If you are confused on the 1RZ 2RZ 3RZ Toyota timing chain oil pump. Don’t worry, this article may help you a little. Actually, it’s hard to recognize them from the OE numbers only.
OE numbers as below:
11301-75050
11301-75010
11301-75011
11301-75021
11301-75020
15103-75010
11301-75030
15115-75051
Products fit for: Toyota Case sub-assy, timing gear
Toyota Timing Gear Case Sub-Assy
Timing chain cover oil pump Toyota 1RZE 2RZ-FE Tacoma Hilux Hiace
Oil Pump Toyota 1RZ Toyota Hiace, RZH100, RZH100G, RZH101, RZH101G, RZH102,
RZH102V, RZH103, RZH104, RZH105, RZH109, RZH110, RZH110G,
RZH112, RZH112K, RZH112V, RZH113, RZH114, RZH115, RZH119,
RZH122, RZH122V, RZH124, RZH125, RZH155
HIACE 3 Kasten (YH7; LH6; LH7; LH5; YH5; YH6); Hiace 3 Bus ( H1 )
Toyota Regius Ace, RZH100, RZH101, RZH102, RZH102V, RZH110,
RZH112, RZH112K, RZH112V, RZH122, RZH124
We highly recommend you to recognize them from the photo only! Below are 4 different places.



