HomeDriveline and Axles > DifferentialStandard Ignition TCA-81 4WD Actuator
Part #: TCA-81

Standard Ignition TCA-81 4WD Actuator

⚙️ 24 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ram and Dodge, 1500 and Ram 1500
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable 4WD Actuator for Dodge Ram 1500 Models

The Standard Ignition 4WD Actuator (Part Number TCA-81) is designed to provide precise control for the four-wheel drive system in Dodge Ram 1500, 1500 Classic, and Ram 1500 trucks. Engineered with durable metal and plastic components, this black actuator ensures consistent performance and compatibility with your vehicle's driveline system.

Key Features of Standard Ignition 4WD Actuator TCA-81

  • Compatible with Dodge Ram 1500, 1500 Classic, and Ram 1500 models
  • Durable black finish combining metal and plastic materials for longevity
  • Female square connector with four male pin terminals for secure electrical connection
  • Terminal configuration: 4 male pins ensuring reliable signal transmission
  • Designed specifically for driveline and axle switch, solenoid, and actuator applications

Detailed Description of the 4WD Actuator TCA-81

This 4WD actuator from Standard Ignition is built to meet the exact specifications required by Dodge Ram 1500 series trucks. The actuator features a black finish that combines metal and plastic materials, providing a balance of strength and resistance to environmental factors. Its female square connector and four male pin terminals are designed for a secure and precise fit, ensuring proper electrical connectivity within the vehicle's four-wheel drive system. The actuator plays a critical role in engaging and disengaging the 4WD system, contributing to the vehicle's drivability and traction control.

Common Applications and Issues Addressed

  • Restores proper engagement of the 4WD system in Dodge Ram 1500 trucks
  • Resolves intermittent or failed 4WD actuator signals
  • Eliminates issues related to faulty actuator connectors or terminals
  • Addresses driveline problems caused by actuator wear or damage
  • Improves overall reliability of the four-wheel drive system

Installation Notes and Tips

  • Ensure vehicle is safely lifted and secured before beginning installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify connector orientation: female square connector with four male pin terminals
  • Inspect wiring harness and connectors for damage before installation
  • Test actuator operation after installation to confirm proper 4WD engagement

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM standards for fit, form, and function. The TCA-81 4WD actuator undergoes rigorous quality control to ensure durability and reliable performance in Dodge Ram 1500 vehicles. Warranty coverage details are provided by Standard Ignition and typically include protection against defects in materials and workmanship under normal use.

BrandStandard Ignition
Part NumberTCA-81
ColorBlack
Connector GenderFemale
Connector ShapeSquare
FinishMetal, Plastic
Terminal GenderMale
Terminal TypePin

This part fits 24 vehicles. Search below:

YearMakeModelDrive TypeLitersCylindersPositionNotes
2023Ram1500 ClassicN/A
2022Ram15004WDN/A
2022Ram1500 ClassicN/A
2021Ram15004WDN/A
2021Ram1500 ClassicN/A
2020Ram15004WDN/A
2020Ram1500 ClassicN/A
2019Ram15004WDN/A
2019Ram1500 ClassicN/A
2018Ram15004WDN/A
2017Ram15004WDN/A
2016Ram15004WDN/A
2015Ram15004WDN/A
2014Ram15004WDN/A
2013Ram15004WD3.6LV6N/A
2013Ram15004WD4.7LV8N/A
2013Ram15004WD5.7LV8N/A
2012Ram15004WDN/A
2011Ram15004WDN/A
2010DodgeRam 15004WDN/A
2009DodgeRam 15004WDN/A
2008DodgeRam 15004WDN/A
2007DodgeRam 15004WDN/A
2006DodgeRam 15004WDN/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:

1S1265752114387AA52114387AE600-39966620141FWD73FWD95SW9700

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