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2004 PETERBILT 379 Parts and Accessories
Showing In Stock Items. Show All 49 Items.
Dayco Standard Heater Hoses
Dayco standard heater hoses carry the heated coolant from the engine block to the heater core under the dashboard, and return it to the engine. They're made for general service on light trucks and passenger cars. The ultra-durable hoses are constructed using all EPDM compounds, with spiral reinforcement for high burst strength and heat resistance of -40 degrees F (-40 degrees C) to +257 degrees F (+125 degrees C). These black cover hoses are similar to the SAE 20R3, Class D-2, and are specifically designed to be compatible with all common coolants and coolant additives. However, they are not suitable for fuel or oil transfer. Dayco heater hoses are available in a variety of diameters and lengths.
( 45 )
$54.99
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 )
$66.99
Summit Bucks
Monroe Gas-Magnum 65 Series Shock Absorbers
Monroe Gas-Magnum 65 shock absorbers are the first gas-charged, large-bore shocks specifically designed for air spring and taper leaf suspensions. The nitrogen gas charge provides the fast response essential for today's heavy truck suspension systems. Their extra-large piston bore is engineered to handle the demands of high mileage and severe use. When combined, the gas charge and large-bore offer the consistent control necessary for demanding truck suspensions.
( 2 )
$69.99
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$92.99
United Pacific Ultralit LED Headlights
United Pacific offers Ultralit LED headlights for a variety of applications. Order the high power LED crystal headlight best suited to fit your project.
Not Yet Reviewed
$66.99
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$67.99
Gabriel Heavy-Duty Shocks
Gabriel offers heavy-duty shocks for a variety of specialty applications, including commercial trucks and trailers. They're available in dozens of collapsed and extended lengths to accommodate stock and custom ride heights. These shocks deliver unbeatable ride comfort, control, and performance.
( 3 )
$70.99
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$86.99
Ram Mounts Twist-Lock Suction Cup Mounts
Ram Mounts Twist-Lock suction cup mounts consist of a high-strength composite 3.3 in. suction cup base matched with various powdercoated, marine grade aluminum mounting components. Together they provide and endless selection of mounting possibilities--from the simple Diamond ball base to the double socket arm and cradle combinations. Many feature RAM patented rubber ball and socket system that allows for almost infinite adjustment and perfect viewing angles. Ram Mounts Twist-Lock suction cup mounts ensure a strong hold on glass and non-porous plastic surfaces, including Ram adhesive discs.
( 6 )
$70.49
Gabriel FleetLine 83000 Series Shocks
Gabriel FleetLine 83000 Series shocks offer reliability that consistently delivers. Proven and perfected in real-world use, the 83000 Series for Class 3 to 6 vehicles is engineered to be more rugged and robust for longer life and maximum durability. They feature best-in-class hydraulic stops, rugged, self-compensating piston seals, and super-finished chromed piston rods. The 10-stage valving provides drivers of these heavy-duty rigs with comfort, control, self-cleaning functionality, enhanced operation, and prolonged performance. Order the size needed for your application—then trust your world of continuous deliveries, pick-ups, drop-offs, and deadlines to Gabriel FleetLine 83000 Series shocks. Features and benefits: * 1 3/8 in. bore--ideal for both light and heavy truck suspensions * Hydraulic stop provides unparalleled durability, inhibits topping-out and over-extending the suspension * Self-compensating piston seal delivers consistent damping ability and reduced fade throughout the life of the shock * Chromed piston rod ensures superior corrosion resistance, solid performance, and extended life * Drawn-Over-Mandrel (D.O.M.) tubing reduces internal wear
( 12 )
$52.99
Dorman Air Door Actuators
Is the heat or air conditioning only working on one side of your vehicle? Is the defrost not working at all? Dorman can help with these replacement air door actuators. Their redesigned housing will last longer than the factory units and will give you years of trouble-free service.
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$63.99
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$71.99
Summit Bucks
Monroe Gas-Magnum 60 Series Shock Absorbers
Monroe Gas-Magnum 60 shock absorbers provide a quicker response, along with a stable, more comfortable ride. These hardworking shocks will help reduce excessive vibration that can result in better tire life, less downtime, and lower cost per mile. Replace your worn-out shocks with ones that will save you time and money—Monroe Gas-Magnum 60 shock absorbers. Gas-Magnum 60 shocks may feature: * Nitrogen gas charged * Multi-lip fluid seal * Resistance and arc welded mounts (most applications) * Patented hydraulic rebound lockout (when required) * 10-stage full displaced valving (most applications) * 2 in. or 2 3/8 in. reserve tube (where required) * 1 3/8 in. bore (most applications) * 5/8 in. piston rod (most applications)
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$50.99
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$79.99
Dorman Windshield Washer Fluid Reservoirs
Is your windshield washer fluid leaking out of the reservoir? Heat and engine vibration can damage plastic over time causing cracks and leaks. Dorman windshield washer reservoirs are built from premium plastic to withstand the effects of the physical damage created in the engine compartment. They are thoroughly tested to ensure performance and long lasting quality over time. Features include: * Reservoir cap included * Level sensor included (where applicable) * Direct OE replacement for a proper fit every time * Quality-tested to ensure trouble-free installation and performance
( 12 )
$75.99
Dorman Water-in-Fuel Sensors
Dorman water-in-fuel sensors are quality replacements that match the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of top-grade materials, the WiF sensors have undergone extensive testing to ensure durability and withstand exposure to diesel fuel. They are available as sensors, assemblies, and units with separator or drain valves. For cost-effective solutions for your vehicle maintenance and/or repairs, choose Dorman—original equipment quality at a more affordable price.
Not Yet Reviewed
$86.99
Summit Bucks
Monroe Gas-Magnum Cab Suspension Shocks
Monroe Gas-Magnum cab suspension shocks isolate your cab from the frame, preventing road-induced noise, vibration, and harshness from reaching the driver. You spend a lot of time in your rig; make the ride smoother and more comfortable with Monroe Gas-Magnums. Choose the size compatible with your vehicle application. Shock highlights may include: * Bonded bushings—resist bushing walkout for a longer service life * Nitrogen gas-charged—improved ride and handling, and maintains tire-to-road contact by reducing aeration * 2 in. reserve tube—more fluid for more consistent performance * 1 3/8 in. bore—provides more efficient and consistent control * 5/8 in. diameter piston rod—larger for greater strength and service life * Resistance and arc-welded mounts—provides 12,100 lbs. of tensile strength for maximum durability * All-weather fluid—special modifiers reduce friction and ensure smooth rod reaction * 10-stage valving—reacts to a wide range of driving conditions
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$52.99
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$72.99
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 )
$53.99
Universal Air Conditioner Blower Motors
Universal Air Conditioner's line of electrical components include HVAC blower motors—quality-built to OEM specifications for accurate fit and high-efficiency function as your factory component to help you restore your A/C system back to its proper operation. These units are available in different models, some may include both motor and fan (wheel). With UAC's extensive quality control procedures and affordable pricing, you can be confident you're getting a premium product when you decide to purchase the recommended model designed for your vehicle application. Additional features and benefits: * Consistent quality, competitive cost, and a large product range * Helps maintain a desired temperature inside your car * Some units come with fan wheel, depending on model * Made of durable materials, ensures reliable performance * All units are pressure tested to ensure product quality
( 3 )
$52.99
Dorman Exterior Door Handles
Dorman offers over 1,000 varieties of exterior door handles. If one of your auto, truck, or van handles needs to be replaced, these OE-quality parts are made specifically for your application—including smooth and textured finishes, chrome plating, key options, and more. Dorman handles are available for both the front and rear of the driver and passenger sides. They're designed for a perfect fit, easy installation, and many years of weather-resistant use.
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$57.99
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$60.99
Gabriel FleetLine 85000 Series Shocks
Gabriel FleetLine 85000 Series shocks are designed and built so that Class 6-8 trucks, buses, and trailers can push the limits of longevity and performance. They feature a larger bore, bulged design, and a pressurized, floating piston seal to deliver the kind of unrelenting strength, reduced fade, and impressive proficiency that your fleet can always count on. Choose the size and style needed for your application. Additional features: * Large 1 5/8 in. bore, which supplies improved durability and greater tensile strength for harsher operating conditions * Bulged design, providing increased fluid capacity and cooler operation in extreme conditions * Forged solid steel eye rings and 360 degree arc-welded end mounts—to deliver tough tensile strength that reduces end mount failures * Best-in-class hydraulic stop, for unparalleled system durability … and to inhibit shocks from topping out and suspension from over-extending * Rugged, self-compensating piston seal, for consistent damping ability and reduced fade throughout the shock life * Super-finished chromed piston rod, ensuring superior corrosion resistance, unyielding performance, and extended product life * Custom-blended high-temperature fluid, which reduces friction and wear in extreme operating conditions * 10-stage valving that equips drivers with maximum comfort and control, enhanced durability in harsh operating environments, and self-cleaning functionality for longer performance * D.O.M (Drawn-Over-Mandrel) tubing—reducing internal wear
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$60.99
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$63.99
Dorman Vehicle Speed Sensors
Dorman has you covered on all of your vehicle speed sensor needs. The speedometer gauge on your dashboard is getting its data from somewhere--and these are the units. Dorman takes pride in having produced high-quality OE replacement parts with state-of-the-art equipment since 1918. Take advantage of having access to an industry-leading brand originally intended only for dealers. Dorman vehicle speed sensors are available for many makes and models of cars and trucks. Match your vehicle specs with the sensor that'll get you back up to speed!
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$60.99
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$74.99
Dorman Camshaft Position Sensors
Don't take chances with an old, questionable, or malfunctioning camshaft position sensor that can leave you stranded. These Dorman camshaft position sensors read the camshaft position and relay this information to your vehicle's ECM. This information is required for functions such as initiating injection on sequential injection engines, the trigger signal for the magnet valve on pump valve injection systems, and for cylinder-specific knock control. Dorman camshaft position sensors are designed to exceed OEM specifications for accurate, reliable, maintenance-free operation. Trust your vehicle's engine management system needs to Dorman.
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$60.99
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$76.99
Dorman Fuel Injector O-Rings
Dorman fuel injector O-rings are engineered from top-grade materials for superior resistance to fuel, oil and heat. They will maintain an air-tight seal, and the kits contain multiple rings in various sizes to make your installation fast and convenient. Fuel injector O-rings should be replaced any time you service the fuel injectors. These replacements are available in a dozen thickness options for universal and application-specific use. Order the size and set quantity needed for your projects.
( 6 )
$58.99
Dorman EGR Cooler Gasket Kits
Dorman EGR cooler gasket kits provide a tight seal for your EGR cooler, to stop and prevent air leaks. They contain all of the gaskets and O-rings you need for a complete repair of the EGR cooler. The kits may also be used for a variety of other automotive repairs, including intake manifold replacement and oil cooler service.
Not Yet Reviewed
$73.99
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$74.99
Dorman Oil Pressure Sensors
Dorman oil pressure sensors are direct replacements for your failed originals on specific applications. They are ruggedly designed and built to withstand required operating pressures and temperatures. These cost-effective solutions will provide an OE fit and function for reliable performance and an easy install. Trust Dorman oil pressure sensors to restore accurate readings.
Not Yet Reviewed
$55.99
Dorman Crankshaft Position Sensors
Dorman crankshaft position sensors are direct-fit replacements that are easy to install and offer long, reliable service. They are constructed from high-quality plastic with metal-reinforced mounting points to protect against failure. Dorman sensors accurately measure crankshaft location to detect misfires and control engine timing. They are manufactured to strict engineering quality standards and are available for a wide variety of applications.
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$68.99
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$76.99
Continental Accu-Drive Idler Pulleys
Continental Accu-Drive idler pulleys deliver OE form, fit, and function for optimum performance and durability. They are application-specific and follow original equipment material requirements. Additional hardware is provided when required, avoiding the need to hunt down replacements for stripped bolts or missing washers. Continental idler pulleys come ready to install without any extra fabrication or machining. Thermoplastic pulleys features include: * Available for smooth and grooved applications * Glass-reinforced thermoplastic provides ideal dimensional control and running surface durability * Service-free, sealed ball bearings * Molded-in bearing for optimum fit and long service life * Precise dimensional tolerances for smooth operation. Steel pulleys features include: * Precision steel stamping * Close tolerance ball bearing pocket * Electro-deposited coating for superior corrosion resistance * Crowned running surface aids proper belt tracking
Not Yet Reviewed
$66.99
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$71.99
United Pacific Interior Trim Covers
Update your existing trim covers with some high-quality covers from United Pacific. These are available for a wide variety of interior accessories and fit many different makes and models. Nothing sets your interior apart from the rest like accents from United Pacific. From door panels to steering columns to window posts, shiny veneer covers will immediately enhance your truck cab. Order the molding pieces designed to fit your vehicle application.
Not Yet Reviewed
$57.99
