Audi 4000 Quattro A/C Compressor for Sale | OEM Used Belt-Driven Variable

Belt-driven variable displacement A/C compressor for vintage Audi 4000 Quattro applications. The Audi 4000 Quattro A/C Compressor is a belt-driven variable displacement air conditioning compressor for vintage Audi 4000 / 4000 Quattro applications. The Audi 4000 / 4000 Quattro was Audi's compact sedan platform produced from 1980-1987 in US-market applications, with the 4000 Quattro variant being the AWD performance trim equipped with Audi's quattro permanent all-wheel-drive system. The A/C compressor on this platform is a belt-driven variable displacement unit driven by the engine accessory drive. Type: belt-driven variable displacement air conditioning compressor; drive: engine accessory drive belt; mounting: specific to Audi 4000 / 4000 Quattro engine bay; clutch coil: 12V electromagnetic clutch coil; original refrigerant: R-12 (vintage).

Vintage Audi compact sedan platform 1980-1987, predecessor to Audi 80 / A4. Audi 4000 (1980-1987): Audi's compact sedan platform produced for US market; predecessor to the Audi 80 / A4 lineage. Audi 4000 Quattro (1984-1987): the AWD performance trim equipped with Audi's quattro permanent all-wheel-drive system; significant in establishing Audi's quattro AWD reputation. Audi 80 / 90 successor platforms: the Audi 4000 was succeeded by the Audi 80 / 90 platform in 1988. Vintage status: the Audi 4000 Quattro is now a 38 plus year old vintage vehicle; parts availability is increasingly limited for many components including A/C system parts. Enthusiast community: active Audi vintage and 4000 Quattro enthusiast community.

Vintage R-12 systems can be retrofit to R-134a with proper procedure. Original R-12 refrigerant: the Audi 4000 Quattro was factory equipped with R-12 (Freon) refrigerant - the industry standard refrigerant for vehicles produced before approximately 1995. R-12 production cessation: R-12 production was banned in 1996 due to ozone depletion concerns; R-12 refrigerant supply is limited and expensive. R-134a retrofit: most vintage Audi 4000 Quattro A/C systems have been retrofit to R-134a refrigerant; retrofit requires refrigerant oil change, O-ring replacement, and proper retrofit procedure. Compressor compatibility: the compressor itself can typically work with either R-12 or R-134a after proper retrofit procedure. Service consideration: vintage A/C systems benefit from a complete refrigerant system service including dryer / accumulator replacement, expansion valve inspection, and refrigerant oil replacement.

Clutch coil resistance, shaft rotation, housing inspection, mounting verification. Each Audi 4000 Quattro A/C Compressor is tested before sale. Clutch coil resistance: tested and within OEM specification. Shaft rotation: verified for smooth rotation without excessive resistance or binding. Shaft seal condition: inspected for refrigerant leakage; vintage shaft seals can degrade with age. External housing condition: documented for no cracks, no impact damage, and no significant corrosion. Pulley and clutch surface condition: documented for wear and engagement surface quality. Mounting bracket holes: verified for fit with vintage Audi 4000 Quattro engine bay configuration. R-12 / R-134a retrofit compatibility: information provided to support proper refrigerant retrofit procedure if applicable.

Six Audi A/C parts covering multiple Audi platforms. The Audi 4000 Quattro A/C Compressor (this listing) is part of our broader Audi A/C parts cluster across this batch. (this listing): Audi 4000 Quattro A/C Compressor. : Audi 80 Series A/C Condenser. : Audi 90 Series A/C Condenser Fan. : Audi A8 A/C Wiring Harness. : Audi A4 A/C Evaporator. : Audi A7 A/C Hose. This Audi A/C parts cluster covers a range of Audi A/C system components across various Audi platforms (4000 Quattro vintage, 80 Series, 90 Series, A4, A7, A8). For Audi engine context, the Audi S5 V8 engine covers the Audi 4.2 FSI V8 performance engine.

Complete A/C system refresh recommended for vintage Audi 4000 Quattro. After acquiring a used Audi 4000 Quattro A/C compressor, plan for these items. Complete A/C system flush: budget for full A/C system flush to remove any contamination from prior compressor failure. Receiver / dryer / accumulator replacement: replace with new component to absorb any moisture in the system. Expansion valve inspection: check and replace if necessary. O-ring replacement: replace all O-rings throughout the system if performing R-12 to R-134a retrofit. Refrigerant oil: install correct refrigerant oil for the chosen refrigerant (PAG or POE for R-134a). Vacuum and leak test: pull vacuum and perform leak test before refrigerant charge. Refrigerant charge: charge to proper specification with proper refrigerant. Belt inspection: inspect and replace accessory drive belt if necessary.

This is an OEM used unit, tested before sale. This Audi 4000 Quattro A/C compressor is an OEM used unit removed from a donor vehicle. It is not a rebuilt or remanufactured unit - it is the original OEM component tested for clutch coil resistance, shaft rotation, shaft seal condition, external housing condition, and mounting bracket fit before sale. For vintage Audi 4000 Quattro applications, OEM used units are often the most practical option given limited remanufactured supply for this 38 plus year old platform.

No. There is no core return required.