Walker 212-1029 Engine Coolant Temperature Sender

Engine Coolant Temperature Sender for Volkswagen

Walker Sender Only 212-1029 is an OE replacement engine coolant temperature sender built to report coolant temperature to the ECU or instrument cluster. It uses a 4-pin square connector with spade terminals for factory-style electrical connection on select Volkswagen applications.

Key Features

• Engine coolant temperature sender for accurate temperature signal output
• 4-pin square connector with 1 connector and 4 terminals
• Spade terminal design for factory wiring integration
• Built to OE resistance values, thermal response curves, and thread type
• High-temperature, corrosion-resistant construction for coolant system service
• Walker Sender Only line focused on direct replacement temperature senders

Product Details

Walker 212-1029 is engineered for vehicles that rely on a coolant temperature sender to communicate engine temperature data for gauge operation and engine management. On Volkswagen Golf, Jetta, Passat, and EuroVan applications, this sender threads into the original coolant port and connects to the factory harness with the correct 4-pin configuration. The Sender Only product line is centered on replacement senders that restore accurate temperature reporting without changing the vehicle’s original electrical setup. This part cross-references Dorman - HELP 82725 for the same application.

What It Helps Resolve

• Inaccurate dash temperature readings
• False or erratic gauge behavior
• Cooling fan control issues caused by bad temperature input
• Poor fuel and warm-up control from incorrect coolant data
• Emissions readiness problems related to temperature signal faults

Installation Notes

Fits 1995-1998 Volkswagen Golf, N/A; 4 Pin; Sender Only. Fits 1995-1998 Volkswagen Jetta, N/A; 4 Pin; Sender Only. Fits 1997 Volkswagen EuroVan, N/A; 4-Pin; Sender Only. Fits 1995-1997 Volkswagen Passat, N/A; 4-Pin; Sender Only. Fits 1995 Volkswagen EuroVan, N/A; Sender Only. Verify the connector shape, terminal count, and thread style against the original sender before installation. Drain coolant as needed, remove the old sender from the factory port, and reconnect the harness securely after installation.

Quality Assurance

Walker Products manufactures this sender to OE specifications for resistance values, thermal response, and mounting thread type. The design uses materials selected for prolonged exposure to pressurized coolant, vibration, and thermal cycling.