A temperature sensor adapter for geared mopeds manufactured from 2018 onwards that use the Derbi D50B0 Euro 4 engine. This item allows you to use the original temperature sensor supplied with the Euro 4 models on after-market cylinder heads for the older type Euro 3 D50B0 engine. Suitable for the following models: Aprilia-RX 50 18- E4 (D50B) ZD4KKA0 Aprilia-RX 50 Factory 18-20 E4 (D50B) ZD4KKA01 Aprilia-SX 50 18-20 E4 (D50B) ZD4KKB01 Aprilia-SX 50 Factory 18-20 E4 (D50B) ZD4KKB03 Aprilia-SX 50 Low Seat 19- E4 (D50B) [ZD4KKB06] Derbi-Senda 50 R X-Treme 2018- E4 (D50B) [ZDPKKA00] Derbi-Senda 50 SM Limited 2018- E4 (D50B) [ZDPKKB04] Derbi-Senda 50 SM Racing 2018- E4 (D50B) [ZDPKKB02] Derbi-Senda 50 SM X-Treme 2018- E4 (D50B) [ZDPKKB00/ PKKE00] Derbi-Senda 50 SM X-treme Low Seat 19- E4 (D50B) Gilera-RCR 50 18-20 E4 (D50B) ZAPKKA00 Gilera-SMT 50 18- E4 (D50B) ZDPKKB00 Gilera-SMT 50 Drifting 19- E4 (D50B) [ZAPKKB07]