Purchased but never used. You get 2 supports. Thanks for looking.- the exact models of Pathfinder and QX4 they fit are listed below. 

Stabilus Lift Support 4B-231392

PRODUCT DESCRIPTION
Stabilus gas pressure springs in the LIFT-O-MAT line are used whenever loads need to be lifted or lowered in a controlled manner. They provide force assist and thus ensure optimum weight equalization. With LIFT-O-MAT gas springs, opening and closing doors and lids becomes childs play. Its damping properties ensure safe and user-friendly motion sequences.

Dynamic damping speed control creates a fluid opening motion.

No bouncing or jerking during cycling.

Part coatings tested to automotive standards for corrosion resistance.

Easy to install and require no special tools.

Based on the OE design to ensure proper fit form and function.

For best results replace in pairs.

Fits
----
Infiniti (9)
QX4 2WD (3)
2001
6 Cylinders 3.5L FI DOHC 213 CID
2002
6 Cylinders 3.5L FI DOHC 213 CID
2003
6 Cylinders D 3.5L FI DOHC 213 CID

QX4 4WD (3)
2001
6 Cylinders 3.5L FI DOHC 213 CID
2002
6 Cylinders 3.5L FI DOHC 213 CID
2003
6 Cylinders D 3.5L FI DOHC 213 CID

QX4 4WD (3)
1998
6 Cylinders A 3.3L MFI SOHC 201 CID
1999
6 Cylinders A 3.3L MFI SOHC 201 CID
2000
6 Cylinders A 3.3L MFI SOHC 201 CID


Nissan/Datsun (14)

Pathfinder 2WD (7)
1998 (1)
6 Cylinders A 3.3L MFI SOHC 201 CID
2000 (1)
6 Cylinders A 3.3L MFI SOHC 201 CID
2001 (1)
6 Cylinders 3.5L FI DOHC 213 CID
2002 (1)
6 Cylinders 3.5L FI DOHC 213 CID
2003 (1)
6 Cylinders D 3.5L FI DOHC 213 CID
2004 (1)
6 Cylinders D 3.5L FI DOHC 213 CID

Pathfinder 4WD (7)
1998 (1)
6 Cylinders A 3.3L MFI SOHC 201 CID
1999 (1)
6 Cylinders A 3.3L MFI SOHC 201 CID
2000 (1)
6 Cylinders A 3.3L MFI SOHC 201 CID
2001 (1)
6 Cylinders 3.5L FI DOHC 213 CID
2002 (1)
6 Cylinders 3.5L FI DOHC 213 CID
2003 (1)
6 Cylinders D 3.5L FI DOHC 213 CID
2004 (1)
6 Cylinders D 3.5L FI DOHC 213 CID