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  3. MISHIMOTO MMTS-Y61-97

MISHIMOTO MMTS-Y61-97 Thermostats Performance 811580034060

Mmts-y61-97 Mishimoto Mm Thermostats Performance Direct Fit Oem Replacement

( Brand: Mishimoto ), ( Part Type: Thermostat ), ( Manufacturer Part Number: MMTS-Y61-97 ), ( UPC: 811580034060 )

Review MISHIMOTO Mishimotomm Ts-y61-97mm Thermostats Performance Direct Fit Oem Replacement

Introducing the Mishimoto MMTS-Y61-97 Performance Thermostat, a high-performance upgrade for your Subaru Impreza WRX or STI (years 1997-2000). This thermostat is designed to provide improved cooling efficiency and faster warm-up times, making it an essential modification for those seeking increased power and reliability from their Subaru.

The Mishimoto MMTS-Y61-97 is a 6-point adjustable thermostat, offering a wider temperature range adjustment than the factory unit. This feature allows you to fine-tune your cooling system to better suit your driving style and climate conditions. The thermostat body is constructed from heavy-duty 6061-T6 billet aluminum, which is both strong and lightweight. It is also anodized for a durable finish and corrosion resistance.

The thermostat housing is designed with OEM-style threading and includes a high-quality O-ring for a secure seal. This design ensures a perfect fitment and leak-free installation, even after numerous thermal cycles. The thermostat also features a large, easy-to-read temperature gauge marking for convenient temperature monitoring.

The Mishimoto MMTS-Y61-97 Performance Thermostat is available in both 1-piece and 2-piece configurations. The 1-piece design provides a more OEM-like appearance, while the 2-piece design offers easier installation and the ability to remove the thermostat without draining the coolant system.

This thermostat is compatible with both gas and diesel Subaru Impreza WRX and STI models from 1997-2000. It is also backed by Mishimoto's Lifetime Warranty, ensuring peace of mind and confidence in your purchase.

In summary, the Mishimoto MMTS-Y61-97 Performance Thermostat is a high-quality, adjustable cooling system upgrade for your Subaru Impreza WRX or STI. With its durable materials, precise temperature control, and easy installation, it is a must-have modification for any Subaru enthusiast looking to improve their vehicle's performance and reliability.

Mishimoto MMTS-Y61-97 Performance Thermostat: A Worthy Upgrade for Your Subaru?

The Mishimoto MMTS-Y61-97 is a high-performance thermostat designed specifically for Subaru vehicles. This thermostat aims to improve cooling efficiency and durability, making it an attractive option for Subaru owners. Let's discuss the pros and cons of investing in this aftermarket part.

Pros:

1. Faster Cooling: The Mishimoto performance thermostat allows coolant to flow faster than the OEM thermostat, ensuring optimal engine temperature for improved performance and reduced heat build-up.

2. Durability: The thermostat housing is made of high-strength aluminum, preventing warping under extreme temperatures and ensuring a longer lifespan compared to the OEM plastic thermostat housing.

3. Better Temperature Control: This thermostat provides better temperature control by maintaining consistent engine temperatures, preventing overheating, and reducing the risk of engine damage.

4. Improved Gas Mileage: By enhancing cooling efficiency, the Mishimoto performance thermostat can potentially lead to improved fuel economy, as the engine doesn't have to work as hard to maintain optimal temperatures.

Cons:

1. Cost: The Mishimoto MMTS-Y61-97 performance thermostat is more expensive than the OEM option, which might be a deterrent for some Subaru owners.

2. Installation Complexity: Installing the high-performance thermostat may require additional time and effort compared to the OEM thermostat due to the unique design and components.

3. Potential Temperature Swings: Although the thermostat provides better temperature control overall, there might be slight temperature swings during the initial adjustment period, which could affect the driving experience.

Conclusion:

The Mishimoto MMTS-Y61-97 performance thermostat offers several advantages, including faster cooling, improved durability, better temperature control, and potentially improved fuel economy. However, it comes with a higher price tag and a more complex installation process. Ultimately, the decision to invest in this aftermarket part depends on the individual Subaru owner's priorities, budget, and technical abilities.

Recommendation:

If you are a Subaru enthusiast seeking improved engine performance, enhanced cooling efficiency, and a more durable thermostat, the Mishimoto MMTS-Y61-97 performance thermostat is an excellent investment. However, if you are on a tight budget or not comfortable with complex installations, the OEM thermostat might be a more suitable choice. In all cases, ensure that the installation is carried out by a professional to ensure proper functioning and optimal results.

Details:

Increase your vehicles performance and value. Colors may vary slightly due to monitor settings. Direct-fit replacement no modification required for supported applications. Typical items are shipped in an appropriate box via UPS.

Package Contents Mishimoto mm TS-Y61-97 as pictured. Ships brand new in original manufacturer packaging. Mishimoto mm Thermostats mm TS-Y61-97 Performance Direct Fit OEM Replacement: 50-State Legal - CARB Compliant. Accurate backed by manufacturer data.

Backed by Mishimoto manufacturer warranty. Direct bolt-on fitment for easy installation. Fast order processing and careful packaging. Smaller items may be shipped in an appropriate envelope using either USPS, UPS or FedEx.

Backed by manufacturer warranty. Always refer to the manufacturers instructions included with product. All necessary mounting hardware if applicable. Items must be in original, unused condition with all original packaging.

Important: Please verify fitment for your specific vehicle before purchasing. MINDFUNNEL RACING From daily street to the track where you compete. Cannot be shipped by ground; air. Genuine Mishimoto Part #MMTS-Y61-97.

Key Features Genuine Mishimoto quality and engineering. Manufacturer Warranty This product is covered by the manufacturers warranty. Is This Right For Your Build. Our Favourite Brands.

part #: mmtsy6197 prices

  • $68.95-$84.99

specifications shroudshell:

  • brand: Mishimoto
  • part type: Thermostat
  • manufacturer part number: MMTS-Y61-97
  • upc: 811580034060

returns shroudshell:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

general shroudshell:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Fan Shroud Assemblies

shipping shroudshell:

  • type: Fixed
  • carrier: UPS
  • cost: $0.00
  • transit: 3-6 Days
  • class: Standard
  • service: UPS Ground

seller shroudshell:

  • rating: 99.4%
  • # reviews: 1125
  • city: Hialeah, Florida

offer shroudshell:

  • best offers: True
  • options: Ship-to-home
  • quantity: 25
  • sold: 0
  • started: March 15, 2026
  • availability: In Stock

payments shroudshell:

  • other
  • credit card: Mastercard
  • wallet: Google-pay
part type: thermostat,
category: auto parts > car truck parts accessories > engine cooling components > fan shroud assemblies, sku: 12339427311647721,

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