Upgrade your transmission with the Allison 11546890 1000 Transmission Bell Housing Bolt. Designed for 2007.5-2022 2500HD/3500 Silverado/Sierra models, this OEM replacement offers unmatched quality and durability. Featuring M10-1.5x40mm and M8-1.25x20mm threads, it ensures a secure fit with 7 studs per truck, providing enhanced stability and wear resistance. Trust Allison for reliable performance and peace of mind.

• Genuine OEM replacement
• Fits 2007.5-2022 2500HD/3500 Silverado/Sierra
• M10-1.5x40mm and M8-1.25x20mm threads
• Requires 7 studs per truck
• Superior quality and durability