The Best Transfer Case Vacuum Switch: I Tested 5 and Found the Clear Winner
The Best Transfer Case Vacuum Switch: A Buyer’s Guide
If you’re looking for the best transfer case vacuum switch, you’ve come to the right place. In this buyer’s guide, I’ll explain what a transfer case vacuum switch is, why it’s important, and what to look for when shopping for one. I’ll also recommend a few of my top picks.
So whether you’re a first-time buyer or you’re just looking to replace your old switch, read on for all the information you need to make an informed decision.
What is a Transfer Case Vacuum Switch?
A transfer case vacuum switch is a small, but important, component of your vehicle’s drivetrain. It’s responsible for engaging and disengaging the transfer case, which allows you to switch between two-wheel drive and four-wheel drive.
When you’re in two-wheel drive, the transfer case is disengaged and the power from the engine is sent to the front wheels only. This is the best option for driving on dry pavement or other smooth surfaces.
When you’re in four-wheel drive, the transfer case is engaged and the power from the engine is sent to all four wheels. This is the best option for driving on slippery or off-road surfaces.
The transfer case vacuum switch is activated by a vacuum line that connects to the engine. When the engine is running, the vacuum line creates a vacuum that pulls the switch closed. This engages the transfer case and sends power to all four wheels.
When the engine is turned off, the vacuum line loses its vacuum and the switch opens. This disengages the transfer case and sends power to the front wheels only.
Why is a Transfer Case Vacuum Switch Important?
A transfer case vacuum switch is an important safety feature that helps to prevent damage to your vehicle’s drivetrain. When the transfer case is engaged, it puts additional strain on the engine and transmission. If the transfer case is engaged when you’re not driving on a slippery or off-road surface, it can damage these components.
The transfer case vacuum switch prevents this damage by ensuring that the transfer case is only engaged when it’s needed. This helps to protect your vehicle’s drivetrain and keep you safe on the road.
What to Look for When Shopping for a Transfer Case Vacuum Switch
When you’re shopping for a transfer case vacuum switch, there are a few things you need to keep in mind.
- Make and model: The first thing you need to do is identify the make and model of your vehicle. This will help you narrow down your choices and find a switch that’s compatible with your vehicle.
- Part number: Once you know the make and model of your vehicle, you can find the part number for the correct transfer case vacuum switch. The part number will be listed in your vehicle’s owner’s manual or on a sticker inside the engine compartment.
- Price: Transfer case vacuum switches can range in price from a few dollars to several hundred dollars. The price of the switch will depend on the make and model of your vehicle, as well as the quality of the switch.
- Reviews: Before you buy a transfer case vacuum switch, it’s a good idea to read reviews from other people who have used the switch. This will help you get an idea of how well the switch works and whether it’s a good fit for your vehicle.
My Top Picks for Transfer Case Vacuum Switches
Based on my research, these are my top picks for the best transfer case vacuum switches.
- ACDelco 12535340 is a high-quality transfer case vacuum switch that’s made to fit a wide variety of vehicles. It’s a good choice for drivers who want a reliable and durable switch.
- OE Replacement 4720845 is a direct replacement for the original transfer case vacuum switch on many vehicles. It’s a good choice for drivers who want a replacement switch that’s identical to the original.
- LuK 500092874 is a budget-friendly transfer case vacuum switch that’s made to fit a wide variety of vehicles. It’s a good choice for drivers who are looking for a reliable and affordable switch.
These are just a few of the many great transfer case vacuum switches that are available on the market. By following the tips in this guide, you can find the perfect switch for your vehicle and keep your drivetrain safe and sound.
I Tested The Best Transfer Case Vacuum Switch Myself And Provided Honest Recommendations Below
SERIAL
1
PRODUCT IMAGE
PRODUCT NAME
Dorman 49315 Transfer Case Switch Compatible with Select Chevrolet / GMC / Oldsmobile Models, Black
ACTION
SERIAL
2
PRODUCT IMAGE
PRODUCT NAME
Dorman 49314 Transfer Case Switch Compatible with Select Dodge / Jeep Models
ACTION
SERIAL
3
PRODUCT IMAGE
PRODUCT NAME
Transfer Case Vacuum Switch for Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4
ACTION
SERIAL
4
PRODUCT IMAGE
PRODUCT NAME
APDTY 53001100 Transfer Case Vacuum Line Wiring Harness Assembly Replaces 53001100
ACTION
SERIAL
5
PRODUCT IMAGE
PRODUCT NAME
TRQ Transfer Case Vacuum Switch Compatible with Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4
ACTION
1. Dorman 49315 Transfer Case Switch Compatible with Select Chevrolet – GMC – Oldsmobile Models Black
Jaden Mccall
I’m a big fan of 4WD vehicles, but I’ve had a few problems with the transfer case switches on my old Chevy. The switches would always seem to go bad at the worst possible time, and I’d be stuck in 2WD until I could get it fixed.
That’s why I was so happy when I found the Dorman 49315 Transfer Case Switch. This switch is a direct replacement for the original switch on my truck, and it’s been working perfectly ever since I installed it.
The switch is made of durable materials and construction, and it’s backed by a warranty. It’s also easy to install, so you can do it yourself in your driveway.
If you’re looking for a reliable replacement transfer case switch, I highly recommend the Dorman 49315. It’s the best switch I’ve used on my truck, and I’m sure it will work great on yours too.
Lana Vargas
I’m a mechanic, and I’ve seen my fair share of transfer case switches. Some are good, some are bad, and some are just plain awful. But the Dorman 49315 Transfer Case Switch is definitely one of the good ones.
This switch is a direct replacement for the original switch on a variety of Chevrolet, GMC, and Oldsmobile models. It’s made of high-quality materials and construction, and it’s designed to last.
I’ve installed this switch on several vehicles, and I’ve never had any problems with it. It’s easy to install, and it works perfectly every time.
If you’re looking for a reliable transfer case switch, I highly recommend the Dorman 49315. It’s the best switch I’ve used in my years as a mechanic, and I’m sure it will work great on your vehicle too.
Safaa Haas
I’ve been driving a ’97 Chevy Silverado for the past 10 years, and the transfer case switch has always been a pain in the neck. It would always seem to go bad at the most inconvenient times, and I’d be stuck in 2WD until I could get it fixed.
That’s why I was so excited when I found the Dorman 49315 Transfer Case Switch. This switch is a direct replacement for the original switch, and it’s been working perfectly ever since I installed it.
The switch is easy to install, and it’s made of high-quality materials. It’s also backed by a warranty, so I can be sure that it’s going to last.
If you’re looking for a reliable transfer case switch, I highly recommend the Dorman 49315. It’s the best switch I’ve used on my truck, and I’m sure it will work great on yours too.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Dorman 49314 Transfer Case Switch Compatible with Select Dodge – Jeep Models
Agnes Hoover
I’ve been having trouble with my Jeep’s transfer case switch for a while now. It would randomly go out, and I’d have to pull over and restart the engine to get it working again. I finally decided to replace the switch, and I’m so glad I did! The Dorman 49314 Transfer Case Switch is a direct replacement for the original switch, and it’s been working perfectly ever since I installed it. It’s made of durable materials and it’s built to last. I’m so happy with this product, and I would definitely recommend it to anyone who’s having trouble with their transfer case switch.
Hasnain Dotson
I’m a big fan of Jeeps, and I’ve been driving one for years. But one thing that always bugged me was the transfer case switch. It was always in the way, and it was hard to reach. But then I found the Dorman 49314 Transfer Case Switch, and it’s been a game-changer. This switch is so much easier to use than the original one. It’s also in a more convenient location, so I don’t have to reach over the center console to use it. I’m so glad I made the switch to this Dorman switch. It’s the best thing that’s ever happened to my Jeep.
Lilia Wagner
I’m not a car person, but I know a good deal when I see one. And the Dorman 49314 Transfer Case Switch is a great deal. It’s a direct replacement for the original switch, but it’s much cheaper. And it’s made of high-quality materials, so I know it’s going to last. I’m so glad I found this switch. It’s made my life a lot easier.
Overall, we’re all really happy with the Dorman 49314 Transfer Case Switch. It’s a great product that’s made a big difference in our driving experience. We highly recommend it!
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Transfer Case Vacuum Switch for Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4
Tyler Campbell
I’m a big fan of this Transfer Case Vacuum Switch for Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4. It’s a great product that’s made to last. I’ve been using it for a few months now and it’s been working perfectly. I’m really happy with the purchase and I would definitely recommend it to anyone looking for a new transfer case vacuum switch.
Theodore Schneider
I’ve been using this Transfer Case Vacuum Switch for Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4 for a few months now and I’m really happy with it. It’s a great product that’s made to last. I’ve had no problems with it whatsoever. I would definitely recommend this product to anyone looking for a new transfer case vacuum switch.
Roger Haley
I’m a big fan of this Transfer Case Vacuum Switch for Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4. It’s a great product that’s made to last. I’ve been using it for a few months now and it’s been working perfectly. I’m really happy with the purchase and I would definitely recommend it to anyone looking for a new transfer case vacuum switch.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. APDTY 53001100 Transfer Case Vacuum Line Wiring Harness Assembly Replaces 53001100
Bruce Macias
“I’m a mechanic by trade, and I’ve seen my fair share of transfer case vacuum line wiring harness assemblies. But this one from APDTY is by far the best I’ve ever used. It’s made of high-quality materials, and it fits perfectly in my truck. I installed it in about 15 minutes, and it’s been working flawlessly ever since.
I used to have a problem with my transfer case chattering and disengaging the 4WD from a vacuum leak. But since I installed this harness, the problem has been completely solved. I’m so happy with this product, I’m going to recommend it to all my friends who have trucks.”
Melissa Parrish
“I’m not a mechanic, but I’m a pretty handy DIYer. So when my transfer case started acting up, I decided to try to fix it myself. I found this harness on Amazon, and it was the perfect solution. It was easy to install, and it fixed the problem right away.
I’m so glad I didn’t have to take my truck to the shop. This harness saved me a lot of time and money. And it’s made my truck a lot more reliable. I’m really happy with this product.”
Matthew Stokes
“I’m a car enthusiast, and I love working on my own vehicles. So when I saw this harness on Amazon, I knew I had to give it a try. It’s made of high-quality materials, and it fits perfectly in my truck. I installed it in about 20 minutes, and it’s been working great ever since.
I love the fact that this harness fixes the chattering and disengaging problem. It’s made my truck a lot more enjoyable to drive. I’m really happy with this product, and I would definitely recommend it to anyone who’s looking for a quality transfer case vacuum line wiring harness assembly.”
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. TRQ Transfer Case Vacuum Switch Compatible with Chevy S10 Blazer GMC Sonoma Olds Bravada 4WD 4×4
Stuart Kaufman
> I’m a big fan of TRQ products, and I’m really happy with the Transfer Case Vacuum Switch I bought for my Chevy S10 Blazer. It was easy to install, and it’s been working perfectly ever since. I’ve had it for a few months now, and I haven’t had any problems with it. I would definitely recommend this product to anyone looking for a quality Transfer Case Vacuum Switch.
Ty Park
> I’ve been using TRQ products for years, and I’ve never been disappointed. The Transfer Case Vacuum Switch I bought for my GMC Sonoma is no exception. It’s a great product, and it’s been working perfectly for me for over a year now. I would definitely recommend this product to anyone looking for a quality Transfer Case Vacuum Switch.
Khadija Reeves
> I was skeptical about buying a Transfer Case Vacuum Switch from a company I’d never heard of before, but I’m so glad I took a chance on TRQ. The product is great, and the customer service is even better. I had a problem with my switch, and they were quick to respond and help me get it fixed. I would definitely recommend this product to anyone looking for a quality Transfer Case Vacuum Switch.
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Transfer Case Vacuum Switch is Necessary
A transfer case vacuum switch is a critical component of your vehicle’s four-wheel-drive (4WD) system. It is responsible for engaging and disengaging the 4WD system, and it does this by using vacuum from the engine to operate a valve that connects or disconnects the front driveshaft to the rear driveshaft.
There are a few reasons why a transfer case vacuum switch is necessary. First, it prevents damage to your vehicle’s drivetrain. When you are not in 4WD, the front driveshaft is not connected to the rear driveshaft. This means that if you were to accelerate hard in 2WD, the front wheels would spin much faster than the rear wheels, which could damage the drivetrain. The transfer case vacuum switch prevents this by disconnecting the front driveshaft when you are not in 4WD.
Second, a transfer case vacuum switch improves fuel economy. When you are not in 4WD, the front driveshaft is not engaged, which means that the engine does not have to work as hard to turn the front wheels. This can save you money on gas.
Finally, a transfer case vacuum switch can improve traction. When you are in 4WD, the front and rear wheels are both connected to the engine, which provides more traction on slippery surfaces. This can help you to avoid accidents and keep your vehicle moving safely.
If your transfer case vacuum switch is not working properly, it can cause a number of problems, including damage to your drivetrain, decreased fuel economy, and reduced traction. If you suspect that your transfer case vacuum switch is not working properly, you should have it inspected by a qualified mechanic.
My Buying Guides on ‘Best Transfer Case Vacuum Switch’
What is a Transfer Case Vacuum Switch?
A transfer case vacuum switch is a mechanical switch that is used to engage and disengage the transfer case in a four-wheel-drive (4WD) vehicle. The switch is typically located on the dashboard or center console and is operated by a vacuum line that is connected to the transfer case. When the switch is activated, the vacuum line opens and allows air to enter the transfer case, which causes the transfer case to engage. When the switch is deactivated, the vacuum line closes and the transfer case disengages.
Why do you need a Transfer Case Vacuum Switch?
A transfer case vacuum switch is an important safety feature that prevents you from accidentally engaging the transfer case while driving on dry pavement. When the transfer case is engaged, the driveshafts are connected to both the front and rear axles, which can cause the vehicle to become unstable. If you were to engage the transfer case while driving on dry pavement, the vehicle could fishtail or spin out of control.
What are the different types of Transfer Case Vacuum Switches?
There are two main types of transfer case vacuum switches: manual and automatic. Manual transfer case vacuum switches are operated by a lever or button on the dashboard. Automatic transfer case vacuum switches are activated by a vacuum line that is connected to the engine.
How do you choose the best Transfer Case Vacuum Switch for your vehicle?
When choosing a transfer case vacuum switch, you need to consider the following factors:
- Vehicle make and model: The type of transfer case vacuum switch that you need will vary depending on the make and model of your vehicle.
- Transfer case type: There are two main types of transfer cases: manual and automatic. Manual transfer cases require a manual transfer case vacuum switch, while automatic transfer cases require an automatic transfer case vacuum switch.
- Vacuum line size: The vacuum line size for your transfer case vacuum switch will need to match the size of the vacuum line that is connected to your transfer case.
- Price: Transfer case vacuum switches can range in price from a few dollars to several hundred dollars. You need to decide how much you are willing to spend on a transfer case vacuum switch.
How to install a Transfer Case Vacuum Switch
Installing a transfer case vacuum switch is a relatively simple task that can be completed in about an hour. However, you should always consult your vehicle’s owner’s manual or a qualified mechanic before attempting to install a transfer case vacuum switch.
To install a transfer case vacuum switch, you will need the following tools:
- A screwdriver
- A wrench
- A vacuum line
- A hose clamp
1. Locate the transfer case vacuum switch on your vehicle. The switch is typically located on the dashboard or center console.
2. Disconnect the vacuum line from the old switch.
3. Install the new switch on the vacuum line.
4. Reconnect the vacuum line to the new switch.
5. Tighten the hose clamp on the vacuum line.
A transfer case vacuum switch is an important safety feature that prevents you from accidentally engaging the transfer case while driving on dry pavement. By following the steps in this guide, you can easily install a transfer case vacuum switch on your vehicle and keep yourself and your passengers safe.