SKU: 431000 / UPC: 802735040227
Granatelli Billet Thermostat Housing for 2018-2021 Jeep Trackhawk & 2021+ Dodge Durango SRT Hellcat – Natural Color
The 2018-2021 Jeep Grand Cherokee Trackhawk or 2021 Dodge Durango SRT Hellcat with the Granatelli Billet Thermostat Housing, the top-tier choice for performance enthusiasts seeking unmatched cooling efficiency and reliability. Engineered to outperform all competitors, this Natural fiish housing is crafted from premium 6061-T6 aluminum, delivering superior durability and heat dissipation for your high-performance SUV. Designed to prolong thermostat life and optimize engine cooling, this upgrade is the definitive solution for maintaining peak performance under extreme conditions.
Why Granatelli
- Best-in-Class Coolant Flow: Features flush-mount bolts that eliminate the factory housing’s flow-restricting bridge, increasing coolant flow by an impressive 40%. This ensures optimal engine cooling, reducing the risk of overheating during aggressive driving or towing.
- Prolongs Thermostat Life: Reduces head pressure on the thermostat spring, extending its lifespan and maintaining consistent performance.
- Versatile Sensor Integration: Includes a 1/2" pipe thread port for adding a temperature sensor, pressure sensor, or flush-mount pipe plug, offering unmatched customization for performance monitoring.
- Sleek, OEM-Style Installation: Utilizes factory bolts for a seamless, OE look and function, with no gasket required. Installation is straightforward with basic hand tools, making it accessible for DIY enthusiasts.
- Premium Construction: Crafted from billet aluminum with a durable black powdercoat finish, this housing resists corrosion and enhances under-hood aesthetics.
- Unmatched Value: Sold individually with mounting hardware included, this housing delivers professional-grade performance at a competitive price, outshining inferior alternatives.
Included
- Granatelli Billet Thermostat Housing 1pcs.
- Natural finish for durability and style
- Flush-mount bolts
- 1/2" pipe thread port with flush-mount pipe plug option
- Mounting hardware for easy installation
Note: Thermostat not included (compatible with stock or aftermarket thermostats)
Part Numbers:
- SKU: 431000
- Alternate Part Number: 431000B (Black finish variant)
Fitment
- 2018-2021 Jeep Grand Cherokee Trackhawk (6.2L Supercharged HEMI V8)
- 2021-2025 Dodge Durango SRT Hellcat (6.2L Supercharged HEMI V8)
Technical Specifications:
- Material: 6061-T6 Billet Aluminum
- Finish: Natural Finish (Anodized for corrosion resistance)
- Coolant Flow Increase: 40% over stock
- Port: 1/2" pipe thread for sensor or plug
- Water Neck Inlet Size: Stock
- Swivel: No
- Heater Bypass Provision: Yes
- Gasket: Not required
- Mounting: Uses factory bolts for OEM integration
- Tools Required: Basic hand tools
- Weight: 1.0 lbs
- Dimensions: 3.0" W x 3.0" H x 3.0" L
- Quantity: Sold individually
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021+ | Dodge | Durango | SRT Hellcat |
| 2018-2021 | Jeep | Grand Cherokee | Trackhawk |

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