Granatelli Billet Thermostat Housing w/180 Deg Thermostat 18-21 Jeep Trackhawk
The Granatelli billet thermostat housing upgrade for 2018-2021 Jeep Grand Cherokee Trackhawk. Lower your engine's operating temperature by 20°F with precision CNC-machined billet aluminum housing and high-flow 180° thermostat, improving cooling efficiency, reducing hot spots, and enhancing performance for supercharged Hellcat reliability under extreme conditions.
Key Features
- CNC-Machined Billet Aluminum: Lightweight and corrosion-resistant for superior heat transfer and durability over plastic OEM housings.
- 180° High-Flow Thermostat: Opens earlier for faster warmup and consistent lower temps, preventing overheating in boosted applications.
- O-Ring Sealed Design: Leak-proof fit with reusable O-rings for easy install and long-term sealing without gaskets.
Specifications
| Specification | Detail |
|---|---|
| Part Number | 430180 |
| Material | Billet Aluminum |
| Thermostat Rating | 180°F |
| Finish | Raw Aluminum |
| Flow Rate | High-Flow (20% over OEM) |
| Gaskets/Seals | Integrated O-Rings |
| Country of Origin | United States |
| Warranty | Limited Lifetime |
Product Notes
- Fits 2018-2021 Jeep Grand Cherokee Trackhawk 6.2L Supercharged (WK2); direct replacement for OEM housing
- Compatible with stock cooling systems
- Professional bleeding of coolant recommended post-install.
Installation Notes
- Installation Time: 30-60 minutes
- Difficulty: Moderate
- Tools required: drain pan, torque wrench, coolant flush kit.
- Drain coolant remove OEM housing install new thermostat and billet housing with O-rings torque bolts to 10 ft-lbs refill and bleed system.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2018-2021 | Jeep | Grand Cherokee | Trackhawk 6.2L |
Why Choose Granatelli?
- Engineered for high-performance cooling with billet upgrades trusted in drag racing and supercharged builds.
- USA-made precision CNC machining ensures flawless fit and flow for Hellcat power.
- Limited lifetime warranty with proven results in reducing engine temps for reliability.
Frequently Asked Questions
- Q: What temp does the thermostat open at?
- A: 180°F for quicker warmup and lower operating temps than OEM 195-205°F.
- Q: Does it require coolant flush?
- A: Recommended to remove old coolant and air pockets during install.
- Q: Compatible with aftermarket radiators?
- A: Yes, works with stock or upgraded cooling systems.
- Q: Is it a direct bolt-on?
- A: Yes, replaces OEM housing without modifications.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Official Granatelli retail box
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