BCBC 5499GMB Engine Timing Chain Guide Bolt

Timing Chain Guide Bolt Overview

The Melling 5499GMB is a timing chain guide bolt for engine timing hardware applications. It is built for stock cylinder head use and is engineered to secure the timing chain guide and tensioner assembly with a direct-fit replacement design.

Key Features

• High alloy steel construction for strength in engine hardware service.
• Class 8.8 fastener rating for dependable clamping performance.
• Zinc clear chromate finish for added corrosion resistance.
• Allen key head drive for service access with common tools.
• Coarse thread design for secure engagement in the application.
• Improved design over the original mounting bolt to reduce service steps.

Detailed Description

The 5499GMB timing chain guide bolt is made to secure timing chain tensioner and guide components so the timing system can operate correctly and efficiently. Melling states that this improved design eliminates the need for labor-intensive drilling and tapping and avoids cylinder head removal during installation. It is manufactured to exacting specifications from high-quality materials for consistent operation. This part cross-references Dorman - OE Solutions 917-954 for the same application.

Compatible with a wide range of GM and Saab applications, including Fits 2011-2017 Buick Regal, N/A; Fits 2012-2017 Buick Verano, N/A; Fits 2010-2017 Chevrolet Equinox, N/A; Fits 2010-2017 GMC Terrain, N/A; and additional stock cylinder head applications listed for Chevrolet Malibu, Saturn Vue, Pontiac G6, and Saab 9-3. The 5499GMB is a practical choice for timing chain guide bolt replacement on vehicles such as the Chevrolet Malibu and Buick Regal when the original fastener needs service.

What It Is Used For

• Loose or worn timing chain guide mounting hardware.
• Timing component retention issues at the cylinder head.
• Service jobs that require a replacement guide bolt with the correct thread and drive type.
• Reduced installation time compared with procedures that require drilling and tapping.
• Replacement of a damaged fastener in stock timing chain hardware applications.

Installation Notes and Quality Assurance

Install using the correct Allen key tool and verify thread engagement before final tightening. This bolt is intended for stock cylinder head applications and should be matched to the listed fitment before service. Melling manufactures the 5499GMB to exacting specifications using high-quality materials for reliable operation.