




More delivery methods in checkout
Return this item within 7 days of purchase.
Get an immediate answer with AI
AI-generated from the text of manufacturer documentation. To verify or get additional information, please contact customer service.
Upgrading your braking system? This LEED Brakes dual diaphragm vacuum booster gives you more stopping power with less pedal effort. It's a 7-inch diameter chrome-plated booster with a 1-1/8-inch bore master cylinder mount—perfect for disc/disc or disc/drum setups. Comes with all necessary hardware for a straightforward install. Great for classic car restorations, hot rods, or custom builds where you want reliable power brakes with a shiny finish. Brand new with a 1-year warranty. Makes driving safer and more comfortable, especially in heavier vehicles.
Full details:
- Brand new in box
- Brand: LEED Brakes
- Type: Vacuum brake booster (dual diaphragm)
- Part number: 4L6B4 (OE/OEM same)
- Diameter: 7 inches
- Bore: 1-1/8 inches
- Finish: Chrome
- Fluid type: Use with DOT 3 or DOT 4 only
- Includes: All mounting hardware
- Core charge: None
- Warranty: 1 year
- UPC: 00887753626882
- Vintage part: Yes (but works in many applications)
- California Prop 65 warning applies (cancer/reproductive harm risk)
4.5 out of 5