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
Qty in Cart
Quantity
Price
Subtotal

Tanker Spyder Pedestal Purple Light

GRAND GENERAL

MSRP:

$11.91

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks1 1/8 Inch Spyder Tanker Light - PurpleTanker Spyder Pedestal Purple Light* High Quality Tanker Light*...

PPR_299986

SKU:

PPR_299986

Product Type:

Lighting

Finish Options:

Chrome-Plated

Color:

Purple

Diameter Options:

1 1/4 Inch

Material Options:

Acrylic

Diameter Options:

2 1/4 Inch

Size Options:

18 Gauge

Make:

Universal Items

MSRP:

$11.91

Was:

Qty in Cart: 0

Price:

MSRP:

$11.91

Was:

Subtotal:
BESTfit SS Exhaust Band Clamp 1.25 Inch Wide

BESTFIT TRUCK PARTS

MSRP:

Now: $15.09 - $41.03

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksBESTfit 6 Inch Polished Stainless Steel Exhaust Clamp - 1.25 Inch WidePolished Stainless Steel Exhaust...

PPR_300005

SKU:

PPR_300005

Product Type:

Exhaust

Material Options:

Stainless Steel

Diameter Options:

6 Inch

Diameter Options:

7 Inch

Make:

Universal Items

Diameter Options:

4 Inch

Ready To Ship:

Yes

MSRP:

Now: $15.09 - $41.03

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $15.09 - $41.03

Was:

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Turnpike Truck Trim 6 Inch Stainless Steel Angled Mirror Light Extension Bracket

TURNPIKE TRUCK TRIM

MSRP:

$47.93

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksTurnpike Truck Trim 6 Inch SS Angled Mirror Light Extension With 1/2 Inch Fine ThreadPolished 304...

PPR_299978

SKU:

PPR_299978

Product Type:

Exterior

Finish Options:

Polished

Style Options:

Angled

Height Options:

6 Inch

Material Options:

Stainless Steel

Make:

Universal Items

Ready To Ship:

Yes

Length Options:

6 Inch

MSRP:

$47.93

Was:

Qty in Cart: 0

Price:

MSRP:

$47.93

Was:

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Full Tilt Performance 90 Degree Rubber Elbow

FULL TILT PERFORMANCE

MSRP:

Now: $72.09 - $93.72

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks5.5 To 5 Inch 90 Degree Rubber ElbowFull Tilt Performance 90 Degree Rubber Elbow* High Quality Elbow*...

PPR_299979

SKU:

PPR_299979

Product Type:

Engine Parts

Material Options:

Rubber

Degree Options:

90

Location:

Made In USA

Make:

Universal Items

MSRP:

Now: $72.09 - $93.72

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $72.09 - $93.72

Was:

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Gray Vinyl Armrest Seat Covers

BOSTROM TRUCK SEATS

MSRP:

$55.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRight Side Gray Vinyl Armrest Seat CoversGray Vinyl Armrest Covers For Right Side Of Seat* High Quality...

PPR_299973

SKU:

PPR_299973

Product Type:

Seats

Location:

Made In USA

Material Options:

Vinyl

Position:

Driver Side

Color:

Gray

Position:

Passenger Side

Make:

Universal Items

MSRP:

$55.99

Was:

Qty in Cart: 0

Price:

MSRP:

$55.99

Was:

Subtotal:
2 Inch Beehive Light W/ Stainless Steel Rim, Pigtail & LED Color Options

GRAND GENERAL

MSRP:

Now: $18.43 - $19.91

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch Beehive Light Amber LED / Clear Lens W/ SS Rim And Pigtail2 Inch Beehive Amber/Clear LED Light...

PPR_299997

SKU:

PPR_299997

Product Type:

Lighting

Material Options:

Stainless Steel

Color:

Red

Diameter Options:

2 Inch

Color:

Amber/Clear

Style Options:

Beehive

Make:

Universal Items

MSRP:

Now: $18.43 - $19.91

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $18.43 - $19.91

Was:

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Wheel Bearing Cone W/ Bore Diameter Options

AUTOMANN USA

MSRP:

Now: $19.65 - $24.28

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2.625 Inch Wheel Bearing Cone Replaces 00929406, Hm212049Replacement 2.625 Inch Wheel Bearing Cone*...

PPR_299970

SKU:

PPR_299970

Product Type:

Wheels

Shape Options:

Round

Diameter Options:

2 1/2 Inch

Make:

Universal Items

MSRP:

Now: $19.65 - $24.28

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $19.65 - $24.28

Was:

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Turnpike Truck Trim Stainless Steel Mudflap Weights With Back Lip - Pair

TURNPIKE TRUCK TRIM

MSRP:

Now: $38.75 - $43.85

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksTurnpike Truck Trim 16 Inch SS Mud Flap Weights With Back Lip - Pair16 Inch Mud Flap Weights With Back...

PPR_299984

SKU:

PPR_299984

Height Options:

5 Inch

Height Options:

6 Inch

Width Options:

16 Inch

Width Options:

18 Inch

Product Type:

Mud Flaps

Material Options:

Stainless Steel

Width Options:

24 Inch

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

Now: $38.75 - $43.85

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $38.75 - $43.85

Was:

Subtotal:
V-Band Elbow Turbocharger W/ O-Ring & Clamp For Cummins/Detroit

FULL TILT PERFORMANCE

MSRP:

Now: $196.72 - $204.96

Was:

Choose Option(s) to see description.Fitment** Fits Makes & Models W/ Cummins & Detroit Engines45 degree V-Band Elbow For Cummins / Detroit Turbocharger45 Degree Cummins / Detroit V-Band Elbow* High...

PPR_299980

SKU:

PPR_299980

Product Type:

Engine Parts

Location:

Made In USA

Degree Options:

45

Degree Options:

90

Make:

Universal Items

Style Options:

Elbow

MSRP:

Now: $196.72 - $204.96

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $196.72 - $204.96

Was:

Subtotal:
Turnpike Truck Trim 34 Inch 304 Stainless Steel Rear Center Panel W/ 4 Rnd 4 Inch & 6 Rnd 2 Inch Light Holes

TURNPIKE TRUCK TRIM

MSRP:

Now: $129.99 - $259.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksTurnpike Truck Trim 34 X18 Inch 304 SS Rear Center Panel Rounded Corners W/ 4 Rnd 4 Inch & 6 Rnd 2 Inch...

PPR_299976

SKU:

PPR_299976

Height Options:

16 Inch

Height Options:

18 Inch

Material Options:

Stainless Steel

Product Type:

Bumpers

Height Options:

14 Inch

Length Options:

7 Inch

Width Options:

34 Inch

Light Options:

Without Lights

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

Now: $129.99 - $259.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $129.99 - $259.99

Was:

Subtotal:
Driver/Passenger Side Outboard Mount Hub Assembly

AFTERMARKET

MSRP:

Now: $333.99 - $379.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrailersOutboard Hub Assembly 1320Zmrt, 0415502021, E5113Replacement Outboard Hub Assembly* High Quality Hub...

PPR_299971

SKU:

PPR_299971

Truck Class:

Heavy Duty

Product Type:

Trailer

Make:

Trailer

Position:

Passenger Side

Position:

Driver Side

Make:

Universal Items

MSRP:

Now: $333.99 - $379.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $333.99 - $379.99

Was:

Subtotal:
CSM 96 Inch Stainless Steel Rear T Bar

CHROME SHOP MAFIA

MSRP:

$1,429.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksCSM 96 Inch SS Rear T Bar With Radius Corners Without Light Holes OnlyCSM 96 Inch Rear T Bar With...

PPR_299967

SKU:

PPR_299967

Product Type:

Bumpers

Finish Options:

Polished

Light Options:

Without Lights

Style Options:

Angled

Width Options:

96 Inch

Material Options:

Stainless Steel

Make:

Universal Items

Height Options:

20 Inch

MSRP:

$1,429.99

Was:

Qty in Cart: 0

Price:

MSRP:

$1,429.99

Was:

Subtotal:
Roadworks Stainless Steel License Plate Holder Hinged W/ Supernova Vertical Light Holes, Width/Plate Quantity Options

ROADWORKS

MSRP:

Now: $67.99 - $205.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksRoadworks 32 Inch Stainless Steel License Plate Holder Hinged W/ Supernova Vertical Light Holes32 Inch...

PPR_299968

SKU:

PPR_299968

Make:

Universal Items

Width Options:

32 Inch

Location:

Made In USA

Light Options:

Without Lights

Width Options:

60 Inch

Material Options:

Stainless Steel

Product Type:

Bumpers

MSRP:

Now: $67.99 - $205.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $67.99 - $205.99

Was:

Subtotal:
Hub Assembly Dura-Light Evolution For Dual Wheels

AFTERMARKET

MSRP:

Now: $452.99 - $455.99

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksHub Assembly Dura-Light Evolution For Dual Aluminum WheelsLightweight Dura-Light Evolution Hub Assembly...

PPR_299969

SKU:

PPR_299969

Color:

Black

Product Type:

Wheels

Make:

Universal Items

MSRP:

Now: $452.99 - $455.99

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $452.99 - $455.99

Was:

Subtotal:
On Sale

Limited Quantity Available

Fitting Hose End W/ SAE Flare Options

OPP - ORIGINAL PARTS PROGRAM

MSRP:

Now: $7.04 - $37.73

Was: $39.99

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksNo 10 SAE Flare 90 Degree Fitting Hose End Med24710NReplacement 10 SAE Flare 90 Degree Fitting Hose...

PPR_299965

SKU:

PPR_299965

Degree Options:

90

Product Type:

Engine Parts

Make:

Kenworth

Ready To Ship:

Yes

Degree Options:

45

Make:

Universal Items

MSRP:

Now: $7.04 - $37.73

Was: $39.99

Qty in Cart: 0

Price:

MSRP:

Now: $7.04 - $37.73

Was: $39.99

Subtotal:
FREE SHIPPING OVER $249

7 Color Changing Single Diode Snake Lights W/ 12 Inch Lead Wire- 2 Pack

TRUX ACCESSORIES

MSRP:

$19.43

Was:

Single Diode Snake LightsLooking to add colorful light to the vents in your truck or another small area of your cab? 4 State Trucks has this pack of two single diode snake lights that routinely...

09-160105100

SKU:

09-160105100

Color:

Various

Truck Class:

Universal

Material Options:

Plastic/Poly

Length Options:

12 Inch

Product Type:

Interior

Make:

Universal Items

Ready To Ship:

Yes

MSRP:

$19.43

Was:

Qty in Cart: 0

Price:

MSRP:

$19.43

Was:

Subtotal:
BESTfit Driver/Passenger Side Aluminum Front Spring Bracket Hanger W/ Bumper Mount For Peterbilt 357, 375, 377, 378, 379

BESTFIT TRUCK PARTS

MSRP:

$986.99

Was:

Choose Option(s) to see description.Fitment* Fits Peterbilt 357 1987 thru 2007* Fits Peterbilt 375 1988 thru 1995* Fits Peterbilt 377 1988 thru 2000* Fits Peterbilt 378 1988 thru 2007* Fits Peterbilt...

PPR_299964

SKU:

PPR_299964

Color:

Black

Position:

Passenger Side

Product Type:

Frame & Chassis

Material Options:

Aluminum

Position:

Driver Side

Make:

Peterbilt

MSRP:

$986.99

Was:

Qty in Cart: 0

Price:

MSRP:

$986.99

Was:

Subtotal:
Rubber Cushion Clamps With 3/8 Inch Hole

AUTOMANN USA

MSRP:

Now: $8.46 - $22.17

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks2 Inch Rubber Cushion Clamp With 3/8 Inch HoleRubber Cushioned Clamp for 2 Inch TubingProvides...

PPR_299963

SKU:

PPR_299963

Finish Options:

Galvanized

Material Options:

Rubber

Material Options:

Steel

Make:

Universal Items

Product Type:

Lighting

MSRP:

Now: $8.46 - $22.17

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $8.46 - $22.17

Was:

Subtotal:
3.5 X 5.25 Inch Front Park/Turn Light, Grommet Mount - Amber LED / Amber Lens

AUTOMANN USA

MSRP:

Now: $21.96 - $43.28

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks3.5 X 5.25 Inch Front Park/Turn Light, Grommet Mount - Amber LED / Amber Lens12V Amber LED Turn Signal...

PPR_299955

SKU:

PPR_299955

Shape Options:

Rectangular

Product Type:

Lighting

Style Options:

Grommet Mount

Color:

Amber

Make:

Universal Items

Height Options:

3 1/2 Inch

Width Options:

5 1/4 Inch

MSRP:

Now: $21.96 - $43.28

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $21.96 - $43.28

Was:

Subtotal:
Mini Blade Replacement Fuses For ATM & MIN Series - 5 Pack

AUTOMANN USA

MSRP:

Now: $3.45 - $3.80

Was:

Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of Trucks5 Amp Mini Blade Fuses - 5 PackMini Blade Replacements for ATM and MIN Series* High Quality Mini Blade*...

PPR_299960

SKU:

PPR_299960

Product Type:

Air, Electrical, & Safety

Rating:

5.0 Amps

Rating:

3.0 Amps

Color:

Red

Color:

Yellow

Make:

Universal Items

MSRP:

Now: $3.45 - $3.80

Was:

Qty in Cart: 0

Price:

MSRP:

Now: $3.45 - $3.80

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.