21110AA330 Subaru — OEM alternatives and cross-reference

thermostat with part number 21110AA330 is an original part manufactured by Subaru, category: thermostat. Thermostat Subaru. Opening temperature 87°C (±2°C), fully open at 102°C. Below you will find a complete list of compatible alternatives and vehicle applicability.

Original Part Specifications

Compatible Alternatives (6)

Compatible Vehicles

• Subaru Impreza GD 2000-2007
• Subaru Legacy BP 2003-2009
• Subaru Forester SG 2002-2008
• Subaru XV GP 2012-2017
• Subaru Outback BP 2003-2009

How to Choose an Alternative

When selecting an alternative for 21110AA330, consider:

1. Exact part number match — verify the cross-reference with the alternative manufacturer.
2. Country of manufacture — Germany and Japan are preferred for critical components.
3. Warranty — reputable brands (Bosch, Denso, TRW, Brembo) offer 12–24 month warranties.
4. Packaging — original branded packaging reduces the risk of counterfeit parts.

Frequently Asked Questions

What is the difference between 21110AA330 OEM and an alternative?

Alternatives meet the same technical specifications as the original. The difference is in the manufacturer and price. Quality alternatives from Bosch, Denso, TRW match OEM performance.

How to verify alternative compatibility with my vehicle?

Check the part number via cross-reference on the manufacturer’s website or in the TecDoc catalog. Confirm your VIN falls within the part’s applicability range.

How much does 21110AA330 and its alternatives cost?

Alternatives are typically 20–60% cheaper than OEM with comparable quality.