Skip to content
Submit
Close search
Home
Products
expand
collapse
Products
AutoPlumb
Aeroflow
Mock Up Templates
expand
collapse
Mock Up Templates
Mock Up Instructions
Templates
Configuring Your System
expand
collapse
Configuring Your System
How to Configure Your System
Common Configurations
Instructional Videos
Photo Gallery
Reviews
Policies
expand
collapse
Policies
Return Policy
Shipping Policy
Privacy Policy
About Us
Shipping Notice 🚚: Orders from 10/22/25 - 10/27/25 have begun shipping. Please allow 2-3 business days processing time for orders placed beyond 10/27/25. Thanks for your patience, we'll get your parts on the way ASAP.
Submit
Search
Log in
expand/collapse
Cart
Cart
Home
Products
expand
AutoPlumb
Start Your Conversion Here
Radiator/Pump to AN Adapters
AN Thermostat Housings
-16AN & -20AN Hose Ends & Fittings
-16AN & -20AN Hose
ORB to AN Adapters
NPT to AN Adapters
Hose Barb to AN Adapters
Heater Hose to AN Conversion
AN In-Line Fillers & Couplers
Replacement Parts and Tools
AutoPlumb Apparel
Aeroflow
AN Hose Ends
AN Hose
AN Fittings
NPT Fittings
ORB Fittings
Air Conditioning Fittings, Adapters, & Bulkheads
Heater Hose to AN Conversion
Billet Bulkhead Plates and Inserts
Hardline, Adapters, Tube Nuts, & Tools
Brake Plumbing, Fittings, Tubing, PTFE Hose
Fuel System Plumbing
Oil System Plumbing & Coolers
Mock Up Templates
expand
Mock Up Instructions
Templates
Radiator/Pump to AN Adapter Templates
AN Thermostat Housing Templates
AN Hose End Templates
Dual AN Hose End Templates
Female to Male Flare AN Adapter Templates
AN Hose Radius Template
AN In-Line Filler Templates
Configuring Your System
expand
How to Configure Your System
Common Configurations
LS Configurations
Instructional Videos
Photo Gallery
Reviews
Policies
expand
Return Policy
Shipping Policy
Privacy Policy
About Us
Stepped ( Reducer) Male Flare Union's
SKU:
AF815-04-03BLK
Regular price
$4.20
Sale
AN to AN
-4 to -3
-6 to -3
-6 to -4
-8 to -4
-8 to -6
-10 to -4
-10 to -6
-10 to -8
-12 to -4
-12 to -6
-12 to -8
-12 to -10
-16 to -10
-16 to -12
-20 to -12
-20 to -16
Color
Black
Silver
-4 to -3 / Black
-4 to -3 / Silver
-6 to -3 / Black
-6 to -3 / Silver
-6 to -4 / Black
-6 to -4 / Silver
-8 to -4 / Black
-8 to -4 / Silver
-8 to -6 / Black
-8 to -6 / Silver
-10 to -4 / Black
-10 to -4 / Silver
-10 to -6 / Black
-10 to -6 / Silver
-10 to -8 / Black
-10 to -8 / Silver
-12 to -4 / Black
-12 to -4 / Silver
-12 to -6 / Black
-12 to -6 / Silver
-12 to -8 / Black
-12 to -8 / Silver
-12 to -10 / Black
-12 to -10 / Silver
-16 to -10 / Black
-16 to -10 / Silver
-16 to -12 / Black
-16 to -12 / Silver
-20 to -12 / Black
-20 to -12 / Silver
-20 to -16 / Black
-20 to -16 / Silver
Add to cart
Stepped ( Reducer) Male Flare Union's
Share
Share on Facebook
Tweet
Tweet on Twitter
Pin it
Pin on Pinterest
SKU:
AF815-04-03BLK
