One Stop Solutions 98535 HVAC Heater Core

Brand One Stop Solutions 98535
Fits Buick, Chevrolet, GMC, Oldsmobile, and Pontiac · 141 vehicles

OE direct replacement. Drop-in fit with original form and function.

Premium aluminum construction. Cadmium-plated tubes help resist premature failure.

Individually pressure tested. Built to meet cycle, vibration, burst, and environmental testing.

Cross-references Spectra Premium 94535 and 398226 for the same application. See all 2.

$62.91Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
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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.

OE-Style Heater Core Replacement

One Stop Solutions 98535 is a premium HVAC heater core built for Original Equipment form and function. It is made from aluminum with cadmium-plated tubes inside and out, and each unit is pressure tested before release. This heater core is a direct replacement for copper-designed units and includes the foam and accessories needed for the application.

Key Features

  • Drop-in fit, form, and function for OE-style replacement
  • Premium aluminum construction for added durability
  • Cadmium-plated tubes help resist premature failure
  • Individually pressure tested for leak verification
  • Includes necessary foam and accessories
  • Built to address original design failures in higher-mileage vehicles
  • Cycle, vibration, burst, and environmental testing used in validation

Detailed Description

The One Stop Solutions 98535 heater core is engineered for classic GM and Pontiac vehicles with air conditioning systems, including applications such as the Buick Skylark, Chevrolet El Camino, Chevrolet Monte Carlo, Oldsmobile Cutlass, Pontiac GTO, and Pontiac LeMans. It is also listed for Chevrolet Bel Air, Caprice, and Impala W/AC, along with Pontiac Bonneville, Catalina, and Tempest applications. This part cross-references Spectra Premium 94535 and 398226 for the same application.

As an aluminum HVAC heater core, 98535 is designed to replace copper-style originals while maintaining OE-style fit and function. The construction and testing focus on durability, leak resistance, and long-term service in vehicles that have accumulated mileage.

What It Helps Address

  • Coolant leaks from a failing heater core
  • Reduced cabin heat output
  • Internal corrosion in aging copper-style cores
  • Premature failure from vibration and thermal cycling
  • Fitment issues caused by non-OE replacement dimensions

Installation Notes

Verify the vehicle’s HVAC configuration before ordering, since listed applications are for vehicles with air conditioning systems or W/AC. Confirm the original heater core style and compare the part number, dimensions, and hose connections before installation. Replace any degraded foam or seals during service to help maintain proper airflow through the HVAC case.

Quality Assurance

Each One Stop Solutions heater core is individually pressure tested and validated with cycle, vibration, burst, and environmental testing. The aluminum design and plated tubes are selected to improve service life in demanding HVAC use.

This part fits 141 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1972BuickSkylark—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletEl Camino—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletEl Camino—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletEl Camino—5.0LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletEl Camino—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletEl Camino—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1972ChevroletMonte Carlo—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletMonte Carlo—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972ChevroletMonte Carlo—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1972OldsmobileCustom Cruiser—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1972OldsmobileCutlass—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972OldsmobileCutlass—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1972OldsmobileCutlass Supreme—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972OldsmobileCutlass Supreme—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1972PontiacGrand Prix—6.6LV8N/AWith AC, Standard Output Heater
1972PontiacGrand Prix—7.5LV8N/AWith AC, Standard Output Heater
1972PontiacGTO—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1972PontiacGTO—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1972PontiacLeMans—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1972PontiacLeMans—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1972PontiacLeMans—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1972PontiacLeMans—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1971BuickSkylark—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1971BuickSkylark—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1971BuickSkylark—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletEl Camino—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletEl Camino—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletEl Camino—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1971ChevroletEl Camino—5.0LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletEl Camino—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletMonte Carlo—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletMonte Carlo—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1971ChevroletMonte Carlo—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1971OldsmobileCutlass—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1971OldsmobileCutlass—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1971OldsmobileCutlass—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1971OldsmobileCutlass Supreme—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1971PontiacGrand Prix—6.6LV8N/AWith AC, Standard Output Heater
1971PontiacGrand Prix—7.5LV8N/AWith AC, Standard Output Heater
1971PontiacGTO—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1971PontiacGTO—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1971PontiacLeMans—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1971PontiacLeMans—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1971PontiacLeMans—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1971PontiacLeMans—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970BuickSkylark—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970BuickSkylark—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1970BuickSkylark—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletBel Air—6.6LV8N/AW/AC
1970ChevroletBel Air—5.7LV8N/AW/AC
1970ChevroletBel Air—4.1LL6N/AW/AC
1970ChevroletBel Air—7.4LV8N/AW/AC
1970ChevroletCaprice—6.6LV8N/AW/AC
1970ChevroletCaprice—5.7LV8N/AW/AC
1970ChevroletCaprice—7.4LV8N/AW/AC
1970ChevroletEl Camino—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletEl Camino—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletEl Camino—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1970ChevroletEl Camino—5.0LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletEl Camino—6.5LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletEl Camino—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletImpala—6.6LV8N/AW/AC
1970ChevroletImpala—5.7LV8N/AW/AC
1970ChevroletImpala—4.1LL6N/AW/AC
1970ChevroletImpala—7.4LV8N/AW/AC
1970ChevroletMonte Carlo—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletMonte Carlo—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970ChevroletMonte Carlo—7.4LV8N/ACompatible with vehicles with air conditioning systems.
1970OldsmobileCutlass—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970OldsmobileCutlass—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1970OldsmobileCutlass—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacBonneville—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacBonneville—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalina—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalina—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalina—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalinaSafari6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalinaSafari5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacCatalinaSafari7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacGrand Prix—6.6LV8N/AWith AC, Standard Output Heater
1970PontiacGrand Prix—7.5LV8N/AWith AC, Standard Output Heater
1970PontiacGTO—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacGTO—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacLeMans—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacLeMans—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1970PontiacLeMans—7.5LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacLeMans—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacTempest—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1970PontiacTempest—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1970PontiacTempest—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1969BuickSkylark—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1969BuickSkylark—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1969ChevroletBel Air—5.7LV8N/AW/AC
1969ChevroletBel Air—5.4LV8N/AW/AC
1969ChevroletBel Air—4.1LL6N/AW/AC
1969ChevroletBel Air—6.5LV8N/AW/AC
1969ChevroletBel Air—7.0LV8N/AW/AC
1969ChevroletCaprice—5.7LV8N/AW/AC
1969ChevroletCaprice—5.4LV8N/AW/AC
1969ChevroletCaprice—4.1LL6N/AW/AC
1969ChevroletCaprice—6.5LV8N/AW/AC
1969ChevroletCaprice—7.0LV8N/AW/AC
1969ChevroletCaprice—5.0LV8N/AW/AC
1969ChevroletCaprice—5.3LV8N/AW/AC
1969ChevroletEl Camino—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1969ChevroletEl Camino—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1969ChevroletEl Camino—3.8LL6N/ACompatible with vehicles with air conditioning systems.
1969ChevroletEl Camino—5.0LV8N/ACompatible with vehicles with air conditioning systems.
1969ChevroletEl Camino—6.5LV8N/ACompatible with vehicles with air conditioning systems.
1969ChevroletImpala—5.7LV8N/AW/AC
1969ChevroletImpala—5.4LV8N/AW/AC
1969ChevroletImpala—4.1LL6N/AW/AC
1969ChevroletImpala—6.5LV8N/AW/AC
1969ChevroletImpala—7.0LV8N/AW/AC
1969ChevroletImpala—5.0LV8N/AW/AC
1969ChevroletImpala—5.3LV8N/AW/AC
1969OldsmobileCutlass—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1969OldsmobileCutlass—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1969PontiacCatalina—6.6LV8N/Aw/ AC; Late
1969PontiacGrand Prix—6.6LV8N/AWith AC, Standard Output Heater
1969PontiacGrand Prix—7.0LV8N/AWith AC, Standard Output Heater
1969PontiacGTO—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1969PontiacLeMans—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1969PontiacLeMans—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1969PontiacLeMans—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1969PontiacTempest—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1969PontiacTempest—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1969PontiacTempest—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1968BuickSkylark—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1968BuickSkylark—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1968BuickSkylark—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1968OldsmobileCutlass—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1968OldsmobileCutlass—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1968OldsmobileCutlass—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1968PontiacGTO—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1968PontiacLeMans—6.6LV8N/ACompatible with vehicles with air conditioning systems.
1968PontiacLeMans—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1968PontiacLeMans—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1968PontiacTempest—4.1LL6N/ACompatible with vehicles with air conditioning systems.
1968PontiacTempest—5.7LV8N/ACompatible with vehicles with air conditioning systems.
1968PontiacTempest—6.6LV8N/ACompatible with vehicles with air conditioning systems.
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Spectra Premium — 94535398226