Exhaust Manifold Bolt Repair Kit Compatible with Newer GM

TEMSONE Exhaust Manifold Bolt Repair Kit restores a secure, leak-free connection between the exhaust manifold and cylinder head on compatible GM trucks and SUVs.

If you have a broken, seized, or corroded exhaust manifold bolt on a Chevrolet or GMC V8/V6 engine, this repair kit provides a straightforward, durable fix without expensive machining or cylinder head removal. The kit is engineered to fit late-1990s to modern GM 4.8L, 5.3L, 6.0L, and 6.2L applications, delivering a factory-style replacement that resists corrosion and simplifies installation.

Which GM models and engine sizes will this kit work with?

The TEMSONE kit covers a wide range of GM trucks and SUVs built from 1999 onward. It is specifically compatible with Chevrolet and GMC platforms using 4.8L, 5.3L, 6.0L and 6.2L engines across many model years listed.

• Fits Chevrolet Silverado and Tahoe models using 4.8L, 5.3L, 6.0L, 6.2L where specified
• Compatible with GMC Sierra and Yukon lineups including Denali trims
• Also fits Escalade and Hummer variants using the listed engine families
• Covers model years: 1999–2013 for some engines, and up to 2021 for 6.0L applications

How does the repair kit stop exhaust leaks and what parts are included?

The kit replaces damaged or broken manifold bolts and restores clamping force at the manifold-to-head joint, sealing the exhaust path. Components are made from high-quality, corrosion-resistant materials and built to match OE dimensions for a reliable fit.

• Precision-machined bolts and inserts that engage the existing head threads securely
• Corrosion-resistant alloy to withstand heat cycling and road exposure
• Designed to re-establish correct torque and clamping for gasket sealing
• Supplies are sized to match factory spacing and thread specifications

Is installation difficult and do I need to remove the cylinder head?

Installation is designed to be simple for mechanics or experienced DIYers; the kit eliminates the need to remove the cylinder head or perform heavy machining. Typically you place the repair bolts into the correct positions and tighten with standard tools, saving labor time and cost.

• No cylinder head removal required for most repairs
• Install with common hand tools — wrenches and sockets
• Saves time versus drilling or helicoil procedures in many cases
• Includes clear fitment to avoid trial-and-error sizing

What quality and warranty does TEMSONE provide?

TEMSONE manufactures this repair kit to meet OE-style specifications, using materials chosen for durability and corrosion resistance under high-heat exhaust conditions. The product comes with a 12-month warranty and responsive customer support for troubleshooting and replacement.

• Built to factory original-equivalent tolerances for fit and function
• Materials chosen to resist rust and thermal fatigue
• 12-month warranty and ongoing customer service included
• Packaged to protect components until installation

Who this is for: The TEMSONE Exhaust Manifold Bolt Repair Kit is ideal for owners and technicians working on Chevrolet or GMC trucks and SUVs who want a reliable, cost-effective repair for broken or corroded manifold bolts. It suits vehicle restorations, routine exhaust maintenance, and emergency roadside repairs where you need to stop manifold leaks quickly without complex engine disassembly.