Looking for the best GMC vacuum switches? We’ve got you covered with a guide to the top 10 reliable and easy-to-install options that ensure your vehicle runs smoothly.
Finding the right vacuum switch for your GMC can be tricky. But don’t worry, we’ve got you covered.
Our guide highlights the best GMC vacuum switches that fit perfectly and work reliably. From easy installation to durable performance, these switches ensure your vehicle runs smoothly.
Discover top brands and features that make maintenance a breeze. Let’s find the perfect switch for your GMC today!
List of Top 10 GMC Vacuum Switches
| Image | Title | Best For | Price |
|---|---|---|---|
![]() |
TRQ Transfer Case Vacuum Switch Compatible with 1995-2000 Chevrolet Blazer 1983-2000 S10 1983-1994 S10 Blazer 1992-2000 GMC Jimmy 1983-1990 S15 1983-1991 S15 Jimmy 1991-2000 Sonoma Oldsmobile Bravada |
This TRQ Transfer Case Vacuum Switch is perfect for DIY enthusiasts and vehicle owners who want a reliable, easy-to-install replacement part. It’s ideal for those with compatible Chevrolet, GMC, Oldsmobile, or Sonoma models looking to save time and effort on repairs. |
|
![]() |
Standard Motor Products PVS80 Ported Vacuum Switch |
The Standard Motor Products PVS80 Ported Vacuum Switch is perfect for car owners who need a reliable auto part. It’s easy to install and fits most vehicles. |
|
![]() |
Melonpie Transfer Case Vacuum Switch Compatible with Blazer S10 Blazer S15 Jimmy Sonoma Bravada |
This Melonpie Transfer Case Vacuum Switch is perfect for owners of Blazer, S10, Jimmy, Sonoma, or Bravada models from the 1980s to 2000. It’s easy to install and built to last, making it a great choice for quick repairs. |
|
![]() |
Standard Motor Products PVS82 Ported Vacuum Switch |
The Standard Motor Products PVS82 Ported Vacuum Switch is perfect for car owners who need a reliable electronic switch. It’s easy to install and works great for basic vehicle repairs. |
|
![]() |
Standard Motor Products PVS16 Ported Vacuum Switch |
The Standard Motor Products PVS16 Ported Vacuum Switch is perfect for car owners who need a reliable auto part. It’s easy to install and works great for everyday use. |
|
![]() |
Standard Motor Products PVS48 Ported Vacuum Switch |
The Standard Motor Products PVS48 Ported Vacuum Switch is perfect for car owners who need a reliable replacement part. It’s easy to install and fits most vehicles. |
|
![]() |
Vacuum Switch Kit. |
This Vacuum Switch Kit is perfect for car enthusiasts and mechanics working on older transmissions like 700-R4 and 200-4R’s. It’s ideal for systems without computers that need precise lock-up control. |
|
![]() |
PartCatalog Ported Vacuum Switch Compatible with GMC K25 1978 1977 1976 1975 P-1711650 |
This PartCatalog Ported Vacuum Switch is perfect for GMC K25 owners from 1975 to 1978 who need a reliable replacement part. It’s easy to install and fits perfectly, giving you great performance without any hassle. |
|
![]() |
Ported Vacuum Switch Compatible With GMC K1500 Suburban 1980 1979 P-1711645 |
This ported vacuum switch is perfect for GMC K1500 Suburban owners from 1979 or 1980. It’s a direct replacement that fits perfectly and works great. |
|
![]() |
Ported Vacuum Switch Compatible With GMC S15 2.8L V6 1984 1983 1982 P-1711178 |
This ported vacuum switch is perfect for GMC S15 owners with a 2.8L V6 engine from 1982 to 1984. It’s easy to install and fits perfectly, giving your vehicle reliable performance. |
Detailed Reviews
Discover the top 10 GMC Vacuum Switches in this expert-reviewed guide. Each product is handpicked for performance, quality, and value, ensuring you find the perfect fit for your vehicle. Whether you prioritize durability, ease of installation, or affordability, this guide has you covered. Read on to make an informed choice and upgrade your GMC with confidence.
1. TRQ Transfer Case Vacuum Switch Compatible with 1995-2000 Chevrolet Blazer 1983-2000 S10 1983-1994 S10 Blazer 1992-2000 GMC Jimmy 1983-1990 S15 1983-1991 S15 Jimmy 1991-2000 Sonoma Oldsmobile Bravada

The TRQ Transfer Case Vacuum Switch is a direct-fit replacement part for several Chevrolet, GMC, Oldsmobile, and Sonoma models. It ensures your vehicle’s transfer case operates smoothly.
Easy installation is guaranteed with pre-assembled components. No modifications are needed, saving you time and effort. It fits perfectly, just like the original equipment.
TRQ’s DIY videos make repairs accessible. With hundreds of new videos weekly, you can “View Before You Do.” Trust TRQ’s 25 years of experience for compatibility and quality.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This TRQ Transfer Case Vacuum Switch is perfect for DIY enthusiasts and vehicle owners who want a reliable, easy-to-install replacement part. It’s ideal for those with compatible Chevrolet, GMC, Oldsmobile, or Sonoma models looking to save time and effort on repairs.
Ready to Purchase?
2. Standard Motor Products PVS80 Ported Vacuum Switch

The Standard Motor Products PVS80 Ported Vacuum Switch is a reliable auto part designed for your vehicle. It comes in a compact size, measuring just 3.5″ (L) x 2.1″ (W) x 1.5″ (H).
This switch is easy to install and built to last. It is made in China and comes in a single-pack.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Standard Motor Products PVS80 Ported Vacuum Switch is perfect for car owners who need a reliable auto part. It’s easy to install and fits most vehicles.
Ready to Purchase?
3. Melonpie Transfer Case Vacuum Switch Compatible with Blazer S10 Blazer S15 Jimmy Sonoma Bravada

The Melonpie Transfer Case Vacuum Switch is a reliable replacement part for your vehicle. It is compatible with multiple models, ensuring a perfect fit.
This switch is easy to install, with a plug-and-play connector. No extra tools or modifications are needed. It’s durable, too, built to last long.
With a 1-year limited warranty, you can trust its quality. Always verify the part number before buying to ensure compatibility.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Melonpie Transfer Case Vacuum Switch is perfect for owners of Blazer, S10, Jimmy, Sonoma, or Bravada models from the 1980s to 2000. It’s easy to install and built to last, making it a great choice for quick repairs.
Ready to Purchase?
4. Standard Motor Products PVS82 Ported Vacuum Switch

The Standard Motor Products PVS82 is a reliable electronic switch. It’s designed for precise performance. This switch works with ported vacuum systems.
Its compact size makes it easy to install. The package dimensions are 9.144 cm L x 5.334 cm W x 3.81 cm H. It weighs just 0.39 lbs, making it lightweight.
This product is made in China. It’s a trusted choice for vehicle maintenance.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Standard Motor Products PVS82 Ported Vacuum Switch is perfect for car owners who need a reliable electronic switch. It’s easy to install and works great for basic vehicle repairs.
Ready to Purchase?
5. Standard Motor Products PVS16 Ported Vacuum Switch

The Standard Motor Products PVS16 is a reliable auto part designed to enhance your vehicle’s performance. It’s a ported vacuum switch that works efficiently in your car’s system.
This product comes in a single package, making it easy to handle and install. It weighs just 0.150992 lbs, so it’s light and won’t add extra burden to your vehicle.
Made in China, this switch is a cost-effective solution for your car. It’s durable and easy to use, ensuring long-lasting performance.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Standard Motor Products PVS16 Ported Vacuum Switch is perfect for car owners who need a reliable auto part. It’s easy to install and works great for everyday use.
Ready to Purchase?
6. Standard Motor Products PVS48 Ported Vacuum Switch

The Standard Motor Products PVS48 Ported Vacuum Switch is a reliable and efficient component for your vehicle. It is made in China and designed to perform well.
This product comes in a compact package, measuring 1.05 inches in height, 2.99 inches in length, and 1.41 inches in width. Its small size makes it easy to handle and install. The dimensions are clearly labeled for your convenience.
You will appreciate the simple design and straightforward functionality. It is a great choice for those seeking a durable and cost-effective solution. This vacuum switch is a smart addition to your vehicle’s system.
| Pros | Cons |
|---|---|
|
|
Perfect For:
The Standard Motor Products PVS48 Ported Vacuum Switch is perfect for car owners who need a reliable replacement part. It’s easy to install and fits most vehicles.
Ready to Purchase?
7. Vacuum Switch Kit.

The Vacuum Switch Kit is perfect for 700-R4, 200-4R’s, and other units. It helps control lock-up timing without needing a computer. This kit is easy to use and highly adjustable.
Unlike the GM vacuum switch, this one lets you adjust the vacuum trigger point. You can set it between 6 to 22 inches of vacuum. This flexibility ensures better performance.
You can also wire this switch to be normally open or closed. This feature adds versatility to your setup. It’s a reliable solution for your transmission needs.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This Vacuum Switch Kit is perfect for car enthusiasts and mechanics working on older transmissions like 700-R4 and 200-4R’s. It’s ideal for systems without computers that need precise lock-up control.
Ready to Purchase?
8. PartCatalog Ported Vacuum Switch Compatible with GMC K25 1978 1977 1976 1975 P-1711650

Upgrade your GMC K25 with the PartCatalog Ported Vacuum Switch. This OE replacement is designed for a perfect fit, ensuring seamless installation.
Enjoy exceptional quality and performance that meets or exceeds the original equipment standards. It’s a direct replacement with no complications, giving you peace of mind.
Check compatibility in the image gallery fitment chart. One switch is included. Perfect fit, every time.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This PartCatalog Ported Vacuum Switch is perfect for GMC K25 owners from 1975 to 1978 who need a reliable replacement part. It’s easy to install and fits perfectly, giving you great performance without any hassle.
Ready to Purchase?
9. Ported Vacuum Switch Compatible With GMC K1500 Suburban 1980 1979 P-1711645

This ported vacuum switch is a direct replacement for your vehicle. It’s designed to fit perfectly and work like the original part. One switch is included in the package.
It meets or exceeds the quality and performance of your vehicle’s original equipment. Installation is simple and hassle-free, with no complications.
Check the fitment chart in the image gallery to ensure compatibility with your vehicle. This switch promises optimal performance and a perfect fit every time.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ported vacuum switch is perfect for GMC K1500 Suburban owners from 1979 or 1980. It’s a direct replacement that fits perfectly and works great.
Ready to Purchase?
10. Ported Vacuum Switch Compatible With GMC S15 2.8L V6 1984 1983 1982 P-1711178

Upgrade your GMC S15 with this ported vacuum switch. It’s designed for a perfect fit and easy installation.
This OE replacement meets high-quality standards. It delivers reliable performance just like your original parts.
Check compatibility in the image gallery. Get a seamless replacement for your vehicle today.
| Pros | Cons |
|---|---|
|
|
Perfect For:
This ported vacuum switch is perfect for GMC S15 owners with a 2.8L V6 engine from 1982 to 1984. It’s easy to install and fits perfectly, giving your vehicle reliable performance.
Ready to Purchase?
Buying Guide
Finding the right GMC vacuum switch is easy with our guide. We’ll help you pick the best one for your vehicle. Let’s get started!
Choosing the Perfect GMC Vacuum Switch
Selecting the right vacuum switch for your GMC ensures smooth performance and easy maintenance. Here’s what to consider:
-
Compatibility:
Check your GMC’s model and year to ensure the switch fits perfectly. Look for OE replacements or direct-fit parts for seamless installation. -
Ease of Installation:
Choose switches with plug-and-play connectors or pre-assembled components. This saves time and avoids extra tools or modifications. -
Durability:
Opt for high-quality materials that last long. Look for switches with warranties to guarantee reliability. -
Brand Reputation:
Trust well-known brands like TRQ, Standard Motor Products, or Melonpie. They offer proven quality and expertise. -
Performance:
Ensure the switch works efficiently with your vehicle’s system. Look for precise performance and adjustable features if needed. -
Size and Design:
Consider the switch’s compact size for easy handling and installation. Clearly labeled dimensions help ensure a perfect fit. -
Cost-Effectiveness:
Balance quality with affordability. Cost-effective solutions like Standard Motor Products PVS16 offer great value without compromising performance. -
Warranty and Support:
Look for switches with warranties and support resources like TRQ’s DIY videos for added peace of mind.
Make Your Choice Today!
With these factors in mind, you’re ready to find the perfect GMC vacuum switch. Enjoy a smoother ride and hassle-free maintenance!