Car Coolant Reservoir Tank for OEM# 1K0121407A Jetta Passat Beetle | Vehicle coolant overflow expansion bottle with cap, screw-on cap design, engine compartment use, automotive replacement parts

Specifications: Material: Plastic Color: transparent Size: 7.09 x 7.09 x 7.09" Package Size: 3.5 x 2.5 x 0.4 inches Weight: 100g/3.53oz Part Number: BCOWPV-Auto1 Quantity: 1 Features: -1.The cap fits tightly against the tank opening, reducing coolant vapor leakage and keeping the tank clean. -2.Once installed, this product does not obstruct the tank's liquid level, allowing for a clear view of the remaining coolant without opening the cap.

• High Quality Material: This product is made of plastic. Plastic is lightweight, offers excellent structural stability, and features precise dimensions and smooth edges. The surface of the plastic is flat and has good toughness, allowing it to withstand minor deformation caused by routine opening and closing operations while maintaining structural integrity. There is no risk of breakage or fracture, and no significant deformation or shrinkage issues.
• Compatibility: This product is compatible with the 2009–2012 CC, 2007–2012 Eos, 2010–2012 VW Golf, 2006–2012 GTI, 2005–2012 Jetta, 2006–2010 Passat, 2006–2009 Rabbit, 2009–2012 Tiguan, 2012 Passat, 2012 Beetle, 2006–2013 A3, 2006–2013 A3 Quattro, 2008–2009 TT, and 2008–2011 TT Quattro.
• Easy Installation: Before installation, ensure the vehicle is turned off and has cooled down. Locate the coolant expansion tank in the engine compartment, verify that the tank opening matches this product's specifications, and remove the old cap. Align the new cap with the corresponding opening and install it, ensuring the cap is fully sealed with no looseness or misalignment. No additional tools are required for installation, making it easy even for beginners.
• Practical Features: This product effectively withstands vibration stress generated by the engine, reduces play between the cap and the tank opening, and prevents cracks or leaks caused by uneven stress distribution in the tank. It also effectively minimizes coolant loss, blocks the continuous ingress of outside air into the cooling system, and maintains stable internal system pressure.
• OEM Replacement Numbers: This product is a replacement for OEM parts #1K0121407A, 1K0 121 407 A, 603-253, EPK0030, VW3014105, VW3014104, FRT1103C, EPT0030, and VW3014103. The cap's screw-on mechanism operates smoothly without sticking. Even after repeated opening and closing, there is no binding or slipping, allowing for effortless unscrewing and tightening.