2003 Thomas Car Parts

Search Over 109 Parts for Your 2003 Thomas

When it comes to finding the necessary parts for your 2003 Thomas you can count on Advance Auto Parts. All Thomas parts in our catalog are listed online, containing a variety of 2003 OEM and aftermarket products for your Thomas in almost every part category.

Below you’ll find a great selection of 2003 Thomas performance parts and accessories. We’ve listed the top categories of Thomas parts for your 2003 model like Interior Products, Engine Parts and Belts and Hoses.

If you are looking for reviews on 2003 Thomas auto parts, look no further than our auto product reviews and ratings. We’re confident that you’ll find the best quality products for your 2003 Thomas at a great price.

2003 Thomas Interior Products

Below you can find the top 2003 Thomas aftermarket accessories. Want to see the complete catalog of Interior Products? Click on “View All” to view each individual Thomas 2003 part.

Dorman – HD Solutions – Throttle Position Sensor (Part No.904-7692)

Throttle Position Sensor

from

$409.99
This direct replacement accelerator pedal position sensor matches the fit and performance of a failed original equipment sensor to restore proper vehicle operation. Made of quality materials for a reliable service life.

Product Features:
  • Ideal replacement – this accelerator pedal position sensor matches the fit and function of the original sensor
  • Plug & play installation – no special tools or programming required to install this sensor
  • Trustworthy construction – engineered in North America and made from high-quality materials for long life
  • Quality tested – this accelerator pedal sensor has undergone extensive testing to ensure proper function and a long service life
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2003 Thomas Engine Parts

Customers frequently purchase these best-selling 2003 Thomas Engine Parts.

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

Engine Oil Pan: Direct Fit, Steel, Front Sump, 22 Quart

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
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Melling – Stock Replacement OE Type Oil Pump (Part No.M350)

Stock Replacement OE Type Oil Pump

from

$268.99
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

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
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2003 Thomas Belts and Hoses

No need for it to be difficult to find Belts and Hoses for your 2003 Thomas. Compare prices, read reviews, and buy your Belts and Hoses online for delivery or in-store pick up.

Dayco – Poly Rib Belt HD Serpentine Belt; 69.5 Long, 8 Rib Count, Heavy Duty (Part No.5080695)

Poly Rib Belt HD Serpentine Belt; 69.5 Long, 8 Rib Count, Heavy Duty

from

$62.99
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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Dayco – Poly Rib Belt HD Serpentine Belt; 78 Long, 8 Rib Count, Heavy Duty (Part No.5080780)

Poly Rib Belt HD Serpentine Belt; 78 Long, 8 Rib Count, Heavy Duty

from

$63.99
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. En

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

Automotive V-Belt

from

$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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Dayco – Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 31mm Width, Smooth (Part No.89007)

Serpentine Idler/Tensioner Pulley; Steel, 76mm Dia., 31mm Width, Smooth

from

$29.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong pl

Product Features:
  • Designed for the majority of automotive vehicle applications on the road today
  • High-quality materials help resist wear and improve belt life
  • Features premium lubricated bearings to extend service life
  • Meets or exceeds OE quality
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Dayco – V-Belt, Top Cog, Dayco (Part No.17340)

V-Belt, Top Cog, Dayco

from

$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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Dayco No Slack Gold Label – Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth (Part No.89101)

Serpentine Idler/Tensioner Pulley; Steel, 74mm Dia., 39.25mm Width, Smooth

from

$44.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under ha

Product Features:
  • Engineered for the demanding drive systems of today’s class 4-8 heavy-duty commercial trucks
  • Premium OE technology to ensure peak performance under extreme conditions
  • Utilizes 3D dimensional computer aided design (CAD) and finite element analysis (FEA) for optimal design and maximum structural integrity
  • Meets or exceeds OE quality
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Dayco – Bottom Cog V-Belt; 43.5 Inch Long, Exact Fit Premium Quality (Part No.17435)

Bottom Cog V-Belt; 43.5 Inch Long, Exact Fit Premium Quality

from

$21.29
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.

Product Features:
  •  Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
  •  Provides greater durability and flexibility – 35% stronger than all previous versions
  •  Features specially treated cords for added strength, stability and reliability
  • 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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Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89479)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$148.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life.
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K080690HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$92.99
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
  • Heavy-duty construction resists cracking and wear, even at extreme temperatures
  • Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
  • Problem solver designed for the toughest applications
  • Consistently outperforms other heavy-duty serpentine belts on the market
  • Engineered to save your fleet money and reduce downtime
  • Tensioner Replacement is Recommended (if equipped)
See More

Dayco – Poly Rib Belt HD Serpentine Belt; 69.09 Long, 8 Rib Count, Heavy Duty (Part No.5080690)

Poly Rib Belt HD Serpentine Belt; 69.09 Long, 8 Rib Count, Heavy Duty

from

$62.99
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
See More

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

FleetRunner« Heavy-Duty V-Belt

from

$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:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
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Gates – V-Ribbed (Heavy Duty) Serpentine Belt: 70" Long, 8 Rib Count, Exact Fit (Part No.K080694HD)

V-Ribbed (Heavy Duty) Serpentine Belt: 70" Long, 8 Rib Count, Exact Fit

from

$90.99
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
  • Heavy-duty construction resists cracking and wear, even at extreme temperatures
  • Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
  • Problem solver designed for the toughest applications
  • Consistently outperforms other heavy-duty serpentine belts on the market
  • Engineered to save your fleet money and reduce downtime
  • Tensioner Replacement is Recommended (if equipped)
See More

Dayco – Poly Rib Belt HD Serpentine Belt; 58.5 Long, 8 Rib Count, Heavy Duty (Part No.5080585)

Poly Rib Belt HD Serpentine Belt; 58.5 Long, 8 Rib Count, Heavy Duty

from

$56.99
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. En

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
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910003A)

Serpentine Belt Tensioner: 1 Piece

from

$206.99
This Heavy Duty Truck and Bus tensioner is designed and engineered Litens, the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “lift-lug” feature for ease of installation, Tandem 6303 ball bearings, a molded locator pin for precise installation, and a forged steel pulley. Fits a large variety of Makes, Models, and Engines. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Designed and engineered by the world’s largest Original Equipment supplier of accessory drive tensioners and pulleys
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Heavy Duty Electro-deposited coated (e-coat) Steel Pulley for superior corrosion resistance
  • Professional Mechanics will change this tensioner in approx. 1/2 hour
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Gates – V-Ribbed (Heavy Duty) Serpentine Belt: 78.625" Long, 8 Rib Count, Exact Fit (Part No.K080780HD)

V-Ribbed (Heavy Duty) Serpentine Belt: 78.625" Long, 8 Rib Count, Exact Fit

from

$93.99
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
  • Heavy-duty construction resists cracking and wear, even at extreme temperatures
  • Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
  • Problem solver designed for the toughest applications
  • Consistently outperforms other heavy-duty serpentine belts on the market
  • Engineered to save your fleet money and reduce downtime
  • Tensioner Replacement is Recommended (if equipped)
See More

Gates – Micro-V« Serpentine Drive Belt (Part No.K080780)

Micro-V« Serpentine Drive Belt

from

$72.99
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
  • Tensioner Replacement 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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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 2" Diameter (Part No.C71109)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 2" Diameter

from

$21.29
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Gates – Micro-V« Serpentine Drive Belt (Part No.K080694)

Micro-V« Serpentine Drive Belt

from

$69.99
We are proud to offer this CARQUEST product line: CARQUEST Premium Serpentine Belts By Gates

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
  • Tensioner Replacement is Recommended (if equipped)
See More

Gates – FleetRunner½ Heavy-Duty Automatic Belt Drive Tensioner (Part No.38511)

FleetRunner½ Heavy-Duty Automatic Belt Drive Tensioner

from

$229.99
Product Features:
  • Optimized components engineered for maximum strength and durability
  • Patented design provides superior belt alignment and tension for improved drive efficiency and life
  • Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
  • Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
  • Double row bearings carry more load and last up to 3X longer than two individual bearings
  • Chrome-silicone round torsion spring for less +ex-fatigue than +at-spring designs
  • Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components
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Gates – FleetRunner½ Heavy-Duty Automatic Belt Drive Tensioner (Part No.38516)

FleetRunner½ Heavy-Duty Automatic Belt Drive Tensioner

from

$190.99
Product Features:
  • Optimized components engineered for maximum strength and durability
  • Patented design provides superior belt alignment and tension for improved drive efficiency and life
  • Patented labyrinth seal prevents contamination of internal parts for maximum durability and service life
  • Long-lasting steel pulleys with dust shields to protect internal bearings from contamination
  • Double row bearings carry more load and last up to 3X longer than two individual bearings
  • Chrome-silicone round torsion spring for less +ex-fatigue than +at-spring designs
  • Patented damping mechanism provides maximum stability, reducing vibration and increasing the life of the belt, tensioner and other accessory drive components
See More

Litens – Serpentine Belt Tensioner: 1 Piece (Part No.910021A)

Serpentine Belt Tensioner: 1 Piece

from

$171.99
This Heavy Duty Truck and Bus tensioner is designed and engineered by Litens – the world’s largest supplier of original equipment (O.E.) belt tensioners in the world. The Litens replacement part meets all form, fit, and performance characteristics of the original equipment part (with the exception of not having the car manufacturer’s logo or part number applied to the part). This part is manufactured to meet or exceed the performance and life specifications of the O.E. part. The part features a premium chrome-silicon steel spring, internal damping, a “lift-lug” feature for ease of installation, Tandem 6303 ball bearings, a molded locator pin for precise installation, and a forged steel pulley. Specifically designed for a wide variety of trucks and buses with a Cummins ISB/ISC/ISL engine. New mounting bolt included. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Designed and engineered by the world’s largest Original Equipment supplier of accessory drive tensioners and pulleys
  • Internal “round spring” technology to provide constant belt tension and alignment throughout its service life. The internal damping design provides quiet, smooth, system performance.
  • Installation instructions included.
  • Heavy Duty Electro-deposited coated (e-coat) Steel Pulley for superior corrosion resistance.
  • Professional Mechanics will change this tensioner in approx. 1/2 hour
  • Due to the fact that belts and tensioners have similar Original Equipment “design life targets”, it is often a best practice to replace the belt tensioner when replacing a worn or broken belt. Belt removal is required to change the tensioner. Therefore, d
See More

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89481)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$146.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life.
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Dayco No Slack Gold Label – Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque (Part No.89483)

Serpentine Belt Tensioner; 1 Piece, HD, Engineered To Handle Higher Torque

from

$136.99
For heavy duty diesel engine accessory drive applications, Dayco’s HD automatic belt tensioner is designed to handle higher torque and power pulses. The heavy-duty cast aluminum body and pulley arms translate into extra strength and durability and the patented flat spring design prevents fluctuations to the tensioner body as its footprint doesn’t change when it’s under tension. This reduces the risk of belt noise and also helps avoid separation of the housing a key failure seen from competitive products. Dayco automatic belt tensioner H.D. also includes rugged pulleys with dual lifetime lubricated bearings to deliver long lasting, dependable service. Feature highly damped designs using a wave spring and a metal ring with a bonded polymeric surface that acts as a radial shock absorber for the tensioner arm while reducing contamination.

Product Features:
  • Designed to prevent fluctuations to the tensioner body for longer service life.
  • Reduces the risk of noise and helps avoid housing separation
  • Includes pulleys with lubricated bearings for longer lasting performance
  • Heavy-duty cast aluminum body and pulley arms translate into extra strength and durability
See More

Dayco – Banded Narrow Raw Edge V Belt: 85.75 In. Outside Circumference, 1.253 In. Width (Part No.R5VX850-2)

Banded Narrow Raw Edge V Belt: 85.75 In. Outside Circumference, 1.253 In. Width

from

$132.99
The Dayco banded narrow raw edge V-belt is recommended for industrial applications where space, weight and power capacity are critical. It features a stronger PET polyester cord design for improved performance and offers high stability, low tension decay, improved durability and reduced maintenance. The banded narrow raw edge V-belt’s cog profile is engineered to improve cooling effects and bending fatigue as well as provide extra flexibility for smaller pulleys. This raw edge classical design features EPDM rubber for more advanced abrasion, heat and oil resistance at wider temperature ranges and increased power capacity vs. wrapped belts.

Product Features:
  • Advanced protection against abrasion, heat and oil
  • Perfect for textile mills, fans, lathes, grinding machines, compressors and pumps
  • Special cord design enhances performance and durability
See More

Gates – Micro-V« Serpentine Drive Belt (Part No.K080690)

Micro-V« Serpentine Drive Belt

from

$73.99
We are proud to offer this CARQUEST product line: CARQUEST Premium Serpentine Belts By Gates

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
  • Tensioner Replacement is Recommended (if equipped)
See More

Dayco – Poly Rib Belt HD Serpentine Belt; 68 Long, 8 Rib Count, Heavy Duty (Part No.5080680)

Poly Rib Belt HD Serpentine Belt; 68 Long, 8 Rib Count, Heavy Duty

from

$64.99
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
See More

Gates – DriveAlign½ Belt Drive Idler/Tensioner Pulley (Part No.36091)

DriveAlign½ Belt Drive Idler/Tensioner Pulley

from

$44.99
Product Features:
  • Steel and thermoplastic construction designed to tight manufacturing tolerances for high durability and quality performance
  • Built to last with a superior resistance to dirt, salt, chemicals and other under-hood contaminants
  • OE-quality fit for virtually every domestic or import vehicle on the road today
  • Bearings meet or exceed OE standards with application-specific speed and load requirements, to withstand high under hood temperatures
  • Premium bearings eliminate bearing noise
  • Mounting hardware included for some popular applications
  • Reliable operation under severe conditions
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Litens – O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter (Part No.900120A)

O.E Quality Idler/Tensioner Pulley: Direct Fit, Steel, 74 mm Diameter

from

$41.99
This pulley is designed and engineered by Litens Automotive the inventor of the first automatic belt tensioner in 1979 and today the world’s largest supplier of Original Equipment (O.E.) belt tensioning and routing products. This pulley is produced for serpentine belt routing applications and as the pulley component on automatic tensioner applications. This pulley conforms to original equipment material, tolerances, and specifications. The part is made using the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction for long life and trouble-free performance. Designed for HD truck applications. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket._

Product Features:
  • Manufactured by one of the largest original equipment part suppliers in the world to ensure proper form, fit, and performance
  • Forged Heavy Duty Steel Pulley designed to displace bearing heat. Precision machined face for smooth running surface. Tandem 6303 Ball Bearings for extended life.
  • Installation instructions included.
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2003 Thomas Fuel and Emissions Systems

Customers frequently purchased the following top Fuel and Emissions Systems for their 2003 Thomas. Click on “View All” to see more great prices on 2003 Thomas aftermarket replacement Fuel and Emissions Systems.

Delphi – Fuel Injector (Part No.EX639350)

Fuel Injector

from

$373.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

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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Delphi – Fuel Injector (Part No.EX630781)

Fuel Injector

from

$359.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

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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Dorman – HD Solutions – EGR Cooler V-Band Clamp (Part No.904-5154)

EGR Cooler V-Band Clamp

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$59.99
This exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp on specified vehicles and is recommended for replacement during EGR cooler service. It is engineered from stainless steel for reliable service life.

Product Features:
  • Direct replacement – this exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp and is recommended for replacement during EGR cooler service
  • Ideal solution – engineered from stainless steel to withstand extreme heat and to resist corrosion
  • 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
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2003 Thomas Cooling and Climate Controls

Carquest Premium – Coolant Temperature Sensor with O-Ring (Part No.WTC1082)

Coolant Temperature Sensor with O-Ring

from

$52.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15218)

Heavy Duty Thermostat: With Seal, 180 Degrees

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$22.99
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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Carquest Premium – Integrated Housing HD Thermostat: 180 Degrees (Part No.14908)

Integrated Housing HD Thermostat: 180 Degrees

from

$86.99
Carquest Premium Integrated Housing 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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Carquest Premium – Heavy Duty Thermostat: 180 Degrees (Part No.15208)

Heavy Duty Thermostat: 180 Degrees

from

$24.99
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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Carquest Premium – Heavy Duty Thermostat: 190 Degrees (Part No.15209)

Heavy Duty Thermostat: 190 Degrees

from

$23.99
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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Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.15216)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$22.99
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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Carquest Premium – Heavy Duty Thermostat: 180 Degrees (Part No.14978)

Heavy Duty Thermostat: 180 Degrees

from

$19.79
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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