SKU: 30022
Billet Tech Billet Aluminum Water Neck – 5.7L & 6.1L HEMI
The Billet Tech Billet Aluminum Water Neck is a premium upgrade for vehicles equipped with the 5.7L and 6.1L HEMI engines. Machined from solid domestic certified 6061-T6 aircraft-grade aluminum, this water neck replaces the factory cast piece with a precision-machined, show-quality component. It features a fully machined internal chamber for smoother coolant flow and reduced turbulence, along with an integrated inlet tube for optimal performance.
Dramatically improves the appearance of the highly visible engine bay while offering superior strength and durability. If your vehicle has an oil cooler, select the tapped option (fitting included). Installation is straightforward using the factory O-ring seal no silicone or additional sealer required. Made in the USA with meticulous attention to detail.
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
- Direct Replacement – Bolts in place of the factory water neck using the stock O-ring
| Spec | Detail |
|---|---|
| Part Number | 30022 |
| Brand | Billet Tech |
| Type | Billet Aluminum Water Neck (Thermostat Housing) |
| Compatibility | 5.7L & 6.1L HEMI engines (see fitment below) |
| Material | 6061-T6 Billet Aluminum |
| Country of Origin | United States |
| Warranty | Billet Tech Limited Warranty |
Whats Included
- One Billet Tech Water Neck (Silver Raw Aluminum)
- Mounting hardware (as required)
Product Notes
- Designed for 5.7L and 6.1L HEMI engines across multiple Chrysler, Dodge, and Jeep platforms
- If equipped with an oil cooler, select the tapped option (fitting included)
- Lead time may extend up to 12 weeks during holidays or peak periods due to custom engraving
- Professional installation recommended
Installation Notes
- Bolt-on replacement using the factory O-ring seal
- Requires a 13mm ratchet with extension; some coolant loss is normal
- Replace the thermostat gasket if the vehicle has over 45,000 miles
- Estimated time: 1–2 hours
This Part Fits
| Year Range | Make | Model | Engine | Notes |
|---|---|---|---|---|
| 2005-2008 | Dodge | Magnum | 5.7L / 6.1L HEMI | Billet Aluminum Water Neck |
| 2006-2023 | Dodge | Charger | 5.7L / 6.1L HEMI | Billet Aluminum Water Neck |
| 2008-2021 | Dodge | Challenger | 5.7L HEMI | Billet Aluminum Water Neck |
| 2008-2010 | Dodge | Challenger | 6.1L HEMI | Billet Aluminum Water Neck |
| 2005-2021 | Chrysler | 300 | 5.7L HEMI | Billet Aluminum Water Neck |
| 2010-2021 | Dodge | Ram 1500 | 5.7L HEMI | Billet Aluminum Water Neck |
| 2011-2023 | Dodge | Durango | 5.7L HEMI | Billet Aluminum Water Neck |
| 2006-2010 | Jeep | Grand Cherokee | 5.7L / 6.1L HEMI | Billet Aluminum Water Neck |
Why Choose Billet Tech Water Necks?
- 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 water neck fit my 2015 Dodge Challenger 5.7L?
A: Yes, it is compatible with all listed 5.7L and 6.1L HEMI applications. - Q: Do I need to select the tapped option?
A: Only if your vehicle has an oil cooler installed (fitting is included with the tapped version). - Q: Is professional installation recommended?
A: Yes, proper installation includes draining/refilling coolant and checking for leaks.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: Made to order – lead time up to 12 weeks for custom engraving
- Packaging: Secure Billet Tech retail packaging
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