A/C Compressor 1K0-820-859-S — oryginalna część samochodowa

A/C Compressor 1K0-820-859-S — miniatura 1

A/C Compressor 1K0-820-859-S — miniatura 2

A/C Compressor 1K0-820-859-S

Name: A/C Compressor 1K0-820-859-S
Brand: Multiple Manufacturers
SKU: 1K0-820-859-S
Availability: InStock

Nr katalogowy

1K0-820-859-S 1k0820859s 1k0-820-859-s 1K0820859S

Nazwy alternatywne

A/C Compressor AC Compressor Air Conditioning Compressor Compressor

Zakres cen

$12 – $1,100

z 129 ofert

Oryginalne części 95

Części używane 35

Porównaj 129 ofert

Przegląd

An A/C compressor is responsible for circulating refrigerant through the air conditioning system. It compresses the refrigerant gas, raising its pressure and temperature before sending it to the condenser. This process is essential for maintaining a comfortable cabin temperature, especially during hot weather.

Neglecting the A/C compressor can lead to a variety of issues, including warm air blowing from vents, unusual noises when the system is running, or complete system failure. If the compressor shows signs of leakage or isn't cycling properly, it may be time for a replacement to restore climactic comfort effectively.

Choosing the OEM part number 1K0-820-859-S ensures the highest reliability and proper integration within the existing air conditioning system. This original component is manufactured to meet industry standards, reducing the chances of premature failure often seen with generic parts.

Dostępne w sklepach 130 ofert

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Podobne części 6 części

Specyfikacja techniczna

OEM Part Number	1K0-820-859-S
Compressor Model	DENSO 7SEU17C
Operating Voltage	12V
Refrigerant Type	R134a
Oil Type	PAG 46
Oil Capacity	7 oz
Clutch Diameter	100 mm
Fitting Style	Pad mount
Weight	~12.55 lbs (5.7 kg)
Mounting Bolt Torque	25 ± 2 Nm

Jak wymienić A/C Compressor

Replacing the 1K0820859S A/C compressor requires refrigerant recovery equipment and should be performed by a certified technician. The procedure involves safely discharging the system, removing the old compressor, installing the new unit, and professionally evacuating and recharging the A/C system with the correct refrigerant and oil quantities.

Szybkie wskazówki

Cap refrigerant lines immediately after disconnecting them — even brief exposure to ambient air introduces moisture that can contaminate the system and damage the new compressor.
Always verify the PAG 46 oil quantity (7 oz) before completing the recharge; insufficient oil is the leading cause of premature compressor failure after replacement.
Inspect the receiver-drier or accumulator at the same time — it should be replaced whenever the A/C system is opened, as it absorbs moisture and becomes saturated.
Use a torque wrench for all fasteners: mounting bolts to 25 ± 2 Nm and refrigerant line bolts to 22 ± 1 Nm — overtightening can crack aluminum fittings.
Before installing, spin the new compressor pulley by hand to confirm it rotates smoothly and the clutch engages correctly, ruling out any shipping damage.
Verify VIN-based fitment before ordering — multiple suffix variants (859-C, 859-E, 859-M, 859-S) exist and compatibility depends on specific engine and model year combinations.

Discharge the A/C System

Using certified refrigerant recovery equipment, safely recover all R134a refrigerant from the A/C system before beginning any work. This step is legally required and prevents environmental harm.
Disconnect the Battery

Disconnect the negative battery terminal to eliminate any risk of electrical shorts while working near the compressor clutch connector and other wiring.
Remove the Serpentine Belt

Release belt tension using the appropriate tensioner tool and remove the serpentine belt from the A/C compressor pulley. Set it aside if it will be reused.
Disconnect Electrical and Refrigerant Lines

Unplug the compressor clutch electrical connector. Then detach the refrigerant line pad-mount fitting, removing the retaining bolt (torque: 22 ± 1 Nm on reinstall). Immediately cap both the line and compressor ports to prevent moisture and debris contamination.
Remove Mounting Bolts and Extract Compressor

Remove all compressor mounting bolts securing the unit to the engine block. Carefully extract the compressor from the engine bay, noting its orientation for reinstallation reference.
Install the New Compressor

Position the new 1K0820859S compressor and hand-thread all mounting bolts before torquing to 25 ± 2 Nm in a cross pattern. Reconnect the refrigerant line fitting and torque to 22 ± 1 Nm. Reconnect the electrical connector until it clicks.
Reinstall Serpentine Belt

Route the serpentine belt over the compressor pulley per the belt routing diagram, then release the tensioner to apply correct belt tension.
Evacuate and Recharge the A/C System

Using certified equipment, pull a deep vacuum on the A/C system to remove all air and moisture. Recharge with the correct quantity of R134a refrigerant and verify that PAG 46 oil is present at the specified 7 oz capacity. Reconnect the battery and test A/C operation.

Oznaki zużycia części

Warm Air from Vents
The most common symptom — when the compressor fails to compress refrigerant adequately, the A/C system cannot cool the cabin and only ambient or warm air exits the vents even with A/C activated.
Grinding or Squealing Noise
Unusual grinding or squealing sounds from the engine bay during A/C operation indicate worn internal compressor bearings or clutch components that require immediate attention to prevent total seizure.
Visible Refrigerant Leaks or Oil Stains
Oil stains or oily residue around the compressor body or line fittings indicate a failing shaft seal or damaged fitting, causing refrigerant and PAG oil to escape the system.
Compressor Clutch Not Engaging
If the electromagnetic clutch fails to engage when the A/C is switched on — evidenced by the clutch disc not spinning with the pulley — the compressor cannot function, resulting in no cooling.
Intermittent A/C Performance
Cooling that cuts in and out unpredictably can signal an internally failing compressor, a slipping clutch, or low refrigerant caused by a slow leak at a compromised compressor seal.

Częstotliwość wymiany

Normal Operating Life

10–15 years or 150,000–250,000 km

No scheduled replacement interval under standard use. Replace on failure or when symptoms of compressor degradation appear.

Severe / High-Use Conditions

Inspect at 100,000 km

Vehicles operated in hot climates with near-constant A/C use, or those with a history of refrigerant leaks or contaminated oil, may experience accelerated wear and should be inspected earlier.

The A/C compressor has no fixed replacement schedule. Service life depends heavily on refrigerant charge integrity, oil condition, and whether the receiver-drier has been replaced when the system was previously opened. Address any A/C system leaks promptly to avoid running the compressor with insufficient lubrication.

Najczęściej zadawane pytania

Is the 1K0820859S a new OEM part or a remanufactured unit?

The 1K0-820-859-S suffix designates a new OEM unit. The remanufactured/exchange variant carries the suffix 1K0-820-859-SX (the 'X' denotes an exchange core). Both are functionally identical, but the exchange unit typically requires a core return.

What vehicles does the 1K0820859S fit?

Confirmed fitments include the VW Golf V (1K1), VW Beetle (2012–2015), VW Tiguan, Audi A3 (2006–2007), and SEAT Leon (1P1). Compatibility varies by engine type and production date — always verify using your vehicle's VIN before purchasing.

Do I need to replace the receiver-drier when replacing this compressor?

Yes. Industry best practice requires replacing the receiver-drier (or accumulator) any time the A/C system is opened. The drier's desiccant becomes saturated with moisture once exposed to air and will no longer protect the new compressor from contamination.

What refrigerant and oil does this compressor use?

This compressor uses R134a refrigerant and PAG 46 compressor oil at a specified capacity of 7 oz. Using the wrong oil type or quantity will void any warranty and can cause premature compressor failure.

Can I replace the 1K0820859S myself without a shop?

Recovering and recharging refrigerant requires EPA Section 609-certified equipment and is illegal to vent to atmosphere. While the mechanical removal and installation can be DIY-performed, the refrigerant handling steps must be performed by a certified technician or shop.

Are DENSO DCP32045 and Nissens 890632 reliable alternatives to the OEM part?

Yes. DENSO is the original manufacturer of the OEM compressor and their DCP32045 is a direct equivalent built to the same specifications — it is the recommended aftermarket choice. Nissens is a reputable European supplier and their 890632 is also a validated direct replacement.