Chevrolet Avalanche 5.3 V8 320hp .OLS Delco E38 SW 12587603

This listing is a WinOLS .OLS project (not a .KP) for the Chevrolet Avalanche 5.3 V8 320hp (Delco E38).

This listing is an .OLS WinOLS project file. It is not a .KP pack and not an original flash / calibration file to write to the ECU.

The archive is left as packed. It contains .OLS project file(s).

Match hardware the hardware number and software 12587603 on the ECU sticker before you open this in WinOLS. A neighbouring software version on the same Avalanche can still be the wrong project.

Chevrolet Avalanche 5.3 V8 320hp specifications

Price €15. A full ECU backup for clone or recovery is €20 on request. ECU flash repair after a failed write is €50.

Full backups and ECU flash repairs

• Full ECU backup (complete image for clone or recovery): €20 on request — this DAMOS listing is map definitions — it is not a flash file or a full backup.
• ECU flash repair after a failed write or brick: €50 — contact support with HW/SW and the tool you use.

Professional use only

These files are intended for professional tuners, ECU specialists and workshops. You must understand flashing, checksums, boot/bench recovery and the risk of a no-start. We do not sell this as a DIY kit for untrained use.

Digital product — no refund after payment

This is a digital file delivered after payment. Once it is paid we cannot refund, reverse or take back the download. Check hardware and software numbers on the ECU sticker before you buy.

FAQ — Chevrolet Avalanche 5.3 V8 320hp WinOLS .OLS project

Is this a .KP or a flash file?

No. This Chevrolet Avalanche 5.3 V8 320hp file is a .OLS WinOLS project only. Original flash files for the same car are listed separately at €11.

Which engine is this .OLS for?

This pack is named for the 5.3 V8 320hp on the Chevrolet Avalanche.

Who can use this file?

Professional tuners and ECU specialists who already work in WinOLS. This is a digital product and cannot be refunded once paid.