BillyBob Posted March 26, 2023 Report Share Posted March 26, 2023 Looking for power brake booster check valve. Parts manual indicates p/n: 1156983. Source, please. While I'm in the neighborhood, where to go for a rebuild of the power brake booster? Thanks. Link to comment Share on other sites More sharing options...
regnalbob Posted March 27, 2023 Report Share Posted March 27, 2023 (edited) The correct part number is 1559721. An exact replacement is available here. Part number 1481375. https://www.fusickautomotiveproducts.com/searchprods.aspar 1481375 Bendix Power Brake Check Valve - Olds 1964-66 Full Size Bendix units only! 1964-66 Oldsmobile 88, Super 88, 98, Jetstar, Starfire 1966 Oldsmobile Toronado and Delta 88 1962-65 Cadillac all models $28.50 Edited March 27, 2023 by regnalbob Link to comment Share on other sites More sharing options...
Zedman Posted March 27, 2023 Report Share Posted March 27, 2023 Hi BillyBob. I started a thread on a Boster rebuild query in the 1965 to 1983 Avanti II forum recently. It has some helpful info there. Link to comment Share on other sites More sharing options...
BillyBob Posted March 30, 2023 Author Report Share Posted March 30, 2023 OK - got it on check valve. ??...how is NAPA p/n NBB5473603 for direct replacement ?? Link to comment Share on other sites More sharing options...
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