Four Seasons 2078R A/C Compressor Kit - Front and Rear

Four Seasons PAC-Kit w/ Reman Compressor 2078R

Four Seasons 2078R is an A/C compressor kit for vehicles equipped with the TRSA12B compressor. This PAC-Kit w/ Reman Compressor supports front and rear HVAC applications for select Chevrolet, GMC, Saab, and Isuzu models from 2003-2009.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor for A/C service
• Built for TRSA12B compressor applications
• Fits front and rear HVAC configurations
• Application-specific coverage for Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, and related models
• Part number 2078R for direct catalog matching

Application Details

This Four Seasons 2078R kit is used on select Chevrolet Trailblazer and Trailblazer EXT, GMC Envoy, Envoy XL, and Envoy XUV, plus Saab 9-7x and Isuzu Ascender models. It is listed for vehicles with the TRSA12B compressor and front and rear HVAC positioning, making it a direct-fit service part for the specified applications.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

• Loss of cabin cooling performance
• Compressor noise or compressor failure
• Inconsistent A/C operation in TRSA12B-equipped systems
• Service needs on front and rear HVAC systems
• Replacement needs for select Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x A/C systems

Installation Notes

Verify the vehicle’s compressor type, model year, and HVAC configuration before installation. Confirm TRSA12B application details against the vehicle identification and existing A/C system components. Follow standard A/C service procedures, including proper evacuation, flushing, and oil handling as required by the system.

Quality Assurance

Four Seasons is a recognized aftermarket brand for climate control components, and this PAC-Kit is cataloged for specific vehicle applications to support accurate part selection. Part number 2078R should be matched to the listed fitment before purchase.