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spacer MERCRUISER 555 ECM

We have replacement Mercruiser 555 ECM's for many applications, the table below shows a list. If you do not see your ECM or ECU listed here, we may have a replacement, please call us, 310-793-2410, or email us at sales@mefiburn.com

Custom calibrations can be done for any of these applications, changing such things as idle speed, rev limits, fuel and spark delivery, warnings and error codes, etc. If you are upgrading from a 5.0L to a 5.7L, or a 5.7L to a 6.2L, a 305 to 350 or a 350 to 383, we can reflash and program your Mercury Marine ecm, give us a call. We can flash and reprogram your Merc Motorola ECM5550202, ECM5550204, ECM0401, ECM0402 with a different tune and calibration, the cost is $400.

mercruiser ecm
Mercruiser

Part Number(s) Engine Description Price
864271-3
864271T04
864271T3
5.0L ALPHA $1295
864271-005
864271-006
864271T05
864271T06
5.0L ALPHA $1295
864376-3
864376T3
5.0L BRAVO $1295
864376-4
864376T04
5.0L BRAVO $1295
864376-005
864376T05
864376T06
5.0L BRAVO $1295
864272-5
864272T05
864272T04
864272T3
350 Mag MIE $1295
864298-3
864298T3
864298T01
350 Mag MIE $1295
864298-006
864298T06
864298T05
350 Mag MIE $1295
864377-005
864377T05
864377T04
350 Mag BRAVO $1295
864273-3
864273T3
6.2L BRAVO $1295
864273-006
864273T07
864273T06
864273T05
6.2L BRAVO $1295
865008-002
865008T04
865008T03
865008T02
865008T01
6.2L BRAVO FWC $1295
865156-002
865156T03
865156T02
MX6.2 BLACK SCORPION $1295

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OBD Diagnostics, Inc., PO Box 2002, Redondo Beach, CA 90278
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