Four Seasons 2475R A/C Compressor Kit

Four Seasons PAC-Kit w/ Reman Compressor 2475R

The Four Seasons PAC-Kit w/ Reman Compressor 2475R is an A/C compressor kit for select 1990 Chevrolet C/K and GMC C/K trucks with an R4/LTR4 compressor setup and condenser mounting orifice tube. It brings together the core air conditioning service components needed for a proper repair on Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500 applications, as well as matching GMC C1500, C2500, C3500, K1500, K2500, and K3500 fitments.

Key Features

• Four Seasons PAC-Kit w/ Reman Compressor for A/C system service
• Includes a remanufactured compressor for select R4/LTR4 applications
• Fits 1990 Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500 configurations listed in the fitment data
• Fits 1990 GMC C1500, C2500, C3500, K1500, K2500, and K3500 configurations listed in the fitment data
• Application notes include condenser mounting orifice tube and, on some listings, condenser without inertia ring
• Part number 2475R for catalog and search accuracy

Product Details

Four Seasons 2475R is built as a PAC-Kit w/ Reman Compressor for 1990 Chevrolet and GMC truck platforms that use the R4/LTR4 compressor family. The fitment data identifies direct applications for Chevrolet C1500, C2500, C3500, K1500, K2500, and K3500, plus GMC C1500, C2500, C3500, K1500, K2500, and K3500. This part number is also referenced as 2475R in search and catalog lookup, making it easier to match the correct A/C compressor kit for the vehicle configuration.

This part cross-references 57237 and 33133 for the same application.

What It Helps Fix

• Loss of cabin cooling from a worn or failed A/C compressor
• Contaminated A/C system components after compressor failure
• Poor refrigerant flow in R4/LTR4 compressor applications
• System performance issues tied to a failing accumulator or orifice tube
• Service repeat failures when the system is not flushed during repair

Installation Notes

Verify the vehicle uses the listed R4/LTR4 compressor configuration before ordering. Match the condenser mounting orifice tube notes shown for your Chevrolet C1500, C2500, C3500, K1500, K2500, K3500 or GMC C1500, C2500, C3500, K1500, K2500, K3500 application. Follow standard A/C service procedures, including system evacuation, flushing where required, and correct oil handling for the replacement components.

Quality Assurance

Four Seasons supplies aftermarket HVAC service parts for automotive A/C repair, and this kit is cataloged for the specific 1990 Chevrolet and GMC truck applications listed above. Part number 2475R is organized for direct fitment lookup and application matching.