Universal Air AK1312 A/C System Repair Kit

Universal Air AK1312 Ancillary Kit

Universal Air AK1312 is an A/C system repair kit for select 2003 Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 applications. It is built for service work where the existing air conditioning system needs application-specific ancillary components matched to the vehicle.

Key Features

• Ancillary kit for A/C system repair service
• Fits 2003 Chevrolet Silverado 2500 HD and Silverado 3500
• Fits 2003 GMC Sierra 2500 HD and Sierra 3500
• Complete kit includes EX 5378C, RD 10074C, and RS 2550
• P-nut fitting orientation at 1 o’clock
• Universal Air part number AK1312

Application Details

AK1312 is intended for A/C service on 2003 Chevrolet Silverado 2500 HD, 2003 Chevrolet Silverado 3500, 2003 GMC Sierra 2500 HD, and 2003 GMC Sierra 3500 models. The kit is identified as an ancillary kit and includes the listed component references for the specified application. If you are sourcing an A/C system repair kit for a 2003 Silverado or Sierra heavy-duty truck, AK1312 provides the correct fitment-specific configuration.

Common Repair Uses

• Replacing worn or damaged A/C ancillary components
• Restoring proper A/C service fitment on heavy-duty GM trucks
• Addressing leaks or connection issues at the specified fitting orientation
• Supporting repair work on a 2003 Chevrolet Silverado or GMC Sierra A/C system

Installation Notes

Verify the vehicle year, make, and model before installation. Confirm the P-nut fitting position at 1 o’clock matches the existing A/C service connection on the truck. Compare the included component references against the original system layout before assembly.

Quality Assurance

Universal Air identifies AK1312 as an ancillary kit for A/C system repair applications. Use the part number AK1312 and the vehicle fitment details to confirm the correct match for your service job.