Universal Air CK3990 A/C Compressor Kit

Short Compressor Replacement Kit for 1991 Grand Marquis

Universal Air CK3990 is a Short Compressor Replacement Kit for HVAC service on the 1991 Mercury Grand Marquis with dealer installed A/C and a fixed orifice system. It is built for direct-fit compressor replacement work on this specific application, helping restore proper A/C operation in a vehicle that uses the listed components.

Key Features

• Brand: Universal Air
• Brand line: Short Compressor Replacement Kit
• Part number: CK3990
• Application-specific A/C compressor kit for the 1991 Mercury Grand Marquis
• For dealer installed A/C systems with fixed orifice
• Compatible with the listed component set: CO 26010C, EX 3000C, RD 2502C

Product Details

The Universal Air CK3990 short compressor replacement kit is intended for HVAC repair on the 1991 Mercury Grand Marquis. This kit is matched to the vehicle’s dealer installed A/C setup with a fixed orifice configuration, making it a focused solution for compressor-related service on this Mercury Grand Marquis application. If you are sourcing CK3990 for a 1991 Mercury Grand Marquis A/C compressor replacement, this part number identifies the correct kit for the listed fitment.

Common Issues It Can Address

• Loss of A/C compressor function
• Noise from a worn compressor assembly
• Reduced cooling performance in the cabin
• Service needs on a dealer installed A/C system
• Replacement work on a fixed orifice HVAC setup

Installation Notes

Verify the vehicle has dealer installed A/C and a fixed orifice system before ordering. Confirm the existing compressor and related components match the listed application for the 1991 Mercury Grand Marquis. Use standard HVAC service procedures, evacuate and recharge the system correctly, and inspect the rest of the A/C circuit for wear or contamination during installation. CK3990 should be matched to the exact fitment shown here.

Quality Assurance

Universal Air identifies this as a Short Compressor Replacement Kit for the specified application. Fitment is limited to the listed 1991 Mercury Grand Marquis configuration, and CK3990 should be verified against the vehicle’s A/C system details before installation.