New Process 242 Transfer Case



The New Process 242 is a 2 speed, chain driven transfer case used by multiple vehicle manufactures.

The NP242 was first introduced into the market in the Jeep Cherokee and Wagoneer in 1987 and later used in the Grand-Cherokee and Liberty. Tags for the early Jeeps will read NP242AMC. Once Jeep changed ownership to Chrysler, the tags read NP242J.

Civilian Hummer H1 5.7, 6.2, 6.5 and 6.6L came equipped with the 242 and the 6.2 and 6.5L military version came equipped with the 242 as well.  The NP218 was also used in some of the military H1.

Dodge also used the transfer case in the Dakota and Durango with a variation in the input shaft bearing of 16 or 24mm wide (NP242D). 

To properly identify the case simply go to the back of it, the side facing the rear tires, and look for a round silver and red tag. On the tag you will find the model number, ratio and other information relating to the case.

The range for the transfer case is 2WD High, 4WD High, 4WD Part Time, 4WD Low and Neutral.

We carry a large selection of parts and remanufactured units. You can send us an email or give us a call if you have any questions or to place your order over the phone.
To see a full list of parts, remanufactured units or to order parts online please click here.

BMW X5 ATC500 Transfer Case


In 2003 BMW updated the transfer case for the X5 going from a chain driven non-electric transfer case to a chain driven electric transfer case known as the ATC500. 

Although introduced in 2003 some still came with the non-electric transfer case. The best way to know for sure is to go to the rear of the case and look for a round tag or engravings.  The easiest way is to look for an electric motor with a connection that goes to the vehicles computer.  

Unlike its predecessor, the ATC500 has a clutch pack, electric shift motor (actuator) and the wires that go from the transfer case to the vehicles computer.

Most issues for this transfer case, like many that are chain driven, is the chain stretches over time and will need to be replaced.

We carry a large selection of parts for this unit including the bearings, seals, chain, clutch pack assembly (sprocket assembly), pump, drum and other parts.  If you would rather just put a reman unit we can help with that as well. Either way we’ve got you covered.

New Process NP273D and NP273F Trasnfer Case



The NP271 and NP273 are used in both Fords and Dodges pickup trucks and known for their size and strength. The 271 is manually shifted and the 273 is electronically shifted.
Since the New Process 273 is an electric shift transfer case it has a shift motor or an actuator which means it has a harness to supply electricity and information to the vehicles computer.  It is possible for the connections to have moisture issues if submerged in water and should be checked for oxidation, rust and other related issues.

The front drive shaft is a common cause to a broken front case half. A worn cv joint in the drive shaft causes it to spin with a whipping action that can result the case to break. If repairing or maintaining the unit inspect the cv joint, mounts and cross member to make sure all are in good working order.

Although there are many similarities in this transfer cases differences do exist. If a case half needs to be ordered, locate the casting number in order to determine the correct part number. Bearing kits and seal kits are different for the Dodge (BK485A / TSK273D) and the Ford (BK485 / TSK273).

And if you need to replace the case in your Ram 2500, 3500, F250, F350 or F450 with a reman unit, we can help with that too.