OE Quality
60-Day Returns

Universal Air KT5603 A/C Compressor and Component Kit
Reliable A/C Compressor Kit for Mercedes-Benz GL and ML Models
The Universal Air Compressor Replacement Kit KT5603 is designed specifically for Mercedes-Benz GL320, GL450, GL550, and ML350 models. This A/C compressor kit provides a dependable solution for restoring your vehicle's air conditioning system performance.
- Compatible with Mercedes-Benz GL320, GL450, GL550, and ML350
- Includes all necessary components for compressor replacement
- Part number KT5603 ensures precise fitment and function
- Designed for HVAC A/C clutch and compressor systems
- Manufactured by Universal Air, a recognized brand in automotive HVAC parts
About the Universal Air Compressor Replacement Kit
The Compressor Replacement Kit from Universal Air is a dedicated product line focused on providing comprehensive solutions for A/C compressor repairs. This kit includes essential components to replace worn or damaged compressors, helping to maintain the efficiency and reliability of your vehicle’s air conditioning system. The KT5603 kit is engineered to meet the specific requirements of Mercedes-Benz GL and ML series vehicles, ensuring compatibility and ease of installation.
Product Details and Compatibility
This A/C compressor kit is tailored for Mercedes-Benz GL320, GL450, GL550, and ML350 models, addressing the unique HVAC system needs of these vehicles. The part number KT5603 corresponds to a complete compressor replacement solution, designed to integrate seamlessly with the factory system. Using this kit helps restore proper A/C clutch engagement and compressor operation, which are critical for effective climate control.
Common Issues Addressed by the KT5603 Compressor Kit
- Loss of air conditioning cooling performance
- Unusual noises from the A/C compressor
- Failure of the A/C clutch to engage
- Refrigerant leaks or compressor seal failures
- Intermittent or no compressor operation
Installation Notes and Tips
Installation of the Universal Air KT5603 Compressor Replacement Kit should be performed by a qualified technician familiar with Mercedes-Benz HVAC systems. Proper evacuation and recharging of the refrigerant system are essential after installation. Verify all electrical connections and clutch operation before completing the job. Using OEM-equivalent tools and following manufacturer torque specifications will help ensure a secure and lasting fit.
Quality Assurance and Warranty
Universal Air provides this Compressor Replacement Kit with quality standards aligned to automotive HVAC requirements. While specific warranty details are not provided here, Universal Air products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or manufacturer documentation for exact warranty terms.
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2011 | Mercedes-Benz | ML350 | Sport AMG | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2011 | Mercedes-Benz | ML350 | 4Matic | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2011 | Mercedes-Benz | ML350 | Base | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2010 | Mercedes-Benz | ML350 | Base | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2010 | Mercedes-Benz | ML350 | Sport | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2010 | Mercedes-Benz | ML350 | 4Matic | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2010 | Mercedes-Benz | ML350 | Sport AMG | 3.5L | V6 | GAS | N/A | Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
| 2009 | Mercedes-Benz | GL320 | N/A | without Rear A/C; Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit | ||||
| 2008 | Mercedes-Benz | GL450 | N/A | without Rear A/C; Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit | ||||
| 2008 | Mercedes-Benz | GL550 | N/A | without Rear A/C; Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit | ||||
| 2007 | Mercedes-Benz | GL450 | N/A | without Rear A/C; Complete Kit Includes #(s) CO 10807JC,EX 9724C,RD 10937C,RO 0900B,RS 2630; Compressor Replacement Kit |
* 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.