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

22-18 AWG Red 3-Way Crimp Seal Heat Shrink Connector - 5 PCS

AFTERMARKET

MSRP:

$11.12

Was:

22-18 AWG 3-Way Heat Shrink Connector* High Quality Heat Shrink Connector* Red* 5 Pieces* 22-18 AWG * 3-Way * Y Shaped* Adhesive-Lined To Seal The Connection And Prevent Corrosion* The Translucent...

09-16030140

SKU:

09-16030140

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$11.12

Was:

Qty in Cart: 0

Price:

MSRP:

$11.12

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

22-18 AWG Red Crimp Seal Heat Shrink Spade Terminal For NO. 8 Stud - 10 PCS

AFTERMARKET

MSRP:

Now: $1.91

Was: $9.81

22-18 AWG Heat Shrink Spade Terminal For NO. 8 Stud - 10 PCS* High Quality Heat Shrink Spade Terminal* Red* 10 Pieces* 22-18 AWG * No. 8 Stud * Adhesive-Lined To Seal The Connection* The Translucent...

09-16030139

SKU:

09-16030139

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $1.91

Was: $9.81

Qty in Cart: 0

Price:

MSRP:

Now: $1.91

Was: $9.81

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Crimp Seal Heat Shrink Spade Terminal For NO. 6 Stud - 10 PCS

AFTERMARKET

MSRP:

$10.01

Was:

22-18 AWG Heat Shrink Spade Terminal For NO. 6 Stud - 10 PCS* High Quality Heat Shrink Spade Terminal* Red* 10 Pieces* 22-18 AWG * No. 6 Stud * Adhesive-Lined To Seal The Connection* The Translucent...

09-16030138

SKU:

09-16030138

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$10.01

Was:

Qty in Cart: 0

Price:

MSRP:

$10.01

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red CS Heat Shrink Push On Male Disconnect, .250 Tab - 10 Pack

AFTERMARKET

MSRP:

$11.12

Was:

22-18 AWG Crimp Seal Fully Insulated Push On Male Disconnect W/ .250 Tab* High Quality Male Disconnect* Red* 10 Pieces* 22-18 AWG, .250 Tab * Push-On Style* Fully Insulated * Heat Shrink Terminals...

09-16030137

SKU:

09-16030137

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$11.12

Was:

Qty in Cart: 0

Price:

MSRP:

$11.12

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink CS Push On Female Disconnect, .250 Tab - 10 Pack

AFTERMARKET

MSRP:

$11.12

Was:

Crimp Seal Push On Female Disconnect For 22-18 AWG Wires W/ .250 Tab - 10 PCS* High Quality Insulated Female Disconnect* Red* 10 Pieces* 22-18 AWG, .250 Tab * Push-On Style* Heat Shrink Terminals...

09-16030136

SKU:

09-16030136

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$11.12

Was:

Qty in Cart: 0

Price:

MSRP:

$11.12

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

22-18 AWG Red Crimp Seal Heat Shrink Hook Terminal For NO. 10 Stud - 5 PCS

AFTERMARKET

MSRP:

Now: $2.78

Was: $6.26

22-18 AWG Heat Shrink Hook Terminal For NO. 10 Stud* High Quality Heat Shrink Hook Terminal* Red* 5 Pieces* 22-18 AWG* No. 10 Stud* Adhesive-Lined To Seal The Connection* The Translucent Tubing...

09-16030135

SKU:

09-16030135

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $2.78

Was: $6.26

Qty in Cart: 0

Price:

MSRP:

Now: $2.78

Was: $6.26

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink Ring Terminal For 5/16 Inch Stud - 5 Pack

AFTERMARKET

MSRP:

$6.40

Was:

Insulated Ring Terminal For 5/16 Inch Stud And 22-18 AWG Wires* High Quality Heat Shrink Ring Terminal* Red* 5 Pieces* 22-18 AWG* 5/16 Inch Stud* ARE Adhesive-Lined To Seal The Connection And Prevent...

09-16030134

SKU:

09-16030134

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$6.40

Was:

Qty in Cart: 0

Price:

MSRP:

$6.40

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink Ring Terminal For 1/4 Inch Stud - 5 Pack

AFTERMARKET

MSRP:

$6.40

Was:

Insulated Ring Terminal For 1/4 Inch Stud And 22-18 AWG Wires* High Quality Heat Shrink Ring Terminal* Red* 5 Pieces* 22-18 AWG* 1/4 Inch Stud* ARE Adhesive-Lined To Seal The Connection And Prevent...

09-16030133

SKU:

09-16030133

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$6.40

Was:

Qty in Cart: 0

Price:

MSRP:

$6.40

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink Ring Terminal, Size 10 Stud, 5 Pack

AFTERMARKET

MSRP:

$6.27

Was:

Insulated Ring Terminal For NO. 10 Stud And 22-18 AWG Wires* High Quality Heat Shrink Ring Terminal* Red* 5 Pieces* 22-18 AWG* No. 10 Stud* ARE Adhesive-Lined To Seal The Connection And Prevent...

09-16030132

SKU:

09-16030132

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$6.27

Was:

Qty in Cart: 0

Price:

MSRP:

$6.27

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink Ring Terminal For NO. 8 Stud - 5 Pack

AFTERMARKET

MSRP:

$6.27

Was:

Insulated Ring Terminal For NO. 8 Stud And 22-18 AWG Wires* High Quality Heat Shrink Ring Terminal* Red* 5 Pieces* 22-18 AWG* No. 8 Stud* ARE Adhesive-Lined To Seal The Connection And Prevent...

09-16030131

SKU:

09-16030131

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$6.27

Was:

Qty in Cart: 0

Price:

MSRP:

$6.27

Was:

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

22-18 AWG Red Heat Shrink Ring Terminal For NO. 6 Stud - 5 Pack

AFTERMARKET

MSRP:

Now: $3.01

Was: $6.39

Insulated Ring Terminal For NO. 6 Stud And 22-18 AWG Wires* High Quality Heat Shrink Ring Terminal* Red* 5 Pieces* 22-18 AWG* No. 6 Stud* ARE Adhesive-Lined To Seal The Connection And Prevent...

09-16030130

SKU:

09-16030130

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $3.01

Was: $6.39

Qty in Cart: 0

Price:

MSRP:

Now: $3.01

Was: $6.39

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red Heat Shrink Butt Connector - 5 PCS

AFTERMARKET

MSRP:

$11.12

Was:

Red Heat Shrink Butt Connector* High Quality Butt Connector* Red* 5 Pieces* 22-18 AWG* Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* Crimp And Solder Seal Terminals Feature A...

09-16030129

SKU:

09-16030129

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$11.12

Was:

Qty in Cart: 0

Price:

MSRP:

$11.12

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red SS Heat Shrink Butt Connector - 5 PCS

AFTERMARKET

MSRP:

$11.12

Was:

Red SS Heat Shrink Butt Connector* High Quality Butt Connector* Red* 5 Pieces* 22-18 AWG * Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* Heat Shrink Solder Seal Terminals...

09-16030128

SKU:

09-16030128

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$11.12

Was:

Qty in Cart: 0

Price:

MSRP:

$11.12

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG Red CS Heat Shrink Butt Connector - 5 PCS

AFTERMARKET

MSRP:

$6.39

Was:

Red CS Heat Shrink Butt Connector* High Quality Butt Connector* Red* 5 Pieces* 22-18 AWG* Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The Translucent Tubing Allows For...

09-16030127

SKU:

09-16030127

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$6.39

Was:

Qty in Cart: 0

Price:

MSRP:

$6.39

Was:

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

24-22 AWG Clear CS Heat Shrink Butt Connector - 5 PCS

AFTERMARKET

MSRP:

Now: $2.96

Was: $6.26

Clear CS Heat Shrink Butt Connector* High Quality Butt Connector* 5 Pieces* 24-22 AWG * Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The Translucent Tubing Allows For Visual...

09-16030126

SKU:

09-16030126

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $2.96

Was: $6.26

Qty in Cart: 0

Price:

MSRP:

Now: $2.96

Was: $6.26

Subtotal:
FREE SHIPPING OVER $249

12-10 To 8 AWG Red CS Heat Shrink Step-Down Butt Connector - 10 PCS

AFTERMARKET

MSRP:

$27.82

Was:

Red CS Heat Shrink Step-Down Butt Connector* High Quality Butt Connector* Red* 10 Pieces* 12-10 To 8 AWG* Step- Down* Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The...

09-16030125

SKU:

09-16030125

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$27.82

Was:

Qty in Cart: 0

Price:

MSRP:

$27.82

Was:

Subtotal:
FREE SHIPPING OVER $249

16-14 To 12-10 AWG Yellow CS Heat Shrink Step-Down Butt Connector - 10 PCS

AFTERMARKET

MSRP:

$18.92

Was:

Yellow CS Heat Shrink Step-Down Butt Connector* High Quality Butt Connector* Yellow* 10 Pieces* 16-14 To 12-10 AWG * Heat Shrink Step-Down* Terminals Have Been Adhesive-Lined To Seal The Connection*...

09-16030124

SKU:

09-16030124

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$18.92

Was:

Qty in Cart: 0

Price:

MSRP:

$18.92

Was:

Subtotal:
FREE SHIPPING OVER $249

20-18 To 16-14 AWG Blue CS Heat Shrink Step-Down Butt Connector - 10 PCS

AFTERMARKET

MSRP:

$14.46

Was:

Blue CS Heat Shrink Step-Down Butt Connector* High Quality Butt Connector* Blue* 10 Pieces* 20-18 To 16-14 AWG * Step- Down* Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The...

09-16030123

SKU:

09-16030123

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$14.46

Was:

Qty in Cart: 0

Price:

MSRP:

$14.46

Was:

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Clear W/ Yellow CS Heat Shrink Butt Connector - 10 PCS

AFTERMARKET

MSRP:

$20.03

Was:

Clear W/ Yellow CS Heat Shrink Butt Connector* High Quality Butt Connector* Clear With Yellow Strip* 10 Pieces* 12-10 AWG * Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The...

09-16030122

SKU:

09-16030122

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$20.03

Was:

Qty in Cart: 0

Price:

MSRP:

$20.03

Was:

Subtotal:
FREE SHIPPING OVER $249

16-14 AWG Clear W/ Blue CS Heat Shrink Butt Connector - 10 PCS

AFTERMARKET

MSRP:

$12.23

Was:

Clear W/ Blue CS Heat Shrink Butt Connector* High Quality Butt Connector* Clear With Blue Stripe* 10 Pieces* 16-14 AWG* Heat Shrink Terminals Have Been Adhesive-Lined To Seal The Connection* The...

09-16030121

SKU:

09-16030121

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$12.23

Was:

Qty in Cart: 0

Price:

MSRP:

$12.23

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.