BulletProof EGR Cooler, Cummins Vertical (New Style) - ISL, ISC, QSL & L9 / Paccar PX-8 & PX-9 12635704 Verify with easy video below

Verify with easy video below

it has been tested

It has two

Core - Aluminum

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BulletProof EGR Cooler, Cummins Vertical (New Style) - ISL, ISC, QSL & L9 / Paccar PX-8 & PX-9 12635704 Verify with easy video belowThe Cummins Paccar EGR Cooler from Bullet Proof Diesel features the latest, patented H Core technology. This new interior tube design makes the internal structure more forgiving, and thus allows this EGR Cooler to survive through heating cooling cycles as well as thermal events long after most EGR coolers fail. This EGR Cooler replaces the OEM P N: 4908175, 4352444RX, 4376528, 5343328, 4352253RX, 5529388, 5566887, 5566888 and 5297551. Please verify