HomeHVAC > Motors, Core, Case and Related ComponentsFour Seasons 90070 HVAC Heater Core - Front
Part #: 90070

Four Seasons 90070 HVAC Heater Core - Front

Heater Core, Front
⚙️ 28 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$69.59Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Heater Core, Front
🚗Fitment: Acura and Honda, Accord, MDX, Odyssey, and Pilot
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HVAC Heater Core for Acura and Honda Vehicles

The Four Seasons Heater Core 90070 is designed to restore efficient heating performance in select Acura and Honda models. Engineered with durable aluminum construction, this heater core ensures consistent heat transfer and long-lasting operation for your vehicle's HVAC system.

  • Core dimensions: 7 inches length, 8-1/8 inches width, 1-1/4 inches thickness
  • Constructed from corrosion-resistant aluminum material
  • Core depth of 1.25 inches, height of 7 inches, and width of 8.125 inches
  • Tube sizes: 0.625 inch (15.875 mm) and 0.75 inch (19.05 mm)
  • Meets or exceeds OEM specifications for reliable fit and function
  • Compatible with Acura Accord, Honda MDX, Odyssey, and Pilot models

About the Four Seasons Heater Core Product Line

The Four Seasons Heater Core line focuses on providing replacement heater cores that meet or exceed original equipment manufacturer standards. This product line emphasizes quality materials such as aluminum cores for improved heat transfer and corrosion resistance. The Heater Core 90070 is part of this line, offering a direct-fit solution for HVAC system repairs in Acura and Honda vehicles.

Product Details and Specifications

This HVAC heater core features a robust aluminum core measuring 7 inches in length, 8-1/8 inches in width, and 1-1/4 inches in thickness. The core depth is 1.25 inches, with a height of 7 inches and width of 8.125 inches, providing precise fitment for the specified vehicle models. The heater core includes two tubes sized at 0.625 inch and 0.75 inch diameters, facilitating proper coolant flow. The design does not include adjustable pipe positioning, ensuring a straightforward replacement process. The Four Seasons 90070 heater core is engineered to meet or exceed OEM standards, ensuring compatibility and reliable heating performance in Acura Accord, Honda MDX, Odyssey, and Pilot vehicles.

Common Applications and Issues Addressed

  • Restores heating function in HVAC systems for Acura Accord and Honda MDX, Odyssey, Pilot
  • Resolves coolant leaks within the heater core assembly
  • Eliminates reduced cabin heat caused by clogged or damaged cores
  • Prevents engine overheating related to heater core failure
  • Addresses unpleasant odors from leaking or deteriorated heater cores

Installation Notes and Tips

When replacing the Four Seasons Heater Core 90070, ensure the vehicle is properly cooled and the cooling system is depressurized before removal. Verify the heater core dimensions and tube sizes match the original part for a precise fit. Since this heater core does not feature adjustable pipe positioning, careful alignment during installation is necessary. Inspect and flush the cooling system to prevent contamination and extend the life of the new heater core.

Quality Assurance and Warranty

The Four Seasons Heater Core 90070 is manufactured to meet or exceed OEM specifications, ensuring dependable performance and durability. This part undergoes rigorous quality control to maintain consistent standards. Please refer to Four Seasons' warranty policy for specific coverage details related to this heater core.

BrandFour Seasons
Part Number90070
PositionHeater Core, Front
Length7
Thickness1-1/4
Width8-1/8
Core MaterialAluminum
Adjustable Pipe PositioningNo
Core Depth IN1.250
Core Height IN7.000
Core Width IN8.125
DescriptionHeater cores
Meets / Exceeds OEM?Yes
StyleAluminum heater core
Tube 1 IN0.625
Tube 1 MM15.875
Tube 2 IN0.750
Tube 2 MM19.050
TypeHeater core /aluminum

This part fits 28 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008HondaPilotFrontHeater Core
2007HondaPilotFrontHeater Core
2006AcuraMDXFrontHeater Core
2006HondaPilotFrontHeater Core
2005AcuraMDXFrontHeater Core
2005HondaPilotFrontHeater Core
2004AcuraMDXFrontHeater Core
2004HondaOdysseyFrontHeater Core
2004HondaPilotFrontHeater Core
2003AcuraMDXFrontHeater Core
2003HondaOdysseyFrontHeater Core
2003HondaPilotFrontHeater Core
2002AcuraMDXFrontHeater Core
2002HondaAccord2.3LL4N/AEngine Cooling Fan Motor Relay - New Part; Heater Core
2002HondaAccord3.0LV6N/AHeater Core
2002HondaOdysseyFrontHeater Core
2001AcuraMDXFrontHeater Core
2001HondaAccord2.3LL4N/AEngine Cooling Fan Motor Relay - New Part; Heater Core
2001HondaAccord3.0LV6N/AHeater Core
2001HondaOdysseyFrontHeater Core
2000HondaAccord2.3LL4N/AEngine Cooling Fan Motor Relay - New Part; Heater Core
2000HondaAccord3.0LV6N/AHeater Core
2000HondaOdysseyFrontHeater Core
1999HondaAccord2.3LL4N/AEngine Cooling Fan Motor Relay - New Part; Heater Core
1999HondaAccord3.0LV6N/AHeater Core
1999HondaOdysseyFrontHeater Core
1998HondaAccord2.3LL4N/AEngine Cooling Fan Motor Relay - New Part; Heater Core
1998HondaAccord3.0LV6N/AHeater Core

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

111930701811715279703398215399160553070660361779110S0XA0179110S3VA5179110S84A0179110S87A018231396823142090070901038293063930709806398070HT398215HT398215CHT399160

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.