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 12478088

Merchant Automotive Transfer Case Pickup Tube O-ring | 1998-2007

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Product Information

A damaged or missing seal for the transfer case pump pickup tube can lead to a lack of lubrication and damaged internal components. If your seal is missing, damaged or if you are unsure of its condition replacing it can help prevent lubrication issues and expensive repairs down the road. Be sure to remove and discard the old seal and any fragments when replacing with a new one. For HD model transfer cases be sure to verify the spline count, this seal is for models with the 49-spline shaft. Click here for the seal for 38-spline transfer cases.


Click here to view the Merchant Automotive Transfer Case Pump Upgrade kit.

 

Click here to view transfer case pump upgrade installation instructions.


Click here to view the Truck U segment on the Merchant Automotive Transfer Case Pump Upgrade.

 

FAQ:

I hear a grinding noise at low speed after reassembling my transfer case. What could that be?

A low speed grinding noise is most commonly caused by the rear output bearing snap ring not being fully seated causing the bearing to move out of proper alignment. Verify that the snap ring is fully engaged and properly seated in the rear housing and the locating groove in the bearing.

What would cause a speed sensor correlation code after installing the pump upgrade?

A speed sensor correlation code is often accompanied by a low speed grinding noise and is frequently caused by the rear output bearing snap ring not being fully seated causing the bearing to move out of proper alignment. Verify that the snap ring it fully engaged and properly seated in the rear housing and the locating groove in the bearing.

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