TECTRAN Air Brake Air Line Fitting Part No: 121-B

$0.93

The 121-B air brake air line fitting hex head plug provides a reliable solution for closing off unused air line ports in commercial truck brake systems. Its precision-threaded design ensures a tight seal, helping prevent air leaks and pressure loss. Built for durability, this fitting supports consistent brake performance and is ideal for maintenance, repairs, or system upgrades on heavy-duty vehicles.

Specifications

The 121-B air brake air line fitting hex head plug is engineered to deliver secure sealing in heavy-duty air brake systems. Featuring a 1/4" pipe thread and durable construction, it helps eliminate air loss by tightly closing unused ports and connections. Its hex head design allows for easy installation and removal during service or system modifications. By maintaining proper air pressure and preventing leaks, this fitting supports consistent braking performance. The 121-B from Wofford Truck Parts is a dependable choice for fleets, repair shops, and owner-operators focused on long-term reliability.

Part Number 121-B
Stock Code 88175
Pipe Thread 1/4"

Weight

0.04

Compatibility

Freightliner (all models)
International/Navistar (e.g., LT/Lonestar, ProStar)
Volvo (e.g., VNL, VNR)
Peterbilt (e.g., 389, 579)
Kenworth (e.g., T680, T880)
Trailers (e.g., Wabash, Great Dane, Utility)