{"product_id":"acdelco-200-4r-accumulator-piston-oem","title":"ACDelco 200-4R Accumulator Piston OEM","description":"\u003cp\u003eQuality OEM accumulator piston for the GM 200-4R four-speed overdrive automatic transmission. This ACDelco component is manufactured to OEM specifications for guaranteed fitment and reliable performance in all 200-4R applications. Essential for any professional rebuild of the transmission used in the legendary Buick Grand National, GNX, and other classic GM performance vehicles.\u003c\/p\u003e\u003cp\u003eCompatible with all 1981-1990 200-4R transmissions in Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, Monte Carlo SS, and other GM vehicles. Professional quality ensures consistent performance and long service life.\u003c\/p\u003e","brand":"AC Delco","offers":[{"title":"Default Title","offer_id":50803787596023,"sku":null,"price":31.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-piston_f561f010-141b-473d-85d4-5cb264002375.jpg?v=1780071092","url":"https:\/\/coretransmissionparts.com\/products\/acdelco-200-4r-accumulator-piston-oem","provider":"CoreTransmissionParts.com","version":"1.0","type":"link"}