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Dorman 904-9921 A/C Refrigerant Pressure Sensor
| Brand | Dorman 904-9921 |
|---|---|
| Maximum Pressure Reading | 600 |
| Color | Gold |
| Color | Green |
| Color | Naranja |
| Color | Orange |
| Color | Oro |
| Color | Verde |
| Terminal Type | Aspa |
| Terminal Type | Blade |
| Mount Type | Roscado |
| Mount Type | Threaded |
| Terminal Quantity | 2 |
| Connector Gender | Female |
| Connector Gender | Hembra |
| Contenidos del paquete | 1 sensor de presión de aire acond. |
| Diámetro de la rosca | 7/16-20in. |
| Package Contents | 1 a/c pressure sensor |
| Thread Diameter | 7/16-20 in |
| Fits | —28 vehicles |
OE-style replacement. Matches the original sensor’s fit and function for straightforward installation.
Threaded mount. Blade terminals and a female connector provide a secure electrical connection.
Pressure-rated sensor. Built to read up to 600 for dependable A/C system monitoring.
Cross-references 577.55598, 442182C1 and B404121 for the same application. See all 3.
Dorman 904-9921 A/C Refrigerant Pressure Sensor
Dorman 904-9921 is an A/C refrigerant pressure sensor built to match the fit and function of the original sensor on specified vehicles. It is engineered for durable operation and consistent pressure signal performance in the HVAC system.
Key Features
- OE-style replacement A/C refrigerant pressure sensor for specified applications
- Designed to match original fit and function
- Maximum pressure reading: 600
- Threaded mount with 7/16-20 in. thread diameter
- Female connector with 2 terminals and blade terminal type
- Available in gold/green/orange finish details as listed in the product data
Product Details
This Dorman HVAC sensor is built for vehicles that rely on accurate refrigerant pressure input to manage A/C system operation. The sensor is a direct-fit style replacement for specified applications and is suited for service work where the original A/C refrigerant pressure sensor has failed or is reading incorrectly. Part number 904-9921 is also referenced by 577.55598 and B404121 for the same application.
For fitment-based searches, this part is commonly sought as an A/C refrigerant pressure sensor for vehicle HVAC repair, including Dorman 904-9921 replacement sensor searches and make/model-specific A/C pressure sensor replacement queries. It is a practical option for technicians and owners servicing compatible Ford, Chevrolet, and Dodge applications where the original sensor uses the same threaded, female, 2-terminal configuration.
Common Problems This Part Can Address
- Inaccurate A/C refrigerant pressure readings
- Intermittent compressor engagement caused by sensor signal issues
- A/C system fault codes related to refrigerant pressure monitoring
- Loss of cooling performance from a failed pressure sensor
- HVAC operation problems tied to damaged sensor connectors or threads
Installation Notes
Verify the thread size, connector style, terminal count, and mounting style before installation. This sensor uses a threaded mount with a 7/16-20 in. thread diameter and a female connector with blade terminals, so matching the original configuration is important for proper installation. Confirm vehicle application details for the exact make and model before ordering, especially when searching for Dorman 904-9921 on Ford, Chevrolet, or Dodge HVAC repair jobs.
Quality Assurance
Dorman designs this sensor to match original equipment fit and function and to deliver reliable performance in the A/C system. The part is engineered for durability in automotive HVAC service and is backed by Dorman’s product engineering standards.
| Year | Make | Model | Notes |
|---|---|---|---|
| 1996 | International | 9300 | — |
| 1996 | International | 9400 | — |
| 1996 | International | 9600 | — |
| 1996 | International | 9700 | — |
| 1995 | International | 9300 | — |
| 1995 | International | 9400 | — |
| 1995 | International | 9600 | — |
| 1995 | International | 9700 | — |
| 1994 | International | 9300 | — |
| 1994 | International | 9400 | — |
| 1994 | International | 9600 | — |
| 1994 | International | 9700 | — |
| 1993 | International | 9300 | — |
| 1993 | International | 9400 | — |
| 1993 | International | 9600 | — |
| 1993 | International | 9700 | — |
| 1992 | International | 9300 | — |
| 1992 | International | 9400 | — |
| 1992 | International | 9600 | — |
| 1992 | International | 9700 | — |
| 1991 | International | 5000 | — |
| 1991 | International | 9300 | — |
| 1991 | International | 9400 | — |
| 1991 | International | 9600 | — |
| 1991 | International | 9700 | — |
| 1990 | International | 5000 | — |
| 1990 | International | 9300 | — |
| 1990 | International | 9400 | — |
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