Universal Air AK1845 A/C System Repair Kit
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Universal Air
 Ancillary Kit

Universal Air AK1845 A/C System Repair Kit

Brand Universal Air AK1845
Product line Ancillary Kit
Fits GMC · 1 vehicle

A/C system repair kit. For servicing and restoring air conditioning system function.

Ancillary kit. Includes supporting components for A/C service work.

$66.65Free shipping
In stock · usually ships same day before 1pm CST
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Universal Air AK1845 Ancillary A/C Repair Kit

Universal Air AK1845 is an ancillary A/C system repair kit for the 2004 GMC Sierra 2500 HD. It is built for service work on the vehicle’s air conditioning system and is identified for the complete kit application listed below.

Key Features

  • Brand: Universal Air
  • Brand line: Ancillary Kit
  • Part number: AK1845
  • Part type: A/C System Repair Kit
  • Fits 2004 GMC Sierra 2500 HD, N/A
  • Complete kit includes EX 5378C, RD 11108C, and RS 2550

Product Details

AK1845 is an ancillary kit from Universal Air for A/C service on the 2004 GMC Sierra 2500 HD. The kit is listed as a complete application and references EX 5378C, RD 11108C, and RS 2550 in the fitment notes. For buyers searching for a 2004 GMC Sierra 2500 HD A/C system repair kit or Universal Air AK1845 ancillary kit, this part number matches the vehicle application shown in the catalog data.

The Ancillary Kit product line groups related A/C service components for targeted repair work. AK1845 is cataloged for one confirmed vehicle application, making it a direct-reference option for the listed 2004 GMC Sierra 2500 HD service need.

Common Issues Addressed

  • Air conditioning system service after component wear
  • Repair work tied to listed A/C service part references
  • Replacement needs for the confirmed 2004 GMC Sierra 2500 HD application
  • Restoration of A/C system function during maintenance or repair

Installation Notes and Tips

Verify the vehicle as a 2004 GMC Sierra 2500 HD before ordering. Match the part number AK1845 and confirm the referenced kit components against the existing A/C service setup. Because the fitment notes list N/A for position, use the catalog application and service documentation to confirm the correct installation point on the vehicle.

Quality Assurance

Universal Air catalogs AK1845 as an Ancillary Kit for the specified application. Review the vehicle fitment and referenced component numbers before installation to ensure the part matches the required A/C service repair.

Related reading

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2004GMCSierra 2500 HD6.6LV8DIESELN/AComplete Kit Includes #(s) EX 5378C,RD 11108C,RS 2550; Ancillary Kit