🚙 Shift into reliability with every push!
The Dorman 600-500 Transfer Case Switch is a precision-engineered, direct replacement switch designed for select Chevrolet, GMC, and Oldsmobile models. Rated at 20 Amps and operating at 5 Volts, this durable, panel-mounted push-button switch restores proper 4WD functionality with reliable brass/copper/aluminum contacts. Proudly made in the USA, it ensures OEM-level fit and performance, backed by expert design and craftsmanship.
| Operation Mode | attribute not appiicable to product |
| Current Rating | 20 Amps |
| Operating Voltage | 5 Volts |
| Contact Type | Normally Open |
| Brand | Dorman |
| Item dimensions L x W x H | 3.3 x 2 x 2.1 inches |
| Circuit Type | 2-way |
| Mounting Type | Panel Mount |
| Actuator Type | Push Button |
| Contact Material | Brass Or Copper Or Aluminum |
| International Protection Rating | IP00 |
| Number of Positions | 2 |
| Control Method | App |
| Connectivity Protocol | X-10 |
| Color | Black |
| Wattage | 100 watts |
| Unit Count | 1.0 Count |
| Number of Items | 1 |
| Global Trade Identification Number | 00019495115731 |
| Manufacturer | Dorman Products |
| UPC | 019495115731 |
| Model | Transfer Case Shift Motor |
| Item Weight | 0.01 ounces |
| Product Dimensions | 3.3 x 2 x 2.1 inches |
| Country of Origin | USA |
| Item model number | 600-500 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 600-500 |
| OEM Part Number | 1S3164; FWD-18; FWD16; TCA-2; 15664811; 89059420 |
C**S
Switch
Works great.
R**1
Only Good For 3 Years
Just discovered this switch failed less than 3 years since it was installed.Now I have a major vacuum line cleaning task ahead of me.I do not recommend this Doorman Product
C**R
T case fixed
This fixed the 4x4 right up.
A**R
exact fit
Worked great, no issues
D**N
Failed after two months
Worked great at first; soon failed. OEM no longer makes them so this may be sadly your only choice. Plan on buying more than one even if you only need one.
D**.
Hub Actuator Vacuum Switch. As good as the original, maybe better.
This was EXACTLY the part that I needed - the old vacuum switch was allowing a partial leak of vacuum into the line going to the hub lock actuator diaphragm mechanism, causing a "gear grinding" sound to come from the front axle, as the hubs were trying to partially engage even in 2 Wheel Drive. Replacing this switch made sure that vacuum was applied only when it was supposed to be. The old one was stuck with the ball plunger partially depressed, thus the leak in the old one. One installation hint: This part is tipped just a TINY bit forward when properly lined up to thread into the hole in the top of the transfer case. It does NOT go in perfectly vertical. Otherwise, you can spend hours trying to get it in! Also, make sure that you have the little pin on the switch lined up with the depression on the triple line going to it, so that the lines are not mixed up. Otherwise, it WILL NOT work properly!
A**R
Dorman transfer case vacuum switch
The Dorman transfer case switch is made in Mexico; howver, the quality appears to be fine no issues when installing.
D**Y
Would not buy again
Allowed fluid past check valve in less than a year.
Trustpilot
3 weeks ago
2 weeks ago
