Four Seasons 57303 A/C Compressor

Reliable A/C Compressor for Mercedes-Benz Models

The Four Seasons Reman Compressor 57303 is designed to restore efficient air conditioning performance in select Mercedes-Benz vehicles. Engineered as a remanufactured 10p15c compressor, it supports R134a refrigerant systems and is compatible with Pag 46 refrigerant oil, ensuring proper lubrication and cooling.

• Remanufactured Four Seasons Reman Compressor part number 57303
• Compatible with Mercedes-Benz models including 190E, 260E, 300CE, 300D, 300E, 300SD, 300SDL, 300SE, 300SEL, 300TD, 300TE, and S350
• Designed for R134a refrigerant and Pag 46 oil type
• 10p15c compressor type with tangent mount and pad mount suction and discharge ports
• Includes speed sensor switch; clutch and mounting hardware not included
• Non-clutch coil clock position and pulley belt type
• Equipped with four green O-rings (part number 24613) for sealing

About the Four Seasons Reman Compressor Line

The Four Seasons Reman Compressor line offers remanufactured A/C compressors that meet strict quality standards to provide reliable performance and durability. This remanufactured compressor 57303 is built to restore factory-level function for Mercedes-Benz vehicles requiring a Nippondenso 10p15c compressor type. The reman line focuses on reconditioning core components while ensuring compatibility with original refrigerant and oil specifications.

Product Details and Specifications

This A/C compressor is specifically designed for use with R134a refrigerant and requires Pag 46 compatible refrigerant oil to maintain optimal operation. The compressor features a tangent mount style and pad mount suction and discharge ports, facilitating proper installation in the specified Mercedes-Benz models. The coil clock position and pulley belt type are non-clutch, and the clutch is not included with this unit. A speed sensor switch is included to support system monitoring. Four green O-rings (part number 24613) are provided for sealing connections. Note that mounting hardware is not included, and installation may require the use of the original equipment manifold.

Common Applications and Issues Addressed

• Replacement for failing or noisy A/C compressors in Mercedes-Benz 190E, 260E, 300CE, and related models
• Restores proper refrigerant compression and circulation in R134a systems
• Resolves issues with insufficient cabin cooling or intermittent A/C operation
• Addresses compressor clutch engagement problems by providing a non-clutch compressor unit
• Supports vehicles with speed sensor switch requirements for system diagnostics

Installation Notes and Tips

When installing the Four Seasons Reman Compressor 57303, ensure compatibility with the vehicle’s original refrigerant oil type (Pag 46) and refrigerant (R134a). Since the clutch and mounting hardware are not included, reuse existing components or source separately as needed. The compressor’s tangent mount and pad mount ports require careful alignment during installation. It may be necessary to use the original equipment manifold to complete the installation properly. Verify that the speed sensor switch is connected correctly to maintain system functionality.

Quality Assurance and Warranty

Four Seasons remanufactured compressors undergo rigorous testing to meet performance and durability standards. The Reman Compressor 57303 is built to provide reliable operation consistent with OEM specifications. Warranty coverage details should be confirmed with the distributor or installer, as they may vary by region and application.