Standard Ignition Secondary Air Injection Pipe P/N:AT156
$128.99
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Help keep fresh air flowing where your emissions system needs it with the Standard Ignition Secondary Air Injection Pipe / Manifold Air Tube AT156. This left-side tube is a direct-fit replacement for many vehicles, among them the 1984-1991 Jeep Grand Wagoneer, 1980-1988 Jeep J20 and 1979-1983 Jeep Wagoneer. See the Buyer's Guide tab for the full list and engine-specific fitment.
This part is listed as both a Secondary Air Injection Pipe and a Manifold Air Tube. It routes air from the secondary air system into the exhaust. There, the added oxygen helps the emissions system burn off unburned exhaust gases.
Quality control throughout: Standard Ignition is a global manufacturer of emission components. It maintains quality control at every stage of production, from the component parts to the finished product.
Technician-focused development: Backed by decades of industry-leading research and development aimed at meeting the technician's needs.
High-grade materials: Made with high-grade materials chosen for precision performance and prolonged life.
Professional construction: Built to give today's professionals what they need to get the job done right.
Signs this tube may need replacing: visible rust, cracks or holes along the tube, a hissing or ticking exhaust leak where the tube connects, or an exhaust odor under the hood. Inspect the air injection system to confirm the cause before replacing any parts.
This part cross-references / interchanges with the following part numbers:
J3234691, EC1294, 2-1156, 779-5356
Frequently Asked Questions
What does the Standard Ignition AT156 do?
It is a left-side secondary air injection pipe, also called a manifold air tube. It carries air from the secondary air system into the exhaust to help the emissions system treat exhaust gases.
Which vehicles does the AT156 fit?
It fits many vehicles, among them the 1984-1991 Jeep Grand Wagoneer, 1980-1988 Jeep J20 and 1979-1983 Jeep Wagoneer. See the Buyer's Guide tab for the full list and engine-specific fitment.
Which side of the vehicle does this tube install on?
The AT156 is cataloged for the left-side position on the listed applications.
What part numbers does the AT156 interchange with?
The AT156 interchanges with 2-1156 (21156), 779-5356 (7795356), J3234691 and EC1294.
How can I tell if my air injection pipe may be failing?
Signs include rust, cracks or holes in the tube and a hissing or ticking exhaust leak where the tube connects. Inspect the system to confirm the cause before replacing any parts.
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WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
