Lenovo ThinkCentre 3026 Maintenance Instructions Manual page 172

Second serial port cable (300mm) - with level shift IC (all models)
eSATA cable (all models)
Intrusion switch assembly (all models)
Parallel cable 280mm ROHS (optional) (all models)
Optional HDD bracket assembly, without 4 pin cable (all models)
Hard disk drive tray (all models)
Speaker cable, 9*5, 400mm (all models)
Temp sense cable (6pin 460 mm) kit w/ bracket (all models)
1.8 SSD to 3.5 HDD conversion kit, no bezel, with PCB (all models)
LED/switch cable (PCB_760mm_25L) kit (all models)
Front I/O cable (25L_A660_U280) (all models)
PS2 cable, 170mm, knockout (With screw) (all models)
IV 9225 front fan (with fan bracket) (all models)
Chassis primary HDD cage (all models)
FDD / card reader blank bezel (all models)
ODD bezel, button for ODD (all models)
Top handle assembly (all models)
USB cover (all models)
FDD/card reader cover (all models)
ODD blank cover assembly (all models)
1st ODD cover assembly (all models)
Rear I/O shield, ATX, Q57, FOF, with USB number (all models)
3246 Keyboard (Lenovo Preferred Pro USB -- without hub)
US English (models A3Q A1U A2U A5Q A9U A6V A7V A8V)
Arabic (models)
A/F (models)
B/F (models)
Belgium English (models)
Brazilian Portuguese (models A1P A2P)
Bulgarian (models A3H A4H)
Chinese/US (models)
Czech (ABB) (models)
Danish (models)
Dutch (models)
French (models)
French Canadian (models A1F A2F A9F)
French Canadian (models A1F A2F A9F)
German (models)
Greek (models)
Greek/US (models)
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Hardware Maintenance Manual
3246 FRUs FRU# CRU
71Y6221 2
41R3308 2
41R6116 2
43N9022 2
41R6106 1
41R6291 1
43N9091 2
45J9495 2
43N9593 2
45J9577 2
45J9573 2
43N9149 2
43N9599 N
45K6272 1
45K6261 1
45K6265 2
45K6259 2
45K6260 1
45K6262 1
45K6263 1
45K6264 1
43N9846 2
FRU# CRU Tier
41A5289 1
41A5290 1
41A5291 1
41A5292 1
41A5293 1
41A5294 1
41A5295 1
41A5296 1
41A5297 1
41A5298 1
41A5299 1
41A5300 1
41A5301 1
41A5302 1
41A5303 1
41A5304 1
41A5305 1