2000 New Flyer D40LF Engine Cooling Parts

Keep Your 2000 New Flyer D40LF in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 2000 New Flyer D40LF looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostats, Coolant Temperature Sensors, and Cooling System Filters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 2000 New Flyer D40LF Engine Cooling Part at Advance Auto Parts is around $67.66, with a range that starts at $4.99 and goes up to $172.99. With 3 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Heavy Duty Thermostat: With Seal, 180 Degrees, Coolant Temperature Sensor, and Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula start at just $4.99 and offer a great balance of form and function.

Essential 2000 New Flyer D40LF Engine Cooling Parts

Carquest Premium – Coolant Temperature Sensor (Part No.WTA2369)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • Extensive design validation testing and 100% end-of-line tested
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Coolant Temperature Sensor (Part No.WTA2365)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


    Product Features:
    • Designed to meet or exceed OE specifications for fit, form and function
    • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
    • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
    • O-rings, seals or thread sealant are included if required
    • Weather-tight connectors prevent leaks and corrosion for longer life
    • Extensive design validation testing and 100% end-of-line tested
    • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
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:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
See More

Carquest Premium – Heavy Duty Thermostat: With Seal, 170 Degrees (Part No.14537)

Heavy Duty Thermostat: With Seal, 170 Degrees

from

$52.99
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.

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.15008)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$96.99
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.

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

$36.99
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.

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 Coolant HD Thermostat: With Seal, 190 Degrees (Part No.15199)

Engine Coolant HD Thermostat: With Seal, 190 Degrees

from

$68.99
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

$38.99
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.15218)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$24.99
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.

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 Coolant HD Thermostat: With Seal, 160 Degrees (Part No.15006)

Engine Coolant HD Thermostat: With Seal, 160 Degrees

from

$86.99
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

$39.99
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:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM 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, 190 Degrees (Part No.14239)

Heavy Duty Thermostat: With Seal, 190 Degrees

from

$41.99
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:
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
See More

Carquest Premium – Engine Coolant HD Thermostat: With Seal, 190 Degrees (Part No.15009)

Engine Coolant HD Thermostat: With Seal, 190 Degrees

from

$87.99
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 – Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula (Part No.89088)

Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula

from

$172.99
Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:
  • Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Made in USA
  • Includes Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Can be used with 89019 base.
See More

Most Popular Thermostat for 2000 New Flyer D40Lves

Enhance your 2000 New Flyer D40LF with this popular Thermostat we have in stock, for $24.99.

Carquest Premium – Heavy Duty Thermostat: With Seal, 180 Degrees (Part No.15218)

Heavy Duty Thermostat: With Seal, 180 Degrees

from

$24.99
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.

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

Best-Selling 2000 New Flyer D40LF Coolant Temperature Sensor

Upgrade your D40LF with our best-selling Coolant Temperature Sensor.

Carquest Premium – Coolant Temperature Sensor (Part No.WTA2365)

Coolant Temperature Sensor

from

$4.99
Carquest Premium coolant temperature sensors and switches are designed to perform in harsh engine environments and meet or exceed original equipment (O.E.) specifications. Built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry, Carquest Premium coolant temperature sensors and switches undergo extensive validation testing to ensure long-lasting performance and reliability. Carquest Premium coolant temperature sensors and switches are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:


Product Features:
  • Designed to meet or exceed OE specifications for fit, form and function
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • OE precision matched thermistor ensuring Carquest sensors match OE output resistances across all temperature positions
  • O-rings, seals or thread sealant are included if required
  • Weather-tight connectors prevent leaks and corrosion for longer life
  • Extensive design validation testing and 100% end-of-line tested
  • Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Top-Quality Cooling System Filters for 2000 New Flyer D40Lves

Choose a high-quality OEM or aftermarket Cooling System Filter for New Flyer D40Lves and enjoy top-notch performance from $172.99.

Carquest Premium – Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula (Part No.89088)

Spin-On Coolant Filter: Controlled Release with BTE PLUS Formula

from

$172.99
Carquest Premium Coolant Filters protect your engine’s cooling system by filtering out rust, scale, dirt, and other particles from the coolant fluid. Coolant filters remove contaminants that build up and cause clogging or corrosion in the radiator, water pump, heater core, and engine passages. By keeping the coolant clean and effective, these filters help prevent overheating and ensure optimal engine performance. Carquest Premium Coolant Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:
  • Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Made in USA
  • Includes Flow Control Orifice that meters flow of coolant through filter to allow coolant additives to be released in the amount required to maintain proper system balance for up to 150,000 miles of service.
  • Can be used with 89019 base.
See More

FAQs for 2000 New Flyer D40LF Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 2000 New Flyer D40Lves?

Out of 3 Engine Cooling Parts that fit 2000 New Flyer D40Lves, the following parts are the top sellers:

What’s the price range for 2000 New Flyer D40LF Engine Cooling Parts?

The prices of Engine Cooling Parts for the 2000 New Flyer D40LF range from $4.99 up to $172.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 2000 New Flyer D40LF?

The average price for Engine Cooling Parts for the 2000 New Flyer D40LF is $67.66. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other New Flyer D40LF model years?

Yes, we carry Engine Cooling Parts for 10 model years of New Flyer D40Lves between 1991 and 2004. The following model years are the most popular for Engine Cooling Part purchases: 2004, 2003, 2002, 2001, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Engine Cooling Parts for my 2000 New Flyer D40LF?

The cheapest 2000 New Flyer D40LF Engine Cooling Parts we carry are:

Does Advance Auto Parts sell Engine Cooling Parts for any other 2000 New Flyer models?

Yes. We stock Engine Cooling Parts for 5 other popular 2000 New Flyer models. Some of the most popular are 2000 C40LF Engine Cooling Parts, 2000 D35 Engine Cooling Parts, 2000 D60 Engine Cooling Parts, 2000 D35LF Engine Cooling Parts, and 2000 D30LF Engine Cooling Parts.

What types of Engine Cooling Parts do you sell for my 2000 New Flyer D40LF?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Parts for a 2000 New Flyer D40LF:

Can I get help with 2000 New Flyer D40LF Engine Cooling Part orders?

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

What is your return policy for New Flyer D40LF Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new New Flyer D40LF Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.