89661-30361 89663-30661 Denso GEN1 original ECU file – Lexus GS 300 3.0 256hp

SW numbers next to 89663-30661

The closest SW numbers in the archive, by spelling. They are other files, not equivalents. Worth a look when a digit may have been misread.

Other numbers for the Lexus GS 300 3.0 256hp

15 files cover exactly this car and engine, on Denso GEN1 (10), Denso, type not listed (5). If your ECU reads differently from this page, 5 of the others:

This ECU and car in figures

Denso GEN1: 2 753 files, 2 709 SW numbers, 331 with a map pack. Makes: Toyota (2 169), Lexus (425), Hino (113), Toyota BUS (38). Most listed: Toyota Hilux (322), Toyota Land Cruiser (279), Lexus IS (171), Toyota Corolla (145).

Lexus GS 300: 15 files. ECU types: Denso GEN1 (10), Denso, type not listed (5). Engine codes: 3GR-FSE (10).

Engine code 3GR-FSE: 29 files, on Denso GEN1 (16), Denso, type not listed (13). Listed for Lexus GS 300 (10), Toyota Crown (8), Lexus GS (6), Toyota Mark X (5).

914 of the 914 files here with HW 8966… are Denso units.

5 122 of the 5 122 files here with SW 8966… are Denso units.