Merchant Automotive Transfer Case Pump Upgrade Kit 01-07 6.6L GM Duramax NL-67OCRK The spring manufacturer tested the

The spring manufacturer tested the service life at 1

Fleece set out to create the cleanest and simplest to install system on the market

but also the transmission's

all while fitting directly into the stock mounting locations for an easy install

Merchant Automotive Transfer Case Pump Upgrade Kit 01-07 6.6L GM Duramax NL-67OCRK The spring manufacturer tested theCase rub, its real, and its unfortunate, but it will destroy the transfer case behind your Duramax. Fortunately, Merchant Automotive has the cure with their pump upgrade combo kit that will effectively allow you to prevent a damaged transfer case. WHAT IS PUMP RUB? The GM transfer cases use a gear pump inside the case that is driven off the mainshaft. The pump forces oil to the planetary as well as the drive sprocket sleeve. Because the pump is driven