Standard Ignition Secondary Air Injection Pipe P/N:AT137

Keep injected air moving to the exhaust manifold with the Standard Ignition AT137 Secondary Air Injection Pipe / Manifold Air Tube. This right-side tube is a direct-fit replacement for many vehicles, among them the 1980-1982 Ford Mustang, 1980-1982 Ford Fairmont and 1981-1982 Ford Granada. See the Buyer's Guide tab for the full list of applications.

Standard Ignition describes this part as a manifold air tube, and it is also cataloged as a secondary air injection pipe. It carries air from the secondary air injection system to the exhaust manifold. There, the air enters the exhaust stream as part of the vehicle's emission controls.

• Controlled manufacturing: Standard Ignition is a global manufacturer of emission components and keeps quality control in place through the whole production process, from individual components to the finished product.
• Technician-focused engineering: The design draws on decades of industry-leading research and development focused on what technicians need.
• High-grade materials: It is built with the highest-grade materials, intended for precision performance and prolonged life.
• Professional construction: It is built to give today's professionals what they need to get the job done right.

Signs this part may need replacing: ticking or hissing near the exhaust manifold, a smell of exhaust, or a tube that is visibly cracked, damaged or leaking at its connections. Diagnose the cause before you replace the tube, because other exhaust and air-system parts can show the same signs. See the Buyer's Guide tab for engine details.

Interchange: 2-1137 · 779-5337
21137 · 7795337 · EC4208 · E0BZ5F235L · E0BZ9B449L