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Old 04-09-2025, 07:43 PM   #1
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8.3 cummins jake brake

So I have read that there is a kit 490A( pretty sure that's the kit) for installing a jake system to a 8.3. I believe the jake is from a ISL. Just wondering on the generation of isc does it work on? Will it work on a caps isc 2004 model year. Any help would be appreciated.
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Old 04-09-2025, 09:09 PM   #2
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I'm under the impression that the 8.9 is the smallest Cummins that was available with either and exhaust brake or a compression brake .

Cummins never equipped the 8.3 with a compression brake.
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Old 04-09-2025, 10:05 PM   #3
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Old 04-09-2025, 10:18 PM   #4
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Quote:
Originally Posted by shootist View Post
I did see your post. Just curious if it could be done on a 2004 caps fuell system isc
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