- FEATURED BRANDS
- Blog
- How to Choose a Car Jack
- How to Recharge a Dead Car Battery
- Brake Pad Replacement
- Car Isn’t Warming Up?
- Jumper Cables or Booster Pack?
- Fuel Additives
- See all blog articles
- How to Replace Brake Pads and Rotors
- Complete Guide to Towing a Trailer
- Detailing Products and Expert Advice
- What Are Fuel Additives
- How to Recharge Your Car's AC
- How to Fix a Chip in Your Windshield
- DEALS
In-STORE PICKUP
Same day if available
FREE SHIPPING
On orders $75 and more
Free Returns
Easy & hassle free
NAPA REWARDS
Earn Rewards today!
text.skipToContent
text.skipToNavigation
NAPA Power Brake Booster
NAPA Power Brake Booster
Part #:
NBB 5474211
Line:
NAPA Brake Boosters
Why?
This item is currently not at your store, but is available for order. Please call store to verify the specific location and delivery details for this item. Note that additional shipping charges may be required.
Requested quantity is not available. Please update the quantity below.
Choose Pickup Store
Pickup Item(s):
You may see adjusted pickup dates in your cart for existing items if you change your store.
stores within 120 km of
H1B 5L4
Change
Features & Benefits
Warranty:
Standard : Limited Lifetime
Download
Download
WARRANTY INFORMATION
| Warranty Available for Download |
|
Warranty
|
Designed with the unexpected situations faced by today’s drivers in mind, NAPA Brake Boosters are engineered and tested to deliver maximum braking assist with minimal pedal effort. OE-grade components help ensure maximum vacuum seal, reliable pressure tra
- OE quality components for optimal pressure transfer, and safe operation.
- Manufactured and tested to meet or exceed OE performance specifications for durability.
- Advanced rust preventatives provide superior protection from the elements and long service life.
- OE specification mounting nuts and washers ensure a complete fix every time.
- All threaded ports are checked to prevent cross-threading during installation.
- All booster units are 100% pressure tested, ensuring leak-free performance.
Specifications
| Diaphragm Type | Single Diaphragm |
| Housing Diameter | 10.9 |
| New Components | 100% New Seals, Diaphragms & Check Valves |
| Housing Material | Steel |
| Color | Gray |
| Manufacturer Part Number | 54-74211 |
| Mounting Hardware Included | No |
| VMRS Code | 013006026 |
| Material | Steel |
| Brake Pedal Rod Extension Included | No |
| Brake Service Grade | Regular |
| Brand | NAPA |
| Mounting Bracket Included | No |
| Contents | Booster; Instruction Sheet |
| Stud Thread Size | 3/8 x 16 |
| Booster Type | Vacuum |
| Diaphragm Diameter | 10 3/4 in. Diameter |
| Master Cylinder Included | No |
| OE Manufacturer | Bendix |
| SDS Required | No |
