Nissens 891074 A/C Compressor

Nissens A/C Compressor for Smart Fortwo

The Nissens 891074 A/C compressor is built to OE standards for dependable air conditioning performance in the 2016-2017 Smart Fortwo. It uses a rotary vane design with a 12V clutch assembly to support smooth operation, low noise, and stable pumping performance under demanding conditions.

Compatible with R134A and R1234YF refrigerants, this compressor is filled with shipping oil only and must be drained and refilled before installation on the Smart Fortwo. The Nissens 891074 is a direct-fit HVAC compressor solution for drivers replacing a worn or noisy unit.

Key Features

• OE-standard Nissens compressor construction
• Fits 2016-2017 Smart Fortwo, N/A
• Part number: 891074
• Rotary vane compressor type: DKV09Z
• Designed for R134A and R1234YF refrigerants
• Compatible with PAG 46 YF refrigerant oil
• 12V compressor with clutch included
• Serpentine belt pulley with 7 grooves
• O-ring included for installation sealing
• 63 cc capacity with oil-filled housing

Detailed Description

Nissens 891074 is an A/C compressor engineered for the 2016-2017 Smart Fortwo and built to meet OE-level expectations for fit and function. Its critical components, including the pulley, clutch, hub, bearing, and wobble plate, are designed to support efficient refrigerant circulation, reduced vibration, and consistent durability in high-load HVAC operation. This makes it a practical replacement for a failing Smart Fortwo compressor when restoring cabin cooling performance.

This part cross-references A4538307000 and 926002090R for the same application. The Nissens 891074 also matches common service requirements for Smart Fortwo A/C compressor replacement, especially when the original unit shows signs of internal wear or clutch-related failure.

What It Helps Solve

• Weak or inconsistent cabin cooling
• Noisy compressor operation or clutch noise
• Compressor seizure or internal wear
• Refrigerant circulation loss in the HVAC system
• Air conditioning performance decline in a Smart Fortwo

Installation Notes and Tips

Fits 2016-2017 Smart Fortwo, N/A. This compressor is filled with shipping oil only, so drain and refill it with the correct PAG 46 YF oil before installation. Verify refrigerant type, belt alignment, and system cleanliness before charging the HVAC system. Replace the included O-rings during installation and confirm the serpentine pulley alignment with the existing drive system.

Quality Assurance

Nissens manufactures this compressor to OE standards and tests it for performance under high-stress operating conditions. The design focus on the pulley, clutch, hub, bearing, and wobble plate supports reliable operation and consistent A/C output in the Smart Fortwo application.