Tillbaka till listan
Tätningsring, EGR-ventilledning 728.870 Elring
Produktnummer: 1433066
Tillverkare kod: 728.870
EAN: 4041248871966
-
14 dagars ångerrätt
-
Beställ smidigt och betala tryggt
-
Snabb leverans: 2 dagar
-
Expert Kundservice
Modellmatchande garanti, Hitta rätt bildelar.
eller .
-
Specifikationer
Position Avgasturbo (ATL) För AGR-kylare Antal fästhål 2 Garanti 2 år Liknande produkter från andra tillverkare
Tillverkare Tillverkare kod Pris ELRING 728.870 (denna produkt) Tillverkare Tillverkare kod Pris WILMINK GROUP WG2136172 -
Tillämplighet
MAN TGE Buss TGE Buss | 02.2017-06.2024 2.0 TDI - 1968ccm, 140pk, 103kw - DAUA, DNAE TGE Buss | 02.2017-06.2024 2.0 TDI - 1968ccm, 102pk, 75kw - DAUB, DNAD TGE Buss | 02.2017-06.2024 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Buss | 02.2017-06.2024 2.0 TDI AWD - 1968ccm, 140pk, 103kw - DAUA, DNAE TGE Buss | 02.2017-06.2024 2.0 TDI AWD - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Buss | 02.2017-06.2024 2.0 TDI RWD - 1968ccm, 122pk, 90kw - DASA TGE Buss | 02.2017-06.2024 2.0 TDI RWD - 1968ccm, 177pk, 130kw - DAWA TGE Flak/chassi TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI - 1968ccm, 102pk, 75kw - DAUB, DNAD TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI (UZB, UZC, 08V, UZH, UZI, 10V, UZO, UZP, 21V,... - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI AWD - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI AWD (UZB, UZC, 15V, UZH, UZI, 19V, UZO, UZP,... - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI RWD - 1968ccm, 122pk, 90kw - DASA TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI RWD - 1968ccm, 177pk, 130kw - DAWA TGE Flak/chassi (UZ_) | 11.2016-06.2024 2.0 TDI RWD (UZB, UZC, UZD, 14V, 29V, UZH, UZI, 18V, 30V... - 1968ccm, 140pk, 103kw - DASB, DREB TGE Skåp TGE Skåp | 02.2017-06.2024 2.0 TDI (01V, 03V, 36V, UYB, UYC, UYD) - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE TGE Skåp | 02.2017-06.2024 2.0 TDI (01V, 03V, 36V, UYB, UYC, UYD) - 1968ccm, 102pk, 75kw - DAUB, DNAD TGE Skåp | 02.2017-06.2024 2.0 TDI (01V, 03V, 36V, UYB, UYC, UYD) - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Skåp | 02.2017-06.2024 2.0 TDI AWD (02V, 04V, 37V, UYB, UYC, UYD) - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE TGE Skåp | 02.2017-06.2024 2.0 TDI AWD (02V, 04V, 37V, UYB, UYC, UYD) - 1968ccm, 177pk, 130kw - DAVA, DMZB TGE Skåp | 02.2017-06.2024 2.0 TDI RWD (11V, 12V, 33V, 34V, UYB, UYC, UYD) - 1968ccm, 122pk, 90kw - DASA TGE Skåp | 02.2017-06.2024 2.0 TDI RWD (11V, 12V, 33V, 34V, UYB, UYC, UYD) - 1968ccm, 177pk, 130kw - DAWA TGE Skåp | 02.2017-06.2024 2.0 TDI RWD (11V, 12V, UYB, UYC, UYD) - 1968ccm, 140pk, 103kw - DASB, DREB VOLKSWAGEN AMAROK AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B) | 09.2010-05.2022 2.0 BiTDI - 1968ccm, 163pk, 120kw - CDCA AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B) | 09.2010-05.2022 2.0 BiTDI 4motion - 1968ccm, 163pk, 120kw - CDCA AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B) | 09.2010-05.2022 2.0 TDI - 1968ccm, 122pk, 90kw - CDBA, CNFA AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B) | 09.2010-05.2022 2.0 TDI 4motion - 1968ccm, 122pk, 90kw - CDBA, CNFA AMAROK Flak/chassi AMAROK Flak/chassi (S1B, S6B, S7B) | 09.2011-05.2022 2.0 TDI - 1968ccm, 122pk, 90kw - CDBA, CNFA CALIFORNIA T6 CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 102pk, 75kw - CAAB, CXGB CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 204pk, 150kw - CXEB, DMZA CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 199pk, 146kw - CXEC CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 84pk, 62kw - CXGA CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 90pk, 66kw - CXGD, DNAC CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 114pk, 84kw - CXHB CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI - 1968ccm, 110pk, 81kw - CXHC, DNAB CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 204pk, 150kw - CXEB, DMZA CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 199pk, 146kw - CXEC CALIFORNIA T6 Camper (SGC, SGG, SHC) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA CRAFTER 30-35 CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 109pk, 80kw - CKTB, CSLA CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 136pk, 100kw - CKTC CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 142pk, 105kw - CKUC CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 114pk, 84kw - CSLB CRAFTER 30-35 Buss (2E_) | 04.2006-12.2016 2.0 TDI 4motion - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER 30-50 CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 109pk, 80kw - CKTB, CSLA CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 136pk, 100kw - CKTC CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 142pk, 105kw - CKUC CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 114pk, 84kw - CSLB CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 140pk, 103kw - CSLC CRAFTER 30-50 Flak/chassi (2F_) | 04.2006-12.2016 2.0 TDI 4motion - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 109pk, 80kw - CKTB, CSLA CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 136pk, 100kw - CKTC CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 142pk, 105kw - CKUC CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 114pk, 84kw - CSLB CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI - 1968ccm, 140pk, 103kw - CSLC CRAFTER 30-50 Skåp (2E_) | 04.2006-12.2016 2.0 TDI 4motion - 1968ccm, 163pk, 120kw - CKUB, CSNA CRAFTER Buss CRAFTER Buss (SYI, SYJ) | 09.2016-06.2024 2.0 TDI - 1968ccm, 140pk, 103kw - DAUA, DNAE CRAFTER Buss (SYI, SYJ) | 09.2016-06.2024 2.0 TDI - 1968ccm, 102pk, 75kw - DAUB, DNAD CRAFTER Buss (SYI, SYJ) | 09.2016-06.2024 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Buss (SYI, SYJ) | 09.2016-06.2024 2.0 TDI 4motion - 1968ccm, 140pk, 103kw - DAUA, DNAE CRAFTER Buss (SYI, SYJ) | 09.2016-06.2024 2.0 TDI 4motion - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Flak/chassi CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI - 1968ccm, 102pk, 75kw - DAUB, DNAD CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI 4motion - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI 4motion - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI RWD - 1968ccm, 122pk, 90kw - DASA CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI RWD - 1968ccm, 109pk, 80kw - DASC CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI RWD - 1968ccm, 177pk, 130kw - DAWA CRAFTER Flak/chassi (SZ_) | 11.2016-06.2024 2.0 TDI RWD (SZB, SZC, SZD, SZH, SZI) - 1968ccm, 140pk, 103kw - DASB, DREB CRAFTER Skåp CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI - 1968ccm, 102pk, 75kw - DAUB, DNAD CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI 4motion - 1968ccm, 140pk, 103kw - DAUA, DNAE, DMZE CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI 4motion - 1968ccm, 177pk, 130kw - DAVA, DMZB CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI RWD - 1968ccm, 122pk, 90kw - DASA CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI RWD - 1968ccm, 140pk, 103kw - DASB, DREB CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI RWD - 1968ccm, 109pk, 80kw - DASC CRAFTER Skåp (SY_, SX_) | 09.2016-06.2024 2.0 TDI RWD - 1968ccm, 177pk, 130kw - DAWA GRAND CALIFORNIA GRAND CALIFORNIA Camper (SCB, SCC) | 04.2019-??? 2.0 TDI - 1968ccm, 140pk, 103kw - DAUA, DNAE GRAND CALIFORNIA Camper (SCB, SCC) | 04.2019-??? 2.0 TDI - 1968ccm, 177pk, 130kw - DAVA, DMZB GRAND CALIFORNIA Camper (SCB, SCC) | 04.2019-??? 2.0 TDI 4motion - 1968ccm, 140pk, 103kw - DAUA, DNAE GRAND CALIFORNIA Camper (SCB, SCC) | 04.2019-??? 2.0 TDI 4motion - 1968ccm, 177pk, 130kw - DAVA, DMZB MULTIVAN T6 MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 84pk, 62kw - CAAA, CXGA MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 102pk, 75kw - CAAB, CXGB MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 204pk, 150kw - CXEB, DMZA MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 199pk, 146kw - CXEC MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 114pk, 84kw - CXHB MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI - 1968ccm, 110pk, 81kw - CXHC, DNAB MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 204pk, 150kw - CXEB, DMZA MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 199pk, 146kw - CXEC MULTIVAN T6 (SGF, SGM, SGN, SHM, SHN) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA TRANSPORTER T6 TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 84pk, 62kw - CAAA, CXGA TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 102pk, 75kw - CAAB, CXGB TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 90pk, 66kw - CXGD, DNAC TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 114pk, 84kw - CXHB TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI - 1968ccm, 110pk, 81kw - CXHC, DNAB TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 / CARAVELLE T6 Buss (SGB, SGJ, SHB, SHJ) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 84pk, 62kw - CAAA, CXGA TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 102pk, 75kw - CAAB, CXGB TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 90pk, 66kw - CXGD, DNAC TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 150pk, 110kw - CXHA, DNAA TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 114pk, 84kw - CXHB TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI - 1968ccm, 110pk, 81kw - CXHC, DNAB TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI 4motion - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI 4motion - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 Flak/chassi (SFD, SFE, SFL, SFZ, SJD, SJE, SJ | 04.2015-11.2019 2.0 TDI 4motion - 1968ccm, 150pk, 110kw - CXHA, DNAA TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 84pk, 62kw - CAAA, CXGA TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 102pk, 75kw - CAAB, CXGB TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 90pk, 66kw - CXGD, DNAC TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 114pk, 84kw - CXHB TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI - 1968ccm, 110pk, 81kw - CXHC, DNAB TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 204pk, 150kw - CXEB, DMZA TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 199pk, 146kw - CXEC TRANSPORTER T6 Skåp (SGA, SGH, SHA, SHH) | 04.2015-12.2019 2.0 TDI 4motion - 1968ccm, 150pk, 110kw - CXFA, CXHA, DNAA -
Originalnummer
03L 131 547 P SKODA 03L 131 547 P VW 65.08901-0002 MAN 03L 131 547 P CUPRA 03L 131 547 P AUDI 03L 131 547 P SEAT -
Tillverkare
Elring levererar OE leverantör till olika tillverkare. Audi, BMW, Mercedes, Ford, Opel, Volkswagen och många fler märken är bland de vanliga kunderna. Programmet av Elring innefattar:
-
Leveranstid
Förväntat leveransdatum:
18-05-2024
-
Fråga?
Säker betalning