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

4 Position Junction Block, 30A 300V, 2 Screws Per Position

AFTERMARKET

MSRP:

$7.60

Was:

30A 300V 4 Position Junction Block* High Quality Junction Block* 4 Position * 30 Amp 300 Volts * Each Position Has 2 Screws For Connection* 7/32 Inch Holes* Works Well With Rings And Spades Listed...

09-16190023

SKU:

09-16190023

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$7.60

Was:

Qty in Cart: 0

Price:

MSRP:

$7.60

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

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

AFTERMARKET

MSRP:

Now: $3.09

Was: $7.34

Non-Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch HoleHeavy-duty black jumbo rocker switch rated for 16 amps at 12V, featuring SPST (Single Pole Single...

09-16200043

SKU:

09-16200043

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $3.09

Was: $7.34

Qty in Cart: 0

Price:

MSRP:

Now: $3.09

Was: $7.34

Subtotal:
FREE SHIPPING OVER $249

Red And Blue Illuminated Panel Mounted Duckbill Toggle Switch, 20A At 12V, 2950F Combo

AFTERMARKET

MSRP:

$10.39

Was:

Illuminated Panel Mounted Duckbill Toggle Switch, Rated For 20A At 12V,* High Quality Toggle Switch* Red And Blue* Duckbill Style* Incandescent Illumination* Mounted On Panel 2950F* Rated At 20A At...

09-16200039

SKU:

09-16200039

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$10.39

Was:

Qty in Cart: 0

Price:

MSRP:

$10.39

Was:

Subtotal:
Limited Quantity Available

FREE SHIPPING OVER $249

British/ Japanese Vehicle Fuse Kit

AFTERMARKET

MSRP:

$3.67

Was:

British/ Japanese Vehicle Fuse Kit W/ 5, 7.5, 10, 15, 20, 30 AMP AGC Glass Fuses* High Quality Fuse Kit * Glass* For British/Japanese Vehicles* 6 Pieces - 5. 7.5. 10. 15. 20. 30 Amp AGC Fuses * 1/4...

09-16190011

SKU:

09-16190011

Diameter Options:

1/4 Inch

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.67

Was:

Qty in Cart: 0

Price:

MSRP:

$3.67

Was:

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

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

AFTERMARKET

MSRP:

Now: $3.37

Was: $4.82

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

09-16200035

SKU:

09-16200035

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $3.37

Was: $4.82

Qty in Cart: 0

Price:

MSRP:

Now: $3.37

Was: $4.82

Subtotal:
FREE SHIPPING OVER $249

ATC / ATO Fuse Kit 5, 10, 15, 20, 25, 30 AMP Fuses - 6 PCS

AFTERMARKET

MSRP:

$3.75

Was:

ATC/ATO Fuse Kit W/ 5, 10, 15, 20, 25, 30 AMP FusesThe ATC/ATO fuse is a fast-acting blade fuse commonly used for vehicle circuit protection. It's easy to identify and replace, making it suitable for...

09-16190007

SKU:

09-16190007

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.75

Was:

Qty in Cart: 0

Price:

MSRP:

$3.75

Was:

Subtotal:
FREE SHIPPING OVER $249

Glass Fuse Power Tap Adapter W/.250 Tabs - 19 PCS

AFTERMARKET

MSRP:

$3.83

Was:

Electrical Wiring Brass 0.250" Male Tab Fuse Tap Terminal* High Quality Glass Fuse Power Tap* .250 Tab* 19 Piece Set * Sold As Set* Warranty On Glass Fuse Power Taps Against Defects In Workmanship &...

09-16190003

SKU:

09-16190003

Truck Class:

Universal

Material Options:

Brass

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.83

Was:

Qty in Cart: 0

Price:

MSRP:

$3.83

Was:

Subtotal:
FREE SHIPPING OVER $249

Rectangular Gold Distribution Block W/ 1 - 4 AWG Input & 4 - 8 AWG Outputs

AFTERMARKET

MSRP:

$23.37

Was:

Corrosion Resistant Rectangular Distribution Block W/ 4 AWG Input & 8 AWG Outputs* High Quality Distribution Block* Rectangular* 24K Hard Gold-Plated Hardware And Is Resistant To Corrosion* 1- 4 AWG...

09-16190024

SKU:

09-16190024

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$23.37

Was:

Qty in Cart: 0

Price:

MSRP:

$23.37

Was:

Subtotal:
FREE SHIPPING OVER $249

Heavy Duty Toggle Switch, 25A At 12V, 2 Screw Terminals For 1/2 Inch Hole

AFTERMARKET

MSRP:

$4.91

Was:

Heavy Duty Toggle Switch, Rated For 25A At 12V, Fits 1/2 Inch Hole* High Quality Toggle Switch* Heavy - Duty* Rated 25A At 12V SPDT* 2 Screw Terminals* Fits 1/2 Inch Hole* Works With 2650E And 2950F...

09-16200025

SKU:

09-16200025

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$4.91

Was:

Qty in Cart: 0

Price:

MSRP:

$4.91

Was:

Subtotal:
FREE SHIPPING OVER $249

ATC / ATO HD Fuse Holder, 1-30A, 12AWG GXL Leads, Waterproof

AFTERMARKET

MSRP:

$14.46

Was:

1-30 AMP Water Proof In-Line Fuse Holder W/ Protective Cap & 12 AWG WiresKeep your circuit safe with this heavy-duty, waterproof in-line fuse holder for 1-30 AMP ATC/ATO fuses. It's perfect for both...

09-16190020

SKU:

09-16190020

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$14.46

Was:

Qty in Cart: 0

Price:

MSRP:

$14.46

Was:

Subtotal:
FREE SHIPPING OVER $249

SFE Glass Fuse Kit - 9, 14, 20, 30 AMP Fuses - 8 Piece

AFTERMARKET

MSRP:

$3.75

Was:

SFE Glass Fuse Kit W/ 9, 14, 20, 30 AMP Fuses* High Quality Fuse Kit * Glass* SFE * 8 Pieces - 9. 14. 20. 30 Amp Fuses * 1/4 Inch Diameter * 1 1/4 Inch In Length* Is Fast-Acting For Maximum...

09-16190012

SKU:

09-16190012

Diameter Options:

1/4 Inch

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$3.75

Was:

Qty in Cart: 0

Price:

MSRP:

$3.75

Was:

Subtotal:
FREE SHIPPING OVER $249

Female To Double Male Flat Adapter W/ .250 Tab - 16 PCS

AFTERMARKET

MSRP:

$3.83

Was:

.250 Tab Female To Double Male Flat Adapter* High Quality Female To Double Male Tab Flat Adapter* .250 Tab* 16 Piece Set* Sold As Set* Warranty On Female To Double Male Tab Flat Adapters Against...

09-16190008

SKU:

09-16190008

Truck Class:

Universal

Material Options:

Brass

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.83

Was:

Qty in Cart: 0

Price:

MSRP:

$3.83

Was:

Subtotal:
FREE SHIPPING OVER $249

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

AFTERMARKET

MSRP:

$4.92

Was:

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* Amber* Incandescent Illumination* Mounted On Panel 2651E And 2953F*...

09-16200009

SKU:

09-16200009

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$4.92

Was:

Qty in Cart: 0

Price:

MSRP:

$4.92

Was:

Subtotal:
FREE SHIPPING OVER $249

ATC/ATO And Mini Fuse Puller/Tester Tool Installed W/ 2 LR41 Batteries

AFTERMARKET

MSRP:

$15.29

Was:

ATC/ATO And Mini Fuse Puller/Tester Tool Installed W/ 2 LR41 BatteriesThe ATC/ATO and mini fuse puller/tester tool is a convenient device that comes with two LR41 alkaline batteries included. To test...

09-16190004

SKU:

09-16190004

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$15.29

Was:

Qty in Cart: 0

Price:

MSRP:

$15.29

Was:

Subtotal:
FREE SHIPPING OVER $249

Blue 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* Blue* Duckbill Style* 3 Terminals, .250 Tabs* Incandescent Bulb* Fits 1/2 Inch Hole And 2650E...

09-16200005

SKU:

09-16200005

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

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

AFTERMARKET

MSRP:

$3.69

Was:

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

09-16200001

SKU:

09-16200001

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.69

Was:

Qty in Cart: 0

Price:

MSRP:

$3.69

Was:

Subtotal:
FREE SHIPPING OVER $249

6 Position 30A 600V ATC/ATO Fuse Block, 2 Screws Per Position

AFTERMARKET

MSRP:

$37.84

Was:

6 Position 30A 600V ATC/ATO Fuse BlockThe 6 Position ATC/ATO Fuse Block by JTT Products supports fuses rated up to 30 amps and 600 volts. Each position has two screws for connections. The block also...

09-16190022

SKU:

09-16190022

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$37.84

Was:

Qty in Cart: 0

Price:

MSRP:

$37.84

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

Maxi Fuse Kit With 20, 30, 40, 50, 60, 80 AMP Fuses

AFTERMARKET

MSRP:

Now: $4.00

Was: $16.06

Maxi Fuse Kit W/ 20, 30, 40, 50, 60, 80 AMP Fusesdo not try to over sell do not start with introducing be conversational but professional no fancy wordsGet your hands on the JTT Products Maxi Fuse...

09-16190014

SKU:

09-16190014

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $4.00

Was: $16.06

Qty in Cart: 0

Price:

MSRP:

Now: $4.00

Was: $16.06

Subtotal:
FREE SHIPPING OVER $249

American Vehicle Fuse Kit, Includes 5, 9, 14, 15, 20, 30 AMP Fuses - 6 PCS

AFTERMARKET

MSRP:

$3.75

Was:

American Vehicle Fuse Kit W/ 5, 9, 14, 15, 20, 30 AMP FusesAGC fuses offer fast-acting protection for your electronic circuits. Measuring 1/4 inch in diameter and 1 1/4 inches long, each fuse has its...

09-16190010

SKU:

09-16190010

Diameter Options:

1/4 Inch

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.75

Was:

Qty in Cart: 0

Price:

MSRP:

$3.75

Was:

Subtotal:
FREE SHIPPING OVER $249

Non-Insulated Piggyback Adapters W/ .250 Tabs - 12 PCS

AFTERMARKET

MSRP:

$3.82

Was:

Non-Insulated Piggyback Adapters With M/FM/M .250 Tabs* High Quality Non-Insulated Piggyback Adapter * .250 Tab* 12 Piece Set* M/FM/M* Sold As Set* Warranty On Non-Insulated Piggyback Adapter Against...

09-16190006

SKU:

09-16190006

Truck Class:

Universal

Material Options:

Brass

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.82

Was:

Qty in Cart: 0

Price:

MSRP:

$3.82

Was:

Subtotal:

Total: items /

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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.