Four Seasons 39682 A/C Expansion Valve - Front

Four Seasons 39682 Expansion Valve Overview

Four Seasons 39682 is a block-type A/C expansion valve built for R134A systems and engineered with an aluminum body for consistent refrigerant control. It is a direct-fit HVAC flow restrictor for select Nissan and INFINITI applications, including Nissan Altima, Rogue, Sentra, Frontier, Murano, Maxima, TITAN, Z, and INFINITI QX50, QX55, and QX80 coverage.

The Four Seasons Expansion Valve line focuses on OE-style service parts for mobile air conditioning repairs. Part number 39682 is made to meet or exceed OEM requirements and is backed by Four Seasons’ long history in automotive A/C service.

Key Features

• Block-type A/C expansion valve for R134A refrigerant systems
• Aluminum construction for HVAC service durability
• O-ring liquid and suction connections for proper sealing
• Meets or exceeds OEM specifications
• Style without solenoid
• Super heat rating: -12
• 1.5 tonnage application
• Mounting hardware included

Detailed Product Description

Four Seasons 39682 regulates refrigerant flow into the evaporator to help maintain proper A/C system performance. This expansion valve uses No. 6 liquid inlet, No. 8 liquid outlet, No. 10 suction inlet, and No. 12 suction outlet sizing with O-ring style connections for service-friendly installation. It is a strong match for drivers searching for a Nissan Altima expansion valve, Nissan Rogue A/C expansion valve, or INFINITI QX50 HVAC flow restrictor replacement.

This part cross-references UAC EX10698C for the same application.

What It Helps Address

• Weak or inconsistent cabin cooling
• Incorrect refrigerant metering at the evaporator
• A/C performance issues caused by a worn expansion valve
• Temperature fluctuations during compressor cycling
• Service repairs on R134A-equipped Nissan and INFINITI vehicles

Installation Notes and Tips

Verify refrigerant type, port sizes, and system layout before installation. Replace O-rings as needed, evacuate and recharge the system to specification, and inspect the compressor, condenser, and evaporator for contamination or restriction before returning the vehicle to service. Confirm fitment for 2019-2025 Nissan Altima, 2021-2025 INFINITI QX50, 2022-2025 Nissan Rogue, and other listed applications before ordering.

• Fits 2021-2025 INFINITI QX50, N/A
• Fits 2022-2025 INFINITI QX55, N/A
• Fits 2025 INFINITI QX80, Front
• Fits 2019-2025 Nissan Altima, N/A
• Fits 2025 Nissan Armada, Front
• Fits 2022-2025 Nissan Frontier, N/A
• Fits 2022-2025 Nissan Murano, N/A
• Fits 2023-2025 Nissan Rogue, N/A
• Fits 2021 Nissan Rogue, N/A
• Fits 2020-2025 Nissan Sentra, N/A
• Fits 2023-2025 Nissan Z, N/A
• Fits 2023-2024 Nissan TITAN, N/A
• Fits 2022-2023 Nissan Maxima, N/A
• Fits 2022 Nissan TITAN, N/A
• Fits 2021 Nissan Maxima, N/A
• Fits 2021 Nissan Murano, N/A
• Fits 2019-2020 Nissan 370Z, N/A

Quality Assurance

Four Seasons draws on more than 50 years of mobile A/C experience, and this 39682 expansion valve is engineered and tested for dependable service life. It is built to support OE-level replacement needs for Nissan and INFINITI HVAC repairs.