SKU: 300707
Billet Tech Billet Aluminum Thermostat Housing (Water Neck) – Dodge Challenger / Charger Hellcat Raw Silver
Machined from solid 6061-T6 certified domestic aircraft-grade aluminum, this water neck replaces the factory cast piece with a superior, precision-machined component. It features a fully machined internal chamber for smoother coolant flow and reduced turbulence, along with an integrated inlet tube for optimal performance and reliability.
This housing dramatically improves the appearance of the highly visible engine bay while offering better strength and durability than the stock part. Designed and manufactured in the USA, it is the ultimate finishing touch for any Hellcat build.
Key Features
- Solid 6061-T6 Aircraft Aluminum – Precision CNC-machined from billet for superior strength and finish
- Fully Machined Internal Chamber – Reduces turbulence and improves coolant flow
- Integrated Inlet Tube – Smooth, optimized coolant routing
- Multiple Finish & Engraving Options – Customizable to match your build
- Direct Replacement – Bolts in place of the factory thermostat housing
Specs
| Spec | Detail |
|---|---|
| Part Number | 300707 |
| Brand | Billet Tech |
| Type | Billet Aluminum Thermostat Housing (Water Neck) |
| Compatibility | Dodge Challenger / Charger Hellcat (6.2L Supercharged) |
| Material | 6061-T6 Billet Aluminum |
| Country of Origin | United States |
| Warranty | Billet Tech Limited Warranty |
Whats Included
- One Billet Tech Thermostat Housing (Raw Silver)
- Mounting hardware (as required)
Product Notes
- Direct replacement for the factory cast thermostat housing on Hellcat models
- Significantly improves engine bay appearance with a precision-machined billet look
- Custom engraving available – lead time may extend up to 12 weeks during peak periods
- Professional installation recommended
Installation Notes
- Bolt-on replacement for the factory water neck
- Estimated time: 1–2 hours (includes coolant drain and refill)
- Professional installation recommended with proper coolant system bleeding
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2015-2023 | Dodge | Challenger / Charger | 6.2L Hellcat / Hellcat Redeye / Demon | Billet Aluminum Thermostat Housing |
Why Choose Billet Tech Thermostat Housings?
- CNC-machined from solid 6061-T6 billet aluminum for superior strength and finish
- Eliminates the poorly cast factory part with a precision, show-quality component
- Custom finishes and engraving options for a truly personalized build
Frequently Asked Questions
- Q: Will this thermostat housing fit my 2018 Dodge Challenger Hellcat?
A: Yes, it is a direct replacement for the factory water neck on all Hellcat models. - Q: How long is the lead time?
A: Lead time can extend up to 12 weeks during holidays or peak periods due to custom engraving. - Q: Is professional installation recommended?
A: Yes, proper installation includes draining/refilling coolant and bleeding the system.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: Made to order – lead time 4 to 12 weeks for custom options
- Packaging: Secure Billet Tech retail packaging
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