{"product_id":"alliant-power-glow-plug-relay-for-1994-2002-gm-6-5l-diesel-ap63420","title":"Alliant Power Glow Plug Relay For 1994-2002 GM 6.5L Diesel","description":"\u003cp\u003eAlliant Power AP63420 Diesel Glow Plug Relay controls high-current electrical power to the glow plug circuit on compatible 1994–2002 GM 6.5L diesel applications. Proper relay operation allows the glow plugs to preheat the combustion chambers, supporting dependable cold starts and consistent diesel starting performance.\u003c\/p\u003e\u003cp\u003eThis new direct-fit replacement helps restore glow plug circuit operation when the original relay has worn contacts, sticks, or fails to energize. Its OE-style configuration supports straightforward service on compatible Chevrolet and GMC 6.5L diesel vehicles while multiple OE cross references help confirm the correct application.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eControls electrical power delivery to the glow plug circuit\u003c\/li\u003e\n\u003cli\u003eSupports dependable diesel cold-start preheating\u003c\/li\u003e\n\u003cli\u003eHelps restore operation when the original relay fails\u003c\/li\u003e\n\u003cli\u003eNew replacement for worn or inconsistent relay contacts\u003c\/li\u003e\n\u003cli\u003eOE cross references assist with application verification\u003c\/li\u003e\n\u003cli\u003eSupports reliable high-current glow plug circuit switching\u003c\/li\u003e\n\u003cli\u003eCompact service replacement for diesel starting systems\u003c\/li\u003e\n\u003cli\u003eVerify fitment by OE number before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Alliant Power\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: AP63420\u003c\/li\u003e\n\u003cli\u003eProduct Type: Diesel Glow Plug Relay\u003c\/li\u003e\n\u003cli\u003eCondition: New\u003c\/li\u003e\n\u003cli\u003eEngine: GM 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003eApplication Range: 1994–2002\u003c\/li\u003e\n\u003cli\u003eManufacturing Label: New\u003c\/li\u003e\n\u003cli\u003eCountry\/Region of Origin: US\u003c\/li\u003e\n\u003cli\u003eGross Weight: 0.639 lb\u003c\/li\u003e\n\u003cli\u003eAlliant Catalog No.: APP1644\u003c\/li\u003e\n\u003cli\u003eCross References: 12088560; 12135176; 12496472; 12496475; 1R1372; RY383\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eIncluded:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e(1) Diesel Glow Plug Relay\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1994–1998 Chevrolet C1500\/C2500\/C3500 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1998 Chevrolet K1500\/K2500\/K3500 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1998 Chevrolet C\/K Suburban 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1995–1998 Chevrolet Tahoe 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1996–1998, 2001–2002 Chevrolet Express 2500\/3500 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1997 GMC C1500 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1998 GMC C2500\/C3500 and K1500\/K2500\/K3500 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1998 GMC C\/K Suburban 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1994–1997 GMC Yukon 6.5L Diesel\u003c\/li\u003e\n\u003cli\u003e1996–1998, 2001–2002 GMC Savana 2500\/3500 6.5L Diesel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003eNotes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDirect-fit glow plug relay for 1994–2002 GM 6.5L diesel applications.\u003c\/li\u003e\u003c\/ul\u003e","brand":"Alliant Power","offers":[{"title":"Default Title","offer_id":48900360568989,"sku":"AP63420","price":104.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0645\/2504\/1821\/files\/app1644_1.jpg?v=1789155648","url":"https:\/\/rudysdiesel.com\/products\/alliant-power-glow-plug-relay-for-1994-2002-gm-6-5l-diesel-ap63420","provider":"Rudy's Performance Parts","version":"1.0","type":"link"}