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
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Subtotal

FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Pin Terminal - 8 PCS

AFTERMARKET

MSRP:

$3.75

Was:

12-10 AWG Insulated Pin Terminal* High Quality Insulated Pin Terminal* Vinyl* Yellow* 8 Pieces* 12-10 AWG * PVC Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove Serrations To...

09-16030089

SKU:

09-16030089

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

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:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

12-10 AWG Yellow Insulated Vinyl Hook Terminal For NO. 10 Stud - 4 PCS

AFTERMARKET

MSRP:

Now: $0.81

Was: $3.68

12-10 AWG Insulated Vinyl Hook Terminal For NO. 10 Stud* High Quality Insulated Hook Terminal* Vinyl* Yellow* 4 Pieces* 12-10 AWG * No. 10 Stud* PVC Injection Molded With Funnel Entry For Fast Easy...

09-16030088

SKU:

09-16030088

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.81

Was: $3.68

Qty in Cart: 0

Price:

MSRP:

Now: $0.81

Was: $3.68

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Spade Terminal For NO.10 Stud

AFTERMARKET

MSRP:

Now: $1.01

Was: $3.70

12-10 AWG Insulated Spade Terminal For NO.10 Stud* High Quality Vinyl Insulated Spade Terminal* Yellow* 12-10 AWG * No. 10 Stud* 14 Piece Set* PVC Injection Molded With Funnel Entry For Fast Easy...

09-16030087

SKU:

09-16030087

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $1.01

Was: $3.70

Qty in Cart: 0

Price:

MSRP:

Now: $1.01

Was: $3.70

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Ring Terminal For 1/2 Inch Stud - 7 Pack

AFTERMARKET

MSRP:

$3.75

Was:

Insulated Ring Terminal For 1/2 Inch Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * 1/2 Inch Stud* 7 Piece Set* PVC Injection Molded With Funnel Entry For...

09-16030086

SKU:

09-16030086

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

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

12-10 AWG Yellow Vinyl Ring Terminal For 3/8 Inch Stud - 12 Pack

AFTERMARKET

MSRP:

$3.77

Was:

Insulated Ring Terminal For 3/8 Inch Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * 3/8 Inch Stud* 12 Piece Set* PVC Injection Molded With Funnel Entry For...

09-16030085

SKU:

09-16030085

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.77

Was:

Qty in Cart: 0

Price:

MSRP:

$3.77

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Ring Terminal For 5/16 Inch Stud - 12 Pack

AFTERMARKET

MSRP:

Now: $0.89

Was: $3.70

Insulated Ring Terminal For 5/16 Inch Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * 5/16 Inch* 12 Piece Set* PVC Injection Molded With Funnel Entry For...

09-16030084

SKU:

09-16030084

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.89

Was: $3.70

Qty in Cart: 0

Price:

MSRP:

Now: $0.89

Was: $3.70

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Ring Terminal For 1/4 Inch Stud - 12 Pack

AFTERMARKET

MSRP:

$3.77

Was:

Insulated Ring Terminal For 1/4 Inch Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * 1/4 Inch Stud* 12 Piece Set* PVC Injection Molded With Funnel Entry For...

09-16030083

SKU:

09-16030083

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

$3.77

Was:

Qty in Cart: 0

Price:

MSRP:

$3.77

Was:

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Ring Terminal For NO. 10 Stud - 14 Pack

AFTERMARKET

MSRP:

$3.75

Was:

Insulated Ring Terminal For NO. 10 Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 AWG * No. 10 Stud* 14 Piece Set* PVC Injection Molded With Funnel Entry For Fast...

09-16030082

SKU:

09-16030082

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

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

12-10 AWG Yellow Vinyl Ring Terminal For NO. 8 Stud - 14 Pack

AFTERMARKET

MSRP:

$3.75

Was:

Insulated Ring Terminal For NO. 8 Stud And 12-10 AWG Wires* High Quality Vinyl Insulated Ring Terminal* Yellow* 12-10 * AWG No. 8 Stud* 14 Piece Set* PVC Injection Molded With Funnel Entry For Fast...

09-16030081

SKU:

09-16030081

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

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

16-14 AWG Blue 3 Way Nylon Connector - 4 PCS

AFTERMARKET

MSRP:

$3.75

Was:

16-14 AWG 3 Way Insulated Connector* High Quality Insulated Connector* Nylon* Blue* 4 Pieces* 16-14 AWG * 3-Way * Y Shaped* Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove...

09-16030080

SKU:

09-16030080

Color:

Blue

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

16-14 AWG Blue 4 Way Nylon Connector - 4 PCS

AFTERMARKET

MSRP:

$3.75

Was:

16-14 AWG 4 Way Insulated Connector* High Quality Insulated Connector* Nylon* Blue* 4 Pieces* 16-14 AWG * 4-Way * X Shaped* Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove...

09-16030079

SKU:

09-16030079

Truck Class:

Universal

Color:

Blue

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$3.75

Was:

Qty in Cart: 0

Price:

MSRP:

$3.75

Was:

Subtotal:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

12-10 AWG Yellow Nylon Push On Male Disconnect, .250 Tab - 7 Pack

AFTERMARKET

MSRP:

Now: $0.93

Was: $3.68

12-10 AWG Fully Insulated Push On Male Disconnect W/ .250 Tab* High Quality Male Disconnect* Nylon* Yellow* 7 Pieces* 12-10 AWG, .250 Tab * Push-On Style * Fully Insulated * Injection Molded With...

09-16030077

SKU:

09-16030077

Color:

Yellow

Truck Class:

Universal

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.93

Was: $3.68

Qty in Cart: 0

Price:

MSRP:

Now: $0.93

Was: $3.68

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Push On Male Disconnect, .250 Tab - 15 Pack

AFTERMARKET

MSRP:

$3.75

Was:

12-10 AWG Insulated Push On Male Disconnect W/ .250 Tab* High Quality Male Disconnect* Vinyl* Yellow* 15 Pieces* 12-10 AWG, .250 Tab * Push-On Style * Insulated * PVC Injection Molded With Funnel...

09-16030076

SKU:

09-16030076

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

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

12-10 AWG Yellow Nylon Push On Female Disconnect, .250 Tab - 7 Pack

AFTERMARKET

MSRP:

$3.75

Was:

Fully Insulated Push On Female Disconnect For 12-10 AWG Wires W/ .250 Tab - 7 PCS* High Quality Insulated Female Disconnect* Nylon* Yellow* 7 Pieces* 12-10 AWG, .250 Tab * Push-On Style* Injection...

09-16030075

SKU:

09-16030075

Truck Class:

Universal

Color:

Yellow

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

MSRP:

$3.75

Was:

Qty in Cart: 0

Price:

MSRP:

$3.75

Was:

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

12-10 AWG Yellow Vinyl Push On Female Disconnect, .375 Tab - 7 Pack

AFTERMARKET

MSRP:

Now: $1.72

Was: $3.68

Insulated Push On Female Disconnect For 12-10 AWG Wires W/ .375 Tab - 7 PCS* High Quality Insulated Female Disconnect* Vinyl* Yellow* 7 Pieces* 12-10 AWG, .375 Tab * Push-On Style* PVC Injection...

09-16030074

SKU:

09-16030074

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $1.72

Was: $3.68

Qty in Cart: 0

Price:

MSRP:

Now: $1.72

Was: $3.68

Subtotal:
On Sale

FREE SHIPPING OVER $249

Limited Quantity Available

12-10 AWG Yellow Vinyl Push On Female Disconnect, .250 Tab - 15 Pack

AFTERMARKET

MSRP:

Now: $0.84

Was: $3.68

Insulated Push On Female Disconnect For 12-10 AWG Wires W/ .250 Tab - 15 PCS* High Quality Insulated Female Disconnect* Vinyl* Yellow* 15 Pieces* 12-10 AWG, .250 Tab * Push-On Style* PVC Injection...

09-16030073

SKU:

09-16030073

Color:

Yellow

Truck Class:

Universal

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.84

Was: $3.68

Qty in Cart: 0

Price:

MSRP:

Now: $0.84

Was: $3.68

Subtotal:
FREE SHIPPING OVER $249

12-10 AWG Yellow Nylon Insulated Butt Connector - 8 PCS

AFTERMARKET

MSRP:

$3.75

Was:

Yellow Nylon Insulated Butt Connector* High Quality Insulated Butt Connector* Nylon* Yellow* 8 Pieces* 12-10 AWG* Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove Serrations...

09-16030072

SKU:

09-16030072

Color:

Yellow

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:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

12-10 AWG Yellow Vinyl Insulated Butt Connector - 14 PCS

AFTERMARKET

MSRP:

Now: $0.89

Was: $3.70

Yellow Vinyl Insulated Butt Connector* High Quality Insulated Butt Connector* Vinyl* Yellow* 14 Pieces* 12-10 AWG* PVC Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove...

09-16030071

SKU:

09-16030071

Truck Class:

Universal

Color:

Yellow

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $0.89

Was: $3.70

Qty in Cart: 0

Price:

MSRP:

Now: $0.89

Was: $3.70

Subtotal:
FREE SHIPPING OVER $249

16-14 AWG Blue Vinyl Pin Terminal - 12 PCS

AFTERMARKET

MSRP:

$3.75

Was:

16-14 AWG Insulated Pin Terminal - 12 PCS* High Quality Insulated Pin Terminal* Vinyl* Blue* 12 Pieces* 16-14 AWG * PVC Injection Molded With Funnel Entry For Fast Easy Wire Insertion* V Groove...

09-16030069

SKU:

09-16030069

Color:

Blue

Truck Class:

Universal

Material Options:

Vinyl

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:
On Sale

Limited Quantity Available

FREE SHIPPING OVER $249

16-14 AWG Blue Insulated Vinyl Hook Terminal For NO. 10 Stud - 6 PCS

AFTERMARKET

MSRP:

Now: $1.77

Was: $3.68

16-14 AWG Insulated Vinyl Hook Terminal For NO. 10 Stud - 6 PCS* High Quality Insulated Hook Terminal* Vinyl* Blue* 6 Pieces* 16-14 AWG * No. 10 Stud* PVC Injection Molded With Funnel Entry For Fast...

09-16030068

SKU:

09-16030068

Color:

Blue

Truck Class:

Universal

Material Options:

Vinyl

Make:

Universal Items

Product Type:

Air, Electrical, & Safety

Ready To Ship:

Yes

MSRP:

Now: $1.77

Was: $3.68

Qty in Cart: 0

Price:

MSRP:

Now: $1.77

Was: $3.68

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.