Bosch 1986AD1004 A/C Compressor

Bosch A/C Compressor for VW and Audi

Bosch A/C Compressor 1986AD1004 is a direct replacement compressor built for vehicles using R134A refrigerant and PAG YF 46 oil. It is engineered for OE-style fitment with precise casting, pulley, and connector specifications to support a clean installation on select Volkswagen and Audi applications.

Key Features

• Brand: Bosch A/C Compressor line
• Part number: 1986AD1004
• Compressor type: 6SEU14C
• Refrigerant type: R134A
• Compatible oil type: PAG YF 46
• Oil filled: Yes
• 12V coil voltage
• 6-groove pulley with 110 mm outside diameter
• Includes seal ring

Product Details

Bosch uses its OE manufacturing background to produce an A/C compressor that follows factory specifications for fit and function. This compressor is tested for endurance, performance, vibration, leak resistance, salt spray exposure, and noise control, helping ensure dependable operation in demanding conditions. It is a practical replacement choice for Volkswagen Tiguan, Volkswagen Jetta, Audi Q3, and other listed applications when the original compressor has failed or is no longer maintaining proper cabin cooling.

The Bosch A/C Compressor line focuses on replacement parts that align with OE dimensions and connection points. That makes Bosch 1986AD1004 a strong match for drivers searching for an A/C compressor for 2018-2025 Volkswagen Tiguan, 2015-2019 Audi Q3, or 2019-2020 Volkswagen Jetta service needs.

This part cross-references 1K0820808A and 5Q0820803Q for the same application.

What It Helps Fix

• Loss of cabin cooling from a worn or seized compressor
• Unstable A/C performance caused by internal compressor wear
• Noisy compressor operation linked to bearing or internal component failure
• Refrigerant leakage at the compressor assembly
• Fitment issues when replacing an OE-style R134A compressor

Installation Notes and Tips

Verify refrigerant type, oil specification, pulley configuration, and connector match before installation. This compressor is oil filled and uses PAG YF 46, so the system should be serviced according to the vehicle’s A/C requirements. Confirm the seal ring condition and inspect the rest of the A/C system for contamination, leaks, or debris before putting the vehicle back into service.

Fits 2025 Volkswagen Taos, A/C Compressor. Fits 2018-2025 Volkswagen Tiguan, A/C Compressor. Fits 2019-2020 Volkswagen Jetta, A/C Compressor. Fits 2015 Volkswagen Jetta, A/C Compressor. Fits 2015-2019 Audi Q3, A/C Compressor. Fits 2017-2019 Volkswagen Golf, A/C Compressor. Fits 2010-2014 Volkswagen Golf, A/C Compressor. Fits 2018-2019 Volkswagen Golf Alltrack, A/C Compressor. Fits 2018-2019 Volkswagen Golf SportWagen, A/C Compressor. Fits 2015-2018 Audi Q3 Quattro, A/C Compressor. Fits 2017-2018 Volkswagen GTI, A/C Compressor. Fits 2009-2016 Volkswagen Eos, A/C Compressor. Fits 2011-2015 Audi Q7, A/C Compressor. Fits 2008-2015 Audi TT Quattro, A/C Compressor. Fits 2009-2015 Audi TTS Quattro, A/C Compressor. Fits 2008-2013 Audi A3, A/C Compressor. Fits 2009-2013 Audi A3 Quattro, A/C Compressor. Fits 2010 Volkswagen Passat, A/C Compressor. Fits 2008-2009 Audi TT, A/C Compressor.

Quality Assurance

Bosch subjects this compressor to release and validation testing that includes endurance, performance, vibration, leak, salt spray, and noise checks. The result is an OE-spec replacement built to meet the demands of Volkswagen and Audi HVAC systems while maintaining consistent compressor operation.