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Global Parts 4813074 A/C Hose Assembly
Global Parts A/C Hose Assembly for GM HVAC Service
Global Parts part number 4813074 is an A/C hose assembly for the HVAC system on select Cadillac, Chevrolet, and Buick vehicles. It is used in the refrigerant circuit where suction, discharge, or liquid line routing is required between major A/C components.
Key Features
- Part number 4813074 for HVAC hose replacement
- Built for A/C hose assembly service in the low-side or high-side refrigerant path, depending on application
- Used on select Cadillac XTS, Chevrolet Impala, Chevrolet Impala Limited, and Buick LaCrosse models
- Cross-references Bosch 66053 for the same application
- Cross-references UAC HA111793C for the same application
Application Details
This Global Parts A/C hose assembly is a direct-fit service part for select GM vehicles. It is used in the refrigerant plumbing that connects the compressor, evaporator, and condenser, helping maintain proper A/C system flow on 2013-2017 Cadillac XTS, 2014-2017 Chevrolet Impala, 2013-2016 Buick LaCrosse, and 2014-2016 Chevrolet Impala Limited Flex models. Search terms such as 2013-2017 Cadillac XTS A/C hose assembly, 2014-2017 Chevrolet Impala HVAC hose, and 2013-2016 Buick LaCrosse refrigerant hose all point to this application. Part number 4813074 is also a useful reference when matching replacement hoses by OE-style interchange.
What It Helps Fix
- Refrigerant leaks caused by a damaged hose or pipe
- Loss of A/C performance from restricted refrigerant flow
- Cracked, corroded, or worn hose connections in the HVAC circuit
- Improper compressor-to-condenser or compressor-to-evaporator routing on the listed vehicles
- Service replacement needs for GM A/C hose assemblies
Installation Notes and Tips
Verify the vehicle year, make, model, and configuration before ordering. This listing includes 2013-2017 Cadillac XTS except Hearse or Limo, 2014-2017 Chevrolet Impala, 2013-2016 Buick LaCrosse, and 2014-2016 Chevrolet Impala Limited Flex. Inspect mating seals, O-rings, and adjacent A/C components for wear or contamination before installation, and evacuate and recharge the system according to factory service procedures after replacement.
Quality Assurance
Global Parts supplies HVAC service components for automotive repair applications. This part number 4813074 is listed with OE-style interchange references to support accurate parts matching for the specified GM vehicles.
This part fits 16 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Cadillac | XTS | 3.6L | V6 | N/A | Except Hearse or Limo |
| 2017 | Chevrolet | Impala | 3.6L | V6 | N/A | |
| 2016 | Buick | LaCrosse | 3.6L | V6 | N/A | |
| 2016 | Cadillac | XTS | 3.6L | V6 | N/A | Except Hearse or Limo |
| 2016 | Chevrolet | Impala | 3.6L | V6 | N/A | |
| 2016 | Chevrolet | Impala Limited | 3.6L | V6 | N/A | Flex |
| 2015 | Buick | LaCrosse | 3.6L | V6 | N/A | |
| 2015 | Cadillac | XTS | 3.6L | V6 | N/A | Except Hearse or Limo |
| 2015 | Chevrolet | Impala | 3.6L | V6 | N/A | |
| 2015 | Chevrolet | Impala Limited | 3.6L | V6 | N/A | Flex |
| 2014 | Buick | LaCrosse | 3.6L | V6 | N/A | |
| 2014 | Cadillac | XTS | 3.6L | V6 | N/A | Except Hearse or Limo |
| 2014 | Chevrolet | Impala | 3.6L | V6 | N/A | |
| 2014 | Chevrolet | Impala Limited | 3.6L | V6 | N/A | Flex |
| 2013 | Buick | LaCrosse | 3.6L | V6 | N/A | |
| 2013 | Cadillac | XTS | 3.6L | V6 | N/A | Except Hearse or Limo |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.