Semi-Truck Air Lines, Hoses & Fittings Universal
Shop for semi truck air fittings, hoses, and connectors to stop leaks, replace broken lines, rebuild a trailer air setup, and find quick-connect fittings with ease. Snag repair-friendly hardware to ensure your truck has safe, efficient braking on the road
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1/8 Inch Inverted Flare Union SAE Coupler
AUTOMANN USA
$1.77Durable Brass Coupler for Secure Brake Line ConnectionsEnsure reliable and leak-free connections in your brake lines with this 1/8-inch inverted flare union SAE coupler. Crafted from brass, this coupler is designed for durability and resistance to...$1.77 -
3/16 Inch Inverted Flare Union SAE Coupler
AUTOMANN USA
$1.83Durable Brass Coupler for Secure Brake Line ConnectionsEnsure reliable and leak-free connections in your brake lines with this 3/16-inch inverted flare union SAE coupler. Crafted from brass, this coupler is designed for durability and resistance to...$1.83 -
1/4 Inch Inverted Flare Union SAE Coupler
AUTOMANN USA
$1.81Durable Brass Coupler for Secure Brake Line ConnectionsEnsure reliable and leak-free connections in your brake lines with this 1/4-inch inverted flare union SAE coupler. Crafted from brass, this coupler is designed for durability and resistance to...$1.81 -
1/4 Inch Barb x 1/4 Inch Female National Pipe Thread Hose Fitting
AUTOMANN USA
$1.94Durable hose fitting for secure connectionsThis 3/8 inch barb x 1/4 inch female NPT (National Pipe Thread) hose fitting is designed to create tight and reliable connections in your vehicle's fluid systems. Crafted from durable brass materials, it offers...$1.94 -
Pressure Protection Valve – 55 to 45 PSI
AUTOMANN USA
$32.70Reliable Pressure Protection for Your Vehicle's SystemMaintain optimal pressure control with this pressure protection valve, designed to operate between 55 and 45 PSI. A perfect replacement for multiple part numbers (223455, 401154, 918305, 032218), this...$32.70 -
3/4-Inch 16-Inch NPT Steel Adapter – JIC Male/O-Ring Boss M-45
AUTOMANN USA
$10.61Durable Steel Adapter for Secure, Leak-Free ConnectionsEnsure a reliable, leak-free fit with the 3/4-inch 16-inch NPT steel adapter, featuring a JIC male/O-ring boss M-45 design. Built for long-lasting durability, this premium steel adapter is ideal for...$10.61 -
1/4 Inch Barb x 1/8 Inch Female National Pipe Thread Hose Fitting
AUTOMANN USA
$1.32Durable hose fitting for secure connectionsThis 1/4 inch barb x 1/8 inch female NPT (National Pipe Thread) hose fitting is designed to create tight and reliable connections in your vehicle's fluid systems. Crafted from durable brass materials, it offers...$1.32 -
O-Ring Face Seal Female Hydraulic Hose Fitting - 13/16 Inch-16 Thread
AUTOMANN USA
$19.37O-Ring Face Seal Hydraulic Hose Fitting for Secure ConnectionsThis ORFS female hydraulic hose fitting is designed with a 13/16 inch-16 thread size and features an O-ring face seal, following SAE J1453 standards. It connects with hoses that have a 0...$19.37 -
3/8 Inch Barb x 1/4 Inch Female National Pipe Thread Hose Fitting
AUTOMANN USA
$2.26Durable hose fitting for secure connectionsThis 3/8 inch barb x 1/4 inch female NPT (National Pipe Thread) hose fitting is designed to create tight and reliable connections in your vehicle's fluid systems. Crafted from durable brass materials, it offers...$2.26 -
1/2-Inch Barb x 1/2-Inch Female National Pipe Thread Hose Fitting
AUTOMANN USA
$5.35Reliable 1/2-Inch Barb x 1/2-Inch Female NPT Hose FittingThis 1/2-inch barb to 1/2-inch female NPT (National Pipe Thread) hose fitting is designed for a secure connection in fluid and gas systems. Constructed for durability, it offers a leak-proof seal...$5.35 -
3/8 Inch Barb x 3/8 Inch Female National Pipe Thread Hose Fitting
AUTOMANN USA
$5.35Durable hose fitting for secure connectionsThis 3/8-inch barb to 3/8-inch female NPT (National Pipe Thread) hose fitting provides a reliable connection for your fluid or gas system. Constructed from durable materials, it ensures a secure and tight seal,...$5.35 -
Steel Adapter JIC Male / O-Ring Boss M – 45 Degree
AUTOMANN USA
$12.74Durable 45-Degree Steel Adapter for Secure Hydraulic ConnectionsEnsure a tight, leak-proof connection with this steel adapter designed with a 45-degree angle for JIC male and O-ring boss M fittings. Built from premium steel, this adapter is engineered...$12.74