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Granatelli 18-21 Jeep Trackhawk Billet Thermostat Housing w/180 Deg Thermostat

GMS430180
802735040135
Thermostats
3 Units In Stock - Ships Next Business Day
$ 199.50 $ 189.53
$ 189.53

SKU: 430180   |   UPC: 802735040135

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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