Holstein 2CTS0075 Engine Coolant Temperature Sensor

Engine Coolant Temperature Sensor for VW and Audi

Holstein Parts 2CTS0075 is an engine coolant temperature sensor built for direct-fit service on select Volkswagen and Audi applications. It uses a 4-pin round connector with female blade terminals to match the original electrical interface on many late-1990s through 2011 models.

Compatible With Volkswagen Beetle, Jetta, Golf, Passat, EuroVan, R32, CrossFox, and Audi A3, A4, A6, TT, S4, and related models, this sensor supports accurate coolant temperature signal input for the engine management system. Holstein Parts 2CTS0075 is a practical replacement when the original sensor connector or terminal interface has worn, corroded, or failed.

Key Features

• Engine coolant temperature sensor for cooling-system signal input
• Round connector shape with female connector gender
• 4 blade terminals for OE-style electrical connection
• No wiring harness included
• Fits many Volkswagen and Audi vehicles from 1996-2011
• Holstein Parts 2CTS0075 cross-references Beck/Arnley 158-0629 and Delphi TS10236 for the same application

Product Details

Holstein Parts is the brand line, and this sensor is part of the Holstein Parts catalog for replacement electrical and cooling-system components. The 2CTS0075 is specified with a round connector and four terminals, making it a fitment-focused replacement for vehicles that use the matching 4-pin coolant temperature sensor design. Use this part when servicing Volkswagen Beetle, Jetta, Golf, Passat, EuroVan, and Audi A4, A6, TT, S4, and A3 applications that call for the listed connector style.

What It Helps Address

• Incorrect coolant temperature readings at the engine control system
• Hard starting or rough running related to temperature signal errors
• Cooling fan behavior affected by faulty sensor input
• Illuminated check engine light tied to coolant temperature sensor faults
• Corrosion or terminal wear at the original sensor connection

Installation Notes

Verify connector shape, terminal count, and vehicle-specific fitment before installation. This part uses blade terminals and does not include a wiring harness. Confirm the exact application by year, make, model, and any fitment notes such as 4-pin connector requirements, especially on Volkswagen Jetta, Beetle, Golf, and Audi A4 or TT models.

Quality Assurance

Holstein Parts 2CTS0075 is built as a replacement sensor for listed OE-style applications and is supported by the brand’s parts catalog standards for fitment-specific service parts.