Dorman 902-025 A/C Service Valve Cap

Dorman 902-025 A/C Service Valve Cap

Dorman 902-025 is an A/C service valve cap built to match the fit and function of the original cap on specified vehicles. The brass construction and threaded attachment help deliver secure sealing performance for R134A systems, including many Chevrolet, GMC, Cadillac, Buick, Pontiac, Saturn, Hummer, Saab, and Oldsmobile applications.

• Brass construction for durable service use
• Yellow color for quick identification on R134A systems
• Threaded attachment with 0.313 in. thread diameter
• Direct replacement for the original A/C service valve cap on listed applications
• Designed for reliable performance in HVAC service points

Product Details

This A/C service valve cap is engineered as an OE-style replacement for the original cap used on specified GM and related platforms. Dorman 902-025 helps maintain the service port closure on R134A air conditioning systems, supporting proper sealing at the valve cap location. It cross-references GM 52458184 for the same application. Common search terms for this part include A/C service valve cap for Chevrolet Silverado 1500, GMC Sierra 1500 A/C valve cap, and Dorman 902-025 replacement cap for GM R134A service ports.

What It Helps Address

• Missing or damaged A/C service valve cap
• Worn threaded cap that no longer secures properly
• Service port exposure during routine HVAC maintenance
• Incorrect cap identification on R134A systems
• Replacement needs on GM truck, van, SUV, and car A/C service points

Installation Notes and Tips

Verify the refrigerant type before installation; this cap is specified for R134A systems. Confirm the thread diameter and threaded attachment style match the vehicle’s service port. Body fitment includes many applications such as Fits 1999-2015 Chevrolet Silverado 1500, N/A; Fits 2007-2015 GMC Sierra, N/A; and Fits 2002-2015 Cadillac Escalade, N/A. Additional coverage includes Fits 1996-2019 Chevrolet Express 2500, N/A and Fits 2007-2015 Chevrolet Traverse, N/A. For vehicles with manual air conditioning controls, review the listed notes before ordering. Dorman 902-025 is also searched for on Chevrolet Impala, GMC Acadia, and Buick Enclave service port repairs.

Quality Assurance

Dorman engineers this cap to match the original fit and function on specified applications and to provide dependable durability in everyday service. The brass material and threaded design support consistent retention at the A/C service valve.