Specification AutomotiveFitType : vehicle_specific_fit Brand : JDWEEYU BulletPoint1 : Accurate - The original process is as accurate as the original parts. Each accessory goes through strict production standards to accurately adapt to your model. Before purchasing, please be sure to enter your vehicle model information in the Amazon accessories tool to confirm whether the product is suitable for your vehicle. BulletPoint2 : Excellence: It adopts strict production standards, excellent product performance, corrosion resistance, and not easy to aging. Install our parts to experience extraordinary driving performance and make your journey more enjoyable BulletPoint3 : Easy Installation: This item is designed for quick and convenient installation on your own, without requiring professional installation BulletPoint4 : Condition: 100% New in original factory packaging, never used or installed. Pristine condition ensures quality and performance of the product. BulletPoint5 : After-sales - 30 days free return and refund for product problems. If you have any questions, please contact us in time. We will reply to you as soon as possible (within 12 hours) to help you solve the problem BulletPoint6 : Built Standard: Care to Meet Industry Standards for Quality Control, Ensuring Reliable and Consistent Performance BulletPoint7 : Stud Thread Size:M10 X 1.50 BulletPoint8 : Engine:V8 5.3 L,V8 6.0 L,V8 8.1 L,V6 4.3 L,V8 4.8 L,V8 5.7 L,V8 6.6 L BulletPoint9 : Built Standard: Care to Meet Industry Standards for Quality Control, Ensuring Reliable and Consistent Performance ExteriorFinish : machined ExternallyAssignedProductIdentifier : 4881908572112 FitType : Vehicle Specific Fit IncludedComponents : Shown in the picture ItemName : JDWEEYU Vacuum Power Brake Booster Steel for Chevy for Cheyenne 2007-2011 for Silverado 1500 2007-2011,for GMC for Sierra 1500 2007-2011 Black 10.566-Diaphragm Diameter (in) 5474431 54-74431 ItemPackageDimensions_Height : 16 centimeters ItemPackageDimensions_Length : 37 centimeters ItemPackageDimensions_Width : 35 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : trailer-brakes Manufacturer : JDWEEYU ModelName : trailer-brakes ModelNumber : A86007-15886470 NumberOfItems : 1 PartNumber : BJXA86007-15886470 ProductDescription : Fitmentfor Chevyfor Cheyenne 2007-2011for Silverado 1500 2007-2011for GMCfor Sierra 1500 2007-2011NoteWithout /BrItem OfferedPackage Quantity:1MaterialSteelPart Number5474431,54-74431,15886470Brake Booster Diaphragm StyleDualColorBlackDiaphragm Diameter (in)10.566IncludedNoPart NameVacuum Power Brake BoosterQuantity Sold1pcStud Thread SizeM10X1.5EngineV8 5.3 L,V6 4.3 L ,V8 6.0 L,V8 4.8 L,V8 6.2 LFeatureItem Type ProductSiteLaunchDate : 2025-06-01T06:01:30.668Z Size : Single Brake Drum Style : Single Brake Drum SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 25170000 WarrantyDescription : 12 Months