HP Tuners · New
HPT GM E41 ECM Upgrade Kit
MPN ECM-00-L5P-K · Store SKU hptECM-00-L5P-K
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
HP Tuners GM E41 ECM Upgrade Kit for supported GM E41 ECM (L5P) GM E41 ECM Upgrade Kit for supported GM E41 ECM (L5P) E41 ECM Upgrade Kit (L5P)
Manufacturer fitment & guides
Check ECM-00-L5P-K 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