Factory parts data · Europe

Strainer Assy, Valve Body Oil

35330-71010

165 applications Europe · 22 General · 96 Japan · 8 United States · 39
This number has been replaced. Current number: 35330-04010, 35330-04010, 35330-0K010 — the chain runs 2 steps forward; the last one is what a dealer would supply.

Fits in Europe 22 vehicles

ModelChassisPNCPeriodStatus
Fortuner GUN156,TGN156 35330 2020-06 → 2021-08 Superseded / ended 2021-08 Detail
Fortuner GUN156,TGN156 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Fortuner (SUV) GUN156,TGN156 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Fortuner (SUV) GUN156,TGN156 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Fortuner (SUV) GUN156,TGN156 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Fortuner (SUV) GUN156,TGN156 35330 2024-08 → — Current Detail
Hilux GUN12#,135 35330 2015-06 → 2020-09 Superseded / ended 2020-09 Detail
Hilux GUN12#,135 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Hilux GUN12#,135 35330 2020-06 → 2021-08 Superseded / ended 2021-08 Detail
Hilux GUN12#,135 35330 2020-06 → 2021-09 Superseded / ended 2021-09 Detail
Hilux (DCB/SCB/XTR) GUN125,126,135 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Hilux (DCB/SCB/XTR) GUN125,126,135 35330 2021-08 → 2023-01 Superseded / ended 2023-01 Detail
Hilux (DCB/SCB/XTR) GUN12#,135 35330 2022-08 → — Current Detail
Hilux (DCB/SCB/XTR) GUN12#,135 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Hilux (DCB/SCB/XTR) GUN12#,135 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (DCB/SCB/XTR) GUN12#,135 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Hilux (DCB/SCB/XTR) GUN12#,135 35330 2024-08 → — Current Detail
Land Cruiser GDJ15#,GRJ150,KDJ150,TRJ150 35330 2017-08 → 2023-12 Superseded / ended 2023-12 Detail
Land Cruiser FJA300,GRJ300,VJA300 35330 2024-11 → — Current Detail
Land Cruiser FJA300,GRJ300,VJA300 35330 2021-04 → 2024-11 Superseded / ended 2024-11 Detail
Land Cruiser Prado GDJ25#,TJA250,TRJ250 35330 2024-01 → — Current Detail
Land Cruiser Prado GDJ15#,GRJ150,KDJ15# 35330 2015-06 → — Current Detail

Fits in General 96 vehicles

ModelChassisPNCPeriodStatus
Dyna GDY231,LY230 35330 2021-08 → 2023-05 Superseded / ended 2023-05 Detail
Fortuner GGN155,165,GUN15#,16#,KUN156,165,L 35330 2015-07 → 2020-12 Superseded / ended 2020-12 Detail
Fortuner GGN155,165,GUN15#,16#,KUN156,165,L 35330 2019-12 → 2021-04 Superseded / ended 2021-04 Detail
Fortuner GGN155,165,GUN15#,16#,KUN156,165,L 35330 2015-07 → 2021-04 Superseded / ended 2021-04 Detail
Fortuner GGN155,165,GUN15#,16#,KUN156,165,L 35330 2015-07 → 2019-05 Superseded / ended 2019-05 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2020-06 → 2021-08 Superseded / ended 2021-08 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2021-03 → 2021-08 Superseded / ended 2021-08 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2020-06 → 2021-10 Superseded / ended 2021-10 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2020-06 → 2022-01 Superseded / ended 2022-01 Detail
Fortuner GGN155,GUN1##,LAN155,TGN1## 35330 2020-06 → 2022-03 Superseded / ended 2022-03 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → — Current Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2022-06 Superseded / ended 2022-06 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2022-08 Superseded / ended 2022-08 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2022-09 Superseded / ended 2022-09 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2022-10 Superseded / ended 2022-10 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2023-03 Superseded / ended 2023-03 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2023-04 Superseded / ended 2023-04 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2023-08 Superseded / ended 2023-08 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → — Current Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2024-03 Superseded / ended 2024-03 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2024-01 Superseded / ended 2024-01 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2023-10 Superseded / ended 2023-10 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2023-09 Superseded / ended 2023-09 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Fortuner (SUV) GGN155,GUN15#,16#,LAN155,TGN156,16 35330 2022-08 → 2023-05 Superseded / ended 2023-05 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → — Current Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → 2024-08 Superseded / ended 2024-08 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → 2024-09 Superseded / ended 2024-09 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,TGN166 35330 2023-08 → 2024-12 Superseded / ended 2024-12 Detail
Fortuner (SUV) GGN155,GUN15#,16#,TGN156,166 35330 2024-08 → — Current Detail
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → — Current Detail
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → 2025-06 Superseded / ended 2025-06 Detail
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → 2024-04 Superseded / ended 2024-04 Detail
Hilux GGN1##,GUN1##,KUN1##,LAN125,TGN1## 35330 2015-05 → 2020-07 Superseded / ended 2020-07 Detail
Hilux GGN1##,GUN1##,KUN1##,LAN125,TGN1## 35330 2015-05 → 2021-05 Superseded / ended 2021-05 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2022-01 Superseded / ended 2022-01 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-11 Superseded / ended 2021-11 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-10 Superseded / ended 2021-10 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-08 Superseded / ended 2021-08 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-09 Superseded / ended 2022-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2023-03 Superseded / ended 2023-03 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2023-01 Superseded / ended 2023-01 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-10 Superseded / ended 2022-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2024-01 Superseded / ended 2024-01 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-10 Superseded / ended 2023-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2024-03 Superseded / ended 2024-03 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-05 Superseded / ended 2023-05 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-09 Superseded / ended 2023-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-12 Superseded / ended 2024-12 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-09 Superseded / ended 2024-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-12 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2024-12 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2024-08 → — Current Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2021-08 → 2023-01 Superseded / ended 2023-01 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → — Current Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → 2023-05 Superseded / ended 2023-05 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-12 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2024-08 → — Current Detail
Hilux Champ GUN1##,TGN11# 35330 2023-12 → 2024-07 Superseded / ended 2024-07 Detail
Hilux Champ GUN1##,TGN11# 35330 2023-12 → — Current Detail
Hilux Champ GUN1##,TGN11# 35330 2024-09 → — Current Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2018-07 Superseded / ended 2018-07 Detail
Innova GUN14#,TGN14# 35330 2022-06 → — Current Detail
Innova GUN14#,TGN14# 35330 2022-06 → 2023-04 Superseded / ended 2023-04 Detail
Innova GUN14#,TGN14# 35330 2020-11 → 2023-01 Superseded / ended 2023-01 Detail
Innova GUN14#,TGN14# 35330 2021-03 → 2022-06 Superseded / ended 2022-06 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2020-10 Superseded / ended 2020-10 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2020-09 Superseded / ended 2020-09 Detail
Innova GUN14#,TGN14# 35330 2018-09 → 2020-08 Superseded / ended 2020-08 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2020-08 Superseded / ended 2020-08 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2020-01 Superseded / ended 2020-01 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2018-08 Superseded / ended 2018-08 Detail
Innova GUN14#,TGN14# 35330 2015-11 → 2017-07 Superseded / ended 2017-07 Detail
Land Cruiser FJA300,GRJ300,VJA300 35330 2024-11 → — Current Detail
Land Cruiser FJA300,GRJ300,VJA300 35330 2021-04 → 2024-11 Superseded / ended 2024-11 Detail
Land Cruiser GRJ200,URJ20#,UZJ200,VDJ200 35330 2017-08 → 2021-04 Superseded / ended 2021-04 Detail
Land Cruiser Prado GRJ150L-GKA*KC,GRJ152,TRJ150L-GK*E 35330 2015-09 → 2017-11 Superseded / ended 2017-11 Detail
Land Cruiser Prado GRJ150L-GKA*KC,GRJ152,TRJ150L-GK*E 35330 2017-11 → 2020-06 Superseded / ended 2020-06 Detail
Land Cruiser Prado GDJ25#,TJA250,TRJ250 35330 2024-01 → — Current Detail
Land Cruiser Prado GDJ150,GRJ150,KDJ150,LJ150,TRJ15# 35330 2015-06 → — Current Detail
Land Cruiser Prado GDJ150,GRJ150,KDJ150,LJ150,TRJ15# 35330 2017-08 → 2023-12 Superseded / ended 2023-12 Detail

Fits in Japan 8 vehicles

ModelChassisPNCPeriodStatus
Dyna GDY231,281,TRY230 35330 2021-08 → — Current Detail
Dyna GDY231,281,TRY230 35330 2021-08 → 2025-09 Superseded / ended 2025-09 Detail
Granace GDH303 35330 2019-12 → 2025-06 Superseded / ended 2025-06 Detail
Hilux GUN125 35330 2017-08 → 2020-05 Superseded / ended 2020-05 Detail
Hilux GUN125 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Land Cruiser GDJ250,TRJ250 35330 2024-04 → — Current Detail
Land Cruiser Prado GDJ15#,GRJ15#,TRJ150 35330 2015-06 → — Current Detail
Land Cruiser Prado GDJ15#,TRJ150 35330 2017-08 → 2023-12 Superseded / ended 2023-12 Detail

Fits in United States 39 vehicles

ModelChassisPNCPeriodStatus
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → — Current Detail
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → 2025-06 Superseded / ended 2025-06 Detail
Grnva/Hiace/Mjsty GDH30#,32#,GRH30#,32# 35330 2019-02 → 2024-04 Superseded / ended 2024-04 Detail
Hilux GGN1##,GUN1##,KUN1##,LAN125,TGN1## 35330 2015-05 → 2020-07 Superseded / ended 2020-07 Detail
Hilux GGN1##,GUN1##,KUN1##,LAN125,TGN1## 35330 2015-05 → 2021-05 Superseded / ended 2021-05 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2022-01 Superseded / ended 2022-01 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-11 Superseded / ended 2021-11 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2020-09 Superseded / ended 2020-09 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-08 Superseded / ended 2021-08 Detail
Hilux GGN125,GUN1##,LAN125,TGN1## 35330 2020-06 → 2021-10 Superseded / ended 2021-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2023-03 Superseded / ended 2023-03 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-09 Superseded / ended 2022-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2022-10 Superseded / ended 2022-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2021-08 → 2023-01 Superseded / ended 2023-01 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-05 Superseded / ended 2023-05 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-09 Superseded / ended 2023-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2023-10 Superseded / ended 2023-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2024-01 Superseded / ended 2024-01 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → 2024-03 Superseded / ended 2024-03 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2022-08 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-12 Superseded / ended 2024-12 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-08 → 2024-09 Superseded / ended 2024-09 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2023-12 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2024-08 → — Current Detail
Hilux (DOUBLE CAB) GGN125,GUN12#,13#,LAN125,TGN12#,13 35330 2024-12 → — Current Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2021-08 → 2023-01 Superseded / ended 2023-01 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2021-08 → 2022-07 Superseded / ended 2022-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → 2023-07 Superseded / ended 2023-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → 2023-05 Superseded / ended 2023-05 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2022-08 → — Current Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-08 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-12 → 2024-07 Superseded / ended 2024-07 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2023-08 → 2024-10 Superseded / ended 2024-10 Detail
Hilux (SCB/XTR) GUN11#,12#,13#,LAN125,TGN11#,12#,1 35330 2024-08 → — Current Detail

Replacement chain

Four out of five replacement numbers are themselves replaced later, so the chain is followed to its end rather than one step.