---
product_id: 3701123
title: "TCA21 4WD Switch"
brand: "standard motor products"
price: "€ 178.68"
currency: EUR
in_stock: true
reviews_count: 8
category: "Standard Motor Products"
url: https://www.desertcart.hr/products/3701123-tca21-4wd-switch
store_origin: HR
region: Croatia
---

# 20A current rating X-10 protocol compatible 4-way push button control TCA21 4WD Switch

**Brand:** standard motor products
**Price:** € 178.68
**Availability:** ✅ In Stock

## Summary

> 🔘 Drive smarter, not harder — command your 4WD like a pro!

## Quick Answers

- **What is this?** TCA21 4WD Switch by standard motor products
- **How much does it cost?** € 178.68 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/3701123-tca21-4wd-switch)

## Best For

- standard motor products enthusiasts

## Why This Product

- Trusted standard motor products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision 4WD Control:** Seamlessly switch your 4WD modes with a tactile push button for ultimate driving confidence.
- • **Trusted Brand Reliability:** Standard Motor Products delivers quality with a 4.4-star rating from hundreds of satisfied users.
- • **Robust 20A Current Handling:** Engineered to handle high electrical loads, ensuring reliable performance under demanding conditions.
- • **X-10 Protocol Compatibility:** Integrates effortlessly with X-10 enabled devices, expanding your vehicle’s smart control capabilities.
- • **Compact & Lightweight Design:** At just 4.32 ounces and 2.75x2.75x7.13 inches, it fits perfectly without adding bulk to your dashboard.

## Overview

The Standard Motor Products TCA21 4WD Switch is a compact, push-button switch designed for 4WD vehicles, featuring a 4-way control system, 20A current rating, and compatibility with X-10 protocol devices. Built with nickel-plated brass contacts for durability, it offers reliable, tactile control and is highly rated by users for performance and ease of installation.

## Description

Standard Motor Products TCA21 4WD Switch

Review: Big improvement - Works well and fast, would buy again, just make sure to check for the correct wiring connector before ordering
Review: Perfect replacement - Works great on my 1994 k1500 blazer, I had to cut and re use the old plug from the old actuator but other than that it works flawlessly.

## Features

- Country Of Origin : China

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001TEMLE4 |
| Actuator Type | Push Button |
| Best Sellers Rank | #706,815 in Automotive ( See Top 100 in Automotive ) #91 in Automotive Replacement Four Wheel Drive Switches |
| Brand | Standard Motor Products |
| Brand Name | Standard Motor Products |
| Circuit Type | 1-way |
| Color | Multi |
| Compatible Devices | Electrical devices with X-10 protocol support that can be controlled via a 4-way switch (e.g. lamps, fans) |
| Compatible with Vehicle Type | 4WD Vehicle |
| Connectivity Protocol | X-10 |
| Contact Material | Nickel-plated Brass |
| Contact Type | Normally Open |
| Control Method | Touch |
| Control Type | 4WD |
| Controller Type | Push Button |
| Current Rating | 20 A |
| Customer Reviews | 4.4 out of 5 stars 370 Reviews |
| Global Trade Identification Number | 00707390095967 |
| Included Components | switch |
| International Protection Rating | IP00 |
| Item Dimensions | 2.75 x 2.75 x 7.13 inches |
| Item Type Name | switch |
| Item Weight | 4.32 ounces |
| Item dimensions L x W x H | 2.75 x 2.75 x 7.13 inches |
| Manufacturer | Standard |
| Model | TCA21 |
| Mounting Type | Handlebar Mount |
| Number of Items | 1 |
| Number of Positions | 4 |
| Operating Voltage | 5 volts |
| Operation Mode | attribute not appiicable to product |
| Part Number | TCA21 |
| UPC | 707390095967 |
| Unit Count | 1 Count |

## Product Details

- **Actuator Type:** Push Button
- **Brand:** Standard Motor Products
- **Circuit Type:** 1-way
- **Contact Material:** Nickel-plated Brass
- **Contact Type:** Normally Open
- **Current Rating:** 20 A
- **Item dimensions L x W x H:** 2.75 x 2.75 x 7.13 inches
- **Mounting Type:** Handlebar Mount
- **Operating Voltage:** 5 volts
- **Operation Mode:** attribute not appiicable to product

## Images

![TCA21 4WD Switch - Image 1](https://m.media-amazon.com/images/I/71lZ0ndTFbL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Big improvement
*by C***R on July 16, 2026*

Works well and fast, would buy again, just make sure to check for the correct wiring connector before ordering

### ⭐⭐⭐⭐⭐ Perfect replacement
*by M***C on July 9, 2026*

Works great on my 1994 k1500 blazer, I had to cut and re use the old plug from the old actuator but other than that it works flawlessly.

### ⭐⭐⭐⭐ This fit my '96 Suburban exactly and was an easy (5 min) install.
*by M***N on June 9, 2018*

This fit my '96 Suburban exactly and was an easy (5 min) install. Check the type of plug on your old unit before ordering a new one as there are 2 different types (blade and pin). For the install I used a flathead screwdriver to pry the clip on the plug open and release the plug and a crescent wrench to loosen the old actuator and tighten in the new one.

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**Shop now:** [https://www.desertcart.hr/products/3701123-tca21-4wd-switch](https://www.desertcart.hr/products/3701123-tca21-4wd-switch)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-10-20*