HP Tuners · New
HPT GM E42 L5P Global B ECM Upgrade (*VIN & Original ECM Required*)
MPN ECM-E42-L5P-U · Store SKU hptECM-E42-L5P-U
Supplier stock checked 11/7/2026, 4:49:58 PM 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
HPT GM E42 L5P Global B ECM Upgrade (*VIN & Original ECM Required*)
Manufacturer fitment & guides
Check ECM-E42-L5P-U 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.