Peterbilt 379 Parts

At 4 State Trucks, you’ll find everything you need to keep your iconic 379 model running strong and looking sharp. From bumpers and exhausts to fuel tanks, fenders, and chrome trim, we’ve got Peterbilt accessories and parts designed to fit your specific model year (87’ – 07’). Whether it’s a full-body restoration, a small component replacement, or a custom upgrade, our lineup has what you need.

Product
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Quantity
Price
Subtotal

Splitter Button for Eaton Fuller 13 Speed Shifter

UNITED PACIFIC

MSRP:

Now: $8.10 - $8.12

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCadmium Orange Splitter Button For Eaton Fuller 13/18 Speed ShifterCadmium Orange Plastic Splitter...

PPR_299768

SKU:

PPR_299768

Color:

Orange

Color:

Yellow

Style Options:

me

Color:

Purple

Color:

Black

Color:

Blue

Material Options:

Plastic/Poly

Color:

Red

Color:

Silver

Product Type:

Interior

Make:

Universal Items

MSRP:

Now: $8.10 - $8.12

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $8.10 - $8.12

Was:

Subtotal:
Motorized Single Vision Flat Glass Mirror Head Replacement Glass 8 X 19 Inch

LUVERNE

MSRP:

$34.66

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMotorized Single Vision Flat Glass Mirror Head Replacement Glass Only 8 X 19 InchMotorized Single...

PPR_299764

SKU:

PPR_299764

Style Options:

Flat

Product Type:

Exterior

Location:

Made In USA

Make:

Universal Items

Width Options:

8 Inch

Type Options:

Heated

Height Options:

19 Inch

MSRP:

$34.66

Was:

Qty in Cart: 0

Price:

MSRP:

$34.66

Was:

Subtotal:
22-18 AWG Fully Vinyl .157 Bullet Quick Connect Terminals - 7 Pack

UNITED PACIFIC

MSRP:

$4.22

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks22-18 AWG Fully Vinyl .157 Bullet Female Quick Connect Terminals - 7 Pack22-18 AWG Fully Vinyl .157...

PPR_299775

SKU:

PPR_299775

Product Type:

Electronics

Color:

Blue

Material Options:

Vinyl

Make:

Universal Items

MSRP:

$4.22

Was:

Qty in Cart: 0

Price:

MSRP:

$4.22

Was:

Subtotal:
Stainless Dovetail Mirror Clamp With 3/8 Inch Mirror Mount Hole - 2 Piece

LUVERNE

MSRP:

Now: $11.18 - $11.27

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks1 Inch Stainless Dovetail Mirror Clamp With 3/8 Inch Hole - 2 PieceMirror Dovetail Clamp For 1 Inch Sst...

PPR_299760

SKU:

PPR_299760

Product Type:

Exterior

Location:

Made In USA

Make:

Universal Items

Material Options:

Steel

Ready To Ship:

Yes

MSRP:

Now: $11.18 - $11.27

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $11.18 - $11.27

Was:

Subtotal:
M30X3.5 Thread-On Shift Knob Mounting Adapter For Eaton Fuller Style 9/10

UNITED PACIFIC

MSRP:

$54.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksM30X3.5 Thread-On Candy Black Shift Knob Mounting Adapter For Eaton Fuller Style 9/10Thread On Eaton...

PPR_299771

SKU:

PPR_299771

Product Type:

Interior

Color:

Purple

Color:

Black

Make:

Universal Items

Style Options:

Thread On

MSRP:

$54.99

Was:

Qty in Cart: 0

Price:

MSRP:

$54.99

Was:

Subtotal:
3/4 Inch Mini Dual Function Watermelon Clearance / Marker Light

UNITED PACIFIC

MSRP:

Now: $10.97 - $11.85

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3/4 Inch Mini Dual Function Watermelon Clearance / Marker Light - White LED / Clear Lens2 Diode 3/4...

PPR_299756

SKU:

PPR_299756

Finish Options:

Chrome-Plated

Color:

White

Style Options:

Watermelon

Color:

Red

Material Options:

Plastic/Poly

Product Type:

Lighting

Color:

Amber

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

Now: $10.97 - $11.85

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $10.97 - $11.85

Was:

Subtotal:
Manual Dual Vision Flat Glass Mirror Head, Top Mirror 7 X 13 1/2 Inch, Bottom Mirror 7 X 4 1/2 Inch

LUVERNE

MSRP:

Now: $246.99 - $314.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksManual Dual Vision Flat Glass Mirror Head, Heated, ChromeManual Dual Vision Flat Glass Mirror Head,...

PPR_299767

SKU:

PPR_299767

Finish Options:

Chrome-Plated

Style Options:

Flat

Product Type:

Exterior

Material Options:

Plastic/Poly

Location:

Made In USA

Color:

Black

Make:

Universal Items

Style Options:

Lighted

Style Options:

Dual Vision

Type Options:

Heated

MSRP:

Now: $246.99 - $314.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $246.99 - $314.99

Was:

Subtotal:
1.25 Inch Round Clearance Marker Light

UNITED PACIFIC

MSRP:

$9.82

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks1.25 Inch Round Clearance Marker Light - Amber LED / Amber Lens1 1/4 Inch Round Clearance Marker...

PPR_299752

SKU:

PPR_299752

Diameter Options:

1 1/4 Inch

Style Options:

Grommet Mount

Shape Options:

Round

Color:

Red

Material Options:

Plastic/Poly

Product Type:

Lighting

Color:

Amber

Make:

Universal Items

Make:

Peterbilt

MSRP:

$9.82

Was:

Qty in Cart: 0

Price:

MSRP:

$9.82

Was:

Subtotal:
Hook & Loop Velcro Strip-Tie Fasteners With Buckle, 8 Inch - 8 PCS

UNITED PACIFIC

MSRP:

$13.02

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBlack Hook & Loop Velcro Strip-Tie Fasteners With Buckle, 8 Inch - 8 PCSVelcro Straps For Organizing...

PPR_299773

SKU:

PPR_299773

Color:

Yellow

Product Type:

Lighting

Color:

Red

Material Options:

Nylon

Color:

Blue

Color:

Black

Length Options:

8 Inch

Make:

Universal Items

MSRP:

$13.02

Was:

Qty in Cart: 0

Price:

MSRP:

$13.02

Was:

Subtotal:
2-1/2 Inch Bolt Pattern Chrome Rear Spring Loaded Turbine Light Bars & Visor

UNITED PACIFIC

MSRP:

Now: $402.99 - $419.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 1/2 Inch Bolt Pattern Spring Loaded Chrome Rear Turbine Light Bars and Visor - Red LED / Red...

PPR_299763

SKU:

PPR_299763

Color:

Red

Material Options:

Steel

Light Options:

With Lights

Finish Options:

Chrome-Plated

Product Type:

Bumpers

Make:

Universal Items

MSRP:

Now: $402.99 - $419.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $402.99 - $419.99

Was:

Subtotal:
FREE SHIPPING OVER $249

22-18 AWG .250 Tab Vinyl W/ Optional Quantity Packs

UNITED PACIFIC

MSRP:

Now: $3.99 - $17.38

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks22-18 AWG .250 Tab Vinyl Female Disconnect Terminals - 100 Pack22-18 Vinyl 0.250 Inch Female Quick...

PPR_299774

SKU:

PPR_299774

Material Options:

Vinyl

Color:

Red

Make:

Universal Items

Color:

Blue

Product Type:

Air, Electrical, & Safety

Color:

Yellow

Material Options:

Copper

Location:

Made In USA

MSRP:

Now: $3.99 - $17.38

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3.99 - $17.38

Was:

Subtotal:
Splitter Button for Eaton Fuller 15 Speed Shifter

UNITED PACIFIC

MSRP:

Now: $8.10 - $8.66

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCandy Purple Splitter Button For Eaton Fuller 15 Speed Shift KnobsReplacement Candy Color Eaton Fuller...

PPR_299769

SKU:

PPR_299769

Material Options:

Plastic/Poly

Color:

Black

Color:

Red

Color:

Purple

Color:

Green

Color:

Yellow

Color:

Orange

Color:

Silver

Color:

White

Product Type:

Interior

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

Now: $8.10 - $8.66

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $8.10 - $8.66

Was:

Subtotal:
2-1/2 Inch Bolt Pattern Chrome Rear Spring Loaded Abyss Light Bars & Visor

UNITED PACIFIC

MSRP:

Now: $377.99 - $393.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 1/2 Inch Bolt Pattern Spring Loaded Chrome Rear Abyss Light Bars and Visor - Red LED / Red...

PPR_299759

SKU:

PPR_299759

Material Options:

Stainless Steel

Color:

Red

Finish Options:

Chrome-Plated

Light Options:

With Lights

Material Options:

Steel

Product Type:

Bumpers

Make:

Universal Items

MSRP:

Now: $377.99 - $393.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $377.99 - $393.99

Was:

Subtotal:
FREE SHIPPING OVER $249

Low Profile LED Work Light

PETERSON MFG

MSRP:

Now: $37.54 - $54.99

Was:

Experience reliable illumination with the Low Profile Square LED Work Light, providing 500, 1000 or 1350 lumens in a lightweight, compact design. Its square or rectangular profile and optimized flood...

PPR_299765

SKU:

PPR_299765

Style Options:

Flat

Make:

Universal Items

Height Options:

4 Inch

Color:

White

Lumens:

1001 to 2000 Lumens

Length Options:

1 1/4 Inch

Shape Options:

Square

Length Options:

1 1/2 Inch

Product Type:

Lighting

Lumens:

501 to 1000 Lumens

Width Options:

4 Inch

Height Options:

3 Inch

Width Options:

3 Inch

Lumens:

100 to 500 Lumens

Shape Options:

Rectangular

Width Options:

5 5/8 Inch

MSRP:

Now: $37.54 - $54.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $37.54 - $54.99

Was:

Subtotal:
Motorized Dual Vision Flat Glass Mirror Head 7 X 13 1/2 Inch

LUVERNE

MSRP:

Now: $285.99 - $385.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMotorized Dual Vision Flat Glass Mirror Head Black Plastic HeatedMotorized Dual Vision Flat Glass...

PPR_299762

SKU:

PPR_299762

Location:

Made In USA

Color:

Black

Finish Options:

Chrome-Plated

Material Options:

Plastic/Poly

Product Type:

Exterior

Make:

Universal Items

Style Options:

Lighted

Style Options:

Flat

Type Options:

Heated

MSRP:

Now: $285.99 - $385.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $285.99 - $385.99

Was:

Subtotal:
15 Diode Sleeper Clearance Marker Lights with Chrome Bezel

UNITED PACIFIC

MSRP:

Now: $33.52 - $35.19

Was:

Choose Option(s) to see description.Fitment** Fits Models of Freightliner Trucks15 Diode Sleeper Clearance Marker Lights with Chrome Bezel - Amber LED / Amber Lens For FreightlinerTeardrop Sleeper...

PPR_299755

SKU:

PPR_299755

Product Type:

Lighting

Color:

Amber

Color:

Amber/Clear

Material Options:

Plastic/Poly

Finish Options:

Chrome-Plated

Make:

Universal Items

MSRP:

Now: $33.52 - $35.19

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $33.52 - $35.19

Was:

Subtotal:
3 Diode Oval Clearance Marker Light

UNITED PACIFIC

MSRP:

Now: $11.22 - $11.24

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3 Diode Oval Aux Light - White LED / Clear LensOval Clearance Marker LightGet reliable lighting with...

PPR_299757

SKU:

PPR_299757

Color:

Amber

Shape Options:

Round

Diameter Options:

2 Inch

Color:

Red

Shape Options:

Oval

Material Options:

Plastic/Poly

Color:

White

Style Options:

Grommet Mount

Product Type:

Lighting

Make:

Universal Items

MSRP:

Now: $11.22 - $11.24

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $11.22 - $11.24

Was:

Subtotal:
3 Diode Rectangular Clearance Marker Light

UNITED PACIFIC

MSRP:

Now: $11.22 - $11.24

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3 Diode Rectangular Aux Light - White LED / Clear LensWhite LED/Clear Lens Rectangle Auxiliary LED...

PPR_299758

SKU:

PPR_299758

Color:

White

Product Type:

Lighting

Color:

Amber

Material Options:

Plastic/Poly

Length Options:

1 1/4 Inch

Width Options:

2 1/4 Inch

Style Options:

Grommet Mount

Shape Options:

Rectangular

Color:

Red

Make:

Universal Items

MSRP:

Now: $11.22 - $11.24

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $11.22 - $11.24

Was:

Subtotal:
3 LED 4 Inch Round Light - Turn Signal

UNITED PACIFIC

MSRP:

$5.61

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks4 Inch Round Back Up Light - White LED / Clear Lens4" Round White LED Clear Lens Back Up LightThis 4"...

PPR_299753

SKU:

PPR_299753

Diameter Options:

4 Inch

Shape Options:

Round

Color:

Red

Material Options:

Plastic/Poly

Color:

White

Color:

Amber

Style Options:

LED

Product Type:

Lighting

Style Options:

3 Hole

Make:

Universal Items

MSRP:

$5.61

Was:

Qty in Cart: 0

Price:

MSRP:

$5.61

Was:

Subtotal:
3 LED 6 Inch Oval Light - Turn Signal

UNITED PACIFIC

MSRP:

$5.61

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks6 Inch Oval Back Up Light - White LED / Clear LensOval White with Clear Lens Back UP LEDThis oval LED...

PPR_299754

SKU:

PPR_299754

Color:

Red

Product Type:

Lighting

Material Options:

Plastic/Poly

Diameter Options:

6 Inch

Width Options:

6 Inch

Style Options:

LED

Color:

White

Color:

Amber

Style Options:

3 Hole

Make:

Universal Items

Shape Options:

Oval

MSRP:

$5.61

Was:

Qty in Cart: 0

Price:

MSRP:

$5.61

Was:

Subtotal:

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Shop for Repair & Performance Parts for the Peterbilt 379

We stock aftermarket parts from top-tier brands, each engineered to meet or exceed classic OEM Peterbilt 379 parts for both newer and older 379 model years. Replacement parts reduce downtime and can enhance the efficiency of your big rig. Easily swap out worn-out or broken mechanical components: - Turbochargers and exhaust manifolds. - Radiators, heater hoses, and electrical components. -Peterbilt 379 front shocks, air-ride suspension hardware and drivetrain or powertrain replacements. Installing high-quality aftermarket performance upgrades can lead to a positive ROI and stronger performance. Whether your Peterbilt needs an exhaust system upgrade or an extensive suspension rebuild, we've got the parts to get the job done.

Add Polished Chrome Upgrades

Elevate your truck's look with exterior chrome parts: stainless steel visors, grilles, rear fenders, and front bumpers for Peterbilt 379. Add larger Peterbilt diesel fuel storage tanks and a new set of Peterbilt 379 chrome stack tops.

Customize the Interior with Peterbilt 379 Accessories

Our Peterbilt 379 interior accessories let you mix and match designs to fit your truck's theme. For decades, we've helped source parts for drivers to build their custom show trucks. Customizing the interior? If you can dream it, there's likely a product to help you build it. Browse through dash trims, upholstery, dual-tone interior cab lights, vent trim covers, custom foot pedals, and more. Interior accessories help to customize the entirety of your rig. You can add unique rear sleeper window shapes, chrome-polished mirror accessories, cabin doors, and in-cab vinyl flooring kits. When it comes to fine-tuning your custom interior, there are endless options. Filter through a vast selection of products via the materials, design features, sizes, and aftermarket brands that truckers trust. At the bottom of the page, you can review the item details, check for product specs, search for limited-time discounts on popular items, and add the order to cart. Easy.

Frequently Asked Questions About Peterbilt 379 Parts

What years are Peterbilt 379 parts compatible with, and will they fit my specific model?

Most Peterbilt 379 parts fit 1987–2007 trucks, but fitment depends on the exact part and your setup (standard vs extended hood, trim packages, modifications). Always confirm OEM specs and model details before ordering. For custom builds, contact support with your truck info.

What's the difference between aftermarket and OEM Peterbilt 379 parts in terms of quality and durability?

OEM parts match factory specs and usually cost more. Quality aftermarket parts can perform similarly for 30–50% less, especially for chrome and accessories. Look for strong materials (ex: 16-gauge+ bumpers), good plating/finishing, and a warranty—avoid ultra-cheap parts that rust or peel quickly.

How difficult is it to install Peterbilt 379 bumpers and what tools do I need?

Most installs take 2–4 hours with basic tools: socket set (especially 3/4" and 7/8"), torque wrench, jack stands/lift, and ideally a helper. Many bumpers use factory mounts; some may need minor drilling. Rusted hardware and alignment are the usual challenges. Pro install is often $200–$400.

What chrome and finish options are available for Peterbilt 379 parts, and how do they hold up?

Triple chrome: best shine, needs regular upkeep (especially in winter). Powder coat: tough and chip-resistant, less mirror-like. Polished stainless: higher upfront cost, won’t rust, low maintenance. Choose based on climate and how much maintenance you want to do.

Which Peterbilt 379 parts should I prioritize replacing for both appearance and functionality?

Start with safety items (headlights/marker lights). Next, replace rust-prone parts like bumpers, battery boxes, and step plates. Then move to high-impact upgrades like air cleaners and exhaust. Interior items (dash panels, handles) improve daily comfort. Prices can vary. Budget $2,000-5,000 for a comprehensive exterior refresh, or tackle projects individually starting with the most visible or damaged components.