{"product_id":"321734-6487779-8089952840-pcv-valve-for-chevrolet-blazer-buick-regal-brougham-cadillac-deville-gmc-k1500-pontiac-bonneville","title":"PCV Valve 6487779 for Chevrolet, Buick, Cadillac and GMC","description":"\u003cp\u003eAn older GM truck comes in for a service and the crankcase ventilation valve still on it is the original one. This replacement cross-references 6487779, 321734 and 12204-U3160-71 and covers many Buick, Cadillac, Chevrolet, GMC and Pontiac models from 1974 to 1998. It suits owners keeping older GM cars and trucks on the road.\u003c\/p\u003e\u003ch2\u003eReplacing a crankcase ventilation valve on a GM engine\u003c\/h2\u003e\u003cp style=\"margin:0 0 6px 0\"\u003e✅ \u003cstrong\u003eReferences to compare\u003c\/strong\u003e OEM references 6487779, 321734 and 12204-U3160-71 let you compare it with the part coming off.\u003c\/p\u003e\u003cp style=\"margin:0 0 6px 0\"\u003e✅ \u003cstrong\u003eWide GM fitment\u003c\/strong\u003e The application list covers Buick, Cadillac, Chevrolet, GMC and Pontiac models built between 1974 and 1998.\u003c\/p\u003e\u003cp style=\"margin:0 0 6px 0\"\u003e✅ \u003cstrong\u003eOne service line\u003c\/strong\u003e On a 1989 K1500 or a 1980 Regal, it is one line on a job already open.\u003c\/p\u003e\u003cp style=\"margin:0 0 6px 0\"\u003e✅ \u003cstrong\u003eShelf spare for a classic\u003c\/strong\u003e Keeping one on the shelf means a weekend drive does not wait on a part order.\u003c\/p\u003e\u003cp\u003eA PCV valve is the small valve in an engine's crankcase ventilation circuit, and on an older engine it is a service item rather than a lifetime part. The body here is plastic, and replacement is a swap of the valve in the same position.\u003c\/p\u003e\u003cp\u003eThe fitment list runs from 1974 to 1998 and covers cars, vans and light trucks, so work from the model year rather than the engine alone: a 1993 Cadillac Allante and a 1995 Chevrolet C3500 both appear, each with its own year range.\u003c\/p\u003e\u003cp\u003eThe single most useful check before ordering is the number on the valve that is coming off. Several OE numbers are given here because the same valve was catalogued under different systems, and the number on the old part may be any one of them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical details\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart: PCV valve\u003c\/li\u003e\n\u003cli\u003eMaterial: Plastic\u003c\/li\u003e\n\u003cli\u003eOEM references: 6487779, 321734, 12204-U3160-71, 1558196, 1558437, 3037972, 4047155\u003c\/li\u003e\n\u003cli\u003eModel numbers: 220003243, 220013117, 900006276, 7N0266, 50107574, 372441, 922825, 70042\u003c\/li\u003e\n\u003cli\u003eMakes covered: Buick, Cadillac, Checker, Chevrolet, GMC, Pontiac\u003c\/li\u003e\n\u003cli\u003eModel years: 1974 to 1998\u003c\/li\u003e\n\u003cli\u003eExample applications: Chevrolet Blazer 1987-1995, Buick Regal 1977-1980, Cadillac DeVille 1982-1985 and 1990-1995\u003c\/li\u003e\n\u003cli\u003eOrigin: Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa2029a9c1dfe467ebfa63c9a5c9adc2ae.jpg?width=1000\u0026amp;height=35\u0026amp;hash=1035\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa2029a9c1dfe467ebfa63c9a5c9adc2ae.jpg?width=1000\u0026amp;height=35\u0026amp;hash=1035\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sed6c77d46abf4759a2cfa6fad4ecea08F.jpg?width=1000\u0026amp;height=1000\u0026amp;hash=2000\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003eMatch the old valve's number to the references here before you order.\u003c\/p\u003e\u003cp\u003eSee more: \u003ca href=\"https:\/\/spy-shop.com\/collections\/repair-maintenance-tools\"\u003ebrowse more repair and maintenance gear\u003c\/a\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"1 PC","offer_id":64123981103434,"sku":"1005012061129095-1 PC","price":22.08,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/Scb7163abb2dc486abd18c259f38db420t.webp?v=1793145497","url":"https:\/\/spy-shop.com\/fr\/products\/321734-6487779-8089952840-pcv-valve-for-chevrolet-blazer-buick-regal-brougham-cadillac-deville-gmc-k1500-pontiac-bonneville","provider":"Spy-shop.com","version":"1.0","type":"link"}