Factory parts data · Europe

Housing, Water Inlet

16323-31021

Superseded / ended 2005-08 PNC 16323 United States
Fitting notes

TOWING HITCH-FOR WEIGHT DISTRIBUTION HITCH

Fitment

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

1GRFE 4000CC 24-Valve Dohc Efi GRN21#
Fits
4Runner GRN21#,UZN21#
Valid
2004-08 → 2005-08
Model period
243W
Destination †
01
Catalogue page †
0023

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

Replacement history

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

16323-31021 16323-0P020 16323-31021

The chain loops back on itself in the source data and is cut here.

Replaces

Interchangeable numbers

NumberAlternativeEffective
16323-31020 16323-31021 2004-03

Other lines in this group

Part numberPeriodStatus
16032-50110 2002-08 → 2005-08 Superseded / ended 2005-08
16323-31010 2002-11 → 2004-03 Superseded / ended 2004-03
16323-31011 2004-03 → 2004-08 Superseded / ended 2004-08
16323-31011 2004-03 → 2005-08 Superseded / ended 2005-08
16323-31020 2002-11 → 2003-01 Superseded / ended 2003-01
16323-31020 2003-01 → 2003-07 Superseded / ended 2003-07
16032-50110 2005-08 → — Current
16323-31011 2005-08 → — Current