HomeEmission Control > SensorsStandard Ignition TH438 Throttle Position Sensor
Part #: TH438

Standard Ignition TH438 Throttle Position Sensor

11 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: BMW, 635CSi, 535is, 535i, and 735i
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Overview of Standard Ignition TH438 Throttle Position Sensor

The Standard Ignition TH438 throttle position sensor is designed for precise throttle monitoring in select BMW models. Engineered to deliver accurate input to the engine control unit, this sensor supports optimal engine performance and emission control.

  • Connector Gender: Female
  • Single Plug-in Connector
  • Three Bullet Terminals (Male and Female)
  • Compatible with BMW 535i, 535is, 635CSi, and 735i models
  • Part Number: TH438

Detailed Product Description

This throttle position sensor from Standard Ignition features a female connector with a single plug-in type interface, ensuring a secure and reliable electrical connection. It includes three bullet terminals with a combination of male and female terminal genders, designed to fit the specific wiring harnesses of BMW 535i, 535is, 635CSi, and 735i vehicles. The sensor accurately measures the throttle valve position and sends this data to the engine control module, which adjusts fuel injection and ignition timing accordingly.

Compatible BMW Models and Applications

The TH438 throttle position sensor is compatible with the following BMW models: 535i, 535is, 635CSi, and 735i. This makes it a suitable replacement part for emission control sensor repairs and throttle system maintenance on these vehicles.

  • Improves throttle response accuracy
  • Helps resolve engine hesitation or stalling
  • Supports proper fuel mixture adjustments
  • Assists in reducing emission control errors
  • Eliminates throttle position sensor-related check engine lights

Installation Notes and Tips

When installing the Standard Ignition TH438 throttle position sensor, ensure the female plug-in connector is securely attached to the vehicle’s wiring harness. Verify that the three bullet terminals are properly aligned and connected to avoid electrical faults. It is recommended to calibrate the throttle position sensor after installation according to BMW service procedures to ensure accurate sensor readings.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The TH438 throttle position sensor undergoes rigorous quality control testing to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberTH438
Connector GenderFemale
Connector TypePlug In
Terminal GenderMale; Female; Female
Terminal TypeBullet

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1989BMW635CSi3.5LL6N/A
1988BMW535isN/A
1988BMW635CSi3.5LL6N/A
1987BMW535iN/A
1987BMW635CSi3.5LL6N/A
1986BMW535iN/A
1986BMW635CSi3.5LL6N/A
1986BMW735iN/A
1985BMW535iN/A
1985BMW635CSi3.5LL6N/A
1985BMW735iN/A

* 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:

136212877312-60060200-1455EC3394TPSB10080

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