'63 Power Brake Booster - check valve

[BillyBob]

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.

[regnalbob]

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

[Zedman]

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.

 

[BillyBob]

OK - got it on check valve.

 

??...how is NAPA p/n NBB5473603 for direct replacement ??