Genuine Briggs & Stratton 821391 Fuel Injection Module ECU

Genuine Briggs & Stratton 821391 Fuel Injection Module ECU for Vanguard V-Twin

Item Specifics

• Part Number: 821391
• Brand: Briggs & Stratton
• Type: Fuel Injection Module / ECU
• Application: Commercial Vanguard V-Twin Engines

Product Description

Genuine Briggs & Stratton 821391 fuel injection module (ECU) designed for reliable performance and durability. This premium commercial-grade engine management system ensures proper fitment and optimal function for your Vanguard V-Twin engine.

As part of the closed-loop Delphi EFI system, the 821391 module uses data from the engine speed sensor and flywheel reluctor teeth to dynamically compute fuel delivery and ignition timing advance. It provides precise electronic control to optimize performance, maximize power, enhance fuel economy, and reduce emissions under harsh operating conditions.

Weighing 0.89 lbs, this highly specialized piece of electrical hardware integrates seamlessly with components like the governor control lever. Replace worn or damaged components with authentic OEM parts to extend the life of your machinery. Red Rock Turf provides genuine Briggs & Stratton parts to keep your equipment running smoothly.

Compatible Models

Always verify fitment using your equipment model and serial number before ordering.
Contact Red Rock Turf if assistance is needed.

Key Details

• Genuine OEM replacement part
• Premium commercial-grade fuel injection module (ECU)
• Part of closed-loop Delphi EFI system for Vanguard V-Twin engines
• Dynamically computes fuel delivery and ignition timing advance

We at Red Rock Turf are a stocking distributor for Briggs and Stratton, Kohler, Kawasaki and Toro. We don’t only sell their OEM parts but we also use them on our equipment repairs and rebuilds. If there is something you need and don’t see it, then please feel free to get a hold of us, call or text 435-213-5854.