labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter
labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter is a CNC-machined 6061-T6 aluminum fuel line connector with blue anodized finish, priced at $6.93. Ideal for high-pressure fuel, oil, or turbo systems in performance automotive builds requiring reliable AN flare fittings.
● In stock
Buy at Lab Work Auto →Price and availability may change. Click to see current details on Lab Work Auto.
Key features
- CNC-machined 6061-T6 aluminum construction
- Blue anodized finish for corrosion resistance
- Supports -4 to -12 AN JIC male flare threads
- T-style union for three-way fluid line branching
- Precision-toleranced for leak-free sealing
- Suitable for fuel, oil, and turbo applications
- Lightweight design ideal for performance builds
Pros
- +Durable anodized aluminum resists rust
- +Precise fit ensures reliable connections
- +Cost-effective at $6.93 for quality build
- +Versatile across multiple AN sizes
- +Lightweight compared to steel fittings
Cons
- −Not for use with non-AN hose systems
- −Aluminum less durable than steel under impact
About labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter
What is labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter?
The labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter is a precision-engineered T-style union fitting designed to connect three AN (Army-Navy) flare lines in fuel, oil, or turbo systems. Constructed from lightweight 6061-T6 aluminum and featuring a durable blue anodized coating, this fitting supports high-pressure fluid transfer applications common in performance automotive and racing setups. It's compatible with -4 AN to -12 AN hose lines, making it a versatile component for custom fuel rail, oil cooler, or boost line configurations.
Key features
- Material — Made from high-strength 6061-T6 aluminum for lightweight durability.
- Finish — Blue anodized surface treatment resists corrosion and enhances wear resistance.
- Thread Compatibility — Supports JIC -4 to -12 AN male flare threads across all three ports.
- Precision Machining — CNC-machined to exact tolerances for leak-free, reliable connections.
- Function — T-style union allows branching of fluid lines in tight engine bay spaces.
- Application Range — Fits fuel lines, oil systems, turbocharger hoses, and injector rails.
- Design — Flare-type threads ensure secure, vibration-resistant sealing under pressure.
Who is labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter for?
This fitting is ideal for automotive enthusiasts, DIY performance tuners, and professional mechanics building or modifying forced-induction engines. It suits users working on fuel system upgrades, oil cooling setups, or turbo manifold installations where reliable, high-flow connections are critical. Its compatibility with standard AN lines makes it a go-to for custom plumbing in street rods, race cars, and diesel performance builds.
How does labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter compare?
Compared to steel or brass fittings, this aluminum version offers significant weight savings without sacrificing strength, while the anodized finish provides better corrosion resistance than bare metal alternatives. Unlike plastic or low-grade adapters, it maintains integrity under high heat and pressure. It matches the performance of OEM-spec AN fittings but at a lower cost than many branded aftermarket options, making it a smart choice for budget-conscious builders who still demand precision and reliability in fluid system components.
Best use cases
- →Turbocharger boost line junctions
- →Fuel rail distribution manifolds
- →Oil cooler line branching
- →Performance engine bay plumbing
- →Custom AN hose system builds
Is labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter right for you?
This fitting is best for intermediate to advanced automotive DIYers upgrading fuel or oil systems. If you're working with AN-style hoses in turbo or high-performance engines, this adapter offers reliable, leak-resistant performance. For stock replacements or non-AN systems, consider OEM-style connectors instead. Always verify AN size compatibility before purchase.
How it compares: Compared to standard polypropylene or brass T-fittings, this aluminum AN union offers superior pressure handling and heat resistance. It's lighter than steel alternatives and more durable than plastic fittings, making it ideal for performance fuel and oil systems where reliability matters.
More from Lab Work Auto
#63P-81950-00-00 TRIM RELAY For YAMAHA OUTBOARD F150 & 250 Part
$17.80
(4 pcs) For Ford F-150 Bed Interface Plates Standard Tie Down FL3Z9928408AB
$16.82
-6 An X 5/16-24 O Ring Hydroboost Spittier/Return Port Fitting Car Accessories
$8.20
-6AN AN6 Fuel Adapter Fitting to 3/8 Quick Connect LS W/ Clip Female Black GM
$7.91Frequently Asked Questions
What sizes does the labwork AN tee fitting support?
▾
It supports -4 AN to -12 AN JIC male flare threads on all three ports, allowing connection of matching female AN lines. Each port is sized identically, so -8-8-8 means all three are -8 AN compatible.
Does this fitting work with gasoline and ethanol blends?
▾
Yes, when used with compatible AN hoses, this aluminum fitting safely handles gasoline, ethanol blends, oil, and other automotive fluids in high-pressure fuel systems.
How does the blue anodized finish improve performance?
▾
The anodized coating adds a protective layer that resists corrosion, enhances surface hardness, and improves longevity in harsh engine environments with heat and moisture exposure.
Is this fitting suitable for diesel performance builds?
▾
Yes, it's commonly used in diesel tuning for high-pressure fuel and oil systems, especially when upgrading to aftermarket turbo or injector lines with AN hose setups.
Can I use this tee fitting in a water-cooling system?
▾
While designed for fuel and oil, it can work in water systems if paired with compatible seals and hoses, but verify chemical compatibility to prevent degradation over time.
How much does labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter cost?
▾
labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter is $6.93 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter in stock at Lab Work Auto?
▾
Yes, labwork Aluminum 4-12AN Thread Flare Tee Union T Pipe Fuel Hose Fitting Adapter is currently in stock at Lab Work Auto.
Specifications
- SKU
- F8-017392