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Miscellaneous service parts - ThinkPad X300

Other service parts
13.3 inch WXGA+ (1440 x 900) LCD service parts
Common service parts
Keyboard service parts
Recovery CD and DVD part numbers
System service parts

Note: Customer replaceable units (CRUs) can be installed by the customer. All other service part FRUs must be installed by qualified technicians only.

RoHS compliance:

  • Parts identified by an R in the RoHS ID column are compliant.
  • Parts identified by an N in the RoHS ID column are not compliant.

DescriptionService part number (FRU)RoHS IDCRU ID

Screw kit (including nylon-coated screws):

  • M2 × 3 mm (silver), small head (35)
  • M2 × 4 mm (black), bind head (15)
  • M2 × 4 mm (black), small head (4)
  • M2 × 6 mm (black), bind head (25)
  • M2 × 3 mm tamper proof (4)
  • Shoulder screw M2 (4)
  • Hex stud (4)
  • Security screw M2 x 4 mm (2)
42X5129RN

Seal kit:

  • Tape for LCD cable (large)
  • Tape S (cable fix)
  • Tape L (cable fix)
  • Screw cap, thin
  • Screw cap square
42X5130RN

Base miscellaneous parts:

  • Rubber foot (front)
  • Rubber foot (rear)
  • LCD latch knob
  • LCD latch
  • Latch link wire
  • LCD latch spring
  • Wireless radio switch knob
  • Wireless radio switch latch
  • Security keyhole bracket
  • EMI spring (optical drive)
  • EMI spring (HDD front)
  • EMI spring (HDD rear)
  • Gasket (long)
  • Gasket (short)
  • HDD guide (front)
  • HDD rubber rail (front)
  • HDD guide (rear)
  • HDD rubber rail (rear)
  • LCD latch rubber
  • Pad, battery
  • Sponge (large)
  • Sponge (small)
  • Cap for Mg
  • Screw M2 x 3
42X5126RN

Keyboard bezel miscellaneous parts:

  • Support plate, fan
  • USB bracket
  • Keyboard cover
  • EMI spring (rear right)
  • EMI spring (rear left)
  • EMI spring (front center)
  • Magnet
  • Tape for magnet
  • Gasket (FP)
  • Gasket (short)
  • Gasket (middle)
  • Spill sealing S
  • Spill sealing M
  • Spill sealing L
  • Screw M2 x 3
  • Label information
  • Blind sheet R
42X5127RN

System miscellaneous parts:

  • (a) Expansion slot cover
  • (b) HDD cover
  • I/O sub bracket
  • Connector cap
  • Optical drive bracket

Note: Italicized letters in parenthesis are references to the exploded view in System Service Parts.

42X5128RN

System board miscellaneous parts:

  • Mini Card stud, system board
  • Stud, system board
  • Insulation (top)
  • Insulation, black (battery)
  • Insulation, black (coil)
  • Insulation, black (SIM)
  • SIM card bracket
  • Eject sheet
  • USB gasket
42X5125RN

LCD miscellaneous parts:

  • (a) Heat spreader for camera
  • ThinkPad logo
  • Lenovo logo
  • Label (camera)
  • Label (no camera)
  • Label (LED)
  • Tape cable fix (10 x 38)
  • LCD latch R
  • LCD latch L
  • Rubber 0.5
  • Rubber 0.8
  • Rubber 0.8 long
  • Rubber 1.0
  • Rubber 1.5
  • Alpet sheet for LCD
  • Gasket for LCD
  • Screw cap, thin
  • Screw cap, square

Note: Italicized letter in parenthesis is reference to the exploded view in 13.3 inch LCD service parts.

42X5131RN
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