Generic LS1B/0411 ECM Mounting Bracket for GM LS Engine Swaps — Stainless CNC 2‑Pack for 24x 2‑Connector Modules

Sturdy CNC-cut mounting brackets that let you secure a GM LS/0411 ECM to any flat surface during engine swaps.

When swapping an LS-series engine into a truck or custom chassis, the stock engine computer often needs a new home. These two precision-cut stainless steel brackets are built to mate with GM LS1B/0411 ECM housings used on many 1999–2006 engines (red/blue or green/blue 24x two-connector bodies). They remove guesswork around clearance and alignment so you can mount the module cleanly and reliably in tight engine bays or behind the dash.

How do these brackets simplify an LS PCM swap?

The brackets provide a flat, repeatable mounting surface for the ECM so you don’t have to fabricate custom tabs or rely on improvised fasteners. That cuts installation time and reduces the risk of chafing or electrical strain from poorly supported wiring.

• Fits GM LS1B / 0411 ECM housings used with 24x two-connector units.
• Mounts to any flat surface — firewall, inner fender, or custom panel.
• Eliminates clearance hassles in tight swap locations.
• Requires only four small screws to attach to the ECM body (hardware not included).

What materials and manufacturing quality can I expect?

Each kit includes two brackets laser/CNC cut from 1.5 mm cold-rolled stainless steel and finished with an anodic oxidation surface treatment. This combination gives a balance of strength, stiffness and corrosion resistance suitable for automotive environments.

• 1.5 mm cold-rolled stainless steel for rigidity under vibration.
• Anodic oxidation finish to resist rust and wear.
• CNC precision for consistent, repeatable fitment between units.

Which ECMs and vehicles are compatible with these mounts?

These brackets are tailored for GM LS1B / 0411 ECM bodies commonly found on 1999–2006 LS-series motors. They are appropriate for swap projects using 6.0, 5.3, LQ9, LM7 and similar engines, and work well for C10 or other classic truck conversions where the original ECM mounting points are unavailable.

• Designed for 24x two-connector LS ECM housings (red/blue or green/blue).
• Commonly used with 6.0, 5.3, LQ9, LM7 engine swaps.
• Suited to C10 and other custom chassis where firewall or inner-frame mounting is needed.

What do I need to install them and what should I watch for?

Installation is straightforward but requires small fasteners to secure the brackets to the ECM and appropriate hardware to fix the bracket to your chosen surface. Measure clearance carefully to avoid contact with hot or moving components and use rubber or plastic isolators where vibration protection is desired.

• Four small screws required to attach bracket to the ECM body (not included).
• Use appropriate machine screws and thread engagement for stainless housings.
• Add isolators or grommets to dampen vibration and prevent metal-to-metal contact.

Who this is for: Fabricators, hot-rodders and DIY mechanics performing an LS-series engine swap who want a clean, reliable mounting point for a GM LS1B / 0411 ECM. If you need a durable, repeatable solution for locating the PCM on a firewall, inner fender or custom panel during a C10 or other conversion, these CNC-cut stainless brackets save time and reduce fitment headaches.