Hella 230035391 Ignition Coil

HELLA Ignition Coil for GM V8 Applications

The HELLA Ignition Coil, part number 230035391, is built to deliver stable ignition voltage and spark energy for smoother engine operation and lower exhaust output. It is a bolted ignition coil to distributor design with a 4-pin connector layout, made for select Chevrolet, GMC, Cadillac, Buick, Hummer, and Isuzu applications.

For drivers searching for a replacement ignition coil for a 2003-2007 Chevrolet Express 1500 or a 2001-2006 GMC Yukon, this HELLA unit is engineered for dependable spark delivery and consistent mechanical fit. The 230035391 ignition coil is also cross-referenced to Continental 50016 and Standard Ignition UF-262 for the same application.

Key Features

• Ignition coil to distributor design
• Bolted mounting type with 2 mounting bores
• 4-pole electrical connection
• Built for vibration resistance and corrosion protection
• Tested for performance, mechanical stability, and durability
• Supports smoother engine performance and reduced exhaust emissions

Product Details

HELLA’s ignition coil line focuses on reliable spark output under demanding operating conditions. This coil is designed to maintain ignition voltage and spark energy across a wide range of GM truck and SUV platforms, including Chevrolet Silverado, Tahoe, Suburban, GMC Sierra, Yukon, and related models. The bolted construction and corrosion-resistant design help support long-term service in high-vibration environments.

Compatible With select 1999-2007 Chevrolet Silverado 1500, Silverado 2500 HD, Tahoe, Suburban, Express, and SSR applications, as well as GMC Sierra, Yukon, Savana, and Cadillac Escalade models. Also used on certain Hummer H2, Buick Rainier, and Isuzu Ascender vehicles. Part number 230035391 is a direct-fit style ignition coil for distributor-based systems where the listed connector and mounting specifications match.

Common Symptoms This Part Can Address

• Engine misfire or rough idle
• Hard starting or intermittent no-start condition
• Weak spark output
• Reduced engine smoothness under load
• Check engine light related to ignition performance

Installation Notes and Tips

• Verify the connector style, 4-pole configuration, and bolted 2-bore mounting before ordering.
• Confirm vehicle-specific fitment by year, make, and model, especially on Silverado, Sierra, Tahoe, and Yukon applications.
• Inspect distributor-related components and wiring for wear or corrosion during replacement.
• Use the listed fitment data to match the exact application; some model years have multiple ignition coil configurations.

Quality Assurance

HELLA tests this ignition coil for superior performance, mechanical stability, vibration resistance, and corrosion protection. The result is a replacement ignition component built for consistent operation across the listed GM and related vehicle applications.