mopar oil pump on 5.9 -
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post #1 of 6 Old 01-01-2020, 01:05 PM Thread Starter
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1996 ZJ 
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mopar oil pump on 5.9

looking at oil pumps v. performance oil pumps and mopar has regular oe one (part number - MOPAR 2806270AB) but i saw this mopar "performance one (part number - Mopar Performance High Performance Oil Pumps P4286589) that says it doesn't fit but the picture looks exactly the same, I'm wondering if anyone has used this one on their 5.9 or can direct me to a trusted high volume/ performance oil pump

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post #2 of 6 Old 01-01-2020, 01:15 PM
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Those arent the same, the "performance"one is more than likely for a 5.9 truck with a external oil cooler

94 ZJ 4.5" on 31s
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post #3 of 6 Old 01-01-2020, 01:53 PM
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I bought a Melling high volume pump to my 5.9, it gave a slight bump on the oil pressure and has been working flawlessly.

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post #4 of 6 Old 01-02-2020, 05:41 AM
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P4286589 is for small blocks, It's basically a high volume pump. If you want more pressure mopar performance offers a spring kit to boost it part # P3690944
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post #5 of 6 Old 01-02-2020, 10:02 AM
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Edited for bad info: MoparsOnly is correct the M72 are used in the LA small blocks, Magnum small blocks, V6 and Polysphere engines.

I purchased the Melling pump M72 when I did mine last year. The high volume is the M72HV.
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post #6 of 6 Old 01-04-2020, 07:17 PM
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The LA part # for an O/P is the same as It Is for a magnum M72 and M72HV
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5.9l grand cherokee zj , jeep , oil pump

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