One Stop Solutions 98535 HVAC Heater Core

Name: One Stop Solutions 98535 HVAC Heater Core
Brand: One Stop Solutions
SKU: FKFN-98535
Price: 62.91 USD
Availability: InStock

141 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Buick, Chevrolet, GMC, Oldsmobile, and Pontiac, Skylark, Chevelle, El Camino, Monte Carlo, Sprint, Custom Cruiser, Cutlass, Cutlass Supreme, F85, Grand Prix, GTO, LeMans, Bel Air, Biscayne, Brookwood, Caprice, Impala, Kingswood, Townsman, Bonneville, Catalina, and Tempest

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Reliable HVAC Heater Core Replacement for Classic GM Vehicles

The One Stop Solutions HVAC Heater Core part number 98535 is designed to provide a direct replacement for heating systems in select Buick, Chevrolet, Oldsmobile, and Pontiac models. Engineered to address original design shortcomings, this heater core ensures improved durability and consistent performance for vehicles such as the Chevrolet Caprice and Pontiac Grand Prix.

Key Features of One Stop Solutions HVAC Heater Core 98535

Features drop-in fit, form, and function for straightforward installation
Addresses original design failures to enhance heater core lifespan
Tested under cycle, vibration, burst, and environmental conditions for reliability
Constructed with premium grade materials to extend product longevity
Improves the operational life of high mileage vehicles

Detailed Product Description

This HVAC heater core from One Stop Solutions is engineered to meet the specific requirements of classic GM vehicles including Buick LeMans, Chevrolet Impala, Oldsmobile Cutlass Supreme, and Pontiac GTO. The part number 98535 offers a precise replacement that maintains the original fit and function while improving upon the durability issues found in some factory-installed cores. Utilizing rigorous testing protocols such as vibration and burst resistance, this heater core is built to withstand the demanding conditions of automotive HVAC systems. The use of premium materials ensures that the heater core resists corrosion and wear, contributing to longer service intervals and reduced maintenance needs.

Common Applications and Problem Solving

Replacement for leaking or clogged heater cores in Buick, Chevrolet, Oldsmobile, and Pontiac models
Solves overheating or insufficient cabin heating issues
Addresses premature failure caused by original design limitations
Improves heating system reliability in high mileage vehicles
Prevents coolant leaks that can damage HVAC components

Installation Notes and Tips

Installation of the One Stop Solutions heater core 98535 is designed to be a drop-in replacement, matching the original equipment specifications for compatible models. It is recommended to flush the cooling system before installation to remove debris and prevent premature clogging. Ensure all hose connections are secure and check for leaks after installation. Professional installation is advised for vehicles with complex HVAC assemblies.

Quality Assurance and Warranty

One Stop Solutions manufactures this heater core with strict quality control standards, including environmental and durability testing to ensure consistent performance. While specific warranty details are not provided, the use of premium materials and rigorous testing supports product reliability and longevity for Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

This part fits 141 vehicles. Search below:

Year	Make	Model	Submodel	Liters	Cylinders	Position	Notes
1972	Buick	Skylark		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	El Camino		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	El Camino		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	El Camino		5.0L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	El Camino		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	El Camino		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	Monte Carlo		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	Monte Carlo		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Chevrolet	Monte Carlo		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Oldsmobile	Custom Cruiser		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Oldsmobile	Cutlass		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Oldsmobile	Cutlass		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Oldsmobile	Cutlass Supreme		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Oldsmobile	Cutlass Supreme		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	Grand Prix		6.6L	V8	N/A	With AC, Standard Output Heater
1972	Pontiac	Grand Prix		7.5L	V8	N/A	With AC, Standard Output Heater
1972	Pontiac	GTO		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	GTO		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	LeMans		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	LeMans		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	LeMans		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1972	Pontiac	LeMans		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Buick	Skylark		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Buick	Skylark		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1971	Buick	Skylark		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	El Camino		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	El Camino		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	El Camino		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	El Camino		5.0L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	El Camino		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	Monte Carlo		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	Monte Carlo		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Chevrolet	Monte Carlo		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Oldsmobile	Cutlass		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Oldsmobile	Cutlass		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1971	Oldsmobile	Cutlass		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Oldsmobile	Cutlass Supreme		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	Grand Prix		6.6L	V8	N/A	With AC, Standard Output Heater
1971	Pontiac	Grand Prix		7.5L	V8	N/A	With AC, Standard Output Heater
1971	Pontiac	GTO		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	GTO		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	LeMans		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	LeMans		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	LeMans		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1971	Pontiac	LeMans		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Buick	Skylark		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Buick	Skylark		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1970	Buick	Skylark		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	Bel Air		6.6L	V8	N/A	W/AC
1970	Chevrolet	Bel Air		5.7L	V8	N/A	W/AC
1970	Chevrolet	Bel Air		4.1L	L6	N/A	W/AC
1970	Chevrolet	Bel Air		7.4L	V8	N/A	W/AC
1970	Chevrolet	Caprice		6.6L	V8	N/A	W/AC
1970	Chevrolet	Caprice		5.7L	V8	N/A	W/AC
1970	Chevrolet	Caprice		7.4L	V8	N/A	W/AC
1970	Chevrolet	El Camino		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	El Camino		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	El Camino		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	El Camino		5.0L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	El Camino		6.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	El Camino		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	Impala		6.6L	V8	N/A	W/AC
1970	Chevrolet	Impala		5.7L	V8	N/A	W/AC
1970	Chevrolet	Impala		4.1L	L6	N/A	W/AC
1970	Chevrolet	Impala		7.4L	V8	N/A	W/AC
1970	Chevrolet	Monte Carlo		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	Monte Carlo		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Chevrolet	Monte Carlo		7.4L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Oldsmobile	Cutlass		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Oldsmobile	Cutlass		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1970	Oldsmobile	Cutlass		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Bonneville		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Bonneville		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina	Safari	6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina	Safari	5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Catalina	Safari	7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Grand Prix		6.6L	V8	N/A	With AC, Standard Output Heater
1970	Pontiac	Grand Prix		7.5L	V8	N/A	With AC, Standard Output Heater
1970	Pontiac	GTO		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	GTO		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	LeMans		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	LeMans		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	LeMans		7.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	LeMans		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Tempest		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Tempest		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1970	Pontiac	Tempest		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Buick	Skylark		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Buick	Skylark		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	Bel Air		5.7L	V8	N/A	W/AC
1969	Chevrolet	Bel Air		5.4L	V8	N/A	W/AC
1969	Chevrolet	Bel Air		4.1L	L6	N/A	W/AC
1969	Chevrolet	Bel Air		6.5L	V8	N/A	W/AC
1969	Chevrolet	Bel Air		7.0L	V8	N/A	W/AC
1969	Chevrolet	Caprice		5.7L	V8	N/A	W/AC
1969	Chevrolet	Caprice		5.4L	V8	N/A	W/AC
1969	Chevrolet	Caprice		4.1L	L6	N/A	W/AC
1969	Chevrolet	Caprice		6.5L	V8	N/A	W/AC
1969	Chevrolet	Caprice		7.0L	V8	N/A	W/AC
1969	Chevrolet	Caprice		5.0L	V8	N/A	W/AC
1969	Chevrolet	Caprice		5.3L	V8	N/A	W/AC
1969	Chevrolet	El Camino		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	El Camino		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	El Camino		3.8L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	El Camino		5.0L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	El Camino		6.5L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Chevrolet	Impala		5.7L	V8	N/A	W/AC
1969	Chevrolet	Impala		5.4L	V8	N/A	W/AC
1969	Chevrolet	Impala		4.1L	L6	N/A	W/AC
1969	Chevrolet	Impala		6.5L	V8	N/A	W/AC
1969	Chevrolet	Impala		7.0L	V8	N/A	W/AC
1969	Chevrolet	Impala		5.0L	V8	N/A	W/AC
1969	Chevrolet	Impala		5.3L	V8	N/A	W/AC
1969	Oldsmobile	Cutlass		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Oldsmobile	Cutlass		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	Catalina		6.6L	V8	N/A	w/ AC; Late
1969	Pontiac	Grand Prix		6.6L	V8	N/A	With AC, Standard Output Heater
1969	Pontiac	Grand Prix		7.0L	V8	N/A	With AC, Standard Output Heater
1969	Pontiac	GTO		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	LeMans		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	LeMans		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	LeMans		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	Tempest		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	Tempest		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1969	Pontiac	Tempest		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Buick	Skylark		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Buick	Skylark		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Buick	Skylark		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1968	Oldsmobile	Cutlass		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Oldsmobile	Cutlass		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Oldsmobile	Cutlass		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	GTO		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	LeMans		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	LeMans		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	LeMans		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	Tempest		4.1L	L6	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	Tempest		5.7L	V8	N/A	Compatible with vehicles with air conditioning systems.
1968	Pontiac	Tempest		6.6L	V8	N/A	Compatible with vehicles with air conditioning systems.

* 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:

39822694535

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