HYDRAULIC BOOSTERS
Hydraulic Brake Booster — Universal
- Factory number
AD-HB145- Style designation
HRB2- Application
- Universal · GM-style 3.375 in four-bolt pattern
- Product family
- Hydraulic boosters
Universal fit — booster only
Matched to the common GM booster bolt pattern and pushrod style rather than to a vehicle catalogue, and typically used on 1960s–1970s GM cars and light trucks. Supplied as the booster only — no clevis. Compare your original unit's mounting pattern and master-cylinder output pin style against the photos before ordering. This is a specification-defined unit, not a vehicle-catalogued part, so a year-and-model lookup will not confirm it.
Confirm this application
Send this reference number with a product photo, vehicle details or a drawing. Our factory team will confirm the application and available interchange references.
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