Out of Production, No Longer Available, Order QU10972 Aftermarket Replacement Oil Pump

QU50423 Oil Pump for 32 Spline New Process Transfer Cases is a genuine original equipment New Process Gear Oil Pump for many Chevy, Dodge, GMC, and Jeep 4x4s with 32 spline Rear Output Shafts. Pre-assembled, 38 spline pump includes QU50177 Oil Pump Seal. Order QU10802 O-ring and QU10823 NP241DLD/DHD Oil Pump Feed Tube separately. USA Made.

Need More Info? Use the handy Links below to access over 40 years of Dan’s product and vehicle specific Tech Notes to easily get the information you need for your vehicle’s repair, maintenance, or upgrade project!

Dan the Gear Man Tech Notes:
Prime the Pump!!!
NP241DHD Applications
Product Specs
Right and Left Drop Applications
Matching Parts, General
Matching Parts for 1994-2002 Dodge NP241DLD
Matching Parts for 1994-1996.5 Dodge NP241DHD
Matching Parts
Applications

Tech Note 1: Prime the Pump!!!
Your new Oil Pump is shipped dry. You must prime pump with Dexron automatic transmission fluid or approved transfer case fluid by squirting some fluid through the inlet hole as you rotate the center drive plate. These pumps lubricate the whole input and output shaft setup. You will not like the results if you fail to prime the pump!

Tech Note 9: NP241DHD Applications
New Process NP241DLD Transfer Cases were standard on Dodge Ram 2500 4×4 trucks from 1994 to 2002. All NP241DLD models use this oil pump. NP241DHD Transfer Cases were standard on Dodge Ram 3500 trucks and optional on Ram 2500 trucks for the same years. Early versions of the NP241DHD had a two piece extension housing and a small 32 spline output shaft and use this oil pump QU50423. Later versions, (possibly a few 1996 trucks and most 1997, plus all 1998-2002) have a one piece rear housing, 31 spline rear output shaft and use QU10936 oil pump.

Tech Note 3:Product Specs
QU50423 has 38 internal splines. It fits transfer case rear output shafts that have 32 splines for the slip yoke and 38 splines for the oil pump and speedometer gear (transfer case speedometer drives were used by Dodge up to 1997).

Tech Note 4:Right and Left Drop Applications
These oil Pumps are used in both left and right drive New Process transfer cases.

Tech Note 5: Matching Parts, General
QU10802 O-Ring
QU10823 Oil Pump Feed Tube
QU10673 Oil Pump Connector Hose

Tech Note 6: Matching Parts for 1994-2002 Dodge NP241DLD
Exploded View XV4002 1994-1997 Dodge Ram NP241DLD Transfer Case
Exploded View XV4004 1998-2002 Dodge Ram NP241DLD Transfer Case
QU10872 Synchro Hub to Mainshaft Snap Ring
QU10820Synchro Strut Tension Spring
QU11166Synchro Hub
QU10821Synchro Strut
QU50354Synchro Sleeve
QU10819Synchro Ring
QU50071 Drive Chain
QU50355 Upper Chain Drive Sprocket
QU50603 Rear Output Mainshaft, 1998-2002
QU50177Oil Pump Seal
QU10802 O-Ring
QU10823Oil Pump Feed Tube
QU10673Oil Pump Pickup Hose
QU10674Oil Pump Screen
QU50191Chip Magnet
QU50875 Rear Output Bearing
QU10816Snap Ring
QK2069 Transfer Case Saver Kit
QU40813 Rear Output Slip Yoke, 1998-2002
Mopar 68218057AB ATF+4 Transfer Case Fluid, Requires 2.31 Quarts to Fill

Tech Note 7:Matching Parts for 1994-1996.5 Dodge NP241DHD
Exploded View XV4000 1994-1996.5 Dodge Ram NP241DHD Transfer Case
QU50177Oil Pump Seal
QU10802 O-Ring
QU10823Oil Pump Feed Tube
QU10673Oil Pump Pickup Hose
QU10674Oil Pump Screen
QU50191Chip Magnet

Tech Note 8:Matching Parts
Saved for Future Use

Tech Note 9:Matching Parts
Saved for Future Use

Applications

Chevy and GMC:
Blazer, Jimmy, V1500, V2500 with NP241C Left Drop: 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999
Suburban, K1500, K2500 with NP241C Right Drop: 1988, 1989, 1990, 1991
NP243C Electric Shift Transfer Cases: 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999

Dodge and Plymouth:
Ramcharger, Trailduster, W150, gas powered W250: 1988, 1989, 1990, 1991, 1992, 1993
Ram 1500: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Ram 2500 with NP241DLD: 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Ram 2500, Ram 3500 with 32 Spline Output NP241DHD: 1994, 1995, 1996

Jeep:
Wrangler with NP231J