ThinkPad T420 Hardware Maintenance Manual page 148

Table 9. Parts list—Overall (continued)
No.
FRU (Overall)
BZx, C2x, C3x, C4x, C7x, C8x, C9x, CBx, CCx, CDx, CEx, CFx, CGx, CHx,
CJx, CRx, CSx, CUx, CVx, CWx, CXx, CYx, CZx, D2x, D3x, D4x, D5x, D6x,
D7x, D8x, D9x, DAx, DBx, DCx, DDx, DEx, DFx, DGx, DHx, DJx, DKx, DLx,
DMx, DNx, DRx, DSx, DTx, DUx, DVx, DWx, DXx, DYx, DZx, E2x
• 4179-CTO, G2x, G3x, G4x, G5x, G6x, G7x, G8x, G9x, GBx, GCx, GDx, GEx,
GGx, GHx, GJx, GMx, GNx, GPx, GQx, GRx, GSx, GTx, GUx, GVx, GWx, GXx
• 4180-CTO, 62x, 63x, 64x, J2x, J3x, J4x, K2x, K3x, K4x, K5x, K6x, K7x, K8x,
K9x, KAx, KBx, KCx, KDx, KEx, KFx, KGx, KHx, KJx, KKx, KLx, KMx, KNx,
KPx, KQx, KRx, KSx, KTx, KUx, KVx, KWx, KXx, KYx, L2x, L3x, L4x, L5x, L6x,
L7x, L8x, L9x, LAx, LBx, LCx, LDx, LEx, LFx, LGx, LHx, LJx, LKx, LLx, LMx,
LNx, LPx, LQx, LRx, LSx, LTx, LUx, LVx, LWx, LXx, LYx, LZx, M2x, M3x, M4x,
M5x, M6x, M7x, M8x, M9x, MBx, MCx, MDx, MEx, MGx, MHx, MJx, MKx, MLx,
MNx, MPx, MQx, MRx, MSx, MTx, MUx, MVx, MWx, MXx, MYx, MZx, N2x,
N3x, N4x, N5x, N6x, N7x, N8x, NBx, NCx, NDx, NEx, NFx, PAx, PBx, PCx, PDx,
PEx, PFx, PGx, PHx, PKx, PLx, PMx, PNx, PPx, PQx, PTx, PUx, PVx, PWx,
PXx, PYx, PZx, Q2x, Q3x, Q6x, Q7x, Q8x, Q9x, QAx, QCx, QDx, QFx
• 4236-CTO, 62x, 63x, 64x, MBx, N2x, N3x, N4x, N5x, N6x, N7x, N8x, N9x, NAx,
NBx, NCx, NDx, NEx, NFx, NGx, NHx, NKx, NLx, NMx, NNx, NPx, NQx, NRx,
NSx, NTx, NUx, NWx, NXx, NYx, P3x, P4x, P5x, P6x, P7x, P8x, P9x, PAx, PBx,
PCx, PDx, PEx, PGx, PHx, PJx, PLx, PMx, PPx, PQx, PSx, PTx, PUx, PVx,
PWx, PXx, PYx, PZx, Q2x, Q3x, Q4x, Q6x, Q7x, Q8x, Q9x, QAx, QBx, QCx,
QDx, QEx, QFx, QGx, QHx, QJx, QKx, QLx
• 4237-CTO
• 4238-CTO
13
Battery pack, Li-ion (6-cell) 26+
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
13 Battery pack, Li-ion (9-cell) 55++
• 4177-CTO, Q3x, Q4x, Q7x, QBx, QFx
• 4178-CTO, 58x, 6Px, 6Vx, 6Wx, A4x, C5x, C6x, CAx, DPx, DQx
• 4179-CTO
• 4180-CTO, 65x, KZx, MAx, MFx, MMx, N9x, NAx, PRx, PSx, Q4x, Q5x
• 4236-CTO, 65x, NVx, P2x, PFx, PKx, PNx, PRx
• 4237-CTO
• 4238-CTO
14 Base cover assembly
• 4177-CTO
• 4178-CTO
• 4179-CTO
• 4180-CTO
• 4236-CTO
• 4237-CTO
• 4238-CTO
142
ThinkPad T420 and T420i Hardware Maintenance Manual
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FRU no.
CRU ID
42T4817 *
42T4819
42T4799 *
42T4801
42T4912
04W1626 N