Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as
phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure,
service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more
information see
www.P65Warnings.ca.gov/motor-vehicle-parts.
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Also available from other brands
The Denso A/C Compressor 471 0128 is a high-quality replacement compressor for select Porsche 924 and 944 models. Designed to meet or exceed OEM specifications, it provides reliable cooling performance. Denso is a trusted OE supplier for many automotive manufacturers.
Key Features & Benefits
OE Supplier Quality: Denso is a leading original equipment manufacturer of A/C compressors.
Precision Engineering: Designed for exact fit and long service life.
Durable Construction: Built to withstand the demands of daily driving.
Efficient Cooling: Ensures consistent air conditioning performance.
Vehicle Fitment
Make
Model
Years
Porsche
944
1985–1991
Porsche
924
1987–1988
Technical Specifications
Part Number
471 0128
Compatible Models
Porsche 924, 944
Type
A/C Compressor
Brand
DENSO
Installation Notes
Professional installation recommended, including system evacuation and recharge.
About DENSO
Denso is a global leader in automotive thermal systems and a trusted OE supplier for many major automakers.
This part also goes by the following cross reference.
The DENSO 471-0128 A/C compressor is the heart of your car's air-conditioning system. Driven by the engine's accessory belt, it pressurizes the refrigerant and circulates it through the condenser and evaporator so the cabin can be cooled.
Frequently asked questions
What does an A/C compressor do?
It compresses low-pressure refrigerant vapor into high-pressure vapor and pumps it through the system. Without it the refrigerant does not circulate and the A/C blows warm air.
What are the signs of a failing A/C compressor?
Warm air from the vents, grinding or squealing when the A/C is switched on, a compressor clutch that does not engage (on clutch-type compressors), or refrigerant and oil leaking at the compressor. Low refrigerant, a failed pressure sensor or an electrical fault can cause similar symptoms, so have the system diagnosed first.
Can I replace an A/C compressor myself?
Removing and fitting the compressor is mechanical work, but the refrigerant must be recovered before the system is opened, and the system must be evacuated and recharged afterwards with the correct refrigerant (R134a or R1234yf) and amount. That needs A/C service equipment, so many owners have a shop handle those steps.
What should I replace along with the compressor?
Replace the receiver-drier or accumulator and the expansion valve or orifice tube, flush the lines and condenser (especially after an internal compressor failure), and fit new O-rings. Check the compressor oil type and quantity against your vehicle's specification. Many compressor warranties require these steps.
How do I make sure this compressor fits my car?
Compare the part numbers listed on this page with the number on your old compressor or in your vehicle's parts catalog, and check the fitment information. If you are unsure, contact us with your VIN before ordering.
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