Edelbrock · New
Edelbrock Engine Control Unit (ECU) For Pro-Flo 4
MPN 3543 · Store SKU ede3543
Supplier stock checked 11/8/2026, 6:44:12 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
For those of you who are running a Pro-Flo 4 EFI on your vehicle and have a damaged ECU, Edelbrock is now offering a replacement unit. Engine Control Unit (ECU) #3543 for the Pro-Flo 4 is a new service item for customers who need to replace a damaged ECU or would like to carry an additional ECU as a spare. Engine Control Unit (ECU) #3543 for the Pro-Flo 4 is a new service item for customers who need to replace a damaged ECU or would like to carry an additional ECU as a spare. Engine Control Unit (ECU) #3543 for the Pro-Flo 4 Engine Control Unit ECU; PRO FLO 4
Manufacturer fitment & guides
Check 3543 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
