【FITMENT】Brand-New Power Brake Booster Assembly 2005-2006 For Chevrolet Silverado 1500 4.3L, 4.8L, 5.3L, 6.0L; 2007 For Chevrolet Silverado 1500 Classic 4.3L, 4.8L, 5.3L, 6.0L; 2005-2006 For GMC Sierra 1500 4.3L 4.8L, 5.3L, 6.0L; 2007 For GMC Sierra 1500 Classic 4.3L, 4.8L, 5.3L, 6.0L 【OEM STANDARD】Part Number 54-74829, 5474829, 15250764, 15804966, 15840835. This is 100% direct replacement for original,to confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model in the Compatibility Table(on the top of the page)before purchasing 【SPECIFICATIONS】Push Rod Included: Yes; Brake Booster Diaphragm: Dual; Diaphragm Diameter (IN): 11.51; Diaphragm Diameter (MM): 292.354; Master Cylinder Stud Thread: M10 x 1.5 【FUNCTION】O.E. quality seals, designed to considerably reduce brake pedal effort without losing control of the brake application, A premium brake booster makes your driving reassured, easier and more reliable.We will offer good customer experience, Our products will be the good choice for your car 【SPECIAL NOTES】The brake booster is not a experienceable unit. If the booster fails, then the old booster has to be removed from the vehicle so that it can be replaced. SCITOO Power Brake Booster with - coating surface finish which can effectively prolong the life-time Vacuum Brake Booster Functionality
Power brake boosters multiply the force exerted by the driver through the brake pedal to offer the necessary clamping power of the brake pads on the brake rotor.
The master cylinder is directly connected to the power brake booster. The multiplied force from the booster allows the master cylinder piston to be depressed with ease.
Brake fluid is then directed to the brake calipers or wheel cylinders to complete the stop.
Modern, power-assisted brake systems stop , require less effort and are therefore reassured than older manual brake systems.

Vehicle Application
For Chevrolet Silverado 1500 4.3L 2005-2006
For Chevrolet Silverado 1500 4.8L 2005-2006
For Chevrolet Silverado 1500 5.3L 2005-2006
For Chevrolet Silverado 1500 6.0L 2005-2006
For Chevrolet Silverado 1500 Classic 4.3L 2007
For Chevrolet Silverado 1500 Classic 4.8L 2007
For Chevrolet Silverado 1500 Classic 5.3L 2007
For Chevrolet Silverado 1500 Classic 6.0L 2007
For GMC Sierra 1500 4.3L 2005-2006
For GMC Sierra 1500 4.8L 2005-2006
For GMC Sierra 1500 5.3L 2005-2006
For GMC Sierra 1500 6.0L 2005-2006
For GMC Sierra 1500 Classic 4.3L 2007
For GMC Sierra 1500 Classic 4.8L 2007
For GMC Sierra 1500 Classic 5.3L 2007
For GMC Sierra 1500 Classic 6.0L 2007

Reference Number
54-74829, 5474829, 15250764, 15804966, 15840835