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Junta Termostato Yanmar 121850-49550
Descripción
Función y contexto técnico
Esta junta actúa como elemento de estanqueidad en el alojamiento del termostato, sellando la unión entre la carcasa y el bloque o la tapa del circuito de refrigeración de agua dulce. Su misión es evitar fugas de refrigerante en ese punto de la instalación, garantizando que el circuito cerrado de refrigeración mantenga la presión y el caudal necesarios para regular la temperatura del motor. Sin un sellado correcto, el líquido refrigerante puede escapar hacia el exterior o hacia otros circuitos, comprometiendo directamente la capacidad del termostato para gobernar la temperatura de trabajo del propulsor. En los motores Yanmar de la serie 4LHA, esta junta pertenece al conjunto de la bomba de agua dulce de refrigeración (sección 30 del despiece, posición 13), donde trabaja bajo ciclos térmicos continuos que aceleran su envejecimiento.
¿Cuándo sustituir esta pieza?
Los síntomas más habituales de deterioro de la junta del termostato son la aparición de humedad o manchas de refrigerante alrededor de la carcasa del termostato, una pérdida progresiva de nivel en el circuito de agua dulce o episodios de sobrecalentamiento causados por una caída de presión en el circuito cerrado. Se recomienda revisar su estado en cada mantenimiento de temporada y sustituirla siempre que se desmonte el termostato para inspección o reemplazo, ya que reutilizar una junta comprimida incrementa el riesgo de fuga. Cambiarla de forma preventiva al sustituir el termostato evita tener que volver a abrir el circuito de refrigeración en plena navegación.
Motores Yanmar Compatibles▾
| Serie | Modelos |
|---|---|
| 3T | 3T95L-GN, 3T95L-NC, 3T95LE-GB, 3T95LE-PP, 3T95LE-S, 3T95LE-SH |
| 3TN | 3TN100E-ACG, 3TN100E-ACGD, 3TN100E-DWS, 3TN100E-SB, 3TN100E-SD1, 3TN100E-SD2, 3TN100E-SMD, 3TN100L-GL, 3TN100L-MK, 3TN100L-P, 3TN100L-PS, 3TN100L-TBZ, 3TN100L-YBA, 3TN100L-YBVM, 3TN100TE-NS |
| 4GP | 4GP98-GB1NA |
| 4LH | 4LH-DTE, 4LH-DTZ, 4LH-HT, 4LH-HTE, 4LH-HTZ, 4LH-HTZAY, 4LH-ST, 4LH-STE, 4LH-STZ, 4LH-STZAY, 4LH-TE, 4LH-UT, 4LH-UTZ, 4LH-UTZAY, 4LH-WST, 4LH-WSTZY |
| 4LHA | 4LHA-DTE, 4LHA-DTE(P), 4LHA-DTZE, 4LHA-DTZE(P), 4LHA-HTE, 4LHA-HTE(P), 4LHA-HTZE, 4LHA-HTZE(P), 4LHA-STE(P), 4LHA-STZE(P) |
| 4T | 4T112TL-NC, 4T112TLE-GB1, 4T95L-GN, 4T95L-NC, 4T95LE-GB, 4T95LE-PP, 4T95LE-S, 4T95LE-SH, 4T95LT-GN, 4T95LT-NC, 4T95LTE-GB, 4T95LTE-PP, 4T95LTE-S, 4T95LTE-SH |
| 4TN | 4TN100E-ACG, 4TN100E-ACGD, 4TN100E-G1, 4TN100E-GB1, 4TN100E-SD1, 4TN100E-SD2, 4TN100L-FA, 4TN100L-FB, 4TN100L-GH, 4TN100L-GL, 4TN100L-GLD, 4TN100L-NC, 4TN100L-P, 4TN100L-PS, 4TN100L-RB, 4TN100L-TQ, 4TN100TE-G1, 4TN100TE-GB1, 4TN100TE-SD1, 4TN100TE-SD2, 4TN100TL-FWA, 4TN100TL-GH, 4TN100TL-GL, 4TN100TL-GLD, 4TN100TL-MCC, 4TN100TL-NC, 4TN100TL-P, 4TN100TL-PS |
| 4TNE | 4TNE92-BNLS, 4TNE92-BRTL, 4TNE92-HHYF, 4TNE92-HRJ, 4TNE92-POM, 4TNE92-POMD, 4TNE92-SNMC, 4TNE92-SNMU, 4TNE94-ACG, 4TNE94-DB, 4TNE94-DBC, 4TNE94-DBK, 4TNE94-DBW, 4TNE94-DBWK, 4TNE94-DBWK2, 4TNE94-EIK, 4TNE94-G1A, 4TNE94-HLB, 4TNE94-HYB, 4TNE94-HYBK, 4TNE94-LAN, 4TNE94-PD, 4TNE94-SA, 4TNE94-SF, 4TNE94-SFW, 4TNE94-WI, 4TNE94L-BSCKS, 4TNE94L-BSDF, 4TNE94L-BSDFC, 4TNE94L-BSNMH, 4TNE94L-BSRTL, 4TNE94L-CKM, 4TNE94L-CKS, 4TNE98-ACG, 4TNE98-ACG24, 4TNE98-AD, 4TNE98-ADS, 4TNE98-AMM, 4TNE98-BNMH, 4TNE98-BNMHN, 4TNE98-BNMHT, 4TNE98-BQCKM, 4TNE98-BQCKS, 4TNE98-BQCKST, 4TNE98-BQDF, 4TNE98-BQDFC, 4TNE98-BQFLC, 4TNE98-BQLS, 4TNE98-BQMFK, 4TNE98-BQSNMS, 4TNE98-BV, 4TNE98-DB, 4TNE98-EBV, 4TNE98-EBVA, 4TNE98-FB, 4TNE98-G1A, 4TNE98-HAF, 4TNE98-HYF, 4TNE98-HYS, 4TNE98-KM, 4TNE98-LAN, 4TNE98-NSR, 4TNE98-SA, 4TNE98-SNMU, 4TNE98-TB, 4TNE98-TBA, 4TNE98-TBL, 4TNE98-TBW, 4TNE98-TBZ, 4TNE98-UPOM, 4TNE98-UPOMD, 4TNE98-UPOMD2, 4TNE98-URTL, 4TNE98-URTLD, 4TNE98-WI |
| 4TNV | 4TNV94L-BVBKC, 4TNV94L-BVDBC, 4TNV94L-BVFN, 4TNV94L-BVLK, 4TNV94L-BVLY, 4TNV94L-BVSU, 4TNV94L-BVSYC, 4TNV94L-BVTY2, 4TNV94L-BVTYW, 4TNV94L-BVVJ, 4TNV94L-BVWD, 4TNV94L-BVXG, 4TNV94L-BVYU, 4TNV94L-BXPHZ, 4TNV94L-BXPLX, 4TNV94L-BXPYB, 4TNV94L-NCKM, 4TNV94L-NCKMK, 4TNV94L-NCKS, 4TNV94L-NCKSK, 4TNV94L-NDL, 4TNV94L-NHZ, 4TNV94L-NLAN, 4TNV94L-NLANG, 4TNV94L-NU2, 4TNV94L-NWI, 4TNV94L-PDBWE, 4TNV94L-PDBWK, 4TNV94L-PHYBW, 4TNV94L-PHYBY, 4TNV94L-PIK, 4TNV94L-PIKA, 4TNV94L-PIKA1, 4TNV94L-PIKA2, 4TNV94L-PLK, 4TNV94L-PLK2, 4TNV94L-PLKC, 4TNV94L-PLY, 4TNV94L-PXGA, 4TNV94L-SBK, 4TNV94L-SFN, 4TNV94L-SFN2, 4TNV94L-SFN2C, 4TNV94L-SFNC, 4TNV94L-SLG, 4TNV94L-SLG2, 4TNV94L-SLY, 4TNV94L-SLYC, 4TNV94L-SSN, 4TNV94L-SSU, 4TNV94L-SSUC, 4TNV94L-SWD, 4TNV94L-SWDC, 4TNV94L-SXG, 4TNV94L-SXGA, 4TNV94L-SXZ, 4TNV94L-SYU, 4TNV94L-SYUA, 4TNV94L-SYUC, 4TNV94L-VLX, 4TNV94L-XDB, 4TNV94L-XDB24, 4TNV94L-XDBC, 4TNV94L-XDBK, 4TNV94L-XDBKC, 4TNV94L-XHYB, 4TNV94L-XHYB2, 4TNV94L-XHYBC, 4TNV94L-ZCPYBC, 4TNV94L-ZWWN, 4TNV94L-ZXSDB, 4TNV94L-ZXSHYB, 4TNV94LPHYBC, 4TNV98-APAS, 4TNV98-APTB, 4TNV98-EGNM, 4TNV98-ENLAN, 4TNV98-ENWI, 4TNV98-EPDBW, 4TNV98-EPDBWF, 4TNV98-EPDBWK, 4TNV98-EPHYB, 4TNV98-EPHYBU, 4TNV98-EPHYBUC, 4TNV98-EPIK, 4TNV98-EPIKA, 4TNV98-EPIKB, 4TNV98-ESDB6, 4TNV98-ESDB6U, 4TNV98-ESDBK, 4TNV98-EXPDBWA, 4TNV98-EXPIKAC, 4TNV98-EXPXG, 4TNV98-EXSDB, 4TNV98-EXSDB1C, 4TNV98-EXSDB1H, 4TNV98-EXSDBA, 4TNV98-EXSDBB, 4TNV98-EXSDBBH, 4TNV98-EXSYU, 4TNV98-GAGR, 4TNV98-GECS, 4TNV98-GGB1B, 4TNV98-GGE, 4TNV98-GGE2, 4TNV98-GGEA, 4TNV98-GGEC, 4TNV98-GGEH, 4TNV98-GGEHC, 4TNV98-GGEHR, 4TNV98-GGEP, 4TNV98-GGF, 4TNV98-GGK, 4TNV98-GMG2, 4TNV98-GPGE, 4TNV98-GPGEC, 4TNV98-IGE, 4TNV98-IGECS, 4TNV98-IGEHR, 4TNV98-IGEP, 4TNV98-IGMF, 4TNV98-IGPGE, 4TNV98-IGQ, 4TNV98-NDI, 4TNV98-NIR, 4TNV98-NIRD, 4TNV98-NKTC, 4TNV98-NLAN, 4TNV98-NLANG, 4TNV98-NLVC, 4TNV98-NSA, 4TNV98-NSA01, 4TNV98-NSA2, 4TNV98-NSAP, 4TNV98-NU2, 4TNV98-NWI, 4TNV98-NXG, 4TNV98-PLYS, 4TNV98-Q2FY, 4TNV98-QFY, 4TNV98-SBF, 4TNV98-SBK, 4TNV98-SCKS, 4TNV98-SDF, 4TNV98-SLY, 4TNV98-SSA, 4TNV98-SSU, 4TNV98-SSUC, 4TNV98-STB1, 4TNV98-SYU, 4TNV98-SYUA, 4TNV98-SYUC, 4TNV98-VDB, 4TNV98-VDB24, 4TNV98-VHYB, 4TNV98-VNS, 4TNV98-VSU, 4TNV98-VTBZ, 4TNV98-VTBZ2, 4TNV98-VTBZC, 4TNV98-VTBZC1, 4TNV98-WTB, 4TNV98-XAT, 4TNV98-XBV, 4TNV98-XDB, 4TNV98-XKMR, 4TNV98-XTBW, 4TNV98-YTBL, 4TNV98-YTBL1, 4TNV98-YTBL2, 4TNV98-ZCPLYS, 4TNV98-ZCPTB, 4TNV98-ZCSLK, 4TNV98-ZCSLY, 4TNV98-ZCSLYB, 4TNV98-ZCSSU, 4TNV98-ZCSVJ, 4TNV98-ZCSXG, 4TNV98-ZCVDB, 4TNV98-ZCVDB1C, 4TNV98-ZCVFN, 4TNV98-ZCVHYB, 4TNV98-ZCVIK, 4TNV98-ZCVKBHC, 4TNV98-ZCVYU, 4TNV98-ZCVYUC, 4TNV98-ZCWSHC, 4TNV98-ZGGE, 4TNV98-ZGGEC, 4TNV98-ZGGEH, 4TNV98-ZGGES, 4TNV98-ZGGET, 4TNV98-ZGGK, 4TNV98-ZGGKF, 4TNV98-ZGPGE, 4TNV98-ZNAS, 4TNV98-ZNAT, 4TNV98-ZNCR, 4TNV98-ZNCR2, 4TNV98-ZNCR2L, 4TNV98-ZNDI, 4TNV98-ZNDS, 4TNV98-ZNFA, 4TNV98-ZNGT, 4TNV98-ZNGTF, 4TNV98-ZNHQ, 4TNV98-ZNHQM, 4TNV98-ZNIME, 4TNV98-ZNIRE, 4TNV98-ZNIRED, 4TNV98-ZNKTC, 4TNV98-ZNLANA, 4TNV98-ZNLS, 4TNV98-ZNMS, 4TNV98-ZNMS2, 4TNV98-ZNMS2F, 4TNV98-ZNMS3R, 4TNV98-ZNMSF, 4TNV98-ZNNA, 4TNV98-ZNPZ, 4TNV98-ZNRKA, 4TNV98-ZNSA2D, 4TNV98-ZNSAD, 4TNV98-ZNSADC, 4TNV98-ZNSADT, 4TNV98-ZNSAP, 4TNV98-ZNSU, 4TNV98-ZNTBL, 4TNV98-ZNTG, 4TNV98-ZNTGT, 4TNV98-ZNWI, 4TNV98-ZNYE, 4TNV98-ZNYE2, 4TNV98-ZPIKB, 4TNV98-ZPJLW, 4TNV98-ZPLYS, 4TNV98-ZPLYW, 4TNV98-ZPLYWB, 4TNV98-ZPTX, 4TNV98-ZQTB, 4TNV98-ZQTBZ, 4TNV98-ZSCKS, 4TNV98-ZSDF, 4TNV98-ZSJLW, 4TNV98-ZSPR, 4TNV98-ZSSU, 4TNV98-ZVHYB, 4TNV98-ZVHYB1, 4TNV98-ZVIK, 4TNV98-ZVNS, 4TNV98-ZWBV, 4TNV98-ZWBV1, 4TNV98-ZWDB5, 4TNV98-ZWDB7, 4TNV98-ZWDB8, 4TNV98-ZWDB8F, 4TNV98-ZWDB8U, 4TNV98-ZWMB, 4TNV98-ZXVHBWC, 4TNV98C-GGE, 4TNV98C-L2WKBH, 4TNV98C-NAS, 4TNV98C-NCR, 4TNV98C-NCRV, 4TNV98C-NGT, 4TNV98C-NMS, 4TNV98C-NMS2, 4TNV98C-NMS2V, 4TNV98C-NMSL, 4TNV98C-NMSLV, 4TNV98C-NMSV, 4TNV98C-NNZ, 4TNV98C-NSA, 4TNV98C-NTS, 4TNV98C-NVF, 4TNV98C-NVFV, 4TNV98C-NWI, 4TNV98C-NYEM, 4TNV98C-NYEM2, 4TNV98C-NYI2, 4TNV98C-NYI2D, 4TNV98C-PHYB, 4TNV98C-PHYB1, 4TNV98C-PHYBH, 4TNV98C-PHYBH1, 4TNV98C-PIK, 4TNV98C-PJLW, 4TNV98C-PJLW2, 4TNV98C-PJLW25, 4TNV98C-PJLW35, 4TNV98C-PJLW35V, 4TNV98C-PJLW5, 4TNV98C-PJLW5V, 4TNV98C-PJLW6V, 4TNV98C-PJLWV, 4TNV98C-PKH, 4TNV98C-PLYS, 4TNV98C-QLYF, 4TNV98C-S6HA, 4TNV98C-SJLW, 4TNV98C-SJLW5, 4TNV98C-SJLW5V, 4TNV98C-SJLW6V, 4TNV98C-SJLWV, 4TNV98C-SLY, 4TNV98C-SSU, 4TNV98C-STX, 4TNV98C-VDB6, 4TNV98C-VDB8, 4TNV98C-VIK, 4TNV98C-WBV, 4TNV98C-WBV1, 4TNV98C-WBV2, 4TNV98C-WHB5, 4TNV98C-WSY, 4TNV98CT-GGE, 4TNV98CT-L2VMB, 4TNV98CT-L2VYB, 4TNV98CT-L2VYBD, 4TNV98CT-L2WSH, 4TNV98CT-NCP, 4TNV98CT-NEN, 4TNV98CT-NKW, 4TNV98CT-NLYS, 4TNV98CT-NMS, 4TNV98CT-NMSL, 4TNV98CT-NPR, 4TNV98CT-NPRV, 4TNV98CT-NVT, 4TNV98CT-NYI2, 4TNV98CT-NYI2D, 4TNV98CT-PGWL, 4TNV98CT-PGWL1V, 4TNV98CT-PJLW, 4TNV98CT-PJLW5, 4TNV98CT-V6HA, 4TNV98CT-VBV, 4TNV98CT-VKTC, 4TNV98CT-VPR, 4TNV98CT-VPRV, 4TNV98CT-VSY, 4TNV98CT-VTX, 4TNV98CT-VTX2, 4TNV98CT-WTB, 4TNV98CT-WTBZ, 4TNV98CT-XNJLWV, 4TNV98CT-XNLW5, 4TNV98CT-XNLW5V, 4TNV98CT-XNLW6, 4TNV98CT-XNLW6V, 4TNV98CT-XNMS, 4TNV98CT-XNMSL, 4TNV98CT-XNMSLV, 4TNV98CT-XNMSV, 4TNV98T-GECS, 4TNV98T-GGE, 4TNV98T-GGE2, 4TNV98T-GGEA, 4TNV98T-GGEC, 4TNV98T-GGEH, 4TNV98T-GGEHC, 4TNV98T-GGEHR, 4TNV98T-GGEP, 4TNV98T-GGQ, 4TNV98T-GKL, 4TNV98T-GPGE, 4TNV98T-GPGEC, 4TNV98T-N2FN, 4TNV98T-NAT, 4TNV98T-NDI, 4TNV98T-NHK, 4TNV98T-NIR, 4TNV98T-NKDC, 4TNV98T-NKTC, 4TNV98T-NNSV, 4TNV98T-NSA, 4TNV98T-NSA01, 4TNV98T-NSA2, 4TNV98T-NSAP, 4TNV98T-NSV, 4TNV98T-NU2, 4TNV98T-NWD, 4TNV98T-PKTF, 4TNV98T-SABS, 4TNV98T-SBF, 4TNV98T-SBK, 4TNV98T-SFN, 4TNV98T-SHYB, 4TNV98T-SHYB24, 4TNV98T-SIK, 4TNV98T-SLG, 4TNV98T-SLY, 4TNV98T-SSU, 4TNV98T-SSZA, 4TNV98T-STXC, 4TNV98T-ZCNISC, 4TNV98T-ZCNKTC, 4TNV98T-ZCNLSC, 4TNV98T-ZCNLYS, 4TNV98T-ZCSIK, 4TNV98T-ZCSLG, 4TNV98T-ZCSLK, 4TNV98T-ZCSLY, 4TNV98T-ZCSLY1, 4TNV98T-ZCSSU, 4TNV98T-ZCSTY, 4TNV98T-ZCSVJ, 4TNV98T-ZCSXG, 4TNV98T-ZCXSL2C, 4TNV98T-ZCXSLC, 4TNV98T-ZGECS, 4TNV98T-ZGGE, 4TNV98T-ZGGEC, 4TNV98T-ZGGEH, 4TNV98T-ZGGEHJ, 4TNV98T-ZGGES, 4TNV98T-ZGGET, 4TNV98T-ZGGM, 4TNV98T-ZGKL, 4TNV98T-ZGKLF, 4TNV98T-ZGMF, 4TNV98T-ZGNE1, 4TNV98T-ZGPGE, 4TNV98T-ZNAT, 4TNV98T-ZNDI, 4TNV98T-ZNHK, 4TNV98T-ZNHQ, 4TNV98T-ZNIKB, 4TNV98T-ZNIME, 4TNV98T-ZNIR, 4TNV98T-ZNIRD, 4TNV98T-ZNIRDT, 4TNV98T-ZNKTC, 4TNV98T-ZNLSC, 4TNV98T-ZNLYS, 4TNV98T-ZNMS, 4TNV98T-ZNPZ, 4TNV98T-ZNSA2D, 4TNV98T-ZNSAD, 4TNV98T-ZNSADC, 4TNV98T-ZNSADT, 4TNV98T-ZNSAP, 4TNV98T-ZNSV, 4TNV98T-ZNTBL, 4TNV98T-ZNTG, 4TNV98T-ZPDS, 4TNV98T-ZSBK, 4TNV98T-ZSBV1, 4TNV98T-ZSKTC, 4TNV98T-ZSLY, 4TNV98T-ZSOM, 4TNV98T-ZSPR, 4TNV98T-ZSTBW, 4TNV98T-ZXCR, 4TNV98T-ZXLA1, 4TNV98T-ZXLA2, 4TNV98T-ZXNDI, 4TNV98T-ZXNDP, 4TNV98T-ZXNMS, 4TNV98T-ZXWBV, 4TNV98T-ZXWTB, 4TNV98T-ZXWTB2, 4TNV98TNLANG |
Referencias equivalentes de fabricante▾
| Fabricante/Marca | Referencia/Part Number |
|---|---|
| Yanmar | 121850-49550 |
