One Stop Solutions 98559 HVAC Heater Core - Rear
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One Stop Solutions

One Stop Solutions 98559 HVAC Heater Core - Rear

Brand One Stop Solutions 98559
Position Rear
Fits Chevrolet and GMC · 142 vehicles

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

Aluminum construction. Premium-grade material for added longevity.

Pressure tested. Individually tested for cycle, vibration, burst, and environmental durability.

Cross-references Dorman - HELP 94559 and 399067 for the same application. See all 2.

$56.84Free shipping
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OE-Style Heater Core Replacement

Restore cabin heat with this One Stop Solutions HVAC heater core, part number 98559. It is built as a direct replacement for OE-style fit and function, with fitment for classic Chevrolet and GMC truck applications including Chevrolet C10 Suburban, C20 Suburban, K10 Suburban, K20 Suburban, Blazer, and GMC Jimmy.

Designed for vehicles from 1968-1975, this heater core uses premium aluminum construction and is engineered to address common failure points found in older heating systems.

Key Features

  • Drop-in fit, form, and function for OE-style replacement
  • Premium grade aluminum construction for added durability
  • Cadmium-plated tubes inside and out to resist premature failure
  • Individually pressure tested for leak verification
  • Includes foam and related accessories needed for installation
  • Built to help extend service life in high-mileage vehicles

Detailed Description

One Stop Solutions 98559 is an HVAC heater core engineered for direct replacement in classic Chevrolet and GMC platforms. It is made from aluminum rather than copper and is designed to match original equipment form and function while improving resistance to corrosion and wear. This heater core is a practical choice for restoring heat output in a Chevrolet Blazer, Chevrolet C10 Suburban, or GMC Jimmy with the correct non-A/C application.

This part cross-references Dorman - HELP 94559 for the same application.

What It Helps Solve

  • Loss of cabin heat from a leaking or restricted heater core
  • Coolant odor or moisture inside the passenger compartment
  • Poor heater performance caused by internal blockage or corrosion
  • Repeat failures in older high-mileage heating systems
  • Fitment issues when replacing an OE-style copper heater core with an aluminum unit

Installation Notes

Compatible With 1968-1972 Chevrolet C10 Suburban, N/A; 1969-1972 Chevrolet Blazer, N/A; 1969-1972 Chevrolet C20 Suburban, N/A; 1969-1972 Chevrolet K10 Suburban, N/A; 1969-1972 Chevrolet K20 Suburban, N/A; 1970-1972 GMC Jimmy, N/A; 1973-1975 Chevrolet C10 Suburban, Rear; 1973-1975 Chevrolet C20 Suburban, Rear; 1973-1975 Chevrolet K10 Suburban, Rear; 1973-1975 Chevrolet K20 Suburban, Rear. Verify vehicle configuration and heater box style before installation, especially on w/o AC applications. Use the included foam and accessories to help maintain proper sealing and airflow through the HVAC case.

Quality Assurance

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

Related reading

This part fits 142 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1975ChevroletC10 Suburban5.7LV8Rear—
1975ChevroletC10 Suburban4.1LL6Rear—
1975ChevroletC10 Suburban7.4LV8Rear—
1975ChevroletC20 Suburban5.7LV8Rear—
1975ChevroletC20 Suburban7.4LV8Rear—
1975ChevroletC20 Suburban4.8LL6Rear—
1975ChevroletK10 Suburban6.6LV8Rear—
1975ChevroletK10 Suburban5.7LV8Rear—
1975ChevroletK10 Suburban4.1LL6Rear—
1975ChevroletK20 Suburban6.6LV8Rear—
1975ChevroletK20 Suburban5.7LV8Rear—
1975ChevroletK20 Suburban4.8LL6Rear—
1974ChevroletC10 Suburban5.7LV8Rear—
1974ChevroletC10 Suburban4.1LL6Rear—
1974ChevroletC10 Suburban7.4LV8Rear—
1974ChevroletC10 Suburban4.8LL6Rear—
1974ChevroletC20 Suburban5.7LV8Rear—
1974ChevroletC20 Suburban7.4LV8Rear—
1974ChevroletC20 Suburban4.8LL6Rear—
1974ChevroletC20 Suburban4.1LL6Rear—
1974ChevroletK10 Suburban5.7LV8Rear—
1974ChevroletK10 Suburban4.1LL6Rear—
1974ChevroletK20 Suburban5.7LV8Rear—
1974ChevroletK20 Suburban4.1LL6Rear—
1974ChevroletK20 Suburban4.8LL6Rear—
1973ChevroletC10 Suburban5.7LV8Rear—
1973ChevroletC10 Suburban4.1LL6Rear—
1973ChevroletC10 Suburban5.0LV8Rear—
1973ChevroletC10 Suburban7.4LV8Rear—
1973ChevroletC10 Suburban4.8LL6Rear—
1973ChevroletC20 Suburban5.7LV8Rear—
1973ChevroletC20 Suburban5.0LV8Rear—
1973ChevroletC20 Suburban7.4LV8Rear—
1973ChevroletC20 Suburban4.8LL6Rear—
1973ChevroletC20 Suburban4.1LL6Rear—
1973ChevroletK10 Suburban5.7LV8Rear—
1973ChevroletK10 Suburban4.1LL6Rear—
1973ChevroletK10 Suburban5.0LV8Rear—
1973ChevroletK20 Suburban5.7LV8Rear—
1973ChevroletK20 Suburban4.1LL6Rear—
1973ChevroletK20 Suburban5.0LV8Rear—
1973ChevroletK20 Suburban7.4LV8Rear—
1973ChevroletK20 Suburban4.8LL6Rear—
1972ChevroletBlazer5.7LV8N/Aw/o AC
1972ChevroletBlazer4.1LL6N/Aw/o AC
1972ChevroletBlazer5.0LV8N/Aw/o AC
1972ChevroletC10 Suburban5.7LV8N/Aw/o AC
1972ChevroletC10 Suburban4.1LL6N/Aw/o AC
1972ChevroletC10 Suburban5.0LV8N/Aw/o AC
1972ChevroletC10 Suburban6.6LV8N/Aw/o AC
1972ChevroletC20 Suburban5.7LV8N/Aw/o AC
1972ChevroletC20 Suburban4.1LL6N/Aw/o AC
1972ChevroletC20 Suburban5.0LV8N/Aw/o AC
1972ChevroletC20 Suburban4.8LL6N/Aw/o AC
1972ChevroletC20 Suburban6.6LV8N/Aw/o AC
1972ChevroletK10 Suburban5.7LV8N/Aw/o AC
1972ChevroletK10 Suburban5.0LV8N/Aw/o AC
1972ChevroletK10 Suburban4.1LL6N/Aw/o AC
1972ChevroletK10 Suburban6.6LV8N/Aw/o AC
1972ChevroletK20 Suburban5.7LV8N/Aw/o AC
1972ChevroletK20 Suburban4.1LL6N/Aw/o AC
1972ChevroletK20 Suburban5.0LV8N/Aw/o AC
1972ChevroletK20 Suburban4.8LL6N/Aw/o AC
1972GMCJimmy5.7LV8N/Aw/o AC
1972GMCJimmy4.1LL6N/Aw/o AC
1972GMCJimmy5.0LV8N/Aw/o AC
1971ChevroletBlazer5.7LV8N/Aw/o AC
1971ChevroletBlazer4.1LL6N/Aw/o AC
1971ChevroletBlazer5.0LV8N/Aw/o AC
1971ChevroletC10 Suburban5.7LV8N/Aw/o AC
1971ChevroletC10 Suburban5.0LV8N/Aw/o AC
1971ChevroletC10 Suburban4.8LL6N/Aw/o AC
1971ChevroletC10 Suburban4.1LL6N/Aw/o AC
1971ChevroletC10 Suburban6.6LV8N/Aw/o AC
1971ChevroletC20 Suburban5.7LV8N/Aw/o AC
1971ChevroletC20 Suburban5.0LV8N/Aw/o AC
1971ChevroletC20 Suburban4.8LL6N/Aw/o AC
1971ChevroletC20 Suburban4.1LL6N/Aw/o AC
1971ChevroletC20 Suburban6.6LV8N/Aw/o AC
1971ChevroletK10 Suburban5.7LV8N/Aw/o AC
1971ChevroletK10 Suburban5.0LV8N/Aw/o AC
1971ChevroletK10 Suburban4.1LL6N/Aw/o AC
1971ChevroletK10 Suburban6.6LV8N/Aw/o AC
1971ChevroletK20 Suburban5.7LV8N/Aw/o AC
1971ChevroletK20 Suburban4.1LL6N/Aw/o AC
1971ChevroletK20 Suburban5.0LV8N/Aw/o AC
1971ChevroletK20 Suburban4.8LL6N/Aw/o AC
1971GMCJimmy5.7LV8N/Aw/o AC
1971GMCJimmy4.1LL6N/Aw/o AC
1971GMCJimmy5.0LV8N/Aw/o AC
1970ChevroletBlazer5.7LV8N/Aw/o AC
1970ChevroletBlazer5.0LV8N/Aw/o AC
1970ChevroletBlazer4.8LL6N/Aw/o AC
1970ChevroletBlazer4.1LL6N/Aw/o AC
1970ChevroletC10 Suburban5.7LV8N/Aw/o AC
1970ChevroletC10 Suburban5.0LV8N/Aw/o AC
1970ChevroletC10 Suburban4.8LL6N/Aw/o AC
1970ChevroletC10 Suburban4.1LL6N/Aw/o AC
1970ChevroletC10 Suburban6.6LV8N/Aw/o AC
1970ChevroletC20 Suburban5.7LV8N/Aw/o AC
1970ChevroletC20 Suburban5.0LV8N/Aw/o AC
1970ChevroletC20 Suburban4.8LL6N/Aw/o AC
1970ChevroletC20 Suburban4.1LL6N/Aw/o AC
1970ChevroletC20 Suburban6.6LV8N/Aw/o AC
1970ChevroletK10 Suburban5.7LV8N/Aw/o AC
1970ChevroletK10 Suburban5.0LV8N/Aw/o AC
1970ChevroletK10 Suburban4.1LL6N/Aw/o AC
1970ChevroletK10 Suburban6.6LV8N/Aw/o AC
1970ChevroletK20 Suburban5.7LV8N/Aw/o AC
1970ChevroletK20 Suburban5.0LV8N/Aw/o AC
1970ChevroletK20 Suburban4.8LL6N/Aw/o AC
1970ChevroletK20 Suburban4.1LL6N/Aw/o AC
1970GMCJimmy5.7LV8N/Aw/o AC
1970GMCJimmy4.1LL6N/Aw/o AC
1970GMCJimmy5.0LV8N/Aw/o AC
1969ChevroletBlazer5.7LV8N/Aw/o AC
1969ChevroletBlazer5.0LV8N/Aw/o AC
1969ChevroletBlazer4.1LL6N/Aw/o AC
1969ChevroletC10 Suburban5.7LV8N/Aw/o AC
1969ChevroletC10 Suburban5.0LV8N/Aw/o AC
1969ChevroletC10 Suburban6.5LV8N/Aw/o AC
1969ChevroletC10 Suburban4.8LL6N/Aw/o AC
1969ChevroletC10 Suburban4.1LL6N/Aw/o AC
1969ChevroletC20 Suburban5.7LV8N/Aw/o AC
1969ChevroletC20 Suburban5.0LV8N/Aw/o AC
1969ChevroletC20 Suburban6.5LV8N/Aw/o AC
1969ChevroletC20 Suburban4.8LL6N/Aw/o AC
1969ChevroletC20 Suburban4.1LL6N/Aw/o AC
1969ChevroletK10 Suburban5.7LV8N/Aw/o AC
1969ChevroletK10 Suburban5.0LV8N/Aw/o AC
1969ChevroletK10 Suburban6.5LV8N/Aw/o AC
1969ChevroletK10 Suburban4.1LL6N/Aw/o AC
1969ChevroletK20 Suburban5.7LV8N/Aw/o AC
1969ChevroletK20 Suburban5.0LV8N/Aw/o AC
1969ChevroletK20 Suburban4.8LL6N/Aw/o AC
1969ChevroletK20 Suburban4.1LL6N/Aw/o AC
1968ChevroletC10 Suburban5.4LV8N/Aw/o AC
1968ChevroletC10 Suburban5.0LV8N/Aw/o AC
1968ChevroletC10 Suburban6.5LV8N/Aw/o AC
1968ChevroletC10 Suburban4.8LL6N/Aw/o AC
1968ChevroletC10 Suburban4.1LL6N/Aw/o AC
1968ChevroletC10 Suburban5.3LV8N/Aw/o AC
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 94559399067