Dorman 904-617 HVAC Pressure Switch

Name: Dorman 904-617 HVAC Pressure Switch
Brand: Dorman
SKU: BKKY-904-617
Price: 71.31 USD
Availability: InStock

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⚙️ 248 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Pontiac, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Cadillac, and Saturn, Torrent, Rainier, SSR, Trailblazer, Envoy, Ascender, Corvette, Bravada, S10, Sonoma, Century, LeSabre, Park Avenue, Regal, Rendezvous, DeVille, Seville, Camaro, Impala, Malibu, Monte Carlo, Venture, Aurora, Intrigue, Silhouette, Aztek, Bonneville, Firebird, Grand Prix, Montana, LW200, LW300, Cavalier, Lumina, Alero, Grand Am, Sunfire, L100, L200, L300, LW1, LW2, Riviera, 88, Cutlass, LSS, Skylark, Achieva, Trans Sport, Cutlass Supreme, Roadmaster, Fleetwood, Beretta, Caprice, Corsica, and Cutlass Ciera

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Reliable HVAC Pressure Switch for Select GM and Isuzu Vehicles

The Dorman 904-617 HVAC Pressure Switch is designed to maintain optimal air conditioning system performance in various Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Saturn models. Engineered for specific fitment, this pressure switch ensures accurate monitoring of refrigerant pressure in R134a systems.

Operates at 5 volts with a 1 amp amperage rating
Compatible with R134a refrigerant type
Pressure limits: closes at 260 psi and opens at 475 psi
Maximum pressure reading up to 507 psi
Durable metal housing with a bolt-on mount type
Features a black round female connector with 3 male pin terminals
Thread diameter of 10 mm for secure installation

Technical Details and Compatibility

The Dorman 904-617 HVAC Pressure Switch is specifically designed for use in a range of GM and Isuzu vehicles, including models such as the Buick LeSabre, Cadillac DeVille, Chevrolet Camaro, GMC Envoy, Isuzu Ascender, Oldsmobile Cutlass, Pontiac Grand Prix, and Saturn Vue. This pressure switch operates at 5 volts and is calibrated for R134a refrigerant systems, closing at 260 psi and opening at 475 psi to protect the A/C system from pressure extremes. Its metal housing and bolt-on mount provide durability and secure fitment, while the black round female connector with three male pin terminals ensures reliable electrical connections.

Common Applications and Problem Resolution

Prevents A/C compressor damage by monitoring refrigerant pressure
Helps avoid system shutdowns caused by pressure irregularities
Ensures proper cycling of the air conditioning system in compatible Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Saturn models
Addresses issues related to inconsistent cooling performance
Replaces faulty or worn pressure switches to restore system functionality

Installation Notes and Tips

Installation of the Dorman 904-617 HVAC Pressure Switch requires a 10 mm threaded port and a bolt-on mounting method. Ensure the vehicle’s A/C system is depressurized before removal of the old switch to prevent refrigerant loss or injury. The connector’s black round female design with three male pin terminals should be securely connected to avoid electrical faults. No mounting bracket is included, so use existing hardware for installation. Proper torque specifications should be followed to avoid damage to the switch or mounting threads.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 904-617 HVAC Pressure Switch undergoes rigorous quality control to ensure reliable operation within specified pressure limits. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.

Brand	Dorman
Part Number	904-617
Amperage Rating	1
Color	Black
Connector Color	Black
Connector Gender	Female
Connector Shape	Round
Housing Material	Metal
Maximum Pressure Reading	507 PSI
Mount Type	Bolt On
Mounting Bracket Included	No
Package Contents	1 A/C Pressure Sensor
Pressure Limit Closed	260
Pressure Limit Open	475
Refrigerant Type	R134A
Terminal Gender	Male
Terminal Quantity	3
Terminal Type	Pin
Thread Diameter	10 mm
Universal Or Specific Fit	Specific
Voltage	5
Wire Quantity	0

This part fits 248 vehicles. Search below:

Year	Make	Model	Position
2006	Pontiac	Torrent	N/A
2005	Buick	Rainier	N/A
2005	Chevrolet	SSR	N/A
2005	Chevrolet	Trailblazer	N/A
2005	GMC	Envoy	N/A
2005	Isuzu	Ascender	N/A
2004	Buick	Rainier	N/A
2004	Chevrolet	Corvette	N/A
2004	Chevrolet	SSR	N/A
2004	Chevrolet	Trailblazer	N/A
2004	GMC	Envoy	N/A
2004	Oldsmobile	Bravada	N/A
2003	Chevrolet	Corvette	N/A
2003	Chevrolet	S10	N/A
2003	Chevrolet	Trailblazer	N/A
2003	GMC	Envoy	N/A
2003	GMC	Sonoma	N/A
2003	Oldsmobile	Bravada	N/A
2002	Buick	Century	N/A
2002	Buick	LeSabre	N/A
2002	Buick	Park Avenue	N/A
2002	Buick	Regal	N/A
2002	Buick	Rendezvous	N/A
2002	Cadillac	DeVille	N/A
2002	Cadillac	Seville	N/A
2002	Chevrolet	Camaro	N/A
2002	Chevrolet	Corvette	N/A
2002	Chevrolet	Impala	N/A
2002	Chevrolet	Malibu	N/A
2002	Chevrolet	Monte Carlo	N/A
2002	Chevrolet	S10	N/A
2002	Chevrolet	Trailblazer	N/A
2002	GMC	Envoy	N/A
2002	GMC	Sonoma	N/A
2002	Oldsmobile	Aurora	N/A
2002	Oldsmobile	Bravada	N/A
2002	Oldsmobile	Intrigue	N/A
2002	Oldsmobile	Silhouette	N/A
2002	Pontiac	Aztek	N/A
2002	Pontiac	Bonneville	N/A
2002	Pontiac	Firebird	N/A
2002	Pontiac	Grand Prix	N/A
2002	Pontiac	Montana	N/A
2002	Saturn	LW200	N/A
2002	Saturn	LW300	N/A
2001	Buick	Century	N/A
2001	Buick	LeSabre	N/A
2001	Buick	Park Avenue	N/A
2001	Buick	Regal	N/A
2001	Cadillac	DeVille	N/A
2001	Cadillac	Seville	N/A
2001	Chevrolet	Camaro	N/A
2001	Chevrolet	Cavalier	N/A
2001	Chevrolet	Corvette	N/A
2001	Chevrolet	Impala	N/A
2001	Chevrolet	Lumina	N/A
2001	Chevrolet	Malibu	N/A
2001	Chevrolet	Monte Carlo	N/A
2001	Chevrolet	S10	N/A
2001	GMC	Sonoma	N/A
2001	Oldsmobile	Alero	N/A
2001	Oldsmobile	Aurora	N/A
2001	Oldsmobile	Intrigue	N/A
2001	Oldsmobile	Silhouette	N/A
2001	Pontiac	Aztek	N/A
2001	Pontiac	Bonneville	N/A
2001	Pontiac	Firebird	N/A
2001	Pontiac	Grand Am	N/A
2001	Pontiac	Grand Prix	N/A
2001	Pontiac	Montana	N/A
2001	Pontiac	Sunfire	N/A
2001	Saturn	L100	N/A
2001	Saturn	L200	N/A
2001	Saturn	L300	N/A
2001	Saturn	LW200	N/A
2001	Saturn	LW300	N/A
2000	Buick	Century	N/A
2000	Buick	LeSabre	N/A
2000	Buick	Park Avenue	N/A
2000	Buick	Regal	N/A
2000	Cadillac	DeVille	N/A
2000	Cadillac	Seville	N/A
2000	Chevrolet	Camaro	N/A
2000	Chevrolet	Cavalier	N/A
2000	Chevrolet	Corvette	N/A
2000	Chevrolet	Impala	N/A
2000	Chevrolet	Lumina	N/A
2000	Chevrolet	Malibu	N/A
2000	Chevrolet	Monte Carlo	N/A
2000	Chevrolet	S10	N/A
2000	GMC	Sonoma	N/A
2000	Oldsmobile	Alero	N/A
2000	Oldsmobile	Intrigue	N/A
2000	Oldsmobile	Silhouette	N/A
2000	Pontiac	Bonneville	N/A
2000	Pontiac	Firebird	N/A
2000	Pontiac	Grand Am	N/A
2000	Pontiac	Grand Prix	N/A
2000	Pontiac	Montana	N/A
2000	Pontiac	Sunfire	N/A
2000	Saturn	LW1	N/A
2000	Saturn	LW2	N/A
1999	Buick	Century	N/A
1999	Buick	LeSabre	N/A
1999	Buick	Park Avenue	N/A
1999	Buick	Regal	N/A
1999	Buick	Riviera	N/A
1999	Cadillac	Seville	N/A
1999	Chevrolet	Camaro	N/A
1999	Chevrolet	Cavalier	N/A
1999	Chevrolet	Corvette	N/A
1999	Chevrolet	Lumina	N/A
1999	Chevrolet	Malibu	N/A
1999	Chevrolet	Monte Carlo	N/A
1999	Chevrolet	S10	N/A
1999	GMC	Sonoma	N/A
1999	Oldsmobile	88	N/A
1999	Oldsmobile	Alero	N/A
1999	Oldsmobile	Cutlass	N/A
1999	Oldsmobile	Intrigue	N/A
1999	Oldsmobile	LSS	N/A
1999	Oldsmobile	Silhouette	N/A
1999	Pontiac	Bonneville	N/A
1999	Pontiac	Firebird	N/A
1999	Pontiac	Grand Am	N/A
1999	Pontiac	Grand Prix	N/A
1999	Pontiac	Montana	N/A
1999	Pontiac	Sunfire	N/A
1998	Buick	Century	N/A
1998	Buick	LeSabre	N/A
1998	Buick	Park Avenue	N/A
1998	Buick	Regal	N/A
1998	Buick	Riviera	N/A
1998	Buick	Skylark	N/A
1998	Cadillac	Seville	N/A
1998	Chevrolet	Camaro	N/A
1998	Chevrolet	Cavalier	N/A
1998	Chevrolet	Corvette	N/A
1998	Chevrolet	Lumina	N/A
1998	Chevrolet	Malibu	N/A
1998	Chevrolet	Monte Carlo	N/A
1998	Chevrolet	S10	N/A
1998	GMC	Sonoma	N/A
1998	Oldsmobile	88	N/A
1998	Oldsmobile	Achieva	N/A
1998	Oldsmobile	Cutlass	N/A
1998	Oldsmobile	Intrigue	N/A
1998	Oldsmobile	LSS	N/A
1998	Oldsmobile	Silhouette	N/A
1998	Pontiac	Bonneville	N/A
1998	Pontiac	Firebird	N/A
1998	Pontiac	Grand Am	N/A
1998	Pontiac	Grand Prix	N/A
1998	Pontiac	Sunfire	N/A
1998	Pontiac	Trans Sport	N/A
1997	Buick	Century	N/A
1997	Buick	LeSabre	N/A
1997	Buick	Park Avenue	N/A
1997	Buick	Regal	N/A
1997	Buick	Riviera	N/A
1997	Buick	Skylark	N/A
1997	Chevrolet	Camaro	N/A
1997	Chevrolet	Cavalier	N/A
1997	Chevrolet	Corvette	N/A
1997	Chevrolet	Lumina	N/A
1997	Chevrolet	Malibu	N/A
1997	Chevrolet	Monte Carlo	N/A
1997	Chevrolet	S10	N/A
1997	GMC	Sonoma	N/A
1997	Oldsmobile	88	N/A
1997	Oldsmobile	Achieva	N/A
1997	Oldsmobile	Cutlass	N/A
1997	Oldsmobile	Cutlass Supreme	N/A
1997	Oldsmobile	LSS	N/A
1997	Oldsmobile	Silhouette	N/A
1997	Pontiac	Bonneville	N/A
1997	Pontiac	Firebird	N/A
1997	Pontiac	Grand Am	N/A
1997	Pontiac	Grand Prix	N/A
1997	Pontiac	Sunfire	N/A
1997	Pontiac	Trans Sport	N/A
1996	Buick	Century	N/A
1996	Buick	LeSabre	N/A
1996	Buick	Park Avenue	N/A
1996	Buick	Regal	N/A
1996	Buick	Riviera	N/A
1996	Buick	Roadmaster	N/A
1996	Buick	Skylark	N/A
1996	Cadillac	Fleetwood	N/A
1996	Chevrolet	Camaro	N/A
1996	Chevrolet	Caprice	N/A
1996	Chevrolet	Cavalier	N/A
1996	Chevrolet	Corsica	N/A
1996	Chevrolet	Corvette	N/A
1996	Chevrolet	Impala	N/A
1996	Chevrolet	Lumina	N/A
1996	Chevrolet	Monte Carlo	N/A
1996	Chevrolet	S10	N/A
1996	GMC	Sonoma	N/A
1996	Oldsmobile	88	N/A
1996	Oldsmobile	Achieva	N/A
1996	Oldsmobile	Cutlass	N/A
1996	Oldsmobile	Cutlass Ciera	N/A
1996	Oldsmobile	Cutlass Supreme	N/A
1996	Oldsmobile	LSS	N/A
1996	Oldsmobile	Silhouette	N/A
1996	Pontiac	Bonneville	N/A
1996	Pontiac	Firebird	N/A
1996	Pontiac	Grand Am	N/A
1996	Pontiac	Sunfire	N/A
1996	Pontiac	Trans Sport	N/A
1995	Buick	Century	N/A
1995	Buick	Regal	N/A
1995	Buick	Roadmaster	N/A
1995	Buick	Skylark	N/A
1995	Cadillac	Fleetwood	N/A
1995	Chevrolet	Camaro	N/A
1995	Chevrolet	Caprice	N/A
1995	Chevrolet	Cavalier	N/A
1995	Chevrolet	Corsica	N/A
1995	Chevrolet	Corvette	N/A
1995	Chevrolet	Impala	N/A
1995	Chevrolet	Lumina	N/A
1995	Chevrolet	Monte Carlo	N/A
1995	Oldsmobile	Achieva	N/A
1995	Oldsmobile	Cutlass	N/A
1995	Oldsmobile	Cutlass Ciera	N/A
1995	Oldsmobile	Cutlass Supreme	N/A
1995	Pontiac	Firebird	N/A
1995	Pontiac	Grand Am	N/A
1995	Pontiac	Sunfire	N/A
1994	Buick	Century	N/A
1994	Buick	Regal	N/A
1994	Buick	Roadmaster	N/A
1994	Buick	Skylark	N/A
1994	Cadillac	Fleetwood	N/A
1994	Chevrolet	Camaro	N/A
1994	Chevrolet	Caprice	N/A
1994	Chevrolet	Corsica	N/A
1994	Chevrolet	Corvette	N/A
1994	Oldsmobile	Achieva	N/A
1994	Oldsmobile	Cutlass	N/A
1994	Oldsmobile	Cutlass Ciera	N/A
1994	Oldsmobile	Cutlass Supreme	N/A
1994	Pontiac	Firebird	N/A
1994	Pontiac	Grand Am	N/A
1993	Chevrolet	Camaro	N/A
1993	Pontiac	Firebird	N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

366989131721PCS167

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.