Drum Sub-assy, Rear Brake

42431-52021

Current PNC 42403 United States

Fitment

Codes the factory prints against this line. Hover for the catalogue's own expansion.

NCP31

Fits: Scion XB NCP31
Valid: 2003-04 → —
Model period: 248W
Destination †: 02
Catalogue page †

† Read from the record layout but confirmed by no published legend.

Shown on

Figure 411035

Replacement history

Follow the number forward to what a dealer would supply today:

42431-52021 42431-0D040

Interchangeable numbers

Number	Alternative	Effective
42431-47011	42431-52021	2011-05
42431-52020	42431-52021	2000-11

List price

Not priced in this market.

Only the Japanese dataset ships a price file. Add the part to an enquiry to ask a seller for a quote.

This number everywhere

Every vehicle in every market that takes 42431-52021.

Show all applications

No quantity, deliberately

The factory catalogue records which parts a vehicle takes, never how many. Quantity was always typed in by the parts counter when raising an order, so nothing here can tell you whether you need one or four.