Featuring a female rectangular connector with a single connection point and male blade terminals, this solenoid integrates seamlessly with the vehicle’s wiring harness. Its metal construction provides strength and longevity under demanding operating conditions. The push-on attachment method simplifies installation, reducing service time. This solenoid is specifically compatible with Lexus and Toyota vehicles such as the 4Runner, Land Cruiser, LX470, Sequoia, Tacoma, and Tundra, ensuring proper fit and function.

Common Applications and Issues Addressed

  • Helps resolve erratic or delayed gear shifting in automatic transmissions
  • Addresses transmission slipping or failure to engage gears properly
  • Reduces harsh or rough shifting symptoms
  • Prevents transmission overheating caused by improper hydraulic control
  • Supports overall transmission system reliability and performance

Installation Notes and Tips

  • Ensure vehicle compatibility with Lexus and Toyota models listed before installation
  • Disconnect the battery prior to installation to avoid electrical hazards
  • Use the push-on attachment method carefully to secure the solenoid connector
  • Inspect related wiring and connectors for damage or corrosion during replacement
  • Test transmission operation after installation to confirm proper function

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing dependable performance and durability. The TCS306 solenoid undergoes rigorous quality control to ensure consistent operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.

BrandStandard Ignition
Part NumberTCS306
Attachment MethodPush On
Connector GenderFemale
Connector ShapeRectangular
ContentsSolenoid
Gaskets IncludedNo
Hardware IncludedNo
MaterialMetal
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Wiring Harness IncludedNo

This part fits 29 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005Toyota4RunnerN/ALine Pressure Control
2005ToyotaSequoiaN/ALine Pressure Control
2005ToyotaTundraN/ALine Pressure Control
2004Toyota4Runner4.0LV6N/ALine Pressure Control
2004ToyotaSequoiaN/ALine Pressure Control
2004ToyotaTacomaN/ALine Pressure Control
2004ToyotaTundraN/ALine Pressure Control
2003Toyota4Runner4.0LV6N/ALine Pressure Control
2003ToyotaSequoiaN/ALine Pressure Control
2003ToyotaTacomaN/ALine Pressure Control
2003ToyotaTundraN/ALine Pressure Control
2002LexusLX470N/ALine Pressure Control
2002Toyota4RunnerN/ALine Pressure Control
2002ToyotaSequoiaN/ALine Pressure Control
2002ToyotaTacomaN/ALine Pressure Control
2002ToyotaTundraN/ALine Pressure Control
2001LexusLX470N/ALine Pressure Control
2001Toyota4RunnerN/ALine Pressure Control
2001ToyotaLand CruiserN/ALine Pressure Control
2001ToyotaSequoiaN/ALine Pressure Control
2001ToyotaTundraN/ALine Pressure Control
2000LexusLX470N/ALine Pressure Control
2000Toyota4RunnerN/ALine Pressure Control
2000ToyotaLand CruiserN/ALine Pressure Control
2000ToyotaTundraN/ALine Pressure Control
1999LexusLX470N/ALine Pressure Control
1999ToyotaLand CruiserN/ALine Pressure Control
1998LexusLX470N/ALine Pressure Control; From 4/98
1998ToyotaLand CruiserN/ALine Pressure Control; From 4/98

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

352906002052-0401TCS229TCS849

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.