Universal Air
Heater Core Aluminum

Universal Air HT8221C HVAC Heater Core

Brand Universal Air HT8221C
Product line Heater Core Aluminum
Fits Chevrolet and GMC · 100 vehicles

Aluminum construction. Helps promote efficient heat transfer in the heater core.

Heater core. A core component of the HVAC system for cabin heat.

$84.02Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $84.02
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Heater Core for Classic GM Compact Trucks

Universal Air HT8221C is an aluminum HVAC heater core for vehicles equipped with air conditioning. It is built for direct-fit replacement service on select Chevrolet S10 Blazer, Chevrolet S10, GMC Jimmy, GMC S15 Jimmy, GMC Sonoma, and GMC S15 applications.

  • Aluminum heater core construction
  • Fits HVAC systems with air conditioning
  • Direct replacement for select GM compact truck and SUV platforms
  • Part number: HT8221C

Fitment Details

  • Fits 1983-1994 Chevrolet S10 Blazer, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
  • Fits 1992-1994 GMC Jimmy, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
  • Fits 1982-1993 Chevrolet S10, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
  • Fits 1991-1993 GMC Sonoma, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
  • Fits 1983-1991 GMC S15 Jimmy, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
  • Fits 1982-1990 GMC S15, N/A; HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum

What It Helps Address

  • Loss of cabin heat
  • Coolant odor inside the vehicle
  • Moisture or fogging from heater core leakage
  • Restricted heater performance in the HVAC system

Installation Notes

Verify vehicle year, make, model, and air-conditioning-equipped HVAC configuration before ordering. HT8221C is intended for replacement in the heater core location within the HVAC case, so access typically requires disassembly of interior HVAC components. Confirm hose routing and system condition during service.

Quality Assurance

Universal Air Heater Core Aluminum HT8221C is cataloged as a replacement HVAC heater core for the listed GM applications.

This part fits 100 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
1994ChevroletS10 BlazerBase4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1994ChevroletS10 BlazerLT4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1994ChevroletS10 BlazerTahoe LT4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1994ChevroletS10 BlazerTahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1994GMCJimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10Base4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10EL4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10EL2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10Base2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10Base2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10EL2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10 BlazerTahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10 BlazerTahoe LT4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993ChevroletS10 BlazerBase4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993GMCJimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1993GMCSonomaN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Base2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10EL2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Tahoe2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Base4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10EL4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Tahoe2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Base2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10EL2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10Tahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10 BlazerSport4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10 BlazerTahoe LT4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10 BlazerBase4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992ChevroletS10 BlazerTahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992GMCJimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1992GMCSonomaN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Base2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Tahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Tahoe2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Tahoe2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Baja4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Baja2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Baja2.5LL4N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Base4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10Base2.8LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10 BlazerBase4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10 BlazerTahoe4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991ChevroletS10 BlazerTahoe LT4.3LV6N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1991GMCSonomaN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1990ChevroletS10N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1990ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1990GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1990GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1989ChevroletS10N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1989ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1989GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1989GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1988ChevroletS10N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1988ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1988GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1988GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987ChevroletS10BaseN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987ChevroletS10SportN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987ChevroletS10TahoeN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1987GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1986ChevroletS10N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1986ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1986GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1986GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985ChevroletS102.5LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985ChevroletS101.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985ChevroletS102.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985GMCS152.2LL4DIESELN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985GMCS152.5LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985GMCS151.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985GMCS152.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1985GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS101.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS102.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS102.0LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS10 Blazer2.2LL4DIESELN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS10 Blazer1.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS10 Blazer2.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984ChevroletS10 Blazer2.0LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984GMCS152.2LL4DIESELN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984GMCS152.0LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984GMCS151.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984GMCS152.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1984GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983ChevroletS101.9LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983ChevroletS102.8LV6GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983ChevroletS102.0LL4GASN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983ChevroletS10 BlazerN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983GMCS15BaseN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983GMCS15High SierraN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983GMCS15Sierra ClassicN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1983GMCS15 JimmyN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1982ChevroletS10BaseN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1982ChevroletS10DurangoN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1982ChevroletS10SportN/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum
1982GMCS15N/AFitment note: HVAC Heater Core for vehicles equipped with air conditioning; Heater Core Aluminum