Replacement Ignition Coil for GM General Motors 1115157 multi-application

Replacement for GM General Motors 1115157 ignition coil in multi-application vehicle setups. This component provides the electrical conversion needed to support spark generation in the ignition system. It aligns with the original part dimensions and connection points for installation without modification to existing wiring or mounting locations. Engine performance depends heavily on a stable ignition source and this replacement unit delivers consistent high-voltage output across varying engine loads and temperatures. Drivers often notice smoother idle, quicker starts, and reduced misfire events once the new coil is in place. Manufactured from durable materials that resist vibration, heat cycling, and moisture intrusion, the coil maintains electrical integrity for extended service intervals. Internal windings are precision wound to achieve the correct inductance values required for efficient energy transfer from the primary to the secondary circuit. Every unit undergoes dielectric testing and resistance verification before packaging to ensure it meets or exceeds the functional parameters of the original equipment part.

Key Features & Benefits

• Converts battery voltage to high voltage output for spark plugs
• Designed to match the electrical resistance and output characteristics of the referenced MPN
• Supports consistent ignition timing across operating RPM ranges

Product Specifications

• MPN: 1115157
• Brand: GM General Motors
• Product type: Ignition coil
• Primary resistance: 0.6–1.2 ohms

Replacement Compatibility

Compatible with GM General Motors vehicles that use the 1115157 ignition coil across various engine configurations and model years. Proper installation requires disconnecting the battery, removing the old coil mounting hardware, transferring any heat shields or brackets, and securing the new coil before reconnecting electrical terminals. Always double-check wiring orientation and torque specifications listed in the factory service manual to avoid damage to the ignition module or wiring harness. After installation, clear any stored diagnostic trouble codes and perform a road test to confirm normal operation under load.

Discover the Perfect Replacement

Browse the full selection of ignition components to locate the correct match for your GM vehicle. Verify fitment details using the MPN to complete your repair order. Regular inspection of ignition coils during routine maintenance helps prevent unexpected breakdowns and protects downstream components such as spark plugs, catalytic converters, and oxygen sensors from damage caused by incomplete combustion. Choosing a direct-fit replacement like this one minimizes downtime and restores factory-like drivability without requiring additional adapters or custom wiring.

During the checkout process, you can choose from expedited services such as overnight delivery to standard ground shipping. We aim to ensure your order is delivered promptly and reliably, wherever you are.

All returns must be made within 30 days of purchase with the invoice. (After 30 days, Interlight credit only, Minimum 25% restocking fee, no returns after 60 days, special items order just for you are not returnable.)

At Interlight, your satisfaction is our priority. We offer a 30-day money-back guarantee on eligible products, provided they are returned in resalable condition with the original invoice.