Volkswagen / Audi / Seat / Skoda O-Ring 03C121666 - LLLParts
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Part 03C121666 is marked as number 12 in the diagram.

Volkswagen / Audi / Seat / Skoda O-Ring 03C121666

Condition:  100% new and genuine Weight: 0.002 kg.
Available to order
GENUINE VW/AUDI
Dispatch time 3 - 5 business days
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SKODA EXPRESS
Dispatch time 2 - 4 business days
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Add to cart
GENUINE VW 2
Dispatch time 2 - 5 business days
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VAG L
Dispatch time 5 - 8 business days
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SKODA
Dispatch time 3 - 7 business days
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The same part number corresponds to the same part. If the part number is identical, the part fits all VAG (Volkswagen Audi group) vehicles (for example You are looking for a SEAT or SKODA, but the part is available from VW/AUDI warehouse - the part will fit Your car). Depending on the selected warehouse, the shipping times and availability may vary.
Stay with the suggested choice
Reveal all warehouses (5 options)
To ensure that part fits your vehicle, click here to check the fitment table.
There are no custom taxes for European and United Kingdom customers
PRICE MATCH GUARANTEE
If you find a lower price at an eligible retailer website, we will match it.
Price match
Browse diagram
Description
Part fitment
Product F.A.Q.
Delivery information
About the product
Part 03C121666 is marked as number 12 in the diagram. You can also view detailed part diagram, Browse diagram.


About Genuine Parts


When it comes to your car, you simply want the best. Whether you own a BMW, Mercedes, Audi, Volkswagen, Porsche, or a Mini, LLL Parts knows how to treat your vehicle. Fitting your ride with OEM parts will ensure that it continues running like a brand new car. By sourcing your parts with us, no one will ever know your automobile’s actual age.

By maintaining your vehicle with the best parts money can buy, you’re gaining the peace of mind that everything will fit accordingly. No one wants to deal with ordering a part, waiting ages for it to arrive, only to find that it doesn’t go together with the model. If you’re looking to save both time and cash in the long run, LLL Parts is your answer.

LLL Parts offers top-quality OEM products. Everything is easily searchable through our easy-to-use catalogues. All you have to do is enter your car brand and manufacture year, as well as the parts you are sourcing for, and voila - a list of genuine parts is ready for your perusal. That’s not all; each item will come with its detailed parts scheme and fitment information to help you make an informed decision.

We at LLL Parts understand that you want to treat your car right. After all, this is the vehicle that will bring you places, keep you and your family safe, and allow you to see the world. That is why we offer support to help you find the exact part you’re looking for. Contact us today. We’re always ready to assist!

We supply the most popular car brand parts, including Fiat, Smart, Skoda, Ford, Porsche, Mini, Volkswagen, Audi, Mercedes-benz, BMW, Seat,
Part fits these cars
The fitment table is for general fitment information. We will verify the fitment for you if you leave your VIN/Chassis number during the checkout. Additionally, your purchase is covered by 14 days return policy.
Volkswagen Ameo
2017 - 2020   Volkswagen   Ameo   
Volkswagen Beetle
2012 - 2019   Volkswagen   Beetle   
Volkswagen Beetle Cabrio
2012 - 2019   Volkswagen   Beetle Cabrio   
Volkswagen Bora
2008 - 2016   Volkswagen   Bora   
Volkswagen Caddy
2011 - 2015   Volkswagen   Caddy   
Volkswagen Caddy
2011 - 2015   Volkswagen   Caddy   
Volkswagen CC
2012 - 2017   Volkswagen   CC   
Volkswagen Eos
2007 - 2011   Volkswagen   Eos   
Volkswagen Fox-EU
2005 - 2012   Volkswagen   Fox-EU   
Volkswagen Golf
2004 - 2007   Volkswagen   Golf   Variant
Volkswagen Golf Cabriolet
2012 - 2016   Volkswagen   Golf Cabriolet   
Volkswagen Golf
2012 - 2013   Volkswagen   Golf   
Volkswagen Golf
2008 - 2013   Volkswagen   Golf   Variant
2008 - 2013   Volkswagen   Golf   4Motion
Volkswagen Golf Plus
2005 - 2014   Volkswagen   Golf Plus   
Volkswagen Otto-
2010 - 2024   Volkswagen   Otto-   Gas-Ind.Motore
Volkswagen Jetta
2009 - 2018   Volkswagen   Jetta   
Volkswagen Magotan
2007 - 2016   Volkswagen   Magotan   
Volkswagen Novo Fusca
2013 - 2016   Volkswagen   Novo Fusca   
Volkswagen Passat
2006 - 2015   Volkswagen   Passat   Variant
2006 - 2015   Volkswagen   Passat   Santana
Volkswagen Passat CC
2009 - 2012   Volkswagen   Passat CC   
Volkswagen Polo
2003 - 2022   Volkswagen   Polo   Vento
2003 - 2022   Volkswagen   Polo   Classic-IND
Volkswagen Polo Classic
2005 - 2010   Volkswagen   Polo Classic   
Volkswagen Polo Vivo
2010 - 2024   Volkswagen   Polo Vivo   
Volkswagen Sagitar
2006 - 2015   Volkswagen   Sagitar   
Volkswagen Scirocco
2009 - 2018   Volkswagen   Scirocco   
Volkswagen Sharan
2011 - 2015   Volkswagen   Sharan   
Volkswagen Tiguan
2008 - 2017   Volkswagen   Tiguan   
Volkswagen Touran
2004 - 2015   Volkswagen   Touran   
Volkswagen Vento
2011 - 2018   Volkswagen   Vento   
Audi A1
2011 - 2014   Audi   A1   
Audi A3
2004 - 2013   Audi   A3   S3
2004 - 2013   Audi   A3   Sportback
2004 - 2013   Audi   A3   Limousine
2004 - 2013   Audi   A3   Quatro
Audi A3 Cabriolet
2008 - 2013   Audi   A3 Cabriolet   
Alhambra (SEAT)
2011 - 2015   Alhambra (SEAT)   
Altea (SEAT)
2007 - 2015   Altea (SEAT)   
Seat Cordoba
2003 - 2009   Seat   Cordoba   Vario (SEAT)
Seat Ibiza
2002 - 2015   Seat   Ibiza   ST (SEAT)
Leon (SEAT)
2006 - 2013   Leon (SEAT)   
Toledo (SEAT)
2005 - 2015   Toledo (SEAT)   
Skoda Fabia
2000 - 2008   Skoda   Fabia   
Skoda Fabia
2009 - 2014   Skoda   Fabia   
Skoda Octavia
2004 - 2013   Skoda   Octavia   
Skoda Rapid
2012 - 2022   Skoda   Rapid   
Skoda Roomster
2006 - 2015   Skoda   Roomster   
Skoda Superb
2008 - 2024   Skoda   Superb   
Skoda Yeti
2010 - 2013   Skoda   Yeti   
Browse part diagram
Diagram information provided by catalogparts

Car part diagram
NoPart codePriceTitleNoteReq. quant.Model
Coolant pump
Coolant hoses and
pipes

Reservoir		1.2 Ltr.3-cylinder
AWY,AZQ,BMD
103D121005From £49.23Coolant pump with glued in
sealing ring		1
103D121005 XFrom £59.52Coolant pump with glued in
sealing ring		1
203D121065BFrom £30.74Coolant pipe1AWY
203E121065AFrom £33.28Coolant pipe1AZQ
36Y0122073BFrom £16.21Coolant hose
(Coolant regulator housing >
heat exchanger)		return1AWY,BMD
36Q0121073APFrom £14.69Coolant hose
(Coolant regulator housing >
heat exchanger)		return1AZQ
46Q0121109BNFrom £27.71Coolant hose
(Expansion tank >
coolant pipe)		1AZQ
46Y0121109FFrom £11.82Coolant hose
(Expansion tank >
coolant pipe)		1AWY,BMD
503C121142From £4.45retaining spring1
61J0121142From £2.52retaining spring32MM2
76Y0122157BFrom £16.73Coolant hose
(Coolant regulator housing >
heat exchanger)		feed1AWY,BMD
76Q0121157SFrom £13.63Coolant hose
(Coolant regulator housing >
heat exchanger)		feed1AZQ
83B0121321From £12.32End cap1
96Q0121407BFrom £15.84Reservoir1
1003D121028BFrom £26.19v-belt pulley1
11WHT005190From £2.48O-ring37,5X4X61
1203C121666From £4.34O-ring1
131H0121687AFrom £4.13O-ring28,5X3,81
146Y0121086FFrom £68.84Coolant hose with
quick release coupling

(Coolant regulator >
coolant radiator		return1BMD
146Q0122051BRFrom £44.59Coolant hose
(Coolant regulator housing >
coolant radiator)		return1AZQ
156Y0121049GFrom £47.28Coolant hose with
quick release coupling

(Coolant regulator housing >
coolant radiator)		feed1AWY,BMD
156Y0121049HFrom £76.32Coolant hose with
quick release coupling

(Coolant regulator housing >
coolant radiator)		feed1BMD
151J0121087BFrom £9.76Distributor1
156Q0122101BEFrom £29.09Coolant hose
(Coolant regulator >
coolant radiator		feed1AZQ
166Q0122291EFrom £6.08Quick acting coupling1
176Q0122291FFrom £6.08Quick acting coupling1
186Q0121447AJFrom £22.33Coolant hose
(reservoir >
adapter)		1AZQ
186Y0121107ECoolant hose
F >> 6Y-4-118 574		1AWY
186Y0121107GFrom £27.09Coolant hose
F 6Y-4-118 575>>		1BMD
186Y0121108GFrom £8.68Coolant hose
F >> 6Y-4-118 574		1AWY
186Y0121108KFrom £48.53Coolant hose
F 6Y-4-118 575>>		1BMD
186Y0121164DCoolant pipe
F >> 6Y-4-118 574		1AWY
1803D103211BBreather line
F 6Y-4-118 575>>		1BMD
19811807577CFrom £0.72insert nut4
21N 10292201Spring band clampA14X12X
22N 90339605From £1.23Socket head boltM8X374
23N 90686902From £2.03Spring band clamp23X121
24N 90655601Spring band clamp27X121
25N 90544202Socket head bolt with
inner multipoint head		M8X113
25N 90544203From £1.07Socket head bolt with
inner multipoint head		M8X113
26N 90687201From £1.08Spring band clamp40X123BMD
27N 90765301From £2.10O-ring32X41
28N 90847201From £0.58double stud with hexagon drive8X19/M6X15,51
29G 012A8GM8From £273.11Coolant additive, plus-plus
Service fluid -coolant add.-		60ltr.1
306Q0121120EFrom £3.50Hose bracket1
30N 10574901From £0.81Double clip8X161AWY
30N 10461101From £2.56Double clip17X221AZQ
31N 10451405From £0.53Oval hexagon socket head boltM6X161
31N 10226103From £0.84Socket head boltM6X161
32N 01508213From £0.08Hexagon collar nutM62
33N 90971901double stud with hexagon driveM6X14/M6X141
33N 91044801From £2.12double stud with hexagon driveM6X14/M6X141
346Q0121065DCoolant pipe
heat exchanger		1
346Q0121065HCoolant pipe
heat exchanger		1
35N 01472613From £0.63Socket head bolt with
hexagon socket head		M8X301
36N 90890501From £1.62O-ring17,12X2,622
Product Q & A
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Product F.A.Q.
How do I know if a part will fit my car?

We got a general fitment information table, which can help you identify if the part will fit your car or not. Also, you can leave your VIN/Chassis during checkout, so our team will verify the fitment for you. If you already paid for your order and the part will not fit your vehicle, we will issue you an instant refund.

How to make an order

At LLLparts.co.uk, you can quickly place an order. After you find the part you need, please select one of the warehouses and add it to your cart. 

After that, proceed to checkout, fill in the required shipping information, select the shipping method, and you can place your order.

In some cases, when the item has no weight, we will need to calculate the shipping price individually. Usually, we sum it within 10 minutes during our working hours, and if we are not working, you will receive an email notification.

I can't find parts that I need

Our team of professionals will always help you to find the correct and required parts for your car. If you can't find the parts you need, don't hesitate to get in touch with us by email at support@lllparts.co.uk or use our Live chat option and we will be happy to help you. 

How I can track my order?

For tracking your order, you will need your order number and email address.

You can track your order by visiting the order tracking page here.

Order Status Tracking

How I can return an item?
  • You can find the return form in the top right corner Help me -> Begin a return.
  • Buyer has 100 calendar days from the date he has purchased it to return an item.
  • To be eligible for a return, the item must be unused and in the same condition that the buyer received it.
  • Item must be in the original packing (factory sealing should not be damaged).
  • Once we receive your item, we will inspect it and notify you that we have received your returned item. We will immediately notify you on the status of your refund after inspecting the item.
How I can find my VIN/Chassis number?

The car's vehicle identification number (VIN) is the identifying code for a SPECIFIC automobile. The VIN serves as the car's fingerprint, as no two vehicles in operation have the same VIN. A VIN is composed of 17 characters (digits and capital letters) that act as a unique identifier for the vehicle. A VIN displays the car's unique features, specifications and manufacturer. The VIN can be used to track recalls, registrations, warranty claims, thefts and insurance coverage.


WHAT IF THE VIN IS NOT 17 CHARACTERS LONG?

Double-check to make sure that you have the right VIN and have copied it down correctly. Once you have verified that the VIN is definitely less than 17 characters, the VIN is most likely from a pre-1981 vehicle. Prior to 1981, VINs varied in length from 11 to 17 characters.  


WHERE CAN I FIND THE VIN?

The VIN can be found by looking at the dashboard on the driver's side of the vehicle. The easiest way to view it is to stand outside the vehicle on the driver's side and look at the corner of the dashboard where it meets the windshield. If the VIN cannot be found there, open the driver's side door and look at the door post (where the door latches when it is closed). It is likely that the VIN will also be displayed in this location. See the image below:  

VIN Location


LOOK FOR THE VIN IN THESE OTHER LOCATIONS:

  • Insurance card/Insurance policy
  • Vehicle title and registration

Delivery information

For UK Customers

While the UK has left the EU, we want to assure you that all UK orders are being shipped swiftly from our UK warehouse. Our prices remain the same, and your order will be delivered with local VAT and any import duties pre-paid. When you shop at LLLparts.co.uk, the price you see is the total price you'll pay. No customs taxes or duties will be applied.

For EU Customers

We are shipping orders to the whole EU using DPD, Economy Post, LLLparts.co.uk has multiple warehouses in Europe to ensure that your package will be delivered within stated delivery times at our online store. No customs taxes or duties will be applied.

For Non-EU Customers

Shipping orders using DHL or Economy postage. The shipping price varies on your country and the item size and weight. In some cases, we are calculating shipping price individually. 

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