2003 Kenworth T300 Engine Cooling Parts

Essential 2003 Kenworth T300 Engine Cooling Parts

Gates – Heavy-Duty Engine Water Pump (Part No.43561HD)

Heavy-Duty Engine Water Pump

from

$480.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Gates – Heavy-Duty Engine Water Pump (Part No.43560HD)

Heavy-Duty Engine Water Pump

from

$483.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Carquest Premium – Accessory Drive Belt Idler Assembly (Part No.T1020)

Accessory Drive Belt Idler Assembly

from

$99.99
The ASC New Tensioner Pulley features all new, original equipment-quality components for proper fit and long-life performance. Each idler includes heavy-duty unitized bearings and are 100% factory tested to assure the highest quality product. Each unit is built to meet or exceed all Original Equipment specifications and is validated for fit, form, and function. Also, application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trust.

Product Features:
  • This pulley is used on accessory belt driven applications
  • Cast Iron
  • All bolts necessary for installation are supplied with pulley
  • Durable housing features precisely machined mounting surfaces for proper fit
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Gates – Heavy-Duty Engine Water Pump (Part No.42352HD)

Heavy-Duty Engine Water Pump

from

$271.99
Product Features:
  • Our heavy-duty water pump o+ering is designed to handle severe and rigorous conditions
  • 100 percent fully tested unitized bearings and seals
  • Computerized machined surfaces for proper fit and sealing
  • Gates heavy-duty water pumps are represented as a part number with an HD suffix
  • Warranty: 18 months or 150,000 miles/5,400 hours, whichever comes first
  • New pumps manufactured to ISO/TS 16949 standards
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Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15228)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$50.99
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, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$50.99
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, 180 Degrees (Part No.15218)

Heavy Duty Thermostat: With Seal, 180 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: With Seal, 160 Degrees (Part No.14536)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$35.99
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 – Radiator Cap: 15 PSI (Part No.10294)

Radiator Cap: 15 PSI

from

$12.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Carquest Premium – Coolant Spin-on with BTE Formula (Part No.89071)

Coolant Spin-on with BTE Formula

from

$28.49
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 4 Units BTE
  • Maintenance filter for systems with 11-20 gallons capacity. Can be used with 89019 base.
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Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.96324)

Coolant Spin-on with BTA PLUS Formula

from

$28.99
CARQUEST HD coolant filters are designed to meet or exceed OE performance over the entire OE recommended service interval.

Product Features:
  • Standard life Spin-on coolant filter
  • Made in USA
  • Includes 4 Units BTA PLUS
  • Maintenance filter for systems with 7-16 gallons capacity. Can be used with 89019 base.
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Fram – Coolant Spin-on Filter (Part No.PR3908)

Coolant Spin-on Filter

from

$16.99
Coolant Spin-on Filter

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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2003 Kenworth T300 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Kenworth T300. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 12 different Engine Cooling Parts in our inventory ranging from $12.99 to $483.99. That means you can find the exact parts or products you need to keep that 2003 Kenworth T300 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Kenworth T300. Carquest Premium, Fram, and Gates are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Kenworth T300, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Kenworth T300 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Kenworth T300 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Kenworth T300 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your T300 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Carquest Premium Engine Cooling Parts

We carry Carquest Premium parts in our stock across Water Pumps categories, plus more. For a 2003 Kenworth T300, our most popular Carquest Premium Engine Cooling Parts include:
Engine Water Pump: New, Gasket/Seals Included
from $62.99
(52)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps

FAQs for 2003 Kenworth T300 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Kenworth T300?

Out of 12 Engine Cooling Parts for the 2003 Kenworth T300, the most popular in our inventory are:
Coolant Spin-on with BTE Formula
from $28.49
This product is not rated
Coolant Spin-on with BTE Formula
Cooling System Filters
Coolant Temperature Sensor with O-Ring
from $52.99
This product is not rated
Coolant Temperature Sensor with O-Ring
Coolant Temperature Sensors
Coolant Spin-on with BTA PLUS Formula
from $28.99
This product is not rated
Coolant Spin-on with BTA PLUS Formula
Cooling System Filters