Merchant Automotive Up Pipe Bolt Kit 3 Pack, Duramax L5P | 2017 - 2025

Merchant Automotive Up-Pipe Bolt Kit – ARP Hardware (2017–2025 6.6L Duramax)

Upgrade your factory hardware with the Merchant Automotive Up-Pipe Bolt Kit, featuring premium ARP bolts for unmatched strength and reliability. Designed specifically for 2017–2025 GM 6.6L Duramax engines, this kit replaces GM Bolt 11602016 and provides a durable solution for securing the exhaust manifold to up-pipe and turbocharger to up-pipe connections.

Each kit includes three (3) ARP bolts with washers, precision-engineered for a perfect fit and superior clamping force. Four kits are required for a complete engine installation.

Built to withstand extreme heat, vibration, and exhaust pressure, these ARP fasteners deliver lasting performance and peace of mind—whether you’re towing, racing, or running your Duramax hard every day.

Features:

• High-strength ARP bolts with matching washers

• Direct replacement for GM 11602016

• Fits 2017–2025 6.6L Duramax (L5P, L5D)

• Secures exhaust manifold to up-pipe and turbo to up-pipe

• Sold as a set of 3 bolts with washers (4 sets needed per engine)

• Corrosion-resistant and built for high-temperature durability