{"product_id":"acdelco-200-4r-accumulator-piston","title":"ACDelco 200-4R Accumulator Piston","description":"\u003cp\u003eQuality replacement 3-4 accumulator piston for the GM 200-4R four-speed overdrive automatic transmission. This ACDelco accumulator is manufactured to OEM specifications for guaranteed fitment in all 200-4R applications. The 200-4R is the factory overdrive transmission for the legendary Buick Grand National and GNX, making quality replacement parts essential.\u003c\/p\u003e\u003cp\u003eFits 1981-1990 Buick Grand National, Regal, GNX, T-Type, 1982-1984 Corvette, 1983-1988 Monte Carlo SS, and other GM vehicles. Precision-manufactured for reliable operation in both stock and performance turbocharged applications.\u003c\/p\u003e","brand":"AC Delco","offers":[{"title":"Default Title","offer_id":50803783991543,"sku":null,"price":40.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6591\/1287\/files\/ph-hard-parts_e94a3cc4-2f5f-4b34-9e06-ab82271d1386.jpg?v=1780071044","url":"https:\/\/coretransmissionparts.com\/products\/acdelco-200-4r-accumulator-piston","provider":"CoreTransmissionParts.com","version":"1.0","type":"link"}