Standard Ignition UF-577 Ignition Control Module

Ignition Control Module for Saab 9-5 and 9-3

Standard Ignition UF-577 is a distributorless ignition control module built for select Saab applications with valve cover mounting. It uses a 12-volt electrical system, a single female connector, and a bolt-on mount with an included bracket for a direct replacement-style installation.

Compatible with Saab 9-5 and Saab 9-3 models across the listed years, UF-577 supports ignition system service where the original module has failed or is no longer delivering consistent spark control. This part number is also referenced as UF-577 in interchange listings for the same application.

Key Features

• 12-volt ignition control module for distributorless ignition systems
• Valve cover mounting with bolt-on design
• Black housing with one female connector
• 10 blade terminals with male terminal ends
• Mounting bracket included
• Cross-reference part number: Beck/Arnley 178-8418

Detailed Product Description

Standard Ignition UF-577 is an ignition control module engineered for distributorless ignition setups used on Saab 9-5 and Saab 9-3 vehicles. The module mounts on the valve cover and connects through a single 10-terminal blade interface, helping restore proper ignition signal control when the original unit is worn, heat-damaged, or electrically unstable. The UF-577 part number appears in multiple interchange listings, making it a practical reference when matching replacement ignition control modules for these Saab applications.

Fits 2007-2009 Saab 9-5, N/A. Fits 2002 Saab 9-5, N/A. Fits 1999-2000 Saab 9-5, N/A. Fits 2003-2009 Saab 9-5, N/A, ignition coil and module assembly. Fits 1999-2001 Saab 9-5, N/A, ignition coil and module assembly. Fits 2000-2002 Saab 9-3, N/A.

Common Issues This Part Can Address

• Engine misfire caused by a failing ignition control module
• Intermittent no-start condition related to ignition signal loss
• Rough idle or hesitation from unstable spark control
• Check engine light tied to ignition system faults
• Heat-related ignition performance problems at the valve cover mount

Installation Notes and Tips

Verify the connector style, terminal count, and valve cover mounting location before installation. Inspect the ignition coil, wiring, and surrounding harness for heat damage or corrosion, since those conditions can affect module performance. Confirm the vehicle’s ignition system configuration matches the listed distributorless application before replacing the part.

Quality Assurance

Standard Ignition supplies ignition components for service replacement applications, and UF-577 is listed with multiple interchange references for the same fitment family. Confirm the part number and vehicle application against the existing module before installation.