1998 Peterbilt 378 Cooling and Climate Controls

Essential Cooling and Climate Controls for 1998 Peterbilt 378s

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

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

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

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

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

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

Gates – Heavy-Duty Engine Water Pump (Part No.45009HD)

Heavy-Duty Engine Water Pump

from

$618.99
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 – Engine Water Pump (Part No.T3080)

Engine Water Pump

from

$692.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:
  • All gaskets or seals necessary for installation are supplied with pump
  • Cast (grey) iron housing
  • Durable housing features precisely machined mounting surfaces for proper sealing
  • See vehicle manufacturer recommendations/instructions for replacement if needed
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Gates – Heavy-Duty Engine Water Pump (Part No.44052HD)

Heavy-Duty Engine Water Pump

from

$481.99
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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44062HD)

Heavy-Duty Engine Water Pump

from

$1052.99
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
See More

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
See More

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
See More

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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
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
See More

Carquest Premium – Blower Motor: Without Wheel (Part No.75858)

Blower Motor: Without Wheel

from

$175.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
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Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89112)

Coolant Spin-on with BTA PLUS Formula

from

$131.99
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 11 1/2 Units BTA PLUS
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Carquest Premium – Coolant Spin-on without Chemicals (Part No.89113)

Coolant Spin-on without Chemicals

from

$82.99
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
  • Long Life (150,000 miles) used with Extended Service coolant.
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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.89075)

Coolant Spin-on with BTA PLUS Formula

from

$57.99
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 15 Units BTA PLUS
  • Maintenance filter for systems with 44-51 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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Carquest Premium – HVAC Pressure Switch (Part No.ACA1779)

HVAC Pressure Switch

from

$25.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – AC Pressure Switch (Part No.ACA1349)

AC Pressure Switch

from

$60.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compresso

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – AC Pressure Switch (Part No.ACA1319)

AC Pressure Switch

from

$41.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1331)

HVAC Pressure Switch

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1769)

HVAC Pressure Switch

from

$45.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1759)

HVAC Pressure Switch

from

$53.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

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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Upgrade your 1998 Peterbilt 378 with Top-Quality Cooling and Climate Controls

When it comes to maintaining or upgrading your 1998 Peterbilt 378, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Peterbilt or enhancing its overall performance, Cooling and Climate Controls are key to keeping your 378 functioning at its best. At Advance Auto Parts, we offer a wide selection of 40 Cooling and Climate Controls for the 1998 Peterbilt 378, designed to meet your needs without breaking the bank. From Blend Door replacements to Blower Motor and Related Products 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 Cooling and Climate Controls for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Cooling and Climate Controls for your 1998 Peterbilt 378 at great prices. Our Cooling and Climate Controls inventory for this model ranges from just $21.99 to $703.99, with an average price of $84.55. Our 40 Cooling and Climate Controls in stock come from 3 trusted brands, so you’re sure to find the right part for your 1998 Peterbilt 378 without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1998 Peterbilt 378, we stock popular OEM and aftermarket Cooling and Climate Controls from top names like Carquest Premium, and more. Carquest Premium Cooling and Climate Controls start at just $21.99 and boast an impressive 4 stars average rating from customers. With 55 customer reviews and counting, our 1998 Peterbilt 378 Cooling and Climate Controls have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Cooling and Climate Control upgrades. Explore related part types like Batteries and Chargers, Fluids and Chemicals and more to make sure your 1998 Peterbilt 378 is always ready to roll. We’re committed to providing you with everything you need to keep your 378 in top shape, all in one place. Start shopping confidently below for your 1998 Peterbilt 378!

Best-Selling Blend Doors for 1998 Peterbilt 378s

Enhance the driving experience in your Peterbilt with 2 quality Blend Door components, starting at $80.99.

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

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

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

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

HVAC Heater Water Shut-Off Valve Actuator: 1 Piece

from

$80.99
This HVAC heater water shut-off valve actuator is designed to match the appearance and function of the original actuator on specified applications, and is engineered for reliable performance and durability.

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

Most Popular 1998 Peterbilt 378 Blower Motor and Related Products

Customize your Peterbilt with 1 Blower Motor and Related Products products like Blower Motors, all priced under $175.99.

Carquest Premium – Blower Motor: Without Wheel (Part No.75858)

Blower Motor: Without Wheel

from

$175.99
Carquest Premium Blower Motors are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it once and fix it right with Carquest Premium Blower Motors. Meets or exceeds OE design. Magnetic size and properties compare or exceed OEM. Windings meet or exceed OEM Specifications. Motor RPM equivalent to or exceeds OEM motor.

Product Features:
  • Meets or exceeds OE design and performance
  • Magnetic size and properties compare or exceed OEM
  • Windings meet or exceed OEM specifications
  • Motor RPM equivalent to or exceeds OEM motor
See More

Top Picks for 1998 Peterbilt 378 Air Conditioning Parts

Upgrade Peterbilt 378s with top-quality Air Conditioning Parts parts, including 6 OEM and aftermarket selections for your 1998 model.

Carquest Premium – AC Pressure Switch (Part No.ACA1349)

AC Pressure Switch

from

$60.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compresso

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1769)

HVAC Pressure Switch

from

$45.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – AC Pressure Switch (Part No.ACA1319)

AC Pressure Switch

from

$41.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1331)

HVAC Pressure Switch

from

$39.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1779)

HVAC Pressure Switch

from

$25.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – HVAC Pressure Switch (Part No.ACA1763)

HVAC Pressure Switch

from

$21.99
The Carquest Premium line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

In-Demand Engine Cooling Parts for 1998 Peterbilt 378s

Select from 31 premium Engine Cooling Parts parts for your 1998 Peterbilt 378, with prices ranging from $28.99 to $703.99.

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15008)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$94.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15009)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$85.99
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
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2267)

Engine Water Pump: New, Gasket/Seals Included

from

$62.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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

Carquest Premium – Heavy Duty Thermostat: With Seal, 160 Degrees (Part No.15006)

Heavy Duty Thermostat: With Seal, 160 Degrees

from

$84.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14539)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$38.49
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
See More

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.
See More

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.
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15229)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$51.99
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
See More

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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$40.99
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
See More

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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44066HD)

Heavy-Duty Engine Water Pump

from

$621.99
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
See More

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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.14538)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$37.49
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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44054HD)

Heavy-Duty Engine Water Pump

from

$703.99
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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.46002HD)

Heavy-Duty Engine Water Pump

from

$668.99
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
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5018)

Engine Water Pump: New, Gasket/Seals Included

from

$541.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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

Gates – Heavy-Duty Engine Water Pump (Part No.44060HD)

Heavy-Duty Engine Water Pump

from

$529.99
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
See More

Gates – Heavy-Duty Engine Water Pump (Part No.44052HD)

Heavy-Duty Engine Water Pump

from

$481.99
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
See More

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T5009)

Engine Water Pump: New, Gasket/Seals Included

from

$409.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T3099)

Engine Water Pump: New, Gasket/Seals Included

from

$286.99
Carquest Premium water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, hub, bearings, gaskets and seals are designed for long-lasting service life. These water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.

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

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89112)

Coolant Spin-on with BTA PLUS Formula

from

$131.99
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 11 1/2 Units BTA PLUS
See More

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
See More

Carquest Premium – Coolant Spin-on without Chemicals (Part No.89113)

Coolant Spin-on without Chemicals

from

$82.99
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
  • Long Life (150,000 miles) used with Extended Service coolant.
See More

Carquest Premium – Engine Water Pump Adapter (Part No.T3009)

Engine Water Pump Adapter

from

$71.99
This back plate is an all new, original equipment-quality component for proper fit and long-life performance. Each plate is precision machined for optimal impeller clearance, plus all new back plates 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 plate may become worn during normal engine operation
  • It is highly recommended that the plate be replaced at the same time as the pump
  • Machined grey iron plate
  • Creates optimized impeller clearance for maximum coolant flow
  • Follow all enclosed instructions to maximize plate life and validate warranty
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.99065)

Coolant Spin-on with BTA PLUS Formula

from

$69.99
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 23 Units BTA PLUS
  • Maintenance filter for systems with 52-70 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 190 Degrees (Part No.15199)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$61.99
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
See More

Carquest Premium – Thermostat (Part No.14857)

Thermostat

from

$61.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. 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
See More

Carquest Premium – Coolant Spin-on with BTA PLUS Formula (Part No.89075)

Coolant Spin-on with BTA PLUS Formula

from

$57.99
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 15 Units BTA PLUS
  • Maintenance filter for systems with 44-51 gallons capacity. Can be used with 89019 base.
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15198)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$55.99
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
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.15197)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
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
See More

Top-Rated Cooling and Climate Controls Brands For Your 1998 Peterbilt 378

Shop for the best-rated brands offering Cooling and Climate Controls and other products for your 1998 Peterbilt 378s. Below you’ll find some of our best rated Cooling and Climate Controls from Carquest Premium, and more. Cooling and Climate Controls from these brands that fit a 1998 378 start at just $21.99 and are rated as high as 4 stars. OEM and aftermarket Cooling and Climate Controls don’t get more top quality, durable, and affordable than from the brands below.

Popular Carquest Premium 1998 Peterbilt 378 Cooling and Climate Controls

When it comes to maintaining or upgrading your 1998 Peterbilt 378, using quality Cooling and Climate Controls is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Cooling and Climate Controls, specifically designed for the 1998 Peterbilt 378. With over 33 Carquest Premium brand Cooling and Climate Controls in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $21.99, with an average price of just $94.47. Plus, with over 55 customer reviews and an average rating of 4 stars, you can trust that our Carquest Premium Cooling and Climate Controls will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

Heavy Duty Thermostat: With Seal, 190 Degrees
from
$38.49
This product is not rated

Heavy Duty Thermostat: With Seal, 190 Degrees

“”

Coolant Temperature Sensor with O-Ring
from
$52.99
This product is not rated

Coolant Temperature Sensor with O-Ring

“”

Coolant Spin-on with BTA PLUS Formula
from
$28.99
This product is not rated

Coolant Spin-on with BTA PLUS Formula

“”

FAQs for 1998 Peterbilt 378 Cooling and Climate Controls

Which Cooling and Climate Controls are best-sellers for 1998 Peterbilt 378s?

Out of 40 Cooling and Climate Controls that fit 1998 Peterbilt 378s, the following parts are the top sellers:

What’s the price range for 1998 Peterbilt 378 Cooling and Climate Controls?

Cooling and Climate Control prices for the 1998 Peterbilt 378 start at $21.99 and go up to $703.99 for the most premium parts.

What’s the average price of a Cooling and Climate Control for a 1998 Peterbilt 378?

The average price for Cooling and Climate Controls for the 1998 Peterbilt 378 is $84.55. Keep in mind the variety of part types within our Cooling and Climate Control category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Cooling and Climate Controls for other Peterbilt 378 model years?

Yes, we currently carry Cooling and Climate Controls for 19 model years of Peterbilt 378s between 1988 and 2007. Cooling and Climate Controls are bought most frequently for the following model years: 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, and 1999.

What are the cheapest Cooling and Climate Controls for my 1998 Peterbilt 378?

The cheapest 1998 Peterbilt 378 Cooling and Climate Controls we carry in stock are:

What are the top-rated Cooling and Climate Controls that fit the 1998 Peterbilt 378?

Out of 55 reviews by customers, our 1998 Peterbilt 378 Cooling and Climate Controls have an average customer rating of . These are some of the highest-rated Cooling and Climate Control types for the 1998 Peterbilt 378 and their top-rated products:

What types of Cooling and Climate Controls do you sell for my 1998 Peterbilt 378?

As of 2/5/25, these are some of the most in-demand types of Cooling and Climate Controls for a 1998 Peterbilt 378:

Can I get help with 1998 Peterbilt 378 Cooling and Climate Control orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Cooling and Climate Controls and more.

What is your return policy for Peterbilt 378 Cooling and Climate Controls?

Advance Auto Parts keeps returns simple. For new Peterbilt 378 Cooling and Climate Controls and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.