The Subaru Genuine Thermostat and Gasket Kit (82C) is presented as an OEM repair option for cooling system maintenance. It fits select Subaru engines, maintains a thermostatic opening at 82°C, and includes the housing gasket; dimensions and torque specs match factory service data. Installation is straightforward for a competent DIYer, requires basic tools and coolant drain, and reduces risk of overheating. Questions about vehicle fitment, part numbers, or service interval?
Key Takeaways
- OEM Subaru thermostat kit (PN 21210AA080) fits specified models and opens at 82°C (182°F) for correct engine temperature control.
- Made from factory-grade metal and elastomer gasket, offering durable, factory-tested components and reliable sealing.
- Installation typically takes 30–90 minutes; involves draining coolant, removing the housing, swapping parts, and torquing bolts to ~8–12 ft·lb.
- Users and technicians report easy fit, quick install, and strong post-install performance, reflected in a 4.7/5 average rating.
- Choosing the genuine kit reduces failure risk and repeat repairs, providing better long-term cost efficiency than many aftermarket options.
Why Choose the Subaru Genuine Thermostat and Gasket Kit (82C)
Because a proper cooling-system repair depends on fit, function, and durability, the Subaru Genuine Thermostat and Gasket Kit (82C) is presented as the direct replacement for specific Subaru engines and model years.
Because proper cooling repairs rely on fit, function, and durability, choose the Subaru Genuine Thermostat and Gasket Kit (82C).
It offers measurable performance benefits and cost efficiency for owners seeking OEM reliability.
What are key points? Compatibility lists, OEM manufacturing, 5.3-ounce thermostat weight, and proven 4.7/5 rating.
How does it save money? Reduced failure risk, longer service intervals, fewer repeat repairs.
Practical considerations: verify engine code, note 21210AA080 part number, allow 30–60 minutes installation time, torque specs per service manual, inspect mating surfaces.
Fitment, Specifications, and Quality Assurance
Having established why OEM fit and durability matter, the focus now moves to fitment, specifications, and quality assurance for the Subaru Genuine Thermostat and Gasket Kit (82C).
It addresses fitment accuracy across model years listed, OEM part 21210AA080, weight 5.3 oz, and 82°C (182°F) thermostat rating.
Quality assurance: genuine Subaru manufacture, OEM tolerances, factory-tested components, gasket durability specified for sealing pressure and heat.
Key points:
- Compatibility: precise model-year coverage.
- Temperature: 82°C opening spec.
- Materials: OEM-grade metal, elastomer gasket.
- Warranty: Amazon return window, manufacturer standards.
Installation Experience and Customer Feedback
When installing the Subaru Genuine Thermostat and Gasket Kit (82C), a technician or DIYer can expect a straightforward procedure that typically takes 45–90 minutes depending on experience, tools, and vehicle access.
Common tasks include draining coolant to about 50% concentration, removing the thermostat housing, swapping the 82°C thermostat and OEM elastomer gasket, then torquing housing bolts to factory specs (usually 8–12 ft·lb for many Subaru models — verify the service manual for exact values).
Installation tips: use a torque wrench, replace coolant, inspect hoses.
Q: Any issues?
A: User testimonials report reliable fit, quick install, 4.7-star satisfaction.
Frequently Asked Questions
Does This Kit Include the Housing Bolt or Only Thermostat and Gasket?
Only the thermostat and gasket are included; the housing bolt is not provided. The response notes thermostat material meets Subaru OEM specs and gasket compatibility aligns with listed models, ensuring proper fit without extra fasteners.
Is the Thermostat Pre-Set or Requires Adjustment Before Installation?
211 reviewers note high satisfaction; the thermostat arrives pre-set, requiring no adjustment. The observer recommends following thermostat installation tips to avoid leaks and monitor temperature regulation concerns after fitting, ensuring proper engine warm-up and cooling performance.
Will Using This Part Affect Engine Warm-Up Time Noticeably?
No, it will not noticeably alter warm-up time; the part maintains factory temperature regulation and preserves engine efficiency, so warm-up characteristics remain consistent with original equipment unless other cooling system components or sensors are compromised.
Are Antifreeze Type or Coolant Recommendations Specified With the Kit?
No, the kit does not specify antifreeze recommendations or coolant specifications; the manufacturer expects use of Subaru-approved coolant per vehicle manual. The purchaser is advised to follow the vehicle’s service schedule and specified coolant type.
Can This Thermostat Be Used With Aftermarket Radiators or Hoses?
Yes; testing suggests the thermostat functions with aftermarket parts provided fit and coolant passages match. Thermostat compatibility depends on correct housing alignment, gasket sealing, and compatible hoses/radiator; verify dimensions and quality before installation.
