OE Quality
60-Day Returns

Nissens 890921 A/C Compressor
Reliable A/C Compressor for Audi A6 Quattro, A7 Quattro, and Q7
The Nissens A/C Compressor 890921 is designed specifically for Audi models including the A6 Quattro, A7 Quattro, and Q7. Engineered to work with R134a refrigerant and pre-filled with PAG 46 oil, this compressor ensures efficient cooling performance and a straightforward installation process.
- Compatible with R134a refrigerant for modern automotive A/C systems
- Pre-filled with PAG 46 refrigerant oil for optimal lubrication
- 6-groove pulley design with a maximum diameter of 4.9212 inches
- Compressor type: 6SAS14C, tailored for Audi HVAC systems
- First fit design for time-saving installation on Audi A6 Quattro, A7 Quattro, and Q7
Technical Details and Features
This Nissens A/C Compressor (part number 890921) features a 6-groove pulley that matches the original equipment specifications, ensuring proper belt alignment and tension. The maximum pulley diameter of approximately 4.92 inches supports smooth operation and reduces wear. The compressor type 6SAS14C is engineered to meet the demands of Audi’s HVAC systems, providing reliable air conditioning performance. Pre-filled with PAG 46 oil, this compressor eliminates the need for additional oil filling during installation, simplifying the replacement process.
Applications and Common Issues Addressed
- Replacement for faulty or worn A/C compressors in Audi A6 Quattro, A7 Quattro, and Q7
- Resolves insufficient cooling or compressor failure due to refrigerant leaks or mechanical wear
- Addresses noisy compressor operation caused by pulley or internal component damage
- Fixes compressor clutch engagement problems affecting air conditioning performance
Installation Notes and Tips
The Nissens 890921 compressor is designed as a first fit replacement, which means it is pre-filled with the correct PAG 46 oil and ready for installation without additional preparation. Ensure the system is properly evacuated and flushed before installing the new compressor to prevent contamination. Verify belt alignment with the 6-groove pulley and check for proper tension to avoid premature wear. Compatible specifically with Audi A6 Quattro, A7 Quattro, and Q7 models, confirm vehicle fitment before installation.
Quality Assurance and Warranty
Nissens manufactures this A/C compressor to meet OEM standards for durability and performance. While specific warranty details are not provided here, Nissens products typically come with manufacturer-backed warranties to ensure reliability. Using part number 890921 guarantees compatibility and quality for your Audi A6 Quattro, A7 Quattro, or Q7 air conditioning system.
| Brand | Nissens |
| Part Number | 890921 |
| Refrigerant Type | R134a |
| Compatible Refrigerant Oil Type | Pag 46 |
| Pulley Groove Quantity | 6 |
| Maximum Pulley Diameter | 4.9212 |
| Universal Or Specific Fit | First fit - a time-saving installation! includes pre-filled pag o |
| Compressor Type | 6sas14c |
| Pre-Filled Oil | Pre-filled pag oil |
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2019 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | N/A | |
| 2019 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | N/A | |
| 2019 | Audi | Q7 | Premium | 3.0L | V6 | GAS | N/A | |
| 2018 | Audi | A6 Quattro | Prestige | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | A6 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | A6 Quattro | Premium | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | A6 Quattro | Sport | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | A7 Quattro | Prestige | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | A7 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2018 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | N/A | |
| 2018 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | N/A | |
| 2018 | Audi | Q7 | Premium | 3.0L | V6 | GAS | N/A | |
| 2017 | Audi | A6 Quattro | Competition | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | A6 Quattro | Prestige | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | A6 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | A7 Quattro | Prestige | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | A7 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | A7 Quattro | Competition | 3.0L | V6 | GAS | N/A | R134A Refrigerant |
| 2017 | Audi | Q7 | Premium Plus | 3.0L | V6 | GAS | N/A | |
| 2017 | Audi | Q7 | Premium | 3.0L | V6 | GAS | N/A | |
| 2017 | Audi | Q7 | Prestige | 3.0L | V6 | GAS | N/A | |
| 2016 | Audi | A6 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | To 11/09/2015 |
| 2016 | Audi | A6 Quattro | Prestige | 3.0L | V6 | GAS | N/A | To 11/09/2015 |
| 2016 | Audi | A6 Quattro | Prestige | 3.0L | V6 | GAS | N/A | From 11/09/2015 |
| 2016 | Audi | A6 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | From 11/09/2015 |
| 2016 | Audi | A7 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | To 11/09/2015 |
| 2016 | Audi | A7 Quattro | Prestige | 3.0L | V6 | GAS | N/A | To 11/09/2015 |
| 2016 | Audi | A7 Quattro | Prestige | 3.0L | V6 | GAS | N/A | From 11/09/2015 |
| 2016 | Audi | A7 Quattro | Premium Plus | 3.0L | V6 | GAS | N/A | From 11/09/2015 |
* 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.