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Havvk 04-21-2019 09:49 AM

Mopar Peformance ECU for 5.9 '98
Hello everyone,

Could someone confirm whether MOPAR Performance ECU mentioned by SOLITUDE in sticky thread is covered by:
1. Summit Racing and Jegs : Mopar Performance P5153734AC (cannot post the link)

2. The part number on that MOPAR Performance ECU is P04876898 as described on another thread in Performance Garage and Street (cannot post the link)

3. any other that fits 5.9 '98 ZJ/ZG

Many thanks in advance for any feedback you may provide.


Havvk 04-27-2019 02:20 PM

I've done some reasearch on above and:

#1 does not fit GC 5.9 '98, it's the earlier OBD-1 SBEC, won't work in a 96+ OBD-2 vehicle, was confirmed by MOPAR Perf.

#2 - not identified

#3 - one more option found - Mopar Performance P5249935 (taken fm their parts catalogu) - verification ongoing.

Havvk 04-30-2019 09:51 PM

#3 not available anymore.

Unfortunately, according to Mopar Performance, they discontinued the one for 5.9 Jeep years ago. The only option would be to get 5.9 computer custom tuned.

Any tips for 5.9's ECU ?

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