O-Ring (gasket/seal), Injection Pump - (front of pump into housing) - VE Style Pump 2LT, 1PZ, 1HZ, 1HDT 49.7X2.4(49X2.4) ** O-RIng, Exhaust Manifold - Toytoa 12HT

O-Ring, Injection Pump - (front of pump into housing) - VE Style Pump 2LT, 1PZ, 1HZ, 1HDT

This is the o-ring that you require when installing the injection pump into the timing gear housing.

You will also require the seal for the injection pump drive gear on 1PZ, 1HZ, and 1HDT engines: 90311-58006

The timing gear seal (90311-58006) and this o-ring (90301-49003) are available together, with the small o-ring (90301-23005) that goes under the nut that holds the timing gear into place:

Toyota pn:
90301-49003

Made in Japan