2003 Western Star 4900SA Engine Parts

Name: Turbocharger
Brand: Rotomaster
SKU: A1420110N
Price: 1944.99 USD

Below you will find various in-demand Western Star Engine Parts, components and accessories for your 2003 4900SA. Advance Auto Parts has popular 4900SA parts like Engine Switches, Sensors and Relays, Engine Blocks, Oil Pans and more. You’ll also find aftermarket and OEM Engine Parts for other 4900SA model years including 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 and more. Select a category of 2003 Western Star 4900SA Engine Parts below and start saving instantly.

Popular 2003 Western Star 4900SA Engine Parts Categories

Engine Oil Temperature Sensors

Turbochargers and Parts

Camshaft Position Sensors

Crankshaft Position Sensors

Oil Pans

Oil Caps

Turbo Pressure Sensors

Intercooler Connection Hoses

Turbocharger Service Kits

Essential Engine Parts for 2003 Western Star 4900SAs

from

$1944.99

Product Features:

100% dynamic balancing of compressor wheels, turbine shaft/wheel assemblies and complete rotating assembly guarantees proper operation and extends unit life.
Unit comes with the required gaskets and mounting hardware for easy installation.
Meets or exceeds O.E. performance.
Unit comes with a pre-lube syringe to ensure product protection during installation.
Manufactured with 100% new components and tested to ensure trouble-free operation

from

$1921.99

Product Features:

100% dynamic balancing of compressor wheels, turbine shaft/wheel assemblies and complete rotating assembly guarantees proper operation and extends unit life.
Unit comes with the required gaskets and mounting hardware for easy installation.
Meets or exceeds O.E. performance.
Unit comes with a pre-lube syringe to ensure product protection during installation.
Manufactured with 100% new components and tested to ensure trouble-free operation

from

$1225.99

New Turbocharger

from

$85.99

This turbocharger boost sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this turbocharger boost sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$75.99

Direct replacement – this turbocharger boost sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$261.99

This turbocharger speed sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:

Direct replacement – this turbocharger speed sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$5.99

Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:

Provides proper seal to ensure leak prevention
Stops engine blow by
High quality construction
Meets all OEM specifications

from

$19.49

Provides proper seal to ensure leak prevention
Stops engine blow by
High quality construction
Meets all OEM specifications

from

$169.99

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

from

$153.99

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

from

$121.99

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

from

$146.99

This engine camshaft 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 camshaft 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

from

$48.49

Direct replacement – this engine camshaft 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

from

$116.99

Product Features:

Four-layer silicone construction with aramid fiber reinforcement for maximum durability
Meets or exceeds OEM specifications
Temperature Range: -60 Deg. F to +500 Deg. F (-51 Deg. C to +260 Deg. C)

from

$148.99

Product Features:

Four-layer silicone construction with aramid fiber reinforcement for maximum durability
Meets or exceeds OEM specifications
Temperature Range: -60 Deg. F to +500 Deg. F (-51 Deg. C to +260 Deg. C)

from

$207.99

This engine oil pressure sensor is designed to match the function of an original sensor on specified vehicles. It is engineered to help accurately monitor oil pressure when an original sensor has failed from heat or internal component damage.

Product Features:

Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
Ideal solution – engineered to help accurately monitor oil pressure 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

from

$1195.99

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

from

$1033.99

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

from

$1153.99

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

from

$968.99

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

from

$1748.99

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

from

$1372.99

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

from

$214.99

Turbocharger Kit

from

$142.99

Rotomaster Turbocharger Service Kits provide all the wear items required to remanufacture a turbocharger that has not sustained any damage to the internal components. Featuring only O.E.-grade, direct-fit components, this kit offers a great, cost-effective way to perform a turbo repair without replacing the entire assembly.

Product Features:

Kit includes all serviceable components in one package for turbochargers without internal damage
Saves money by eliminating the need to replace the complete turbocharger assembly
Allows for reuse of the center, compressor and turbine housings
Only O.E.-grade component parts or better are supplied in kit for durability
Direct O.E. replacement

Upgrade your 2003 Western Star 4900SA with Top-Quality Engine Parts

When it comes to maintaining or upgrading your 2003 Western Star 4900SA, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Western Star or enhancing its overall performance, Engine Parts are key to keeping your 4900SA functioning at its best. At Advance Auto Parts, we offer a wide selection of 19 Engine Parts for the 2003 Western Star 4900SA, designed to meet your needs without breaking the bank. From Engine Switches, Sensors and Relay replacements to Engine Blocks upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Engine Parts for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Engine Parts for your 2003 Western Star 4900SA at great prices. Our Engine Parts inventory for this model ranges from just $5.99 to $1,944.99, with an average price of $554.56. Our 19 Engine Parts in stock come from 4 trusted brands, so you’re sure to find the right part for your 2003 Western Star 4900SA without overspending.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Engine Part upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 2003 Western Star 4900SA is always ready to roll. We’re committed to providing you with everything you need to keep your 4900SA in top shape, all in one place. Start shopping confidently below for your 2003 Western Star 4900SA!

Best-Selling Engine Switches, Sensors and Relays for 2003 Western Star 4900SAs

Enhance the driving experience in your Western Star with 3 quality Engine Switches, Sensors and Relay components, starting at $75.99.

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from

$207.99

Direct replacement – this engine oil pressure sensor is designed to match the fit and function of an original sensor on specified vehicles.
Ideal solution – engineered to help accurately monitor oil pressure 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

from

$169.99

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

from

$75.99

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

Top Picks for 2003 Western Star 4900SA Oil Pans

Upgrade Western Star 4900SAs with top-quality Oil Pans parts, including 5 OEM and aftermarket selections for your 2003 model.

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from

$1748.99

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

from

$1372.99

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

from

$1195.99

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

from

$1153.99

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

from

$1033.99

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

In-Demand Turbochargers for 2003 Western Star 4900SAs

Select from 6 premium Turbochargers parts for your 2003 Western Star 4900SA, with prices ranging from $85.99 to $1,944.99.

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from

$167.99

Direct replacement – this turbocharger boost sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$227.99

Direct replacement – this turbocharger speed sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

from

$1944.99

Product Features:

100% dynamic balancing of compressor wheels, turbine shaft/wheel assemblies and complete rotating assembly guarantees proper operation and extends unit life.
Unit comes with the required gaskets and mounting hardware for easy installation.
Meets or exceeds O.E. performance.
Unit comes with a pre-lube syringe to ensure product protection during installation.
Manufactured with 100% new components and tested to ensure trouble-free operation

from

$1921.99

Product Features:

100% dynamic balancing of compressor wheels, turbine shaft/wheel assemblies and complete rotating assembly guarantees proper operation and extends unit life.
Unit comes with the required gaskets and mounting hardware for easy installation.
Meets or exceeds O.E. performance.
Unit comes with a pre-lube syringe to ensure product protection during installation.
Manufactured with 100% new components and tested to ensure trouble-free operation

from

$142.99

Kit includes all serviceable components in one package for turbochargers without internal damage
Saves money by eliminating the need to replace the complete turbocharger assembly
Allows for reuse of the center, compressor and turbine housings
Only O.E.-grade component parts or better are supplied in kit for durability
Direct O.E. replacement

from

$85.99

Direct replacement – this turbocharger boost sensor is designed to match the fit and function of the original sensor on specified vehicles.
Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Most Sold 2003 Western Star 4900SA Camshafts

Explore our best-selling Western Star parts for the 2003 4900SA among 1 OEM and aftermarket options starting from $48.49.

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from

$48.49

Direct replacement – this engine camshaft 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

FAQs for 2003 Western Star 4900SA Engine Parts

Which Engine Parts are best-sellers for 2003 Western Star 4900SAs?

Out of 19 Engine Parts that fit 2003 Western Star 4900SAs, the following parts are the top sellers:

Boost Pressure Sensor (11578056) – $167.99
Engine Oil Filler Cap: 10136, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (5020022) – $5.99
Turbocharger Speed Sensor (11438384) – $227.99

What’s the price range for 2003 Western Star 4900SA Engine Parts?

Engine Part prices for the 2003 Western Star 4900SA start at $5.99 and go up to $1,944.99 for the most premium parts.

What’s the average price of a Engine Part for a 2003 Western Star 4900SA?

The average price for Engine Parts for the 2003 Western Star 4900SA is $554.56. Keep in mind the variety of part types within our Engine Part category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Parts for other Western Star 4900SA model years?

Yes, we currently carry Engine Parts for 20 model years of Western Star 4900SAs between 2002 and 2022. Engine Parts are bought most frequently for the following model years: 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, and 2010.

What are the cheapest Engine Parts for my 2003 Western Star 4900SA?

The cheapest 2003 Western Star 4900SA Engine Parts we carry in stock are:

Engine Oil Filler Cap: 10136, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (5020022) – $5.99
HD Engine Oil Filler Plug (10980450) – $19.49
Camshaft Position Sensor (50207889) – $48.49
Crankshaft Position Sensor (11438685) – $75.99
Boost Pressure Sensor (11571392) – $85.99

What types of Engine Parts do you sell for my 2003 Western Star 4900SA?

As of 2/5/25, these are some of the most in-demand types of Engine Parts for a 2003 Western Star 4900SA:

Can I get help with 2003 Western Star 4900SA Engine Part orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Western Star Engine Parts and more.

What is your return policy for Western Star 4900SA Engine Parts?

Advance Auto Parts keeps returns simple. For new Western Star 4900SA Engine Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2003 Western Star 4900SA Engine Parts

Rotomaster – Turbocharger (Part No.A1420110N)

Rotomaster – Turbocharger (Part No.A1420107N)

Rotomaster – New Turbocharger (Part No.H1600101N)

Dorman – HD Solutions – Boost Pressure Sensor (Part No.904-7244)

Dorman – HD Solutions – Air Temp /Boost Pressure (Part No.904-7130)

Dorman – HD Solutions – Turbocharger Speed Sensor (Part No.904-7111)

Carquest Premium – Engine Oil Filler Cap: 10136, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10136)

Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7024)

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

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7021)

Dorman – HD Solutions – Camshaft Position Sensor (Part No.904-7017)

Dorman – HD Solutions – Camshaft Position Sensor (Part No.904-7132)

Gates – Green Stripe½ Ring Retained Straight Turbocharger Hose (Part No.26203)

Gates – Green Stripe½ Ring Retained Straight Turbocharger Hose (Part No.26204)

Dorman – HD Solutions – Oil Temp/Pressure Sensor (Part No.904-7109)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 36 Quart (Part No.264-5006)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Fiberglass, Rear Sump, 40 Quart (Part No.264-5002)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 38 Quart (Part No.264-5054)

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

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Fiberglass, Rear Sump, 40 Quart (Part No.264-5097)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 44 Quart (Part No.264-6005)

Rotomaster – Turbocharger Kit (Part No.H1560301N)

Rotomaster – Turbocharger Service Kit (Part No.A1420307N)

Dorman – HD Solutions – Oil Temp/Pressure Sensor (Part No.904-7109)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7024)

Dorman – HD Solutions – Crankshaft Position Sensor (Part No.904-7247)

Carquest Premium – Engine Oil Filler Cap: 10136, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10136)

Carquest Premium – HD Engine Oil Filler Plug (Part No.10153)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Fiberglass, Rear Sump, 40 Quart (Part No.264-5097)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 44 Quart (Part No.264-6005)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 36 Quart (Part No.264-5006)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Steel, Front Sump, 38 Quart (Part No.264-5054)

Dorman – HD Solutions – Engine Oil Pan: Direct Fit, Fiberglass, Rear Sump, 40 Quart (Part No.264-5002)

Dorman – HD Solutions – Boost Pressure Sensor (Part No.904-7256)

Dorman – HD Solutions – Turbocharger Speed Sensor (Part No.904-7240)

Rotomaster – Turbocharger (Part No.A1420110N)

Rotomaster – Turbocharger (Part No.A1420107N)

Rotomaster – Turbocharger Service Kit (Part No.A1420307N)

Dorman – HD Solutions – Boost Pressure Sensor (Part No.904-7244)

Dorman – HD Solutions – Camshaft Position Sensor (Part No.904-7132)