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FREIGHTLINER MT45 Parts and Accessories

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Dorman Crankcase Breather Filters

Is your crankcase breather filter clogged up with oil? Replace it with a new one! Dorman steel crankcase breather filters are designed to allow for proper crankcase ventilation for more efficient filtering and air circulation.

5.0 out of 5 stars ( 2 )

$111.95

GMB OE Replacement Water Pumps

GMB OE replacement water pumps are precision-built and balanced to meet or exceed original equipment specifications. They're assembled with heavy-duty steel bearings—and are lubricated and sealed for life. Order the model designed for your vehicle application. All GMB water pumps are factory-tested for quality and include the following features: * High-flow design for long-lasting, efficient cooling * Designed for OE fit and performance * Precision-ground shaft and hub accept OE fan clutches perfectly * OE-quality forged housing is specially formed to ensure maximum coolant flow * Pressed-on impeller increases water flow * Unique no-sealant-required gasket makes installation fast and easy * Unitized seal protects bearings for long life and leak-free performance * Factory-sealed, precision-ground, one-piece bearing assembly

4.33 out of 5 stars ( 550 )

$115.99

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$154.99

Raybestos Element3 Brake Calipers

Raybestos Element3 calipers are designed for quality-driven customers. Precision engineered to meet OE performance and durability, this innovative line offers upgraded product attributes, including EHT friction formulations, coated rotors, and new plated calipers, delivering a new level of control and confidence on the road. Raybestos Element3 calipers and caliper bracket assemblies are available for a multitude of applications, including popular applications and applications with high replacement rates. Select the semi-loaded Raybestos Element3 calipers designed for your vehicle. Features: * Engineered to meet OE performance * Coated aluminum or plated castings provide superior corrosion prevention * Zinc plating on cast iron housings and brackets delivers superior corrosion resistance in the harshest of elements * Hardware for brackets (where applicable) * Meets 96-hour salt spray corrosion resistance ASTM B-117 test standards * 100 percent new components * Calipers are friction-ready calipers, so you can add your choice of brake pads

5.0 out of 5 stars ( 6 )

$105.99

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$108.99

Bosch Premium Original Equipment-Type Oxygen Sensors

Save the environment and gasoline dollars. Tune-up with Bosch premium original equipment-type oxygen sensors for lower emissions and greater fuel economy. Properly functioning oxygen sensors are important when it comes to your vehicle's fuel economy and reducing harmful exhaust emissions. That's why checking for and replacing a worn-out oxygen sensor with one of these Bosch sensors is an important part of every routine tune-up. These O2 sensors feature an OEM connector for ease of installation. Bosch invented the automotive oxygen sensor and is the top choice of carmakers around the world. Order the model designed for fitment with your vehicle.

4.71 out of 5 stars ( 188 )

$105.99

Phoenix D.O.T. Liner Wheel Simulators

These D.O.T. liners from Phoenix not only look great, but also require no removal of lugs for mounting. Made from T304L stainless steel for lasting beauty and durability, these liners feature a protective rolled edge for strength and handling safety. They won't violate your chassis manufacturer's warranty and are easy to install and remove with no additional tools required. Countless styles, sizes, and bolt patterns are available for vehicles from the 1960s and up. Order the model recommended for your application.

4.81 out of 5 stars ( 291 )

$170.99

Dorman Valve Cover Gaskets

Stop dripping oil with these Dorman valve cover gaskets. They are manufactured from high-quality materials to help seal the valve cover to the cylinder head. Available for a variety of engines and configurations, these Dorman valve cover gaskets are an excellent choice for your OEM rebuild.

4.33 out of 5 stars ( 18 )

$160.99

Dorman Exhaust Backpressure Sensors

Dorman exhaust backpressure sensors accurately and reliably read your vehicle's exhaust pressure, enabling the PCM to control the amount of turbo boost. These direct replacements are quality-tested and engineered for lasting durability and increased performance. Dorman exhaust backpressure sensors deliver an OE fit, form, and function, with an easy plug-and-play installation.

5.0 out of 5 stars ( 1 )

$103.99

Granatelli Motor Sports Malevolent Coil Packs

Granatelli Motor Sports Malevolent coil packs deliver nearly twice the voltage as the competition. Rated at up to 85,000 V, these nasty little units not only increase power to your plugs, but improve fuel economy, throttle response, and idle characteristics. Malevolent coil packs are bred of a one-piece design that offers you a direct OEM replacement with simple plug-and-play installation—and they won't void your factory warranty! Increase your engine efficiency with improved combustion, powered-up though the intense-performing Granatelli Motor Sports Malevolent coil packs. Order the individual pack or set recommended for your vehicle and engine application.

5.0 out of 5 stars ( 16 )

$117.65

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$117.67

Dorman Diesel Emission Fluid System Components

Dorman diesel emission fluid system components help keep your DEF system operating properly. Available for most applications, Dorman offers most major components in the system, including modules, level sensors, caps, heaters, feed lines, and tanks. So if your DEF system is in need of repair, look no further than Dorman.

Not Yet Reviewed

$137.99

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

4.16 out of 5 stars ( 19 )

$226.99

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$246.99

Universal Air Conditioner Air Conditioning Compressor Clutches

Air conditioning compressor not engaging? Universal Air Conditioner offers A/C compressor clutches that are designed to match the fit and function of the original equipment part to help restore proper function to the A/C system. They are made of durable materials to offer long-lasting service life. Choose the A/C compressor clutch model recommended for your application needs.

5.0 out of 5 stars ( 1 )

$155.99

Melling Oil Pumps

Why waste time installing an old, worn-out oil pump when you can get a brand new Melling replacement oil pump at such a low cost. They're manufactured from a variety of high-quality materials with all-new components—and are individually hand-turned and pressure-tested to guarantee that they'll perform as well as OEM. These pumps are available in various styles, pressures, and volumes (some include an oil pickup). Find the model designed for fitment with your vehicle and engine.

4.56 out of 5 stars ( 350 )

$229.99

Dorman Throttle Position Sensors

These Dorman throttle position sensors are made of high-quality materials and enable you to monitor the position of your throttle. They replace your factory throttle body position sensor. Dorman has the best quality OEM replacement throttle body position sensors you'll find on the market.

5.0 out of 5 stars ( 4 )

$130.99

Holstein Parts Fuel Pressure Sensors

Holstein Parts fuel pressure sensors are direct OE-replacement sensors that monitor the pressure within your vehicle's fuel rail and relay this data to the engine's computer (ECU). They're essential for calculating the correct air/fuel ratio, ensuring optimal fuel economy, preventing engine misfires, and keeping your vehicle running smoothly. These sensors are available for a wide range of applications. Additional details: * OEM Fit and Function: Designed as a direct-fit replacement, exactly duplicating OE parameters for hassle-free installation * Durable Materials: Manufactured to handle high engine temperatures with rugged, heat-resistant components and OE-style watertight connectors * Reliability: Produced in ISO/IATF-certified facilities * Symptom Resolution: Replaces failing sensors to resolve issues like hard starts, random power loss, rough idling, and check engine lights

Not Yet Reviewed

$126.99

MotoRad Saddle Tank Fuel Caps

MotoRad saddle tank fuel caps are OEM quality in construction and materials and feature all the same safety standards you will find on the original equipment cap. MotoRad offers standard non-locking fuel caps or locking fuel cap styles. Whichever gas cap style you choose, by replacing an old, leaky, or missing gas cap, you will benefit with three important functions--safety for the vehicle's occupants, better fuel economy (deter gas evaporation), and to help reduce emissions.

Not Yet Reviewed

$105.99

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.

4.11 out of 5 stars ( 9 )

$113.99

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$128.99

Continental Heater Hoses

Continental heater hoses are designed for vehicles that need custom-routed heater hoses. They meet or exceed SAE J20R3, D1 specifications, so they'll stand up to the heat. Continental heater hoses use rugged construction; most are manufactured from Versigard rubber—a compound highly resistant to heat, oil, and weather. Their patented knit reinforcement is typically made with Tylanar fabric, a material that also meets the safety requirements. Some models incorporate other high-grade materials, as well. Continental heater hoses are available in a variety of diameters and lengths compatible with numerous of makes/models.

4.0 out of 5 stars ( 13 )

$232.99

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.

3.5 out of 5 stars ( 6 )

$109.99

Dorman Turn Signal Switches

Dorman offers a wide variety of direct-replacement turn signal switches. They are critical replacement items for safety and are essential for passing state inspections. Dorman turn signal switches are plug-and-play for easy installation and are all quality-tested for trouble-free performance.

3.67 out of 5 stars ( 9 )

$150.99

Dorman Diesel Particulate Filter Differential Pressure Sensors

Dorman diesel particulate filter differential pressure sensors are a direct replacement for your OE. They ensure that your diesel vehicle`s exhaust system monitors the amount of soot and matter released into the atmosphere. These sensors also measure exhaust pressure, indicating if the diesel particulate filter is clogged. Reduce your chances for an under-performing engine with the Dorman diesel particulate filter differential pressure sensors designed for your application--no special tool required for installation!

Not Yet Reviewed

$144.99

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

$202.99

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$217.99

Dorman MAP Sensors

Dorman MAP (manifold absolute pressure) sensors significantly cut repair costs, providing a cost savings advantage. For accurate air intake system pressure readings, the MAP sensor will measure the amount of pressure inside the manifold. Constructed of plastic and brass material for increased durability, these are direct replacement units for a proper fit every time. Replacing a failed sensor will restore proper engine function and drivability to your rig. Dorman MAP sensors are thoroughly tested to meet quality standards, and no special tools are required for installation.

Not Yet Reviewed

$109.99

Dorman Accessory Drive Belt Tensioners

Dorman accessory drive belt tensioners are designed to match the fit and function of the original equipment tensioner on specified vehicles. These replacements are manufactured using quality components, ensuring durability and performance without breaking your budget. They're available in a variety of pulley styles, including serpentine and smooth. Order the model recommended for your vehicle.

Not Yet Reviewed

$121.99

MotoRad Locking Fuel Caps

Deter fuel theft and vandalism with some help from MotoRad Products. These MotoRad locking gas caps offer OEM-quality construction and materials and a famous maker lock cylinder with two keys. MotoRad locking gas caps are available in push-on, threaded, and quick-on styles, depending on your application.

3.46 out of 5 stars ( 13 )

$174.99