Semi-Truck Air Lines, Hoses & Fittings Universal
Semi-truck air lines, hoses, and fittings ensure your brakes work smoothly on the road. From flexible nylon tubing to durable rubber hoses and brass fittings, these components are vital for safe braking. Regular checks keep your truck running smoothly. Don't overlook these essentials for a confident and secure drive! Get the best quality replacement parts at 4 State Trucks!
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TPHD 1.91 Inch Bulkhead Fitting Type 2
TPHD
$8.41Bulkhead FittingEnhance your vehicle's fluid connections with this aftermarket Fitting, designed as a Type 2 replacement with a 1.91-inch size. Sold individually, this quality replacement part is crafted to meet or exceed OEM specifications, ensuring...$8.41 -
22 Inch Rubber Air Hose W/ 1/2 In. ID, 3/8 In. NPT
AUTOMANN USA
$12.3422 Inch Air Brake Hose Assembly Replaces 177.7053 * High Quality Air Hose Assembly* Rubber* 1/2 Inch I.D.* 22 Inch Overall Length* 1 Fixed 3/8 Inch Pipe* 1 Swivel 3/8 Inch Pipe* Meets SAE J1402 And DOT FMVSS 106 Requirements* Sold Individually * Warranty...$12.34 -
TPHD 2.16 Inch Bulkhead Fitting Type 4
TPHD
$11.62Bulkhead FittingUpgrade your vehicle's fluid connections with this aftermarket Bulkhead Fitting, designed as a Type 4 replacement with a length of 2.16 inches. Sold individually, this quality replacement part is crafted to meet or exceed OEM...$11.62 -
TPHD 1.5 Inch Bulkhead Fitting Type 3
TPHD
$12.66Bulkhead FittingEnhance your vehicle's fluid systems with this quality aftermarket Bulkhead Fitting. Crafted as a Type 3 replacement with a length of 1.5 inches, this fitting is designed for reliability and durability. Sold individually for your...$12.66 -
TPHD 1 1/2 Inch Bulkhead Fitting Type 3
TPHD
$7.67Bulkhead FittingUpgrade your vehicle's fluid connections with this aftermarket Bulkhead Fitting, designed as a Type 3 replacement. With a length of 1.50 inches and thread sizes of .75 - 16UNS and .25 - 18NPTF, this fitting ensures a secure and precise...$7.67 -
PR-2 Pressure Protection Valve – Replaces Multiple Part Numbers
AUTOMANN USA
$24.67Secure Your System with a Reliable Pressure Protection ValveEnsure the safety and reliability of your hydraulic system with the PR-2 pressure protection valve. Designed to replace part numbers 277147X, EBN277147N, and more, this valve is built to...$24.67 -
Pressure Protection Valve – 55 to 45 PSI
AUTOMANN USA
$31.13Reliable 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...$31.13 -
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 -
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 -
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 -
9/16-Inch 18 Steel O-Ring Boss Plug
AUTOMANN USA
$2.14Durable Steel Plug for Leak-Free Hydraulic System ClosureThe 9/16-inch 18 steel O-ring boss plug is designed to provide a secure, leak-proof closure for your hydraulic systems. Made from premium steel, this plug ensures long-lasting durability and...$2.14 -
3/4-Inch 16 Steel O-Ring Boss Plug
AUTOMANN USA
$2.11Reliable Steel O-Ring Boss Plug for Secure System ClosureEnsure leak-free performance with the 3/4-inch 16 steel O-ring boss plug. Designed to seal your hydraulic system securely, this plug is made from durable steel to provide long-lasting protection...$2.11