Chevrolet GMC 3500 Truck Safety, Air & Electrical

Enhance your Chevrolet GMC 3500 truck with high-quality safety, air, and electrical parts from 4 State Trucks. From 7-foot custom wiring harnesses to 4-way flat to 7-way RV blade adapters, and die-cast metal 6-way connectors, we have it all. Ensure your truck's performance and reliability with our top-notch parts and accessories made fit for your truck.

Product
Qty in Cart
Quantity
Price
Subtotal

FREE SHIPPING OVER $249

Heavy Duty Metal Toggle Switch, 20A At 12V, 2 Screw Terminals For 1/2 Inch Hole

AFTERMARKET

MSRP:

$7.49

Was:

Heavy Duty Toggle Switch, Rated For 20A At 12V That Fits 1/2 Inch HoleHeavy-duty all-metal SPST toggle switch rated for 20 amps at 12V with two screw terminals. Perfect for industrial applications,...

09-16200054

SKU:

09-16200054

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

LED Green Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

AFTERMARKET

MSRP:

Now: $2.08

Was: $4.82

LED Oval Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Rocker Switch* Green LED* Oval* Mounted On Panel 2650E And 2950E* Rated 16A At 12V * Single Throw:...

09-16200050

SKU:

09-16200050

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $2.08

Was: $4.82

Qty in Cart: 0

Price:

MSRP:

Now: $2.08

Was: $4.82

Subtotal:
FREE SHIPPING OVER $249

Illuminated Blue Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

AFTERMARKET

MSRP:

$7.49

Was:

Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Jumbo Rocker Switch* Blue* Incandescent Illumination* Rated 16A At 12V* Single Throw:...

09-16200042

SKU:

09-16200042

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
FREE SHIPPING OVER $249

Bakelite Toggle Switch, 15A At 12V, 2 Screw Terminals For 1/2 Inch Hole

AFTERMARKET

MSRP:

$7.49

Was:

Toggle Switch, Rated For 15A At 12V, Fits 1/2 Inch HoleClassic bakelite toggle switch fits hot rods, vintage cars and custom builds. Features traditional ON/OFF operation with screw terminals. Rated...

09-16200064

SKU:

09-16200064

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
FREE SHIPPING OVER $249

Black Non-Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.92

Was:

Non-Illuminated Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Black* Duckbill Style* 3 Terminals, .250 Tabs* Incandescent Bulb* Fits 1/2 Inch Hole And 2650E And...

09-16200038

SKU:

09-16200038

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$4.92

Was:

Qty in Cart: 0

Price:

MSRP:

$4.92

Was:

Subtotal:
FREE SHIPPING OVER $249

Amber Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.92

Was:

Illuminated Toggle Switch, Rated For 20A At 12V That Fits 1/2 Inch HoleAmber illuminated toggle switch rated for 20 amps at 12V, featuring SPST (Single Pole Single Throw) design with incandescent...

09-16200034

SKU:

09-16200034

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$4.92

Was:

Qty in Cart: 0

Price:

MSRP:

$4.92

Was:

Subtotal:
FREE SHIPPING OVER $249

Heavy Duty Metal Toggle Switch, 50A At 12V, 2 Screw Terminals For 1/2 Inch Hole

AFTERMARKET

MSRP:

$9.63

Was:

Heavy Duty Toggle Switch, Rated For 50A At 12V That Fits 1/2 Inch HoleHeavy-duty all-metal SPST toggle switch rated for 50 amps at 12V with screw terminals. Perfect for extreme high-current...

09-16200056

SKU:

09-16200056

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$9.63

Was:

Qty in Cart: 0

Price:

MSRP:

$9.63

Was:

Subtotal:
FREE SHIPPING OVER $249

Heavy Duty Toggle Switch, 30A At 12V, 4 Screw Terminals For 1/2 Inch Hole

AFTERMARKET

MSRP:

$13.92

Was:

Heavy Duty Toggle Switch, Rated For 30A At 12V, Fits 1/2 Inch HoleHeavy-duty DPST toggle switch rated for 30 amps at 12V with four screw terminals. Perfect for high-current applications, dual circuit...

09-16200052

SKU:

09-16200052

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$13.92

Was:

Qty in Cart: 0

Price:

MSRP:

$13.92

Was:

Subtotal:
FREE SHIPPING OVER $249

Black Non-Illuminated Momentary Toggle Switch, 20A At 12V, 2 Terminals W/ .250 Tabs For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.91

Was:

Non-Illuminated Momentary Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Black* 2 Terminals, .250 Tabs* Fits 1/2 Inch Hole And 2650E And 2950F Panel Mounts*...

09-16200024

SKU:

09-16200024

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$4.91

Was:

Qty in Cart: 0

Price:

MSRP:

$4.91

Was:

Subtotal:
FREE SHIPPING OVER $249

3 Position Universal Fused Push Pull Switch, 16A At 12V For 1/2 Inch Panel Mount

AFTERMARKET

MSRP:

$13.93

Was:

3 Position Fused Push Pull Switch That Fits 1/2 Inch Panel Mount And Includes Glass FuseNeed a reliable switch for your headlamp operation? This 3-position universal fused push-pull switch is a solid...

09-16200061

SKU:

09-16200061

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$13.93

Was:

Qty in Cart: 0

Price:

MSRP:

$13.93

Was:

Subtotal:
FREE SHIPPING OVER $249

Black Miniature Rocker Switch W/ Red LED , 16A At 12V For 7/8 Inch x 1-1/2 Inch Slot

AFTERMARKET

MSRP:

$8.56

Was:

Miniature Rocker Switch W/ Red LED, 16A At 12V, 4 Terminals W/ .250 Tabs That Fits 7/8 Inch x 1-1/2 Inch SlotBlack standard rocker switch with red LED illumination, rated for 16 amps at 12V,...

09-16200044

SKU:

09-16200044

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$8.56

Was:

Qty in Cart: 0

Price:

MSRP:

$8.56

Was:

Subtotal:
FREE SHIPPING OVER $249

Illuminated Amber Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

AFTERMARKET

MSRP:

$7.49

Was:

Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Jumbo Rocker Switch* Amber* Incandescent Illumination* Rated 16A At 12V* Single Throw:...

09-16200040

SKU:

09-16200040

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
FREE SHIPPING OVER $249

Illuminated Red Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

AFTERMARKET

MSRP:

$7.49

Was:

Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Jumbo Rocker Switch* Red* Incandescent Illumination* Rated 16A At 12V* Single Throw:...

09-16200012

SKU:

09-16200012

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
FREE SHIPPING OVER $249

Blue Illuminated Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.92

Was:

Illuminated Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch HoleBlue illuminated toggle switch rated for 20 amps at 12V, featuring SPST (Single Pole Single Throw) design with incandescent...

09-16200036

SKU:

09-16200036

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$4.92

Was:

Qty in Cart: 0

Price:

MSRP:

$4.92

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

Illuminated Red Rocker Switch , 20A At 12V For 7/16 Inch x 1-1/8 Inch Slot

AFTERMARKET

MSRP:

Now: $1.20

Was: $4.82

Illuminated Rocker Switch, 20A At 12V, 3 Terminals W/ .250 Tabs That Fits 7/16 Inch x 1-1/8 Inch Slot* High Quality Rocker Switch* Red* Incandescent Illumination* Mounted On Panel 2651E And 2953F*...

09-16200008

SKU:

09-16200008

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $1.20

Was: $4.82

Qty in Cart: 0

Price:

MSRP:

Now: $1.20

Was: $4.82

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

Round Panel Mount, 1/2 Inch Round Hole

AFTERMARKET

MSRP:

Now: $0.41

Was: $1.22

Round Panel Mount W/ A 1/2 Inch Round HoleRound panel mount designed for 1/2 inch hole applications, allowing convenient switch mounting on any suitable surface.* High Quality Panel Mount * Round *...

09-16200032

SKU:

09-16200032

Truck Class:

Universal

Color:

Black

Material Options:

Plastic/Poly

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.41

Was: $1.22

Qty in Cart: 0

Price:

MSRP:

Now: $0.41

Was: $1.22

Subtotal:
FREE SHIPPING OVER $249

Green Illuminated Duckbill Toggle Switch, 20A At 12V, 3 Terminals W/ .250 Tabs For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.92

Was:

Illuminated Duckbill Toggle Switch, Rated For 20A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Green* Duckbill Style* 3 Terminals, .250 Tabs* Incandescent Bulb* Fits 1/2 Inch Hole And...

09-16200004

SKU:

09-16200004

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$4.92

Was:

Qty in Cart: 0

Price:

MSRP:

$4.92

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

LED Amber Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

AFTERMARKET

MSRP:

Now: $2.39

Was: $4.82

LED Oval Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Rocker Switch* Amber LED* Oval* Mounted On Panel 2650E And 2950E* Rated 16A At 12V * Single Throw:...

09-16200049

SKU:

09-16200049

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $2.39

Was: $4.82

Qty in Cart: 0

Price:

MSRP:

Now: $2.39

Was: $4.82

Subtotal:
FREE SHIPPING OVER $249

Red Aircraft Style Toggle Switch Cover For Standard 1/2 Inch To 3/4 Inch Stem

AFTERMARKET

MSRP:

$7.49

Was:

Aircraft Style Toggle Switch Cover, Fits Standard 1/2 Inch To 3/4 Inch StemAircraft-style red toggle switch cover designed to prevent accidental switch operation. Fits standard 1/2 inch to 3/4 inch...

09-16200028

SKU:

09-16200028

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$7.49

Was:

Qty in Cart: 0

Price:

MSRP:

$7.49

Was:

Subtotal:
FREE SHIPPING OVER $249

Weather Proof Toggle Switch Boot For Standard 1/2 Inch To 3/4 Inch Stem

AFTERMARKET

MSRP:

$4.93

Was:

Weather Proof Toggle Switch Boot, Fits Standard 1/2 Inch To 3/4 Inch Stem* High Quality Toggle Switch Boot* Fits Standard 1/2 Inch To 3/4 Inch Stem* Weatherproof For Dust And Moisture Protection*...

09-16200022

SKU:

09-16200022

Truck Class:

Universal

Color:

Black

Material Options:

Rubber

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$4.93

Was:

Qty in Cart: 0

Price:

MSRP:

$4.93

Was:

Subtotal:

Total: items /

Adding your products to cart

View Cart Continue Shopping

Items 561 to 580 of 1119 total

Upgrade your Chevrolet GMC 3500 Truck with essential safety, air, and electrical components for top performance. This product lineup includes trailer wiring, air brake parts, and safety accessories to ensure a smooth and reliable ride.

Frequently Asked Questions About Chevrolet GMC 3500 Truck Safety, Air & Electrical

What kinds of products are included in this category?

This category covers safety, air system, and electrical components for Chevrolet and GMC 3500 trucks, including items such as air horns, air lines and fittings, wiring components, lighting relays, switches, backup alarms, and related electrical accessories used to keep your truck safe, visible, and running the way it should.

Will these parts fit my specific model year of Chevrolet or GMC 3500?

Fitment can vary by model year and cab configuration, so it is important to check the compatibility details listed on each product page before ordering. If you are unsure whether a part matches your truck, our team can help you confirm fitment based on your VIN or truck specs before you buy.

Do these electrical and air components meet DOT requirements?

Many safety-related items, such as lighting and air system components, are manufactured to meet applicable DOT standards, and this will be noted on the product listing when it applies. If DOT compliance is required for your application, we recommend reviewing the specific product details or reaching out to us to confirm before purchasing.

Are these parts easy to install myself, or should I have a professional do it?

Some items, like switches or basic wiring accessories, are straightforward for anyone comfortable with basic tools and wiring. Others, such as air system components or more involved electrical installs, may require prior experience with truck electrical or air systems, or a qualified technician, to ensure everything is installed safely and functions correctly.

What should I do if a part arrives damaged or does not work as expected?

If a product arrives damaged, defective, or does not match what you ordered, contact our customer service team as soon as possible so we can help with a return, replacement, or troubleshooting. Keeping your order details handy will help us resolve the issue quickly.