Four Seasons 98617 HVAC Heater Core - Front
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Four Seasons
 Heater Core

Four Seasons 98617 HVAC Heater Core - Front

Brand Four Seasons 98617
Position Front
Length 9-1/8
Thickness 1-7/8
Width 7-1/4
Core Material Aluminum
Adjustable Pipe Positioning No
Core Depth IN 1.875
Core Height IN 9.125
Core Width IN 7.250
Description Heater cores
Meets / Exceeds OEM? Yes
Style Aluminum heater core
Tube 1 IN 0.625
Tube 1 MM 15.875
Tube 2 IN 0.750
Tube 2 MM 19.050
Type Heater core /aluminum
Product line Heater Core
Fits Chevrolet and GMC · 130 vehicles

OE direct replacement. Meets or exceeds OEM requirements for a confident fit.

Aluminum construction. Lightweight core material helps transfer heat efficiently.

Heater core. Restores cabin heat through the HVAC system.

Cross-references Airtex Fuel Pumps 6873, APDI 9010133 and Catco 9095 for the same application. See all 32.

$58.46Free shipping
In stock · usually ships same day before 1pm CST
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Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all HVAC Heater Core options

Heater Core for GM Van Applications

The Four Seasons 98617 heater core is an aluminum HVAC heater core built for direct replacement in select Chevrolet and GMC van applications. With OE-style dimensions and confirmed fitment across 1978-1999 Chevrolet G10, G20, G30, P30 and GMC G15, G25, G35, G1500, G2500, G3500, and P3500 models, it supports dependable cabin heat in vehicles with and without air conditioning, depending on application.

Four Seasons Heater Core line parts are built around application-specific sizing and construction details, making them a practical choice when replacing a leaking or restricted heater core in GM full-size vans and chassis cab platforms. Part number 98617 is an OE replacement option that meets or exceeds OEM requirements.

Key Features

  • Four Seasons heater core, part number 98617
  • Aluminum core construction for HVAC heater service
  • Dimensions: 9-1/8 in. length, 7-1/4 in. width, 1-7/8 in. thickness
  • Core height: 9.125 in.; core width: 7.250 in.; core depth: 1.875 in.
  • Tube sizes: 0.625 in. and 0.750 in.
  • Meets or exceeds OEM specifications
  • Direct-fit style for select Chevrolet and GMC applications

Detailed Description

The Four Seasons 98617 heater core is an aluminum heater core designed for HVAC repair on select Chevrolet and GMC vehicles, including Chevrolet G10, G20, G30, P30 and GMC G15, G25, G35, G1500, G2500, G3500, and P3500 models. This part number is used across a broad range of 1978-1999 applications, including front-position installations and models noted for use with or without air conditioning. If you are searching for a heater core for a Chevrolet G30 front HVAC repair or a GMC G3500 heater core replacement, 98617 is a direct reference to verify against your vehicle’s configuration.

This part cross-references Spectra Premium 94617 and Gates 26240 for the same application.

What It Helps Address

  • Loss of cabin heat from a leaking or clogged heater core
  • Coolant odor or moisture inside the HVAC case area
  • Restricted coolant flow through the heater circuit
  • Uneven or weak heat output from the dash vents
  • Replacement needs during HVAC system service on GM vans and P-series vehicles

Installation Notes and Tips

Verify the vehicle year, make, model, and HVAC configuration before installation. Fitment includes front and N/A position listings depending on application, so confirm the exact mounting location and whether the vehicle is equipped with air conditioning where noted. Inspect hoses, clamps, and coolant condition during heater core replacement, and flush the cooling system if contamination or debris is present.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. The aluminum construction and application-specific dimensions support accurate replacement for the listed Chevrolet and GMC fitments, including 1978-1999 GM van and chassis applications.

Related reading

This part fits 130 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1999ChevroletP30——N/ACompatible with models that do not have air conditioning.; Heater Core
1999GMCP3500——N/ACompatible with models that do not have air conditioning.; Heater Core
1998ChevroletP305.7LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1998ChevroletP306.5LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1998ChevroletP304.3LV6N/ACompatible with models that do not have air conditioning.; Heater Core
1998ChevroletP307.4LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1998GMCP3500——N/ACompatible with models that do not have air conditioning.; Heater Core
1997ChevroletP30——N/ACompatible with models that do not have air conditioning.; Heater Core
1997GMCP3500——N/ACompatible with models that do not have air conditioning.; Heater Core
1996ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1996ChevroletP30——FrontCompatible with models that do not have air conditioning.; Heater Core
1996GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1996GMCP3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1995ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1995ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1995ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1995ChevroletP30——FrontCompatible with models that do not have air conditioning.; Heater Core
1995GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995GMCP3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1994ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1994ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1994ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1994ChevroletP30——FrontCompatible with models that do not have air conditioning.; Heater Core
1994GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994GMCP3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1993ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1993ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1993ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1993ChevroletP30——FrontCompatible with models that do not have air conditioning.; Heater Core
1993GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993GMCP3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1992ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1992ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1992ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1992GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1991ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1991ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1991GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1991GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1991GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1990ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1990ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1990ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1990GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1990GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1990GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1989ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1989ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1989ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1989GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1989GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1989GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1988ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1988ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1988ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1988GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1988GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1988GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1987ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1987ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1987ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1987GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1987GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1987GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1986ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1986ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1986ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1986GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1986GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1986GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1985ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1985ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1985ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1985GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1985GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1985GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1984ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1984ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1984ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1984GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1984GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1984GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1983ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1983ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1983ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1983GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1983GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1983GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1982ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1982ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1982ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1982GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1982GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1982GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1981ChevroletG10——FrontCompatible with models that do not have air conditioning.; Heater Core
1981ChevroletG20——FrontCompatible with models that do not have air conditioning.; Heater Core
1981ChevroletG30——FrontCompatible with models that do not have air conditioning.; Heater Core
1981GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1981GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1981GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1980ChevroletG10——N/ACompatible with models that do not have air conditioning.; Heater Core
1980ChevroletG20——N/ACompatible with models that do not have air conditioning.; Heater Core
1980ChevroletG30——N/ACompatible with models that do not have air conditioning.; Heater Core
1980GMCG1500——N/ACompatible with models that do not have air conditioning.; Heater Core
1980GMCG2500——N/ACompatible with models that do not have air conditioning.; Heater Core
1980GMCG3500——N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG10——N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG20——N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG306.6LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG305.7LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG305.0LV8N/ACompatible with models that do not have air conditioning.; Heater Core
1979ChevroletG304.1LL6N/ACompatible with models that do not have air conditioning.; Heater Core
1979GMCG1500——N/ACompatible with models that do not have air conditioning.; Heater Core
1979GMCG2500——N/ACompatible with models that do not have air conditioning.; Heater Core
1979GMCG3500——N/ACompatible with models that do not have air conditioning.; Heater Core
1978ChevroletG10——N/ACompatible with models that do not have air conditioning.; Heater Core
1978ChevroletG20——N/ACompatible with models that do not have air conditioning.; Heater Core
1978ChevroletG30——N/ACompatible with models that do not have air conditioning.; Heater Core
1978GMCG15——N/ACompatible with models that do not have air conditioning.; Heater Core
1978GMCG25——N/ACompatible with models that do not have air conditioning.; Heater Core
1978GMCG35——N/ACompatible with models that do not have air conditioning.; Heater Core
Directly replaces or cross-references 32 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Airtex Fuel Pumps — 6873APDI — 9010133Catco — 9095Four Seasons — 98617Gates — 26240Global Parts Distributors LLC — 8231304OSC — 2333Spectra Premium — 94617909509607710021425018627914239909555461770233370915015600241563316171000918121193037515460313466031341913197652479868E812041GM9095H2366HT399095HT399095CZH186