Shop by truck
Filter products

Shop By Truck

XD533 XDP Black-Phosphate Starter Bolt Kit - GMC/Chevy 6.6L Duramax 2001-2022

SKU: XD533
Mftr. Part#: XD533
The XDP Black-Phosphate Starter Bolt Kit XD533 will replace the stripped bolts on your 2001-2022 GMC/Chevy 6.6L LB7/LLY/LBZ/LMM/LML/L5P

PRODUCT DETAILS (click to expand)

PRODUCT SPECS (click to expand)



Replace the corroded starter bolts on your 2001-2022 GM 6.6L Duramax when you install the XDP Black-Phosphate Starter Bolt Kit XD533. These XDP starter bolts have a durable black phosphate finish to withstand harsh road conditions. This tough coating offers higher adhesion, improved anti-galling properties, and corrosion resistance. These bolts come in a package of 2 and will meet or exceed the factory standards.


  • Direct-Fit Replacement
  • Durable Black-Phosphate Coating
  • Meets Or Exceeds Factory Specifications


2 Year Unlimited Mileage