Four Seasons 98616 HVAC Heater Core - Front
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Four Seasons
 Heater Core

Four Seasons 98616 HVAC Heater Core - Front

Brand Four Seasons 98616
Position Front
Length 9-1/4
Thickness 2
Width 6
Core Material Aluminum
Adjustable Pipe Positioning No
Core Depth IN 2.000
Core Height IN 9.250
Core Width IN 6.000
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 dependable fit and function.

Aluminum construction. Lightweight core material helps support efficient heat transfer.

Heater core. Built for HVAC systems to restore cabin heat performance.

Cross-references Anchor 2327, Anchor 9094 and APDI 9010122 for the same application. See all 33.

$57.39Free shipping
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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 HVAC Systems

The Four Seasons 98616 heater core is an aluminum HVAC heater core built to meet or exceed OEM requirements. With a 9-1/4 in. core height, 6 in. core width, and 2 in. core depth, it is sized for select Chevrolet G10, G20, G30 and GMC G1500, G2500, G3500 applications, including front-position installations and air-conditioned configurations where noted.

Four Seasons Heater Core 98616 is part of the brand’s heater core line for direct-fit HVAC service. It is engineered as an aluminum heater core with fixed pipe positioning and tube sizes of 0.625 in. and 0.750 in., helping match the original system layout in the vehicle.

Key Features

  • Aluminum core construction for HVAC heater service
  • Core dimensions: 9-1/4 in. height, 6 in. width, 2 in. depth
  • Tube sizes: 0.625 in. and 0.750 in.
  • Fixed pipe positioning; adjustable pipe positioning: No
  • Meets or exceeds OEM specifications
  • Direct replacement for select Chevrolet and GMC van applications

Detailed Description

This heater core is intended for vehicles that rely on the HVAC system to transfer engine heat into the cabin. The aluminum core material supports efficient heat exchange while maintaining the compact dimensions required for GM G-series and P-series van heater boxes. Fits 1978-1980 Chevrolet G10, N/A; Fits 1978-1980 Chevrolet G20, N/A; Fits 1978-1980 Chevrolet G30, N/A; Fits 1981-1995 Chevrolet G10, Front; Fits 1981-1995 Chevrolet G20, Front; Fits 1981-1996 Chevrolet G30, Front; Fits 1993-1996 Chevrolet P30, Front; Fits 1997-1999 Chevrolet P30, N/A; Fits 1978 GMC G15, N/A; Fits 1978 GMC G25, N/A; Fits 1978 GMC G35, N/A; Fits 1979-1980 GMC G1500, N/A; Fits 1979-1980 GMC G2500, N/A; Fits 1979-1980 GMC G3500, N/A; Fits 1981-1991 GMC G1500, Front; Fits 1981-1991 GMC G2500, Front; Fits 1981-1991 GMC G3500, Front; Fits 1992-1995 GMC G1500, Front; Fits 1992-1995 GMC G2500, Front; Fits 1992-1996 GMC G3500, Front; Fits 1993-1996 GMC P3500, Front; Fits 1997-1999 GMC P3500, N/A. This part cross-references Gates 6857 and Standard Ignition 6923 for the same application.

Common Problems This Part Can Address

  • Loss of cabin heat from a leaking or restricted heater core
  • Coolant odor inside the vehicle caused by heater core seepage
  • Fogging or film on the windshield from HVAC coolant leakage
  • Uneven or weak heat output from the dash vents
  • Corrosion-related heater core failure in older GM van HVAC systems

Installation Notes and Tips

Verify core dimensions, tube diameters, and pipe orientation before installation. Confirm whether the vehicle uses a front-position heater core and check the air conditioning configuration listed in the fitment notes for your Chevrolet G10, G20, G30 or GMC G1500, G2500, G3500 application. Flush the cooling system and inspect hoses, seals, and the heater box for contamination or debris before installing the replacement core.

Quality Assurance

Four Seasons lists this heater core as meeting or exceeding OEM requirements. The part number 98616 is supported by multiple interchange references, including Four Seasons 37531, for the same application family.

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 vehicles equipped with air conditioning.; Heater Core
1999GMCP3500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1998ChevroletP305.7LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1998ChevroletP306.5LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1998ChevroletP304.3LV6N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1998ChevroletP307.4LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1998GMCP3500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1997ChevroletP30——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1997GMCP3500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1996ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1996ChevroletP30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1996GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1996GMCP3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995ChevroletP30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1995GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1995GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1995GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1995GMCP3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994ChevroletP30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1994GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1994GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1994GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1994GMCP3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993ChevroletP30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1993GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1993GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1993GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1993GMCP3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1992GMCG1500——FrontCompatible with models that do not have air conditioning.; Heater Core
1992GMCG2500——FrontCompatible with models that do not have air conditioning.; Heater Core
1992GMCG3500——FrontCompatible with models that do not have air conditioning.; Heater Core
1991ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1991GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1990GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1989GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1988GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1987GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1986GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1985GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1984GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1983GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1982GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981ChevroletG10——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981ChevroletG20——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981ChevroletG30——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981GMCG1500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981GMCG2500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1981GMCG3500——FrontCompatible with vehicles equipped with air conditioning.; Heater Core
1980ChevroletG10——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1980ChevroletG20——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1980ChevroletG30——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1980GMCG1500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1980GMCG2500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1980GMCG3500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG10——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG20——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG306.6LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG305.7LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG305.0LV8N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979ChevroletG304.1LL6N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979GMCG1500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979GMCG2500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1979GMCG3500——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978ChevroletG10——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978ChevroletG20——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978ChevroletG30——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978GMCG15——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978GMCG25——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
1978GMCG35——N/ACompatible with vehicles equipped with air conditioning.; Heater Core
Directly replaces or cross-references 33 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2327Anchor — 9094APDI — 9010122Carlson — H2309Four Seasons — 37531Four Seasons — 98616Gates — 6857Global Parts Distributors LLC — 1811700Global Parts Distributors LLC — 8231303Remy — 94616Remy — 96037Standard Ignition — 6923UAC — HT399094C260909094010021325018727914339909455461670232770914915600251563321171000830375314603113660311352479873E812042GM9094HT399094ZH187