{"product_id":"standard-ignition-ry-604-secondary-air-injection-pump-relay","title":"Standard Ignition RY-604 Secondary Air Injection Pump Relay","description":"\u003ch2\u003eReliable Secondary Air Injection Pump Relay for Select GM and Ford Vehicles\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition RY-604 Secondary Air Injection Pump Relay is engineered to support the emission control system by managing the operation of the secondary air injection pump. Designed for compatibility with a wide range of Buick, Chevrolet, Cadillac, Ford, GMC, and other makes, this 12-volt relay ensures proper air injection system function to reduce harmful emissions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAmperage rating: 30 amps for consistent electrical performance\u003c\/li\u003e\n\u003cli\u003eSquare connector shape with 5 male blade terminals for secure connections\u003c\/li\u003e\n\u003cli\u003eDesigned for 12-volt systems commonly found in passenger and light-duty trucks\u003c\/li\u003e\n\u003cli\u003eRelay function supports secondary air injection pump activation\u003c\/li\u003e\n\u003cli\u003eDoes not include mounting brackets, allowing flexible installation options\u003c\/li\u003e\n\u003cli\u003eTerminal type: blade terminals for reliable electrical contact\u003c\/li\u003e\n\u003cli\u003eContinuous duty: No, suitable for intermittent relay operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe Standard Ignition RY-604 relay is a critical component in the air injection system, responsible for controlling the secondary air injection pump that injects fresh air into the exhaust stream to reduce emissions during cold starts. This relay features a 30 amp amperage rating and a 12-volt operating voltage, matching the electrical requirements of many GM and Ford vehicles. The square connector shape with five male blade terminals ensures a secure and precise fit with the vehicle’s wiring harness. While the relay does not include mounting brackets, it is designed for straightforward replacement in compatible models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis secondary air injection pump relay is compatible with a broad range of vehicles, including Buick models like the Century and LeSabre, Chevrolet trucks such as the Silverado 1500 and Avalanche, Cadillac CTS and Escalade, Ford Mustangs, GMC Sierra series, Hummer H2 and H3, and other makes including Isuzu, Oldsmobile, Pontiac, Saturn, and Suzuki. The part number RY-604 is specifically suited for emission control systems requiring a 30 amp relay with a square connector and five blade terminals.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the RY-604 Relay\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFailure to activate the secondary air injection pump, causing increased emissions\u003c\/li\u003e\n\u003cli\u003eIntermittent or no air injection pump operation leading to failed emissions tests\u003c\/li\u003e\n\u003cli\u003eElectrical relay faults resulting in check engine light codes related to air injection\u003c\/li\u003e\n\u003cli\u003eReduced engine performance during cold start conditions due to air injection system malfunction\u003c\/li\u003e\n\u003cli\u003eCorroded or damaged relay terminals causing poor electrical contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Standard Ignition RY-604 relay, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the relay’s square connector and five blade terminals match the vehicle’s wiring harness. Since mounting brackets are not included, use the existing bracket or secure the relay in a location that prevents vibration and moisture exposure. Testing the relay function before installation can help confirm proper operation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eStandard Ignition parts are manufactured to meet or exceed OEM specifications for reliable performance. The RY-604 relay undergoes rigorous quality control to ensure durability and consistent electrical function. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in material and workmanship to provide confidence in the product’s longevity.\u003c\/p\u003e","brand":"Standard Ignition","offers":[{"title":"Default Title","offer_id":44699462041781,"sku":"FBHK-RY-604","price":12.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/SI_RY604_Fro_22bd9872-d9c3-47e9-bf2f-839739bec557.jpg?v=1775093820","url":"https:\/\/www.partcatalog.com\/products\/standard-ignition-ry-604-secondary-air-injection-pump-relay","provider":"PartCatalog","version":"1.0","type":"link"}