Cummins B Series Lower Water Inlet Without Return Fitting

$45.00

Our Cummins B Series Lower Water Inlet is available in the common lower radiator hose sizes:  1.5, 1.75, 2, and 2.25 inches.  This Cummins B-Series inlet DOES NOT have a 1/2″ Female NPT fitting to accommodate a heater hose return line.  Looking for an inlet WITH the side fitting?  We’ve got you covered here.

 

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Description

Our Cummins B Series Lower Water Inlet solves a common problem with diesel swaps: How to make the lower  water connection with the proper size hose and location?  Unlike the OEM water inlet (part number 3941929), our Cummins B Series Lower Water Inlet  is available in these sizes:

  • 1.5″
  • 1.75″
  • 2″
  • 2.25″

This lower inlet has a horizontal outlet direction.   This provides an easier lower radiator hose installation in many different vehicle chassis.

Made from laser cut 3/8″ Steel, our custom-fabricated inlet is surface-ground and pressure-tested prior to shipment to verify a leak-free install.  Inlets can be directly mounted to your 6BT or 4BT block with the OEM sealing O-Ring or installed with our die-cut gasket.

In addition, this Cummins B-Series lower water inlet can be used along with the OEM Cummins Mid/High mount accessory mount part numbers 3930822 or 3930888.  

Our inlet is compatible with any of the B-Series Cummins engines, including the 6BT and 4BT.

This Cummins B-Series inlet DOES NOT have a 1/2″ Female NPT fitting to accommodate a heater hose return line.  Looking for an inlet WITH the side fitting?  We’ve got you covered here.  Inlet with side fitting is also included in our custom-made high mount kit here.

 

 

 

 

Additional information

Weight 1 lbs
Dimensions 5 × 5 × 5 in
Hose Size

2.25 inch, 2 inch, 1.75 inch, 1.5 inch