Yanmar 129107-44590 Heat exchanger expansion cap

NB.

Do you have a 3JH3 or 4JH3 series engine? Then measure the diameter of the lid.

129107-44590 (small cap) approx. 45mm diameter.

129673-44131 (large cap) approx. 58mm diameter.

This expansion cap heat exchanger fits the engines listed below.

Yanmar 2QM20, 3QM30

Yanmar 2GM20 F, 2GM20 F EU

Yanmar 3GM30 F, 3GM30 F EU

Yanmar 3HMF, 3HM35F

Yanmar 3JH25A

Yanmar 3JH30A

Yanmar 4JH E, 4JH TE, 4JH HTE, 4JH DTE

Yanmar 4JH2 (B)E, 4JH2 T(B)E, 4JH2 HT(B)E, 4JH2 DT(B)E, 4JH2 UT(B)E