Bosch 1986AD1305 A/C Compressor

Overview

Bosch A/C Compressor 1986AD1305 is an OE-spec replacement compressor built for Mercedes-Benz HVAC systems. It is engineered around precise casting, pulley, and connector specifications to support straightforward replacement and consistent system operation.

Compatible with Mercedes-Benz C63 AMG, C300, GLK350, C350, E350, and E63 AMG applications, this compressor uses R134A and R1234YF refrigerants and is filled with PAG YF 46 oil. The 6-groove pulley, 12-volt coil, and included seal ring support a direct-fit service approach.

Key Features

• Bosch A/C compressor, part number 1986AD1305
• OE-style dimensions and connector specifications for accurate replacement fitment
• Supports R134A and R1234YF refrigerant systems
• Pre-filled with PAG YF 46 oil
• 6-groove pulley with 110 mm outside diameter
• 12-volt coil voltage for standard automotive HVAC operation
• Includes seal ring

Detailed Description

Bosch applies OE manufacturing experience to this A/C compressor to match factory-style casting, pulley, and electrical connector requirements. The result is a replacement compressor intended for Mercedes-Benz C63 AMG, C300, GLK350, C350, E350, and E63 AMG fitments where correct refrigerant handling and pulley alignment matter. Part number 1986AD1305 is also cross-referenced to 0022303111 for the same application.

The compressor is configured for R134A and R1234YF refrigerants and uses PAG YF 46 oil. Bosch also subjects this product line to endurance, performance, vibration, leak, salt spray, and noise testing to verify durability under demanding operating conditions.

What It Helps Fix

• Weak or inconsistent cabin cooling
• Compressor noise during A/C operation
• Refrigerant leakage at the compressor assembly
• Improper pulley or connector match during replacement
• Loss of A/C performance from a worn compressor

Installation Notes and Tips

Verify refrigerant type, pulley groove count, and connector style before installation. Confirm the vehicle uses the listed Mercedes-Benz application and match the OE specification for casting and electrical connections. Replace the seal ring as part of the service procedure and follow the correct evacuation, oil, and recharge steps for the system.

Quality Assurance

Bosch backs this A/C compressor with OE manufacturing experience and a release process that includes endurance, performance, vibration, leak, salt spray, and noise testing. These checks are used to confirm fit, function, and durability for the specified Mercedes-Benz applications.