Western Star 4900 Engine Parts

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

Made for turbocharged Class 8 and heavy-duty diesel engines. Multi-hump design isolates vibration and absorbs rotational shock. Depending on application, hose is engineered with three or four rings to maintain design integrity.

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)

Made in USA. Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

Product Features:

• Manufactured from high quality materials for consistent durable wear
• Precision engineered for optimum fit and function
• Designed for long-life and worry-free performance
• Melling oil pumps are tested for pressure and flow under operating conditions to ensure quality

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

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

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

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

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

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

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

Rotomaster Turbocharger Service Kits deliver a comprehensive, cost-effective solution for restoring turbo performance without replacing the full turbocharger. Designed for preventative maintenance and minor repairs, each kit includes the essential wear components required for a dependable rebuild, provided no internal damage exists. Built with O.E.-grade, direct-fit parts, these kits ensure accurate fitment, easy installation, and lasting durability. Installation should be performed using proper balancing equipment to ensure optimal performance. Ideal for professional technicians and experienced enthusiasts with the right tools, Rotomaster kits help reduce downtime, lower repair costs, and extend the life of your turbocharger. Perfect for diesel engines, commercial fleets, and passenger vehicles.

Product Features:

• All-in-One Convenience – Includes all serviceable wear components in a single kit for efficient turbocharger maintenance
• All-in-One Convenience – Includes all serviceable wear components in a single kit for efficient turbocharger maintenanceá
• Cost-Effective Repair – Avoids the expense of replacing the entire turbocharger by restoring performance with key service parts
• Cost-Effective Repair – Avoids the expense of replacing the entire turbocharger by restoring performance with key service partsá
• Built to Last – Supplied with only O.E.-grade components for long-term durability and reliability
• Built to Last – Supplied with only O.E.-grade components for long-term durability and reliabilityá
• Easy Installation – Direct-fit parts ensure a precise, hassle-free rebuild.
• Easy Installation – Direct-fit parts ensure a precise, hassle-free rebuild.á
• Direct O.E. replacement

Rotomaster Turbocharger Service Kits deliver a comprehensive, cost-effective solution for restoring turbo performance without replacing the full turbocharger. Designed for preventative maintenance and minor repairs, each kit includes the essential wear components required for a dependable rebuild, provided no internal damage exists. Built with O.E.-grade, direct-fit parts, these kits ensure accurate fitment, easy installation, and lasting durability. Installation should be performed using proper balancing equipment to ensure optimal performance. Ideal for professional technicians and experienced enthusiasts with the right tools, Rotomaster kits help reduce downtime, lower repair costs, and extend the life of your turbocharger. Perfect for diesel engines, commercial fleets, and passenger vehicles.

Product Features:

• All-in-One Convenience – Includes all serviceable wear components in a single kit for efficient turbocharger maintenance
• All-in-One Convenience – Includes all serviceable wear components in a single kit for efficient turbocharger maintenanceá
• Cost-Effective Repair – Avoids the expense of replacing the entire turbocharger by restoring performance with key service parts
• Cost-Effective Repair – Avoids the expense of replacing the entire turbocharger by restoring performance with key service partsá
• Built to Last – Supplied with only O.E.-grade components for long-term durability and reliability
• Built to Last – Supplied with only O.E.-grade components for long-term durability and reliabilityá
• Easy Installation – Direct-fit parts ensure a precise, hassle-free rebuild.
• Easy Installation – Direct-fit parts ensure a precise, hassle-free rebuild.á
• Direct O.E. replacement

Rotomaster Heavy-Duty Turbochargers are engineered to meet the extreme performance demands of commercial and industrial fleets. Built to OE specifications and triple balanced for precision, each unit delivers consistent power, improved fuel efficiency, and long-term durability. Designed for easy, direct-fit installation, Rotomaster turbochargers help fleet managers minimize downtime and extend vehicle service life even under the harshest operating conditions.As turbocharger specialists, Rotomaster brings deep expertise to every unit. Rotomaster¿s technical support team is on-call to assist with installation, troubleshooting, and diagnostics, keeping your fleet moving with minimal downtime.With proven reliability and an industry-leading warranty, Rotomaster turbochargers deliver the performance and peace of mind your operation depends on.

Product Features:

• Triple Balanced: Compressor wheels, turbine shafts, and rotating assemblies are dynamically balanced in three stages. Ensures smoother operation, reduces vibration, and extends turbo life under heavy load conditions.
• 100% Brand-New Parts: Built exclusively with 100% all-new components. Delivers consistent, reliable performance built to withstand the rigors of demanding heavy-duty applications.
• OE-Matching Fit and Function: Designed to meet or exceed original equipment (OE) standards. Provides a precise fit and dependable durability, making installation seamless and maintenance minimal.
• Installation-Ready with Pre-Lube: Supplied with a pre-lube syringe. Protects the turbo during initial startup, promoting a smooth installation and immediate performance reliability.
• Manufactured with 100% new components and tested to ensure trouble-free operation

Rotomaster Heavy-Duty Turbochargers are engineered to meet the extreme performance demands of commercial and industrial fleets. Built to OE specifications and triple balanced for precision, each unit delivers consistent power, improved fuel efficiency, and long-term durability. Designed for easy, direct-fit installation, Rotomaster turbochargers help fleet managers minimize downtime and extend vehicle service life even under the harshest operating conditions. As turbocharger specialists, Rotomaster brings deep expertise to every unit. Rotomaster’s technical support team is on-call to assist with installation, troubleshooting, and diagnostics, keeping your fleet moving with minimal downtime. With proven reliability and an industry-leading warranty, Rotomaster turbochargers deliver the performance and peace of mind your operation depends on.

Product Features:

• Triple Balanced: Compressor wheels, turbine shafts, and rotating assemblies are dynamically balanced in three stages. Ensures smoother operation, reduces vibration, and extends turbo life under heavy load conditions.
• 100% Brand-New Parts: Built exclusively with 100% all-new components. Delivers consistent, reliable performance built to withstand the rigors of demanding heavy-duty applications.
• OE-Matching Fit and Function: Designed to meet or exceed original equipment (OE) standards. Provides a precise fit and dependable durability, making installation seamless and maintenance minimal.
• Installation-Ready with Pre-Lube: Supplied with a pre-lube syringe. Protects the turbo during initial startup, promoting a smooth installation and immediate performance reliability.
• Manufactured with 100% new components and tested to ensure trouble-free operation

Rotomaster Heavy-Duty Turbochargers are engineered to meet the extreme performance demands of commercial and industrial fleets. Built to OE specifications and triple balanced for precision, each unit delivers consistent power, improved fuel efficiency, and long-term durability. Designed for easy, direct-fit installation, Rotomaster turbochargers help fleet managers minimize downtime and extend vehicle service life even under the harshest operating conditions.As turbocharger specialists, Rotomaster brings deep expertise to every unit. Rotomaster¿s technical support team is on-call to assist with installation, troubleshooting, and diagnostics, keeping your fleet moving with minimal downtime.With proven reliability and an industry-leading warranty, Rotomaster turbochargers deliver the performance and peace of mind your operation depends on.

Product Features:

• Triple Balanced: Compressor wheels, turbine shafts, and rotating assemblies are dynamically balanced in three stages. Ensures smoother operation, reduces vibration, and extends turbo life under heavy load conditions.
• 100% Brand-New Parts: Built exclusively with 100% all-new components. Delivers consistent, reliable performance built to withstand the rigors of demanding heavy-duty applications.
• OE-Matching Fit and Function: Designed to meet or exceed original equipment (OE) standards. Provides a precise fit and dependable durability, making installation seamless and maintenance minimal.
• Installation-Ready with Pre-Lube: Supplied with a pre-lube syringe. Protects the turbo during initial startup, promoting a smooth installation and immediate performance reliability.
• Manufactured with 100% new components and tested to ensure trouble-free operation

Rotomaster Heavy-Duty Turbochargers are engineered to meet the extreme performance demands of commercial and industrial fleets. Built to OE specifications and triple balanced for precision, each unit delivers consistent power, improved fuel efficiency, and long-term durability. Designed for easy, direct-fit installation, Rotomaster turbochargers help fleet managers minimize downtime and extend vehicle service life even under the harshest operating conditions.As turbocharger specialists, Rotomaster brings deep expertise to every unit. Rotomaster¿s technical support team is on-call to assist with installation, troubleshooting, and diagnostics, keeping your fleet moving with minimal downtime.With proven reliability and an industry-leading warranty, Rotomaster turbochargers deliver the performance and peace of mind your operation depends on.

Product Features:

• Triple Balanced: Compressor wheels, turbine shafts, and rotating assemblies are dynamically balanced in three stages. Ensures smoother operation, reduces vibration, and extends turbo life under heavy load conditions.
• 100% Brand-New Parts: Built exclusively with 100% all-new components. Delivers consistent, reliable performance built to withstand the rigors of demanding heavy-duty applications.
• OE-Matching Fit and Function: Designed to meet or exceed original equipment (OE) standards. Provides a precise fit and dependable durability, making installation seamless and maintenance minimal.
• Installation-Ready with Pre-Lube: Supplied with a pre-lube syringe. Protects the turbo during initial startup, promoting a smooth installation and immediate performance reliability.
• Manufactured with 100% new components and tested to ensure trouble-free operation