HomeHVAC > Motors, Core, Case and Related ComponentsSpectra 94608 HVAC Heater Core
Part #: 94608

Spectra 94608 HVAC Heater Core

64 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet, GMC, and Oldsmobile, Bravada, Jimmy, S10, S10 Blazer, S15, S15 Jimmy, and Sonoma
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Spectra 94608 HVAC Heater Core

The Spectra 94608 HVAC heater core is a direct-fit replacement for select Chevrolet, GMC, and Oldsmobile trucks and SUVs equipped with air conditioning. Built for the 1982-1994 application range, it supports dependable cabin heat and OE-style fitment for service repairs on aging HVAC systems.

Key Features

  • HVAC heater core for select GM applications
  • Fits 1982-1994 Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy, GMC Sonoma, GMC Jimmy, and Oldsmobile Bravada with air conditioning
  • Engineered to meet or exceed original equipment performance targets
  • Manufactured with quality control processes focused on fit and function
  • Part number 94608 for easy catalog matching and service lookup

Detailed Description

Spectra Premium heater cores are built using engineering and manufacturing methods intended to deliver OE-level thermal performance and consistent replacement fit. This Spectra 94608 heater core is a practical choice for restoring heat output in vehicles such as the Chevrolet S10, Chevrolet S10 Blazer, GMC S15, GMC S15 Jimmy, GMC Sonoma, GMC Jimmy, and Oldsmobile Bravada equipped with air conditioning. This part cross-references Four Seasons 98608 for the same application.

What It Helps Fix

  • Weak or uneven cabin heat
  • Coolant odor inside the vehicle
  • Fogging or film on the windshield caused by heater core leakage
  • Coolant loss traced to the HVAC system
  • Reduced defrost performance in cold weather

Installation Notes and Tips

Verify vehicle year, make, model, and air conditioning equipment before ordering. On these GM platforms, heater core replacement often requires access through the HVAC case, so compare the original unit and inspect related hoses, seals, and clamps during service. Confirm the part number 94608 against the existing core and vehicle build details before installation.

Quality Assurance

Spectra Premium states that its HVAC heater cores are produced with engineering, manufacturing technology, and quality control processes aimed at meeting or exceeding original equipment performance.

This part fits 64 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
1994ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1994GMCJimmyN/ACompatible with vehicles equipped with air conditioning.
1994OldsmobileBravadaN/ACompatible with vehicles equipped with air conditioning.
1993ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1993ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1993GMCJimmyN/ACompatible with vehicles equipped with air conditioning.
1993GMCSonomaN/ACompatible with vehicles equipped with air conditioning.
1993OldsmobileBravadaN/ACompatible with vehicles equipped with air conditioning.
1992ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1992ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1992GMCJimmyN/ACompatible with vehicles equipped with air conditioning.
1992GMCSonomaN/ACompatible with vehicles equipped with air conditioning.
1992OldsmobileBravadaN/ACompatible with vehicles equipped with air conditioning.
1991ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1991ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1991GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1991GMCSonomaN/ACompatible with vehicles equipped with air conditioning.
1991OldsmobileBravadaN/ACompatible with vehicles equipped with air conditioning.
1990ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1990ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1990GMCS15N/ACompatible with vehicles equipped with air conditioning.
1990GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1989ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1989ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1989GMCS15N/ACompatible with vehicles equipped with air conditioning.
1989GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1988ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1988ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1988GMCS15N/ACompatible with vehicles equipped with air conditioning.
1988GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1987ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1987ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1987GMCS15N/ACompatible with vehicles equipped with air conditioning.
1987GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1986ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1986ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1986GMCS15N/ACompatible with vehicles equipped with air conditioning.
1986GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1985ChevroletS102.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1985ChevroletS102.5LL4GASN/ACompatible with vehicles equipped with air conditioning.
1985ChevroletS101.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1985ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1985GMCS152.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1985GMCS152.5LL4GASN/ACompatible with vehicles equipped with air conditioning.
1985GMCS151.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1985GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS102.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS102.0LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS101.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS10 Blazer2.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS10 Blazer2.0LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984ChevroletS10 Blazer1.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984GMCS152.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1984GMCS152.0LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984GMCS151.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1984GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1983ChevroletS102.8LV6GASN/ACompatible with vehicles equipped with air conditioning.
1983ChevroletS102.0LL4GASN/ACompatible with vehicles equipped with air conditioning.
1983ChevroletS101.9LL4GASN/ACompatible with vehicles equipped with air conditioning.
1983ChevroletS10 BlazerN/ACompatible with vehicles equipped with air conditioning.
1983GMCS15N/ACompatible with vehicles equipped with air conditioning.
1983GMCS15 JimmyN/ACompatible with vehicles equipped with air conditioning.
1982ChevroletS10N/ACompatible with vehicles equipped with air conditioning.
1982GMCS15N/ACompatible with vehicles equipped with air conditioning.

* 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:

104815600361811356191319862452279151305014232683982215247987860036614066032687024528221901017090521938551946089601698608HT8221HT8221CHTR010252REA1811356

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