HomeHVAC > A/C Clutch and CompressorNissens 890921 A/C Compressor
Part #: 890921

Nissens 890921 A/C Compressor

⚙️ 29 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Audi, A6 Quattro, A7 Quattro, and Q7
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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.

BrandNissens
Part Number890921
Refrigerant TypeR134a
Compatible Refrigerant Oil TypePag 46
Pulley Groove Quantity6
Maximum Pulley Diameter4.9212
Universal Or Specific FitFirst fit - a time-saving installation! includes pre-filled pag o
Compressor Type6sas14c
Pre-Filled OilPre-filled pag oil

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2019AudiQ7Prestige3.0LV6GASN/A
2019AudiQ7Premium Plus3.0LV6GASN/A
2019AudiQ7Premium3.0LV6GASN/A
2018AudiA6 QuattroPrestige3.0LV6GASN/AR134A Refrigerant
2018AudiA6 QuattroPremium Plus3.0LV6GASN/AR134A Refrigerant
2018AudiA6 QuattroPremium3.0LV6GASN/AR134A Refrigerant
2018AudiA6 QuattroSport3.0LV6GASN/AR134A Refrigerant
2018AudiA7 QuattroPrestige3.0LV6GASN/AR134A Refrigerant
2018AudiA7 QuattroPremium Plus3.0LV6GASN/AR134A Refrigerant
2018AudiQ7Premium Plus3.0LV6GASN/A
2018AudiQ7Prestige3.0LV6GASN/A
2018AudiQ7Premium3.0LV6GASN/A
2017AudiA6 QuattroCompetition3.0LV6GASN/AR134A Refrigerant
2017AudiA6 QuattroPrestige3.0LV6GASN/AR134A Refrigerant
2017AudiA6 QuattroPremium Plus3.0LV6GASN/AR134A Refrigerant
2017AudiA7 QuattroPrestige3.0LV6GASN/AR134A Refrigerant
2017AudiA7 QuattroPremium Plus3.0LV6GASN/AR134A Refrigerant
2017AudiA7 QuattroCompetition3.0LV6GASN/AR134A Refrigerant
2017AudiQ7Premium Plus3.0LV6GASN/A
2017AudiQ7Premium3.0LV6GASN/A
2017AudiQ7Prestige3.0LV6GASN/A
2016AudiA6 QuattroPremium Plus3.0LV6GASN/ATo 11/09/2015
2016AudiA6 QuattroPrestige3.0LV6GASN/ATo 11/09/2015
2016AudiA6 QuattroPrestige3.0LV6GASN/AFrom 11/09/2015
2016AudiA6 QuattroPremium Plus3.0LV6GASN/AFrom 11/09/2015
2016AudiA7 QuattroPremium Plus3.0LV6GASN/ATo 11/09/2015
2016AudiA7 QuattroPrestige3.0LV6GASN/ATo 11/09/2015
2016AudiA7 QuattroPrestige3.0LV6GASN/AFrom 11/09/2015
2016AudiA7 QuattroPremium Plus3.0LV6GASN/AFrom 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:

4M0820803B4M0820803K4M0820803MCO11438RZ

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.