D-Series D16 Upper Coolant Fill Neck AN16 Male Outlet
D-Series Upper Coolant Fill Neck – AN16 Male Outlet
Proper cooling system maintenance starts with having a convenient and effective fill point. The Bull Boost Performance D-Series Upper Coolant Fill Neck is designed to relocate the coolant fill location to the highest point in the system, making coolant refills, air bleeding, and routine maintenance significantly easier.
Perfect for custom radiator installations, tucked engine bays, turbocharged setups, and race vehicles, this fill neck helps eliminate trapped air while promoting more efficient cooling system operation. The integrated design allows for simplified servicing while providing a clean, professional appearance under the hood.
Constructed from high-quality TIG-welded aluminum, this coolant fill neck features a standard radiator cap mounting flange, an integrated overflow fitting, and a male AN16 outlet for compatibility with a wide range of custom cooling system configurations.
Features
- Designed for D-Series engine applications
- Fits D16 engines
- AN16 male outlet for custom cooling system plumbing
- Standard radiator cap mounting flange
- TIG-welded aluminum construction
- Integrated overflow fitting included
- Lightweight and corrosion-resistant design
- Simplifies coolant filling and air bleeding
- Ideal for custom radiators and tucked cooling systems
- Perfect for street, race, turbocharged, and engine swap applications
Engineering & Construction
High-Quality Aluminum Construction
Manufactured from durable aluminum materials to provide long-lasting performance, corrosion resistance, and reduced weight.
TIG-Welded Assembly
Professionally welded for maximum strength, reliability, and leak-free operation under demanding conditions.
Optimized Cooling System Serviceability
Relocates the coolant fill point to improve system bleeding and help remove trapped air pockets commonly found in modified cooling systems.
Custom Cooling System Ready
Designed to work with AN16 plumbing commonly used in performance and motorsport cooling system configurations.
Specifications
- Material: Aluminum
- Finish: Silver
- Outlet Size: AN16 Male
- Overflow Port: Included
- Radiator Cap Compatibility: Standard Radiator Cap
- Construction: TIG Welded
- Condition: Brand New
Package Includes
- (1) D-Series Upper Coolant Fill Neck
- (1) Overflow/Vacuum Barb Fitting
Fitment
- Fits D16 engine applications
- Compatible with custom AN16 cooling system setups
- Suitable for custom radiator installations
- Ideal for tucked radiator configurations
- Designed for performance, racing, and engine swap projects
Installation Notes
Professional installation is recommended.
Please verify hose routing, fitting compatibility, and mounting hardware requirements prior to installation. Factory hardware may not be compatible with all applications.
The Bull Boost Performance D-Series Upper Coolant Fill Neck provides a clean, functional solution for custom cooling systems, making maintenance easier while improving the overall appearance and serviceability of your engine bay.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
D-Series D16 Upper Coolant Fill Neck AN16 Male Outlet
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.