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Genuine GMC Yukon Secondary Air Injection Check Valve
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6 Secondary Air Injection Check Valves found
GMC Yukon Valve Assembly, Secondary Air Injection Check
Part Number: 12567733$106.90 MSRP: $218.06You Save: $111.16 (51%)Ships in 1-2 Business Days
GMC Yukon Secondary Air Injection Check Valve
The Secondary Air Injection Check Valve applied in the GMC Yukon optimizes exhaust flow by admitting fresh air and sealing out harmful back pressure to give cleaner emissions and longer component life. This device is a one-way instrument that is reliable as its diaphragm opens due to the pressure of the pump and immediately closes when the exhaust pushes back. It prevents superheated gases from reaching the hoses and the pump. Each time a cold start occurs, the Secondary Air Injection Check Valve on every GMC slashes unburned hydrocarbons, which helps with air quality. It also allows the catalytic converter to reach operating temperature more quickly. Once cruising, the converter side Secondary Air Injection Check Valve aids oxidation, making use of heat resistant materials that shrug off continuous high temperatures and extend service intervals. Whether your first-generation Yukon is a classic with a belt-driven pump or a modern version with an electric pump, the Secondary Air Injection Check Valve is essentially the same as it was in the beginning. Good original design complies with current emission rules. The check valve is a perfect fit for various trims of the Yukon across five generations. This assures owners that they can easily replace a failing Secondary Air Injection Check Valve with a product that is perfectly functionally and dimensionally compatible. The component prevents reverse flow to the GMC air pump, which would create false lean or rich signals tricking the control module. Additionally, the component maintains optimal fuel efficiency, serving in a safety capacity by maintaining stable engine temperatures. According to many enthusiasts, the GMC system is praised for quiet startups because the Yukon Secondary Air Injection Check Valve prevents the exhaust pulses from echoing back towards the pump. The installation is simple, thanks to factory-matched ports and heavy-duty flanges. These features enable Yukon owners and DIY learners to finish the job quickly using common tools. The high-quality stainless steel components resist corrosion from moisture that may be present in the exhaust paths. That is another reason the GMC valve often lasts well beyond its recommended service span.
Each OEM GMC Yukon Secondary Air Injection Check Valve we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.
