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Coolant Tank Cap FIRST LINE FRC112 OE Ref 3B0121321

Please select your vehicle for fitment.
4.9 on 7 reviews
Key Specification:
  • EAN: 5038068427663
  • OEM Reference number: 3B0121321
  • Supplementary Info: Radiator Cap
  • Material: Plastic
  • Diameter [mm]: 79
See Full Specification
Sale
£ 25.00
£ 20.18 excl. VAT
In Stock
SKU:FIRST LINE FRC112
BrandFIRST LINE
FIRST LINE
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EAN
5038068427663
OEM Reference number
3B0121321
Supplementary Info
Radiator Cap
Material
Plastic
Diameter [mm]
79
Colour
Blue
PURPOSE GROUP
Coolant Tank
Pressure [bar]
1-4
Pressure [psi] to
20

Exceptional Coolant Tank Cap FIRST LINE OE Ref for AUDI, SEAT, SKODA, VAUXHALL, VW

This Coolant Tank Cap FIRST LINE OE Ref is designed for those who demand reliability and value for money. Equivalent to OEM Part Number 3B0121321, it’s manufactured by FIRST LINE, a name synonymous with quality and precision engineering. Available at an unbeatable price of £25.00, it includes Reference Number FRC112 and EAN EAN: 5038068427663 for easy identification.

Our Engine Cooling System parts are crafted from premium materials, ensuring enhanced durability and long-term performance. Whether you’re dealing with wear and tear or replacing a damaged part, this Coolant Tank Cap FIRST LINE OE Ref offers the perfect blend of quality and affordability.

  • Radiator Cap

Why This Coolant Tank Cap FIRST LINE OE Ref Stands Out:

  • Designed to meet OEM quality standards for a guaranteed fit.
  • Perfect for
    • AUDI
      • A1 (8X1, 8XK) From 05/2010 to 10/2018
      • A1 Sportback (8XA, 8XF) From 09/2011 to 10/2018
      • A3 (8P1) From 05/2003 to 12/2013
      • A3 (8V1, 8VK) From 04/2012 to 10/2020
      • A3 Convertible (8P7) From 04/2008 to 05/2013
      • A3 Convertible (8V7, 8VE) From 10/2013
      • A3 Limousine (8VS, 8VM) From 05/2013
      • A3 Sportback (8PA) From 09/2004 to 12/2015
      • A3 Sportback (8VA, 8VF) From 09/2012 to 10/2020
      • A4 Allroad B8 (8KH) From 04/2009 to 05/2016
      • A4 B5 (8D2) From 11/1994 to 12/2001
      • A4 B5 Avant (8D5) From 11/1994 to 12/2002
      • A4 B6 (8E2) From 11/2000 to 12/2005
      • A4 B6 Avant (8E5) From 02/2000 to 12/2005
      • A4 B6 Convertible (8H7) From 01/2002 to 12/2009
      • A4 B7 (8EC) From 11/2004 to 06/2008
      • A4 B7 Avant (8ED) From 11/2004 to 06/2008
      • A4 B7 Convertible (8HE) From 01/2002 to 12/2009
      • A4 B8 (8K2) From 08/2007 to 09/2016
      • A4 B8 Avant (8K5) From 11/2007 to 12/2015
      • A5 (8T3) From 06/2007 to 01/2017
      • A5 (F53, F5P) From 06/2016
      • A5 Convertible (8F7) From 02/2009 to 01/2017
      • A5 Convertible (F57, F5E) From 11/2016
      • A5 Sportback (8TA) From 07/2007 to 01/2017
      • A5 Sportback (F5A, F5F) From 06/2016
      • A6 Allroad C6 (4FH) From 03/2006 to 08/2011
      • A6 Allroad C7 (4GH, 4GJ) From 01/2012 to 09/2018
      • A6 C6 (4F2) From 04/2004 to 08/2011
      • A6 C6 Avant (4F5) From 11/2004 to 08/2011
      • A6 C7 (4G2, 4GC) From 11/2010 to 09/2018
      • A6 C7 Avant (4G5, 4GD) From 05/2011 to 09/2018
      • A7 Sportback (4GA, 4GF) From 07/2010 to 05/2018
      • Q5 (8RB) From 11/2008 to 12/2017
      • TT (8J3) From 07/2006 to 01/2015
      • TT Roadster (8J9) From 03/2007 to 06/2014
    • SEAT
      • ALHAMBRA (710, 711) From 06/2010
      • ALTEA (5P1) From 03/2004
      • ALTEA XL (5P5, 5P8) From 10/2006
      • CORDOBA (6K1, 6K2) From 02/1993 to 12/2002
      • CORDOBA (6L2) From 09/2002 to 11/2009
      • EXEO (3R2) From 12/2008 to 05/2013
      • EXEO ST (3R5) From 05/2009 to 05/2013
      • IBIZA Mk II (6K1) From 03/1993 to 05/2002
      • IBIZA Mk III (6L1) From 02/2002 to 11/2009
      • IBIZA Mk IV (6J5, 6P1) From 03/2008 to 12/2017
      • IBIZA Mk IV SC (6J1, 6P5) From 06/2008 to 12/2018
      • IBIZA Mk IV ST (6J8, 6P8) From 03/2010 to 07/2016
      • LEON (1M1) From 11/1999 to 06/2006
      • LEON (1P1) From 05/2005 to 12/2013
      • TOLEDO III (5P2) From 04/2004 to 05/2009
      • TOLEDO IV (KG3) From 07/2012 to 04/2019
      • TOLEDO Mk II (1M2) From 10/1998 to 05/2006
    • SKODA
      • FABIA I (6Y2) From 08/1999 to 03/2008
      • FABIA I Combi (6Y5) From 04/2000 to 12/2007
      • FABIA I Praktik (6Y5) From 01/2000 to 12/2007
      • FABIA I Saloon (6Y3) From 10/1999 to 12/2007
      • FABIA II (542) From 12/2006 to 12/2014
      • FABIA II Combi (545) From 10/2007 to 12/2014
      • FABIA III (NJ3) From 08/2014 to 06/2021
      • FABIA III Estate (NJ5) From 08/2014
      • OCTAVIA I (1U2) From 09/1996 to 12/2010
      • OCTAVIA I Combi (1U5) From 07/1998 to 12/2010
      • OCTAVIA II (1Z3) From 02/2004 to 06/2013
      • OCTAVIA II Combi (1Z5) From 02/2004 to 06/2013
      • OCTAVIA III (5E3, NL3, NR3) From 11/2012 to 03/2021
      • OCTAVIA III Combi (5E5, 5E6) From 11/2012 to 10/2020
      • RAPID (NH3, NK3, NK6) From 07/2012
      • RAPID Spaceback (NH1) From 07/2012 to 12/2019
      • ROOMSTER (5J7) From 03/2006 to 05/2015
      • ROOMSTER Praktik (5J) From 03/2007 to 05/2015
      • SUPERB I (3U4) From 12/2001 to 03/2008
      • SUPERB II (3T4) From 03/2008 to 05/2015
      • SUPERB II Estate (3T5) From 10/2009 to 05/2015
      • YETI (5L) From 05/2009 to 12/2017
    • VAUXHALL
      • VECTRA (B) Saloon (J96) From 08/1995 to 03/2002
    • VW
      • AMAROK (2HA, 2HB, S1B, S6B, S7A, S7B) From 09/2010 to 05/2022
      • AMAROK Platform/Chassis (S1B, S6B, S7B) From 09/2011 to 05/2022
      • BEETLE (5C1, 5C2) From 04/2011 to 07/2019
      • BEETLE Convertible (5C7, 5C8) From 12/2011 to 07/2019
      • CADDY ALLTRACK Box Body/MPV (SAA) From 05/2015
      • CADDY ALLTRACK Estate (SAB) From 05/2015
      • CADDY III Box Body/MPV (2KA, 2KH, 2CA, 2CH) From 03/2004 to 05/2015
      • CADDY III Estate (2KB, 2KJ, 2CB, 2CJ) From 03/2004 to 05/2015
      • CADDY IV Box Body/MPV (SAA, SAH) From 05/2015
      • CADDY IV Estate (SAB, SAJ) From 05/2015
      • CARAVELLE Mk VI (SGF, SGM, SGN, SHM, SHN) From 04/2015
      • CC B7 (358) From 11/2011 to 12/2016
      • CRAFTER 30-35 Bus (2E_) From 04/2006 to 12/2016
      • CRAFTER 30-50 Platform/Chassis (2F_) From 04/2006 to 12/2016
      • CRAFTER 30-50 Van (2E_) From 04/2006 to 12/2016
      • CRAFTER Bus (SYI, SYJ) From 09/2016
      • CRAFTER Platform/Chassis (SZ_) From 11/2016
      • CRAFTER Van (SY_, SX_) From 09/2016
      • EOS (1F7, 1F8) From 03/2006 to 08/2015
      • FOX Hatchback (5Z1, 5Z3, 5Z4) From 08/2003 to 10/2015
      • GOLF PLUS V (5M1, 521) From 12/2004 to 12/2013
      • GOLF V (1K1) From 10/2003 to 07/2010
      • GOLF V Estate (1K5) From 01/2007 to 07/2009
      • GOLF VI (5K1) From 10/2008 to 12/2014
      • GOLF VI Convertible (517) From 03/2011 to 05/2016
      • GOLF VI Estate (AJ5) From 07/2009 to 07/2014
      • GOLF VII (5G1, BQ1, BE1, BE2) From 08/2012 to 03/2021
      • JETTA III (1K2) From 09/2004 to 12/2013
      • JETTA IV (162, 163, AV3, AV2) From 01/2008
      • LT Mk II Bus (2DB, 2DE, 2DK) From 04/1996 to 07/2006
      • LT Mk II Kasten (2DA, 2DD, 2DH) From 04/1996 to 07/2006
      • LT Mk II Pritsche/Fahrgestell (2DC, 2DF, 2DG, 2DL, 2DM) From 04/1996 to 07/2006
      • MULTIVAN Mk V (7HM, 7HN, 7HF, 7EF, 7EM, 7EN) From 04/2003 to 08/2015
      • NEW BEETLE (9C1, 1C1) From 01/1998 to 11/2010
      • NEW BEETLE Convertible (1Y7) From 09/2002 to 12/2011
      • PASSAT ALLTRACK B7 (365) From 01/2012 to 12/2014
      • PASSAT B5.5 (3B3) From 10/2000 to 12/2005
      • PASSAT B6 (3C2) From 03/2005 to 12/2010
      • PASSAT B6 Estate (3C5) From 08/2005 to 11/2011
      • PASSAT B7 (362) From 08/2010 to 12/2015
      • PASSAT B7 Estate (365) From 08/2010 to 12/2015
      • PASSAT CC B6 (357) From 02/2008 to 01/2012
      • POLO (6N2) From 10/1999 to 10/2001
      • POLO (9N_, 9A_) From 10/2001 to 10/2014
      • POLO V (6R1, 6C1) From 03/2009
      • POLO V Saloon (602, 604, 612, 614) From 05/2009
      • POLO Van (6R) From 03/2009
      • POLO VI (AW1, BZ1, AE1) From 06/2017
      • SCIROCCO III (137, 138) From 05/2008 to 11/2017
      • SHARAN (7N1, 7N2) From 05/2010
      • TIGUAN (5N_) From 09/2007 to 07/2018
      • TIGUAN (AD1, AX1) From 01/2016
      • TOUAREG (7P5, 7P6) From 01/2010 to 12/2018
      • TOURAN (1T1, 1T2) From 02/2003 to 05/2010
      • TOURAN (1T3) From 05/2010 to 05/2015
      • TRANSPORTER / CARAVELLE Mk V Bus (7HB, 7HJ, 7EB, 7EJ) From 04/2003 to 08/2015
      • TRANSPORTER / CARAVELLE Mk VI Bus (SGB, SGJ, SHB, SHJ) From 04/2015
      • TRANSPORTER Mk V Kasten (7HA, 7HH, 7EA, 7EH) From 04/2003
      • TRANSPORTER Mk V Pritsche/Fahrgestell (7JD, 7JE, 7JL, 7JY, 7 From 04/2003 to 08/2015
      • TRANSPORTER Mk VI Kasten (SGA, SGH, SHA, SHH) From 04/2015
      • TRANSPORTER Mk VI Pritsche/Fahrgestell (SFD, SFE, SFL, SFZ, From 04/2015
    (check compatibility with your registration).
  • Backed by a 30-day money-back guarantee for worry-free shopping.

Trust e Auto Parts for reliable parts and quick delivery across the UK and Europe. Upgrade your vehicle today!

Reference number(s) comparable with the original spare part number
AUDI 3B0121321 SEAT 3B0121321 SKODA 3B0121321 VW 3B0121321 VAG 3B0121321
OE reference number(s) comparable with the original spare part number
  1. Berry
    1 July, 2025
    elderly car so really pleased that the part could be supplied :-) Correct part arrived swiftly - excellent - thank you
  2. Edward & Susan
    20 May, 2025
    These guys were real helpful when I was looking for an EGR valve. Great communications and fast delivery, the valve did exactly as It was meant to do and it was a lot cheaper than everywhere else I looked. I'll be using eAuto Parts again. Top banana.
  3. Charlie
    27 Jan, 2025
    eAuto Parts made me happy because it only took 2 minutes to order the part and at a very good price, also very quick delivery, will definitely deal with them again.
  4. Adam Taylor
    12 May, 2024
    Quick enquiry response, easy buying and quick delivery. Quality of goods was good and fitted with no problem (Suzuki bonnet hinges.) recommended.
  5. Helena Garcia
    2 January, 2024
    The correct part was rapidly identified and located, and was despatched promply to my chosen repairer in time for the work to be done on schedule. Very pleased with the service and will be using eAuto Parts again.

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