Western Star 3700 Parts

Western Star 3700 Engine Parts

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$273.99

This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive testing to ensure adherence to precise design standards.

Product Features:

Direct replacement – this engine timing cover matches the fit and function of the original equipment cover
Durable construction – this part is specifically designed to withstand extreme underhood temperatures for a long service life
Cost-effective solution – offers original equipment quality at a competitive price
Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life

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$1204.99

Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:

Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
Complete assembly – includes replacement pan and drain plugs to match original components
Durable design – high-strength coating prevents future corrosion
Trustworthy value – backed by team of engineers and quality control experts in the United States

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$167.99

This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:

Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
Durable construction – designed and manufactured to strict specifications for reliable performance
Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience

Western Star 3700 Belts and Hoses

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$84.99

Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.

Product Features:

Special belt construction eliminates belt noise, reduces tension loss and solves problem drive applications
EPDM rubber constructions resist cracking on the rib surface
Meets or exceeds all specifications from the Original Equipment Manufacturer
Replacement of the tensioner is recommended (if equipped)
Unique form grinding of each individual belt assures precise dimensional control.
Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.

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$127.99

Gates FleetRunner Micro-V Belts are designed for the toughest applications. FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:

Patented material provides peak performance at prolonged extreme operating temperatures
Construction resists cracking and wear, even at extreme temperatures
The special compound provides unprecedented flexibility, stability, load-carrying capacity and belt life.
Troubleshooting designed for the toughest applications
Consistently outperforms other heavy-duty serpentine belts on the market
Designed to save your fleet money and reduce downtime
Replacement of the tensioner is recommended (if equipped)

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$37.99

Designed for the toughest applications, FleetRunner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.

Product Features:

The patented material provides optimal performance at extremely high operating temperatures.
Crack, wear, oil, and heat resistant construction
A special compound ensures unmatched stability, load capacity and belt life.
Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
Problem solver for failed disks
Designed to save your fleet money and reduce downtime
Meets RMA standards for oil and heat resistance and static conductivity requirements

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$37.99

Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.

Product Features:

Fiber-loaded rubber stock adds flexibility along the length of the belt and provides greater lateral stability in the pulley
Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
Thermally active pull cords for maintenance-free operation when the strap is properly installed and tensioned
Resists oil, heat, ozone, weather, and decay to improve belt life
Meets or exceeds SAE J636C specifications

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$68.99

Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.

Product Features:

Engineered to handle operating conditions with temperatures up to 130°C (266°F)
Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
Capable of delivering excellent performance in high torque and high power pulse applications
Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt

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$5.29

The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.

Product Features:

This belt is made with bottom cogs to provide the maximum flexibility and grip required on v-belt drives
Polyester cords provide extreme tension-holding capability for longer belt life
The raw edge belt design delivers the maximum gripping power
The highly engineered rubber compounds are resistant to under hood heat and ozone deterioration

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$13.49

Dayco® High Performance V-Belt is the workhorse of the heavy-duty industry. Polyester cord provides maximum power transfer and tension holding capability for the life of the belt. The laminated construction helps absorb greater shock loads associated with diesel engines. These Dayco® High Performance V-Belt advantages translate into less downtime, lower maintenance costs, and increased dependability. Dayco’s High Performance V-Belt meets or exceeds SAE J636 and J637 specifications.

Product Features:

The High Performance V-Belt design delivers more flexibility and increases airflow around the belt, so it runs cooler and lasts longer than most competitive belts
Polyester cord provides maximum power transfer and tension holding capability for the life of the belt
The laminated construction helps absorb greater shock loads associated with diesel engines
Made with specially formulated rubber compounds, this belt is highly resistant to extreme under hood temperatures that can cause premature damage to under engineered rubber compounds

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$38.99

Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:

Materials specially designed to resist collapse in a vacuum
Designed to withstand electrochemical degradation, the leading cause of hose failure
Pre-shaped to fit and to ensure perfectly sealed conditions
EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
Caution: Do not use for fuel or oil transfer applications

Western Star 3700 Fuel and Emissions Systems

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$359.99

Delphi knows OE technology and how to service diesel systems. For more than 60 years, we have partnered with 25 OEM’s to bring our OE diesel powertrain knowledge and expertise to the aftermarket. Delphi diesel systems operate at high performance to meet today’s tough emissions standards and are built to OE specifications for the fit, form, and function technicians expect. Trust Delphi for an unrivalled, cost-effective diesel program to help build your business.

Product Features:

100% O Ring replacement
All Delphi injectors are tested utilizing OE methodologies
Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
No internal seal rings equals minimized leakage
Recessed fuel exit minimizing possible plugging
Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock

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$388.99

CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.

Product Features:

All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
All components are renewed or replaced as necessary to ensure high quality and durability
When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
Guaranteed fit and function
Meets or exceeds O.E.M. performance.

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$86.99

Carquest Premium Fuel/Water Separator Filters remove water and other impurities from the fuel before it reaches your engine fuel system. These filters effectively separate water from the fuel, preventing corrosion and damage to fuel injectors, pumps and other critical engine components. By keeping the fuel clean and water-free, these filters help ensure optimal combustion, improve engine efficiency, and reduce emissions. Carquest Premium Fuel/Water Separator Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Application engineered media which aids in stripping water in diesel fuels
Patent pending drain, metal end caps, which hold media in place
Rust resistant can, ensuring no leakage from inside
Made in USA
Includes Integral Post Seal. Sensor Port Thread: 1/2-20

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$93.99

Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
Includes Port Thread: M95 x 2.5

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$99.99

Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

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$53.99

Protects your fuel from theft and vandalism
Manufactured from durable, long-life materials
Independently tested for emission control
Passes all state and federal emissions tests
Reduces air pollution with proper sealing and venting

Western Star 3700 Steering and Chassis Parts

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$50.99

CARDONE Steering Filters are uniquely designed to protect the steering system from damaging contaminates, which impacts performance and leads to premature power steering pump failure. These compact filters are easy to install, provide magnetic filtration, can be serviced in-line and are highly recommended to extend the life of your steering system. Available in 3/8″, 1/2″, and 5/8″ sizes to cover a most vehicle applications.

Product Features:

In-line filter with serviceable filter element
Patented built-in bypass that filters up to 190 micron particles
Designed to extend the life of the steering system
Sure-grip barb connections are included to ensure proper hose fitment

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$32.99

In-line filter with serviceable filter element.
Patented built-in bypass that filters up to 190 micron particles.
Designed to extend the life of the steering system.
Sure-grip barb connections are included to ensure proper hose fitment.

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$35.49

In-line filter with serviceable filter element
Patented built-in bypass that filters up to 190 micron particles
Designed to extend the life of the steering system
Sure-grip barb connections are included to ensure proper hose fitment

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$47.49

In-line filter with serviceable filter element
Patented built-in bypass that filters up to 190 micron particles
Designed to extend the life of the steering system
Sure-grip barb connections are included to ensure proper hose fitment

Western Star 3700 Cooling and Climate Controls

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$31.49

High quality OE replacement part with all components needed to complete the job.

Product Features:

Galvanized steel construction
Meets all requirements of international standard ISO 140
Suitable for a wide variety of applications
Set screw installation
Galvanized steel construction
Meets all requirements of international standard ISO 140
Suitable for a wide variety of applications
Set screw installation

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$80.99

This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this HVAC heater water shut-off valve actuator is made to match the fit and performance of the original actuator on specific vehicle applications
Ideal solution – this actuator is a reliable replacement for an original part that has failed due to collision damage or fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$235.99

Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

Product Features:

100% tested for reliable performance
Durable housing features precisely machined mounting surface for proper sealing and fitment
Equipped with weep chamber or similar feature to help prevent unnecessary replacement
Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
All gaskets or seals necessary for water pump are included
This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components

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$199.99

100% tested for reliable performance
Durable housing features precisely machined mounting surface for proper sealing and fitment
Equipped with weep chamber or similar feature to help prevent unnecessary replacement
Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
All gaskets or seals necessary for water pump are included
This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components

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$211.99

100% tested for reliable performance
Durable housing features precisely machined mounting surface for proper sealing and fitment
Equipped with weep chamber or similar feature to help prevent unnecessary replacement
Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
All gaskets or seals necessary for water pump are included
This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components

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$25.99

Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:

High grade stainless steel and copper construction
Meets or exceeds OEM standards
Consistent and precise response to cooling system needs
Original equipment design for worry-free direct fit replacement
100% tested and calibrated

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$26.99

High grade stainless steel and copper construction
Meets or exceeds OEM standards
Consistent and precise response to cooling system needs
Original equipment design for worry-free direct fit replacement
100% tested and calibrated

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$36.49

Carquest Accumulators and Receiver Driers are designed to store, filter and dry the air conditioning refrigerant to provide proper performance and durability for the air conditioning system. They are manufactured to meet or exceed original equipment specifications.

Product Features:

All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
All accumulators and receiver driers are helium leak tested prior to packaging.
O-Rings necessary for installation are included.

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$46.99

All parts meet or exceed original equipment standards for moisture absorption, pressure and temperature resistance, air tightness, vibration resistance, corrosiveness, and pulse pressure.
Desiccant is 100% tested and assembled in a controlled environment to ensure performance meets or exceeds original equipment standards.
All accumulators and receiver driers are helium leak tested prior to packaging.
O-Rings necessary for installation are included.

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$80.99

Direct replacement – this HVAC heater water shut-off valve actuator is made to match the fit and performance of the original actuator on specific vehicle applications
Ideal solution – this actuator is a reliable replacement for an original part that has failed due to collision damage or fatigue
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Looking for the best Western Star 3700 aftermarket replacement parts? Replacing worn and broken parts on your Western Star 3700? Check out our online catalog to find the best selection of aftermarket Western Star 3700 parts as well as real user reviews on Western Star 3700 replacement parts. Make an informed decision about every component you add to your 3700.

At Advance Auto, we’ve got you covered when it comes to getting your Western Star 3700 in tip top condition. We’ve got over 82 Western Star 3700 parts to choose from in popular categories like Engine Parts, Belts and Hoses and Fuel and Emissions Systems. If you’re looking for the best prices, try searching our Western Star 3700 parts catalog to compare OEM and aftermarket parts for your Western Star 3700.

Whether you need Western Star 3700 body parts, interior components, or custom Western Star 3700 parts you can find them online at Advance Auto. Want to order your Steering and Chassis Parts online? Or maybe you need your Western Star Cooling and Climate Controls same day? No problem, you can pick up 3700 parts in person at locations across the country, or have them delivered to straight to your door after ordering online. Finding a great deal on new and used Western Star 3700 parts has never been easier.

Advance Auto customers frequently search for the following types of Western Star 3700 auto parts. Check out customer reviews and ratings, and compare prices on the following Western Star 3700 parts:

People also search Advance Auto for these popular years of the Western Star 3700:

Western Star 3700 Parts

Dorman – HD Solutions – Timing Cover Kit (Part No.635-4999)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Sump, 22 Quart (Part No.264-5012)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7020)

Gates – Micro-V Serpentine Drive Belt (Part No.K080745)

Gates – FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (Part No.K080745HD)

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9341HD)

Gates – Automotive XL High Capacity V-Belt (Part No.9341)

Dayco – Poly Rib Belt HD Serpentine Belt; 74.5 Long, 8 Rib Count, Heavy Duty (Part No.5080745)

Driveworks – Automotive V-Belt, Driveworks (Part No.34017)

Dayco – V-Belt, Top Cog, Dayco (Part No.17340)

Gates – Premium Molded Coolant Hose (Part No.21194)

Delphi – Fuel Injector (Part No.EX639349)

Cardone – Fuel Injector (Part No.2J-504)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86412)

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86812)

Carquest Premium – HD Locking Fuel Cap (Part No.10421)

Carquest Premium – HD Fuel Cap (Part No.10611)

Cardone – Power Steering Filter (Part No.20-0058F)

Cardone – New Power Steering Filter (Part No.20-0038F)

Cardone – Power Steering Filter (Part No.20-P038F)

Cardone – Power Steering Filter (Part No.20-0012F)

Carquest Premium – Standard Rotation Blower Motor Wheel (Part No.35608)

Dorman – HD Solutions – HVAC Heater Water Shut-Off Valve Actuator: 1 Piece (Part No.604-5103)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3030)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3029)

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3031)

Carquest Premium – Heavy Duty Thermostat: 190 Degrees (Part No.15209)

Carquest Premium – Heavy Duty Thermostat: 180 Degrees (Part No.15208)

Carquest Premium – A/C Filter Drier (Part No.T33253)

Carquest Premium – A/C Filter Drier (Part No.T33537)

Dorman – HD Solutions – HVAC Heater Water Shut-Off Valve Actuator: 1 Piece (Part No.604-5103CD)