Cast Aluminum Coolant Flange For VW MK4 Golf Jetta GLI GTI TT 1.8T Upgrade Kit Lab Work Auto
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Cast Aluminum Coolant Flange For VW MK4 Golf Jetta GLI GTI TT 1.8T Upgrade Kit

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Vehicle Fitment
Cast Aluminum Coolant Flange For VW MK4 Golf Jetta GLI GTI TT 1.8T Upgrade Kit

Fit For:


  • Cooling Hose Flange, Mk4 1.8T (Cast Aluminum)
  • Coolant T-Fitting, Mk4 1.8T (Cast Aluminum)
  • Thermostat Housing Cover, Mk4 1.8T / 2.0L (Cast Aluminum)
  • Water Distribution Pipe, Mk4 1.8T / 2.0L (Cast Aluminum)
  • 1 x Paper Gasket For Head Flange
  • 1 x Rubber O-Ring For Block Flange
  • 1 x Coolant Temperature Sensor O-Ring
  • 1 x Coolant Retaining Clip
  • 2 x Screws + 2 x Washers


For VW Golf Mk4/For Jetta/For Beetle 1.8T 2000-2005
For Audi TT 2000-2002
(The Compatibility Is Just For Reference. Please Compare With Your Original One Before Purchasing!)


*Fitment for the 2000+ 1.8T Automatic Transmission will require removal of the adapter plate on the head of the engine where the flange with the coolant temperature sensor sits.

*Does not fit ANY New Beetles


  • Durable Material: Made from high-quality cast aluminum, this coolant flange upgrade kit offers improved durability and resistance to wear and tear.

  • Comprehensive Kit: The kit includes a cooling hose flange, coolant T-fitting, thermostat housing cover, water distribution pipe, paper gasket, rubber o-ring, coolant temperature sensor o-ring, coolant retaining clip, screws, and washers for a complete and hassle-free installation.

  • Perfect Fitment: Specifically designed to fit VW Golf Mk4, Jetta, and Beetle 1.8T models from 2000-2005, as well as Audi TT models from 2000-2002, this coolant flange kit provides a perfect and seamless fit.

  • Upgraded Design: The cast aluminum construction and improved design of this coolant flange kit offer better heat dissipation and a longer lifespan compared to the OEM plastic flange.

  • Improved Performance: By replacing your stock coolant flange with this cast aluminum upgrade kit, you can help prevent coolant leaks and overheating issues, leading to improved performance and engine reliability.


Labwork?is an?Auto Parts One-Stop Solution?brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories to help their automobiles perform at their best.

We are committed to becoming a world-class auto parts provider with the most comprehensive product line. If you need any auto parts, it's enough to come to?Labwork.

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To ensure a faster and secure delivery, we choose FedEx, USPS, UPS, DHL Ground/Air shipping service. Available shipping methods are vary from different type of products and delivery destination. The majority in stock products and orders are going to be shipped the same day or within 1 business day. After which its delivery details can be tracked with the tracking number we email you. For custom or made to order products’ shipping time varies as they may have to be manufactured, painted, embroidered or assembled.

For more information, please check the following tips:

  • Oversized products must ship by truck freight or LTL which is different from other ground shipping methods. Please noted that oversized products are required inspections and a signature service. Freight Shipping Information
  • We offer free shipping service for 47 sates in domestics. HI, PR, AK, Guam, Virgin Islands, APOs are excluded from free shipping areas. You will be charged extra shipping fee for orders’ destinations that are not 47 free shipping states.
  • "Free Shipping" applies only to orders shipped within the continental United States.


In order to provide all our valued customers with the most up to date and accurate compatibility information, LABWORKAUTO is continuously implementing real-time updates to our line store. Due to the immediate nature of these updates, the correction of any errors or omissions might happen at any time without prior notice. This information may include but not limited to pricing, availability, suggested use, fitment, compatibility and warranties. LABWORKAUTO is not responsible for any additional labor cost, charge, loss or damage incurred as a result of correct or incorrect information, reference or products purchase from LABWORKAUTO. While we are working to avoid any errors or omissions that may appear on LABWORKAUTO website, we reserve the rights to cancel any undeliverable orders based on inaccurate information.


If you want to track the logistics status of your order, please click here


If you are not completely satisfied with your purchase, we will be happy to accept a return for a refund or exchange on products in new/unused condition within 30 days of delivery. All authorized returns must be unused and in their original condition, including all items and components that were included in the original package. Items being returned must not have been disassembled, mounted, modified, or damaged due to incorrect installation or user error. will not be held responsible for installation or labor expenses, towing expenses, additional repair expenses, or rental car expenses caused by the use of wrong or defective parts during installation.

We provide a limited warranty of 1 year for defective products from the date the product is received by the original purchaser or installer, unless otherwise specified at the time of purchase.

When there is a problem with our products during the warranty period, we will try to send you a new set of products to enhance the shopping experience of every customer who purchases our products.

For each of our product warranties offered above, the following provisions apply:

The warranty is limited only to the original purchaser and is non-transferable.

Under NO circumstances will our liability exceed the amount of the original sale.

Each warranty does not cover any labor costs or incidental, indirect, special or consequential damages such as, but not limited to, physical injuries or property damage, loss of time, loss of use of the vehicle, inconvenience, air freight charges, rental vehicle charges, towing charges or accommodations resulting from a defect in or failure of the part.

A prepaid shipping label will be issued for all returns due to warranty claim.

The warranty does not cover lost or stolen packages. Because the customer is the shipper, he/she is the only one who can file any lost claim with the shipping company. Therefore, the claim must be coordinated and processed through the shipping company by the customer.

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