Availability
2004 PETERBILT 379 Parts and Accessories
Showing In Stock Items. Show All 41 Items.
Precision Replacement Parts Door Seals
Precision Replacement Parts door seals are made from the original specifications with high-quality ozone-resistant materials to fit your vehicle. Precision Replacement Parts door seals will keep that OEM look and provide a positive seal on all exterior surfaces.
( 93 )
$224.99
Continental OE Technology Series HY-T Black Heater Hoses
Avoid a potential mishap from a leaking or a blown heater hose--make an upgrade to Continental OE Technology Series HY-T black heater hoses. The HY-Ts are perfect for applications where excellent resistance to antifreeze coolants and extreme underhood temperatures is required. The tube and cover are manufactured from EPDM (ethylene propylene diene monomer) rubber with superior resistance to heat, ozone, and chemical coolants. Each hose is then reinforced with 2-spiral synthetic for additional strength and durability. Continental OE Technology Series HY-T black heater hoses are constructed to meet specifications similar to SAE J20R3--so they can take the heat.
( 36 )
$102.99
Universal Air Conditioner Air Conditioning Condensers
Universal Air Conditioner offers a comprehensive line of mobile climate-control products, including A/C condensers. Quality-built to OEM specifications for accurate fit and high-efficiency function as your factory component, these air conditioning condenser units will help you restore your vehicle's A/C system back to its proper operation. And, with UAC's extensive quality control procedures and affordable pricing, you can be rest assured that you are getting the best product when you decide to purchase the UAC condenser model that is designed for your application. Additional features and benefits: * Helps maintain a desired temperature inside your car * Made of durable materials * Ensures reliable performance * Guarantees high-efficiency * Provides long-lasting service life
( 35 )
$108.99
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$194.99
Universal Air Conditioner Air Conditioning Compressors
Universal Air Conditioner offers a comprehensive line of replacement mobile climate-control products, including air conditioning compressors. Compressors are the heart of the A/C system, with a heavy responsibility to pump A/C refrigerant throughout the automobile's A/C system. That's why UAC takes the upmost care when developing their A/C compressors. UAC branded compressors meet exact OE specifications, and they are manufactured at a Tier 1 facility. When you purchase a new compressor from UAC, you are receiving a high-quality product at price that is very affordable. Select the model recommended for your vehicle's application. Additional features and benefits: * Helps maintain a desired temperature inside your car * Made of durable materials * Ensures reliable performance * Guarantees high-efficiency * Provides long-lasting service life
( 18 )
$175.99
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$242.99
Dorman Clutch Starter Safety Switches
Dorman clutch starter safety switches prevent unintentional starts. Unless your clutch is fully engaged, there should be no power to your starter. These durable OE replacement switches are constructed from high-quality materials for reliable performance. If your vehicle doesn't start, or starts while in gear, you may need one of these Dorman clutch starter safety switches to go safely on your way.
Not Yet Reviewed
$156.99
Dorman Turbocharger Speed Sensors
In this day and age of computer-controlled vehicles, an improperly functioning sensor or switch could cause major issues. Dorman turbocharger speed sensors help prevent damage to the engine and turbo. These plastic, copper, and metal constructed units feature an easy plug-and-play installation and have been pre-fitted to ensure that standards for quality are met. Dorman Turbocharger speed sensors keep speed readings and performance at optimum levels.
Not Yet Reviewed
$181.99
Dorman Truck Cab Side Steps
Get up into your big rig more easily with these Dorman truck cab side steps. They're direct replacement steps for your truck and have been designed with non-slip tread patterns for secure footing. The steps are made from durable aluminum or steel, with finish options, and are available in a variety of lengths. They install easily in the factory location.
Not Yet Reviewed
$163.99
Dorman Fuel Tank Level Sending Units
Just going with the flow? Not a good idea when dealing with the gas level in your vehicle. Dorman fuel tank level sending units are solutions to help keep you from running out of gas. These quality OE replacements will restore reliable fuel gauge readings with the proper fit and function. Replace a failing unit with the Dorman tank level sensor designed for your vehicle application.
( 60 )
$143.99
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$179.99
Clearance
Bosch T5 Heavy-Duty Dual Purpose Performance Batteries
Bosch T5 heavy-duty dual purpose performance batteries, with full frame technology, provide maximum performance and cycle stability—especially for vehicles with a high energy demand and frequent discharge cycles. Dual-purpose functionality provides reliable power supply for all electronic demand, even with the engine shut off. Order the model recommended for your vehicle application.
Not Yet Reviewed
$205.99
$131.50
Summit Bucks
Monroe Monro-Magnum 70 Shocks
Monroe Monro-Magnum 70 shocks are designed to deliver a firm, controlled ride for greater stability and increased driver comfort. They fit just about any medium or heavy-duty truck, tractor, trailer, or bus on the road today—and meet or exceed demanding OE manufacturer specifications. Their multi-lip fluid seal is designed for smooth performance, long life, and reduced friction. Additional features: * 2 3/4 in. reserve tube * Large 1 3/4 in. piston bore * Hardened 7/8 in. diameter piston rod * Resistance and arc-welded mounts provide 18,000 lbs. tensile strength for maximum durability (on most applications) * Patented unique hydraulic rebound lockout (when required) * Heavy-wall drawn over mandrel (DOM) pressure tube
Not Yet Reviewed
$100.99
Dorman Oil Pan Gaskets
Dorman offers engine oil pan gaskets for a wide range of applications, including many Ford, Lincoln, Mercury, Chevy, Geo, and Toyota models from the 1980s and '90s. These one-piece rubber replacements are designed to restore leak-free performance after the original gasket has corroded or deteriorated. The new gaskets are manufactured to match the fit on specific year/make/model vehicles.
Not Yet Reviewed
$213.99
Dorman Exhaust Brake Actuator Solenoids
Quickly slow down your light-duty or diesel-engine vehicle, with Dorman exhaust brake actuator solenoids. They are ideal replacement parts and help control downhill vehicle speeds, assist in deceleration, reduce brake heat and wear, and provide better overall braking for the conventional brake system.
Not Yet Reviewed
$119.99
United Pacific Bug Deflectors
United Pacific bug deflectors are just what you need to keep the front-end of your truck or sports utility vehicle looking like it just rolled off the factory floor. These sleek-looking stainless steel guards provide a classier, more forgiving alternative to plastic deflectors—to stop rocks from dinging your hood, and flying insects from making an unsightly mess on your windshield and hood finish. United Pacific bug deflectors are available in a variety of styles and offer a simple, no-drill installation on most vehicles. Order the model tailored for fitment on your application.
Not Yet Reviewed
$149.99
Universal Air Conditioner Evaporator Cores
Universal Air Conditioner evaporator cores are available in different models, each one is a genuine replacement of the Original Equipment part. All evaporator cores are quality-built to OEM specifications to deliver a superior combination of perfect fit, and high-efficiency function as your factory component to help you restore your vehicle's A/C system back to its proper operation. Order the model recommended for your application. Additional features and benefits: * Helps maintain a desired temperature inside your car * Made of durable materials * Ensures reliable performance * Guarantees high-efficiency * Provides long-lasting service life
( 9 )
$101.99
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$202.99
Continental Replacement Tensioner Pulleys
Continental replacement tensioner pulleys are direct replacements for the stock tensioners and are available for a variety of applications. All Continental replacement tensioner pulleys meet or exceed OEM specifications for all major car manufacturers.
( 9 )
$153.99
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$172.99
HushMat Floor Kits
HushMat floor kits are created to reduce thermal transfer into your interior that comes from the engine, headers, exhaust, and catalytic converter. HushMat's proprietary USA-manufactured visco-elastic chemistry dissipates heat insulating your interior, causing less load on your air conditioning system to make your vehicle significantly cooler and more comfortable. Additional features and benefits include: * HushMat butyl sheets are available in stealth black or silver * Self-adhesive peel-and-stick installation (no glue required, no alcohol or acetone wash needed; no installation tools required) * Universal application (can be applied to firewall, floor pan, tunnel, doors, roof, rear wheel wells, trunk, and quarter panels) * Reduces heat and thermal transfer by over 40 percent * Lightweight and super-flexible (less than 1/8 in. thick and 0.47 lbs. per sq. ft.) * Trims easily with standard razor knife or household scissors * Stay warmer in the winter and cooler in the summer (insulates from -30 degrees up to 550+ degrees F) * Reduces road noise and vibration (low-frequency noise from 0 to 1,000 Hz) * OEM approved * Installs in half the time vs. other brands
( 23 )
$190.68
United Pacific License Plate Brackets
United Pacific offers license plate brackets for a variety of classic vehicle applications. These steel backing plates are machined from steel with a protective black EDP finish. They furnish a secure foundation for you to attach your auto digits to!
( 1 )
$156.99
Four Seasons Evaporator Cores
Diagnosing a refrigerant leak at the evaporator can be difficult. Four Seasons evaporator cores are high-quality, OEM replacements for when your old one goes out. These aluminum evaporator cores are leak-tested for maximum durability and are available in sizes and styles to fit your application. It doesn't matter what season of the year it is--Four Seasons evaporator cores are ready for climate control.
( 34 )
$158.99
Four Seasons Heater Cores
Four Seasons heater cores feature heavy-duty construction for durability and quality engineering to help provide the original factory fit, form, and function. All units include OE-style hardware for installation ease and receive independent testing for proven quality and performance. Keep your older vehicle operating like new with the replacement Four Seasons heater core designed to fit your vehicle.
( 11 )
$100.99
Four Seasons Blower Motors
Four Seasons replacement blower motors are available for a variety of applications. These motors allow you to supply the correct volume of air to the heating and/or cooling system of your vehicle. These motors help to keep you warm or cool during all four seasons!
( 97 )
$104.99
United Pacific Commercial Truck Fender Guards
United Pacific stocks a variety of stainless steel fender guards, adding durability and shine to your big rig. They include mounting hardware or double sided tape. UP knows it's the little things that can make the biggest difference on the road. Shield and protect your fenders from common road debris while adding a touch of class with United Pacific fender guards.
Not Yet Reviewed
$107.99
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$133.99
United Pacific Exterior Window Trim
United Pacific exterior window trim helps to seal out dirt, dust, and road debris from entering your cab. UP offers a variety of chrome and stainless steel window trims for Peterbilt, Freightliner, and Kenworth. Chopped stainless steel trims are also a great way to help keep the sun away from your eyes. United Pacific window trim is quite easy to install too.
Not Yet Reviewed
$102.99
Spectra Premium Heater Cores
Spectra Premium heater cores feature the highest grade materials used in production to ensure product longevity. These heater cores are designed for an exact fit in your vehicle's OE heater casing. Spectra Premium cores use state-of-the-art engineering to meet or exceed manufacturers' specifications. All Spectra Premium heater cores are 100 percent leak-tested and guarantee quality assurance.
( 46 )
$175.99
Dorman Windshield Wiper Arms
Dorman windshield wiper arms are manufactured to OEM specifications and tolerances, so you know that they will bolt on without any modifications. Available for driver side, passenger side, or rear window applications.
( 59 )
$110.99
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