Nissens 891637 A/C Compressor

OE-Standard A/C Compressor

Nissens part 891637 is an A/C compressor built to OE standards for confirmed applications across Lexus and Toyota models. It is engineered for stable pumping performance, low noise, and reduced vibration in demanding HVAC service.

• Fits confirmed Lexus and Toyota applications with R134A refrigerant systems.
• Pre-filled with oil for service preparation; drain and refill per vehicle requirements.
• Includes a clutch, O-rings, and a 5-pin electrical connector.
• Uses PAG 46 oil and a 12-volt electrical setup.
• Serpentine belt drive with a 7-groove pulley for matched belt engagement.

Detailed Product Overview

This Nissens compressor 891637 uses a TSB19C compressor type and an advanced component design focused on the pulley, clutch, hub, bearing, and wobble plate. Those elements support consistent refrigerant circulation and help control operating noise and vibration. The part number 891637 is listed for Lexus ES350, RX350, and Toyota Avalon, Camry, Sienna, and Highlander applications.

Compatible vehicle coverage includes Fits 2013-2018 Lexus ES350, N/A; Fits 2010-2015 Lexus RX350, N/A; Fits 2013-2018 Toyota Avalon, N/A; Fits 2012-2017 Toyota Camry, N/A; Fits 2011-2016 Toyota Sienna, N/A; and Fits 2011-2013 Toyota Highlander, N/A. This part cross-references UAC CO29042C and Global Parts Distributors LLC 6512814 for the same application.

Common Problems It Can Address

• Weak or inconsistent cabin cooling output.
• Excessive compressor noise or vibration during operation.
• Refrigerant circulation issues in the A/C system.
• Failure related to worn internal compressor components.
• Service replacement needs for OE-style HVAC repair.

Installation Notes

Drain the shipping oil and refill with the correct oil quantity and type specified for the vehicle. Verify the system uses R134A refrigerant and PAG 46 oil before installation. Inspect the belt, pulley alignment, and electrical connector condition during service, and replace the O-rings if the system requires sealing at the compressor connection points.

Quality Assurance

Nissens manufactures this compressor to OE standards and tests it for performance under high-stress operating conditions. The design focus on critical moving parts supports durability and consistent operation in HVAC service.