{"product_id":"thermostat-housing-audi-a1-105813-100389","title":"Thermostat Housing Audi A1 \/ VW Polo 6R 6S\/ SEAT Ibiza – 105813 \/ 100389","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eThermostat Housing for Audi A1 \/ VW Polo \/ SEAT Ibiza – 105813 \/ 100389\u003c\/h2\u003e\n\u003cp\u003eThis thermostat housing listing includes two fitment-based options for the vehicle applications listed below. Option 105813 corresponds to OE 03C121111P. Option 100389 corresponds to OE 03C121111T. Confirm compatibility by matching the exact OE reference number first, then VIN and engine code where variants exist.\u003c\/p\u003e\n\u003ch3\u003eKey Details\u003c\/h3\u003e\n\u003cdl style=\"display: grid; grid-template-columns: 140px 1fr; gap: 6px 12px; margin: 0;\"\u003e\n\u003cdt style=\"font-weight: 600; margin: 0;\"\u003eSKU\u003c\/dt\u003e\n\u003cdd style=\"margin: 0;\"\u003e105813 \/ 100389\u003c\/dd\u003e\n\u003cdt style=\"font-weight: 600; margin: 0;\"\u003eComponent\u003c\/dt\u003e\n\u003cdd style=\"margin: 0;\"\u003eThermostat Housing\u003c\/dd\u003e\n\u003cdt style=\"font-weight: 600; margin: 0;\"\u003eOEM References\u003c\/dt\u003e\n\u003cdd style=\"margin: 0;\"\u003e\n\u003cul style=\"margin: 0; padding-left: 18px;\"\u003e\n\u003cli\u003e03C121111P (Audi \/ VW) – Option 105813 (80-110°C)\u003c\/li\u003e\n\u003cli\u003e03C121111T (Audi \/ VW) – Option 100389 (80-120°C)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/dd\u003e\n\u003cdt style=\"font-weight: 600; margin: 0;\"\u003eIncluded\u003c\/dt\u003e\n\u003cdd style=\"margin: 0;\"\u003eTwo selectable options: 105813 or 100389. Customer must choose the correct option.\u003c\/dd\u003e\n\u003cdt style=\"font-weight: 600; margin: 0;\"\u003eSpecs\u003c\/dt\u003e\n\u003cdd style=\"margin: 0;\"\u003e105813: Switch point from 80 °C; switch point to 110 °C. 100389: Switch point from 83 °C; switch point to 120 °C.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eOption\u003c\/th\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eOEM Reference\u003c\/th\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eSwitch Range\u003c\/th\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eMain Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e105813\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e03C121111P\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e80 °C to 110 °C\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eAudi A1 1.4 TFSI and VW 1.4 TSI \/ TFSI applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003e100389\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e03C121111T\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e83 °C to 120 °C\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eVW Polo \/ Polo Vivo \/ Jetta 1.6 and SEAT Ibiza 1.6 applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOption 105813 – OE 03C121111P\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch point:\u003c\/strong\u003e 80°C to 110°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e Audi A1 1.4 TFSI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e VW 1.4 TSI \/ TFSI applications like Golf 6, Scirocco, Tiguan, Beetle, Jetta, Touran\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon engine families in your list:\u003c\/strong\u003e CAVG, CTHG, CAVD, CTHD, CNWA, CTKA, BWK, CAVA, CTHA, CAVC, CTHC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOption 100389 – OE 03C121111T\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwitch point:\u003c\/strong\u003e 83°C to 120°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e VW Polo \/ Polo Vivo \/ Jetta 1.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed on:\u003c\/strong\u003e SEAT Ibiza 1.6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon engine families in your list:\u003c\/strong\u003e BTS, CFNA, CLRA, CDDA, CGGB, CLPA, CLPB, CLSA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Differences\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDifferent temperature range\u003c\/li\u003e\n\u003cli\u003eDifferent engine applications\u003c\/li\u003e\n\u003cli\u003eDifferent OE number\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSelection Guidance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDo not assume these two options are interchangeable, even if they look similar.\u003c\/li\u003e\n\u003cli\u003eThe safest rule is to match by exact OE number first, then VIN and engine code.\u003c\/li\u003e\n\u003cli\u003e03C121111P = 105813\u003c\/li\u003e\n\u003cli\u003e03C121111T = 100389\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo fitment-based thermostat housing options are listed for customer selection\u003c\/li\u003e\n\u003cli\u003eOEM reference numbers are provided to support accurate part matching\u003c\/li\u003e\n\u003cli\u003eSwitch point ranges are listed for both options\u003c\/li\u003e\n\u003cli\u003eEngine family groupings are included to help identify the correct option\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOEM Reference Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi \/ VW:\u003c\/strong\u003e 03C121111P (Option 105813)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi \/ VW:\u003c\/strong\u003e 03C121111T (Option 100389)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: left;\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding: 8px; background-color: #f2f2f2;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 105813\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eThermostat Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 105813 OEM\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e03C121111P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 105813 Switch point from [°C]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e80 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 105813 Switch point to [°C]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e110 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 100389\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eThermostat Housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 100389 OEM\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e03C121111T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 100389 Switch point from [°C]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e83 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOption 100389 Switch point to [°C]\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e120 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSelection Note\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCustomer must choose the correct option by OE number, VIN, and engine code\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOption 105813 – OEM 03C121111P\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi A1 \/ S1 (8X1, 8XK)\u003c\/strong\u003e – 1.4 TFSI (CAVG|CTHG) – 136 kW \/ 185 HP, 2011 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudi A1 \/ S1 Sportback (8XA, 8XF)\u003c\/strong\u003e – 1.4 TFSI (CAVG|CTHG) – 136 kW \/ 185 HP, 2012 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Beetle (5C1, 5C2)\u003c\/strong\u003e – 1.4 TSI (CAVD|CNWA|CTHD|CTKA) – 118 kW \/ 160 HP, 2011 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen EOS (1F7, 1F8)\u003c\/strong\u003e – 1.4 TSI (CAVD|CTHD) – 118 kW \/ 160 HP, 2007 – 2011\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Golf VI (5K1)\u003c\/strong\u003e – 1.4 TSI (CAVD|CNWA|CTHD) – 118 kW \/ 160 HP, 2008 – 2013\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Golf VI Cabriolet (517)\u003c\/strong\u003e – 1.4 TSI (CAVD|CNWA|CTHD|CTKA) – 118 kW \/ 160 HP, 2012 – 2017\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Golf VI Van (5K1)\u003c\/strong\u003e – 1.4 TSi (CAVD) – 118 kW \/ 160 HP, 2008 – 2012\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Jetta V (1K2)\u003c\/strong\u003e – 1.4 TSI (CAVD) – 118 kW \/ 160 HP, 2005 – 2011\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Jetta VI (162, 163, AV3, AV2)\u003c\/strong\u003e – 1.4 TSI (CAVD|CTHD) – 118 kW \/ 160 HP, 2010 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo III (6R1, 6C1)\u003c\/strong\u003e – 1.4 GTI (CAVE|CTHE) – 132 kW \/ 180 HP, 2009 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Scirocco III (137, 138)\u003c\/strong\u003e – 1.4 TSI (CAVD|CNWA|CTHD|CTKA) – 118 kW \/ 160 HP, 2009 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Tiguan (5N_)\u003c\/strong\u003e – 1.4 TSI (BWK|CAVA|CTHA) – 110 kW \/ 150 HP, 2007 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Tiguan (5N_)\u003c\/strong\u003e – 1.4 TSI (CAVD|CTHD) – 118 kW \/ 160 HP, 2007 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Tiguan (5N_)\u003c\/strong\u003e – 1.4 TSI 4motion (BWK|CAVA|CTHA) – 110 kW \/ 150 HP, 2007 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Tiguan (5N_)\u003c\/strong\u003e – 1.4 TSI 4motion (CAVD|CTHD) – 118 kW \/ 160 HP, 2007 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Tiguan VAN (5N_)\u003c\/strong\u003e – 1.4 TSI (5N2) (CTHD) – 118 kW \/ 160 HP, 2007 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Touran (1T3)\u003c\/strong\u003e – 1.4 TSI (CAVC|CTHC) – 103 kW \/ 140 HP, 2010 – 2016\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Touran Box Body\/MPV (1T3)\u003c\/strong\u003e – 1.4 TSI (CAVC|CTHC) – 103 kW \/ 140 HP, 2010 – 2015\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOption 100389 – OEM 03C121111T\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEAT Ibiza IV (6J5, 6P1)\u003c\/strong\u003e – 1.6 (BTS) – 77 kW \/ 105 HP, 2008 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSEAT Ibiza IV SC (6J1, 6P5)\u003c\/strong\u003e – 1.6 (BTS) – 77 kW \/ 105 HP, 2008 – 2015\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Jetta VI (162, 163, AV3, AV2)\u003c\/strong\u003e – 1.6 (CFNA|CLRA) – 77 kW \/ 105 HP, 2010 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo II (9N_, 9A_)\u003c\/strong\u003e – 1.6 16V (BTS) – 77 kW \/ 105 HP, 2001 – 2010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo III (6R1, 6C1)\u003c\/strong\u003e – 1.4 (6R1) (CDDA|CGGB|CLPA) – 63 kW \/ 85 HP, 2009 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo III (6R1, 6C1)\u003c\/strong\u003e – 1.6 (CFNA|CLSA) – 77 kW \/ 105 HP, 2009 – 2018\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo III Saloon (602, 604, 612, 614)\u003c\/strong\u003e – 1.6 (CFNA) – 77 kW \/ 105 HP, 2011 – 2022\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6R1, 6RS, 6RT)\u003c\/strong\u003e – 1.4 (CLPA) – 63 kW \/ 86 HP, 2018 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6R1, 6RS, 6RT)\u003c\/strong\u003e – 1.4 (CLPB) – 55 kW \/ 75 HP, 2018 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6R1, 6RS, 6RT)\u003c\/strong\u003e – 1.6 (CLSA) – 77 kW \/ 105 HP, 2018 – 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6S1, 6S3)\u003c\/strong\u003e – 1.4 (CLPA) – 63 kW \/ 86 HP, 2010 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6S1, 6S3)\u003c\/strong\u003e – 1.4 (CLPB) – 55 kW \/ 75 HP, 2010 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Hatchback (6S1, 6S3)\u003c\/strong\u003e – 1.6 16V (CLSA) – 77 kW \/ 105 HP, 2010 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Saloon (6S2, 6S4)\u003c\/strong\u003e – 1.4 (CLPA) – 63 kW \/ 86 HP, 2010 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Saloon (6S2, 6S4)\u003c\/strong\u003e – 1.4 (CLPB) – 55 kW \/ 75 HP, 2010 – 2019\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolkswagen Polo Vivo Saloon (6S2, 6S4)\u003c\/strong\u003e – 1.6 (CLSA) – 77 kW \/ 105 HP, 2010 – 2019\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways match by OEM reference number(s) and vehicle details before ordering.\u003c\/li\u003e\n\u003cli\u003eConfirm exact fitment using your VIN, engine code, or chassis number if multiple variants exist.\u003c\/li\u003e\n\u003cli\u003eChoose the correct option before purchase, as 105813 and 100389 are fitment-specific alternatives with different switch ranges.\u003c\/li\u003e\n\u003cli\u003eSouth Africa nationwide delivery available – contact us for fitment assistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I choose between 105813 and 100389?\u003c\/strong\u003e\u003cbr\u003eMatch by exact OE number first, then VIN and engine code. 03C121111P corresponds to 105813. 03C121111T corresponds to 100389.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the two thermostat housings?\u003c\/strong\u003e\u003cbr\u003eThe practical differences are the temperature range, the engine applications, and the OE number. Option 105813 is 80°C to 110°C. Option 100389 is 83°C to 120°C.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I assume they are interchangeable if they look similar?\u003c\/strong\u003e\u003cbr\u003eNo. Do not assume these two options are interchangeable. Match by exact OE number first, then VIN and engine code.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is included in the listing?\u003c\/strong\u003e\u003cbr\u003eThis is a multi-option thermostat housing listing where the customer must choose the correct variant: 105813 or 100389.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e","brand":"MAP Pro","offers":[{"title":"80-120°C","offer_id":51850968203495,"sku":"100389","price":698.0,"currency_code":"ZAR","in_stock":true},{"title":"80-110°C","offer_id":51850968236263,"sku":"105813","price":867.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0606\/5943\/3703\/files\/100389.jpg?v=1750548803","url":"https:\/\/modernautoparts.co.za\/products\/thermostat-housing-audi-a1-105813-100389","provider":"Modern Auto Parts ","version":"1.0","type":"link"}