01-16 Chevrolet/GMC Billet Oil Fill Cap For Factory Filler Neck

Precision-machined from durable 6061 Billet Aluminum, this cap not only enhances the visual appeal of your engine bay but also ensures lasting performance. We provide a new o ring to achieve the perfect seal on your trucks oil fill neck and trouble free installation. Engineered to complement other HSP products, this cap can also be coated in any of our standard or custom powder coat options. What comes with the HSP Oil Fill Cap for 2001-2010 Chevrolet/GMC Duramax factory oil fill necks? (1)HSP Oil Fill Cap-Raw (1)O-ring seal What Does The HSP Oil Fill Cap for 2001-2010 Chevrolet/GMC Duramax with the factory Oil Fill Neck fit? 2001-2010 GMC Sierra 2500 2001-2010 GMC Sierra 3500 2001-2010 Chevrolet Silverado 2500 2001-2010 Chevrolet Silverado 3500 LB7: VIN Code 1 LLY: VIN Code 2 LBZ: VIN Code D LMM: VIN Code 6 Special Note: This cap only fits factory oil fill necks on 2001-2010 Duramax engines. This does not fit trucks with aftermarket oil fill necks. Trucks equipped with an afterma