The Honda B18 is a 1.8 litre inline four with a DOHC 16 valve head, naturally aspirated and fed by Honda PGM-FI multi point injection. Honda built the B series from 1990 to 2001 and fitted the B18 to the Integra DA and DC2. Cam drive is by toothed belt. The B18 archive holds 16 parts.

RIK ring set for the B18

The ring set is a RIK item boxed for the B16 and B18 together, since the 81 mm bore is common to both. Only the stroke changes between them. Read the oversize stamped on your pistons first, because a rebored B18 will not take the standard set.

Water pump for the B18

The water pump is listed for the B18 and the B20B. That second code is the 2.0 litre B series from the CR-V. Honda drives the pump off the timing belt on this family, so the two jobs are usually done together.

Rear main seal and the rest of the B18 list

The rear main seal is boxed across most of Honda’s four cylinder range. That listing takes in the B18 and B20 plus the D15, D16, F20, F22, H22 and H23.

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Forged pistons for the B18