Four Seasons 33316 A/C Accumulator

Four Seasons 33316 A/C Accumulator

The Four Seasons Accumulator 33316 is a complete aluminum A/C accumulator built for OE-style service on select Audi applications. It features a 3.500-inch body diameter, 9.000-inch body length, female O-ring inlet, and male insert O-ring outlet for a direct-fit replacement on the listed vehicles.

Compatible with 1992 Audi S4 and 1993 Audi S4 w/ R12, this Four Seasons 33316 accumulator meets or exceeds OEM requirements and uses green O-ring sealing points for a secure HVAC connection.

Key Features

• Brand: Four Seasons Accumulator line
• Part number: 33316
• Aluminum complete-unit construction
• Female O-ring inlet, male insert O-ring outlet
• 3/4-inch inlet and outlet sizing
• 3.500-inch body diameter and 9.000-inch body length
• Without service port, without switch port, without mounting bracket
• Meets or exceeds OEM specifications
• Uses green O-ring sealing points

Detailed Description

The Four Seasons 33316 A/C accumulator is part of the brand’s Accumulator product line, built for HVAC systems that require moisture and contaminant control on the low-pressure side of the air conditioning circuit. Its aluminum housing and complete-unit style support reliable replacement service where the original accumulator uses 3/4-inch female O-ring inlet and 3/4-inch male insert O-ring outlet connections. This part cross-references UAC RD6422C for the same application.

For Audi S4 service, this accumulator matches the listed 1992 Audi S4 and 1993 Audi S4 w/ R12 applications. If you are replacing a leaking or restricted A/C accumulator on these vehicles, part number 33316 provides an OE-style fitment reference for the factory HVAC layout.

Common Problems This Part Can Address

• Refrigerant leakage at the accumulator body or fittings
• Moisture contamination in the A/C system
• Reduced cooling performance from a restricted accumulator
• Improper sealing at worn O-ring connections
• Service replacement for a damaged original accumulator

Installation Notes and Tips

• Verify the vehicle uses the listed inlet and outlet fitting styles before installation.
• Replace O-rings and lubricate them with the correct refrigerant oil during assembly.
• Inspect adjacent A/C components for contamination or wear before recharging the system.
• Confirm the system is evacuated and recharged to the correct specification after installation.
• Use the listed fitment only: 1992 Audi S4 and 1993 Audi S4 w/ R12.

Quality Assurance

Four Seasons 33316 is manufactured to meet or exceed OEM requirements for the specified application. The aluminum construction, OE-style fittings, and direct-fit dimensions support consistent HVAC service on the listed Audi S4 models.