TadaMark AC Compressor with Clutch for Dodge Nitro & Jeep Liberty 3.7L V6 — HS18, 6-Groove Pulley, Prefilled PAG46

TadaMark AC Compressor with clutch is a direct-fit replacement for 3.7L Dodge Nitro (2007–2008) and Jeep Liberty (2006–2008) air conditioning systems.

If your vehicle's air conditioning compressor has failed or is leaking, this TadaMark unit restores the compressor function for model-year Dodge Nitro and Jeep Liberty vehicles equipped with the 3.7L V6. It ships prefilled with PAG46 oil (approximately 180±10 mL) and is built to match the HS18 compressor specifications, including a 6-groove pulley and 12V operation. Before installation, the vehicle's A/C system must be flushed and cleaned; the compressor contains oil but requires refrigerant charge after installation.

Will this compressor fit my Dodge Nitro or Jeep Liberty?

Check fitment carefully: this compressor is intended only for vehicles with the 3.7L V6 engine. It replaces multiple original part numbers and is compatible with a range of OE references, making it suitable where those numbers match your vehicle's original compressor.

• Compatible models: Dodge Nitro 2007–2008 V6 3.7L, Jeep Liberty 2006–2008 V6 3.7L.
• Cross-reference part numbers like R5111406AG, 55111-406AD, RL111400AE, CO-10900C, and others listed by the manufacturer.
• Confirm fitment using your vehicle VIN or Amazon’s "Confirmed Fit" tool before purchase.

What are the key technical specifications of this unit?

The TadaMark compressor follows HS18 design standards and is built for 12V systems. It features a 131 mm pulley diameter, 6 grooves, and an 18 mm suction port; the unit comes prefilled with PAG46 oil to the specified volume.

• Compressor type: HS18; pulley diameter: 131 mm; grooves: 6.
• Voltage: 12V; suction port diameter: 18 mm.
• Oil: PAG46, prefilled approximately 180±10 mL; add appropriate refrigerant after installation.

What should I do before and after installing this compressor?

Proper installation requires preparing the vehicle A/C system to avoid premature failure. Flush and clean the entire air conditioning system, replace the receiver/drier or accumulator as recommended, and add the correct refrigerant charge after fitting this compressor.

• Flush system thoroughly to remove debris and contaminants before installing the new compressor.
• Replace associated components (drier/accumulator, orifice tube/expansion device) as needed for reliability.
• After installation, evacuate the system and recharge with the correct refrigerant according to vehicle specs.

What warranty and support does TadaMark provide?

TadaMark backs this compressor with a one-year guarantee and customer support for troubleshooting. If you encounter questions about fitment or installation, contact the seller for guidance and assistance.

• One-year limited guarantee included with the compressor.
• Seller assistance available via message for fitment questions and installation help.
• Verify compatibility with in-store or online fitment tools prior to purchase.

Who is this for: This TadaMark compressor is designed for owners and mechanics working on Dodge Nitro (2007–2008) or Jeep Liberty (2006–2008) vehicles powered by the 3.7L V6 who need a direct-fit replacement. It's suitable for professional installers and experienced DIYers who will flush the A/C system, replace related components as necessary, and recharge the refrigerant to factory specifications. If your vehicle uses a different engine displacement or you cannot confirm the OE part number, choose a model specifically matched to your VIN to avoid compatibility issues.