Overview

The Sunair CA-315A is a 12-volt air conditioning compressor clutch built for York-compatible systems used across on-highway, off-highway, and stationary HVAC platforms. This York-style assembly provides positive compressor engagement and disengagement to maintain cabin or cab climate control. It features a two-wire lead set with bullet-style terminals for quick, secure electrical connection in 12 V circuits, supporting straightforward field replacement and service.

Fit and Specifications

Engineered around common York mounting standards, the CA-315A uses a 152 mm clutch diameter with a 70 mm mounting distance for drop-in compatibility on York compressor heads. Key technical dimensions—178 mm maximum clutch diameter and 49 mm clutch-to-mounting flange—aid clearance verification during planning. A C1 single-groove profile maintains belt alignment, while the keyed hub provides reliable torque transfer to the compressor. Combined, these features help minimize install time and ensure consistent cycling performance in demanding duty cycles.

Installation and Service

The two-lead, bullet-terminal configuration integrates cleanly with typical mobile A/C harnesses, reducing connection time and improving serviceability. Verify compressor family, groove profile (C1), and critical dimensions (152 mm diameter, 70 mm pad distance) prior to replacement for best results. As a York-style component, the CA-315A integrates seamlessly with existing York compressor assemblies in automotive, light commercial, and other mobile HVAC applications.