Fuel injection feed pipe, located between the fuel filter and the fuel-metering valve.

Engine fitment codes and year range
JH, 1.8cc, 08/85-92
K-Jetronic, EG, 1.6cc, 06/76-07/82
K-Jetronic, EN 1.7cc, 08/80-07/82
K-Jetronic, DX, 1.8cc 08/82-07/82
K-Jetronic, JJ, 1.8cc 08/82-07/83
K-Jetronic, JH, 1.8cc 08/83-07/93