Vaico V10-3770 Intercooler Hose - Pipe to Engine (Cold Side)

Intercooler Hose for VW and Audi Applications

The VAICO V10-3770 intercooler hose is a cold-side charge air hose built for turbocharged Volkswagen and Audi applications that use OE number 1K0145838AA. It is made from rubber with textile reinforcement to support stable airflow between the intercooler piping and the engine.

Compatible with select Volkswagen Beetle, Jetta, and Golf models, as well as Audi A3 applications, this hose is sized at 148 mm long, 116 mm wide, and 68 mm high for a direct-fit replacement on the pipe-to-engine cold side. The VAICO V10-3770 is also cross-referenced to Gates 26253 for the same application.

Key Features

• Intercooler hose for the pipe to engine cold-side connection
• Rubber construction with textile reinforcement for added strength
• OE reference: 1K0145838AA
• Dimensions: 148 mm length, 116 mm width, 68 mm height
• Fits select Volkswagen Beetle, Jetta, and Golf models, plus Audi A3
• VAICO part number V10-3770 for catalog and fitment lookup

Product Details

VAICO V10-3770 is a replacement intercooler hose for the cold-side charge air path, where consistent sealing and airflow are important for turbo system performance. The reinforced rubber construction helps the hose maintain shape under heat and boost-related stress, while the OE-number reference supports accurate matching to the original application. For buyers searching by vehicle, this part is a fitment-based solution for Volkswagen Beetle, Volkswagen Jetta, Volkswagen Golf, and Audi A3 models listed below. The part number V10-3770 is useful when confirming the correct hose against the OE number 1K0145838AA.

Vehicle Fitment

• Fits 2013-2014 Volkswagen Beetle, Pipe to Engine (Cold Side), Upper; With OE No. 1K0145838AA; VAICO
• Fits 2009-2014 Volkswagen Jetta, Pipe to Engine (Cold Side), Upper; With OE No. 1K0145838AA; VAICO
• Fits 2010-2013 Audi A3, Pipe to Engine (Cold Side), Upper; With OE No. 1K0145838AA; VAICO
• Fits 2010-2013 Volkswagen Golf, Pipe to Engine (Cold Side), Upper; With OE No. 1K0145838AA; VAICO

Common Problems This Hose Can Address

• Cracked or split intercooler hose material
• Boost leaks at the cold-side charge air connection
• Softening or deformation from heat and pressure
• Loss of proper airflow between the intercooler and engine
• Replacement need for a hose matching OE number 1K0145838AA

Installation Notes and Tips

Confirm the OE number, hose routing, and cold-side position before installation. Compare the dimensions and connector shape to the removed hose to verify the correct fit for your Volkswagen Beetle, Jetta, Golf, or Audi A3 application. Inspect adjoining charge pipes and clamps for wear or damage before installing the new hose. The part number V10-3770 should be matched to the vehicle’s original configuration for accurate fitment.

Quality Assurance

VAICO supplies OE-style replacement parts for European vehicle applications, and this intercooler hose is built to match the listed fitment and OE reference. Use the OE number and vehicle listing to confirm application accuracy before purchase.