Spectra 1054478 A/C Evaporator Core - Front

Spectra 1054478 A/C Evaporator Core

The Spectra 1054478 A/C evaporator core is a direct replacement for front HVAC systems in select Chevrolet and GMC trucks and SUVs. It is built to meet or exceed original equipment performance standards for dependable cabin cooling.

Key Features

• Front A/C evaporator core for HVAC service and repair
• OE-style replacement for select Chevrolet Blazer, C/K-Series, Suburban, and GMC C/K-Series applications
• Engineered with manufacturing controls to support consistent fit and performance
• Cross-references AMS Automotive 6678 and Four Seasons 6678N for the same application
• Part number 1054478 for catalog and fitment lookup

Detailed Description

Spectra Premium A/C evaporator cores are manufactured with engineering and quality control processes intended to match original equipment performance in the HVAC system. This evaporator core is used in front-mounted applications on 1991-1993 Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500 models, plus 1992-1993 Chevrolet Blazer, C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and 1991-1993 GMC C1500, C2500, C3500, K1500, K2500, K3500, along with 1992-1993 GMC C1500 Suburban, C2500 Suburban, K1500 Suburban, K2500 Suburban, and Yukon. If you are searching for a front A/C evaporator core for a 1991-1993 Chevrolet C1500 or a 1992-1993 GMC Yukon, Spectra 1054478 is the cataloged replacement.

What It Helps Address

• Weak or inconsistent cabin cooling
• Refrigerant leakage from a worn evaporator core
• HVAC performance loss caused by internal corrosion or blockage
• Air conditioning service needs on aging Chevrolet and GMC front HVAC systems

Installation Notes and Tips

Verify the vehicle’s year, make, model, and front HVAC configuration before ordering. Replace related seals and inspect the expansion valve, lines, and blower-side components during service to help confirm the repair. Proper evacuation, leak checking, and recharge procedures are required after installation.

Quality Assurance

Spectra Premium states that its engineering, manufacturing technology, and quality control processes are used to produce evaporator cores that meet or exceed the performance of the original equipment they replace.