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.

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7 Inch X 16 Inch West Coast Flat Rib Back Mirror Head

LUVERNE

MSRP:

Now: $17.21 - $74.99

Was:

Finding the right replacement mirror for your truck is simple with this rib-back west coast mirror head, designed as a reliable OEM-style upgrade for a variety of heavy-duty trucks. It features a...

PPR_299653

SKU:

PPR_299653

Color:

White

Style Options:

Heated

Location:

Made In USA

Material Options:

Stainless Steel

Color:

Black

Product Type:

Exterior

Make:

Universal Items

Width Options:

7 Inch

Shape Options:

Rectangular

Height Options:

16 Inch

MSRP:

Now: $17.21 - $74.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $17.21 - $74.99

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6 Inch Round Convex Center Mount Mirror Plastic Ball Stud

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MSRP:

Now: $12.04 - $28.27

Was:

Boost your rear visibility with this 6 inch round convex center mount mirror. The convex lens gives you a broader field of vision, making it easier to spot nearby vehicles, pedestrians, or obstacles...

PPR_299658

SKU:

PPR_299658

Location:

Made In USA

Shape Options:

Round

Material Options:

Stainless Steel

Color:

Black

Diameter Options:

6 Inch

Material Options:

Steel

Product Type:

Exterior

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $12.04 - $28.27

Was:

Qty in Cart: 0

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MSRP:

Now: $12.04 - $28.27

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5 Inch Black Powder Coated Steel Round Convex Spot Mirror

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MSRP:

Now: $11.27 - $13.06

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Increase safety and visibility on the road with this 5-inch black steel center-mount convex mirror, designed to give you a wide-angle view of blind spots and passing lanes. The 5-inch curved glass...

PPR_299649

SKU:

PPR_299649

Material Options:

Steel

Color:

Black

Diameter Options:

5 Inch

Product Type:

Exterior

Shape Options:

Round

Location:

Made In USA

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $11.27 - $13.06

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Qty in Cart: 0

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MSRP:

Now: $11.27 - $13.06

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7 x 16 Inch West Coast Bubble Back Mirror Head

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MSRP:

Now: $19.95 - $36.32

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Upgrade your visibility with this 7-inch by 16-inch flat rib-back west coast mirror head, designed as an ideal OEM-style replacement for a wide range of heavy-duty trucks. The large flat glass...

PPR_299654

SKU:

PPR_299654

Location:

Made In USA

Width Options:

7 Inch

Color:

White

Color:

Black

Material Options:

Stainless Steel

Product Type:

Exterior

Height Options:

16 Inch

Style Options:

Heated

Make:

Universal Items

Shape Options:

Rectangular

MSRP:

Now: $19.95 - $36.32

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Qty in Cart: 0

Price:

MSRP:

Now: $19.95 - $36.32

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8.5 Inch Round Convex Offset Mount Mirror W/ 5/16 Inch Plastic Ball Stud

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MSRP:

Now: $24.36 - $61.99

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Improve your visibility and reduce blind spots with these 8.5-inch round convex mirrors, designed to give you a wide-angle view in all driving conditions. The curved lens offers a broader field of...

PPR_299647

SKU:

PPR_299647

Color:

Black

Material Options:

Steel

Diameter Options:

8 1/2 Inch

Shape Options:

Round

Location:

Made In USA

Product Type:

Exterior

Material Options:

Stainless Steel

Style Options:

Heated

Make:

Universal Items

Style Options:

Convex

Ready To Ship:

Yes

MSRP:

Now: $24.36 - $61.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $24.36 - $61.99

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7 Inch x 16 Inch West Coast Stainless OEM Style Mirror Head

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MSRP:

Now: $72.99 - $110.99

Was:

With this 7-inch by 16-inch OEM-style west coast mirror head, built from polished stainless steel, it offers a sleek, mirror-like finish that resists rust, corrosion, and daily wear used on most...

PPR_299652

SKU:

PPR_299652

Product Type:

Exterior

Location:

Made In USA

Height Options:

16 Inch

Style Options:

Heated

Width Options:

7 Inch

Material Options:

Stainless Steel

Make:

Universal Items

Shape Options:

Rectangular

MSRP:

Now: $72.99 - $110.99

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Qty in Cart: 0

Price:

MSRP:

Now: $72.99 - $110.99

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Steel Auxiliary Mirror Mounting Bracket Kits

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MSRP:

Now: $16.03 - $17.51

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Mounting your auxiliary mirror is quick and secure with this heavy-duty bracket kit. This bracket kit is available in both 6-inch and 4-inch by 3/4-inch legs, giving you flexibility to match your...

PPR_299645

SKU:

PPR_299645

Width Options:

3/4 Inch

Length Options:

6 Inch

Color:

Gray

Material Options:

Steel

Location:

Made In USA

Length Options:

4 Inch

Product Type:

Exterior

Make:

Universal Items

MSRP:

Now: $16.03 - $17.51

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $16.03 - $17.51

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6 Inch Round Convex Bright Anodized Aluminum Center Mount Mirror

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MSRP:

Now: $31.01 - $35.48

Was:

Add safety and visibility to your heavy or light duty truck with this 6-inch round convex mirror. The curved 6-inch glass provides enhanced peripheral vision, helping you stay aware of your...

PPR_299650

SKU:

PPR_299650

Location:

Made In USA

Product Type:

Exterior

Material Options:

Aluminum

Diameter Options:

6 Inch

Shape Options:

Round

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $31.01 - $35.48

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $31.01 - $35.48

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8 Inch Semi-Bubble Convex Center Mount Mirror 5/16 Inch Ball Stud

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MSRP:

Now: $31.51 - $45.07

Was:

Stay aware of your surroundings and reduce blind spots with this 8-inch semi-bubble convex mirror, designed for center-mount applications with a 5/16-inch ball stud. The semi-bubble design gives you...

PPR_299648

SKU:

PPR_299648

Color:

Black

Product Type:

Exterior

Location:

Made In USA

Diameter Options:

8 Inch

Material Options:

Stainless Steel

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $31.51 - $45.07

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Qty in Cart: 0

Price:

MSRP:

Now: $31.51 - $45.07

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35-1/8 X 8.81 Inch Heavy Duty Truck Mirror Loop

LUVERNE

MSRP:

$29.41

Was:

Mounting a west coast or convex mirror is quick and easy with this heavy-duty mirror loop. Designed in a plain-style configuration, it accepts clamp-mounted or stud-mounted mirror heads, making it a...

PPR_299643

SKU:

PPR_299643

Length Options:

35 Inch

Width Options:

9 Inch

Product Type:

Exterior

Location:

Made In USA

Finish Options:

Black Powder Coat

Width Options:

8 Inch

Make:

Universal Items

MSRP:

$29.41

Was:

Qty in Cart: 0

Price:

MSRP:

$29.41

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Steel Safety Cross View Bracket Mirror Assembly Rear Mount

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MSRP:

Now: $28.36 - $57.99

Was:

Cross view mirror brackets provide a solid mounting solution for cross view mirrors on commercial trucks and school buses. Designed for durability and ease of use, these brackets offer a stable,...

PPR_299641

SKU:

PPR_299641

Material Options:

Stainless Steel

Color:

Black

Product Type:

Exterior

Material Options:

Steel

Location:

Made In USA

Make:

Universal Items

MSRP:

Now: $28.36 - $57.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $28.36 - $57.99

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7.5 Inch Round Convex Mirror 5/16 Inch Plastic Ball Stud

LUVERNE

MSRP:

Now: $12.46 - $37.07

Was:

These 7.5 inch round high-quality convex mirrors, built for clear, wide-angle visibility in all driving conditions are available in a variety of sizes and finishes. Each mirror features a curved lens...

PPR_299646

SKU:

PPR_299646

Material Options:

Stainless Steel

Diameter Options:

7 1/2 Inch

Product Type:

Exterior

Color:

Black

Location:

Made In USA

Material Options:

Steel

Shape Options:

Round

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $12.46 - $37.07

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $12.46 - $37.07

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34.105 X 7-1/4 Inch Heavy Duty Truck Mirror Loop

LUVERNE

MSRP:

Now: $25.20 - $26.04

Was:

Upgrade your rig's visibility with this 34.105-inch by 7 1/4-inch heavy-duty mirror loop, designed to make mounting a west coast or convex mirror fast and easy. Built from polished stainless steel or...

PPR_299644

SKU:

PPR_299644

Product Type:

Exterior

Length Options:

34 Inch

Finish Options:

Black Powder Coat

Width Options:

7 Inch

Location:

Made In USA

Make:

Universal Items

Length Options:

35 Inch

Material Options:

Stainless Steel

Finish Options:

Polished

MSRP:

Now: $25.20 - $26.04

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Qty in Cart: 0

Price:

MSRP:

Now: $25.20 - $26.04

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Mirror Clamps 2 Piece Dovetail Clamp

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MSRP:

Now: $4.76 - $9.32

Was:

These two-piece dovetail-style mirror clamps are built to provide a strong, secure hold for west coast-style mirror assemblies and spot mirrors on heavy and light duty trucks. The two-piece design...

PPR_299639

SKU:

PPR_299639

Material Options:

Stainless Steel

Location:

Made In USA

Product Type:

Exterior

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

Now: $4.76 - $9.32

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $4.76 - $9.32

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6 Inch x 16 Inch West Coast Stainless Style Mirror Head

LUVERNE

MSRP:

Now: $43.23 - $65.99

Was:

These angled-back 6 x 16 inch west coast mirror heads are designed to deliver a clear, extended rear view for heavy and light duty trucks. Built with a durable stainless steel, this mirror head holds...

PPR_299642

SKU:

PPR_299642

Location:

Made In USA

Product Type:

Exterior

Style Options:

Angled

Width Options:

6 Inch

Material Options:

Stainless Steel

Style Options:

Heated

Height Options:

16 Inch

Shape Options:

Rectangular

Make:

Universal Items

MSRP:

Now: $43.23 - $65.99

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Qty in Cart: 0

Price:

MSRP:

Now: $43.23 - $65.99

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Mirror J Brackets Zinc Plated

LUVERNE

MSRP:

Now: $4.44 - $4.90

Was:

J bracket mirror clamps are designed to provide strong, stable support for west coast-style mirror assemblies on heavy and light duty trucks. With their curved shape and durable construction, these...

PPR_299640

SKU:

PPR_299640

Location:

Made In USA

Product Type:

Exterior

Make:

Universal Items

MSRP:

Now: $4.44 - $4.90

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Qty in Cart: 0

Price:

MSRP:

Now: $4.44 - $4.90

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Truck Mirror Loop Heavy Duty With 3/4 Inch Tube

LUVERNE

MSRP:

Now: $21.41 - $38.86

Was:

Stainless steel and powder coated carbon steel mirror loops are built to offer strong, reliable support for west coast-style mirrors on heavy and light duty trucks. Designed for durability and a...

PPR_299637

SKU:

PPR_299637

Material Options:

Stainless Steel

Location:

Made In USA

Finish Options:

Polished

Finish Options:

Black Powder Coat

Product Type:

Exterior

Make:

Universal Items

MSRP:

Now: $21.41 - $38.86

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $21.41 - $38.86

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Stainless Steel Adjustable Mirror Brace in 4 Length Sizes

LUVERNE

MSRP:

Now: $25.63 - $31.67

Was:

Adjustable mirror braces are built to provide secure, customizable support for west coast style or convex mirror setups on heavy duty and light duty trucks. Designed for strength and stability, these...

PPR_299636

SKU:

PPR_299636

Product Type:

Exterior

Material Options:

Stainless Steel

Location:

Made In USA

Make:

Universal Items

MSRP:

Now: $25.63 - $31.67

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $25.63 - $31.67

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Convex Round Mirror Plastic Ball Stud

LUVERNE

MSRP:

Now: $21.32 - $80.99

Was:

Round convex mirrors are built to enhance rear and side visibility for heavy-duty trucks. These mirrors feature a curved design that expands your field of view, helping to reduce blind spots and...

PPR_299635

SKU:

PPR_299635

Diameter Options:

12 Inch

Material Options:

Plastic/Poly

Diameter Options:

10 Inch

Color:

White

Shape Options:

Round

Location:

Made In USA

Diameter Options:

8 Inch

Product Type:

Exterior

Material Options:

Steel

Color:

Black

Diameter Options:

7 1/2 Inch

Material Options:

Stainless Steel

Style Options:

Heated

Make:

Universal Items

Style Options:

Convex

Ready To Ship:

Yes

MSRP:

Now: $21.32 - $80.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $21.32 - $80.99

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Convex Stick-On Spot Mirrors

LUVERNE

MSRP:

Now: $3.62 - $7.14

Was:

Convex mirrors are designed to improve visibility and reduce blind spots on heavy and light duty trucks. These wide-angle mirrors offer a broader field of view, making it easier to monitor...

PPR_299634

SKU:

PPR_299634

Height Options:

4 Inch

Width Options:

5 1/2 Inch

Diameter Options:

3 Inch

Diameter Options:

3 1/2 Inch

Shape Options:

Round

Product Type:

Exterior

Diameter Options:

2 Inch

Location:

Made In USA

Make:

Universal Items

Style Options:

Convex

MSRP:

Now: $3.62 - $7.14

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3.62 - $7.14

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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.