Walker 214-91040 Engine Coolant Temperature Sender

Engine Coolant Temperature Sender Overview

Walker Products Part Number 214-91040 is an OE replacement engine coolant temperature sender built for accurate coolant temperature reporting to the ECU or instrument cluster. It uses a brass body, blade terminal design, and a male oblong connector to match factory-style electrical and mounting requirements on select Chevrolet and GMC trucks and vans.

For 1995-1997 Chevrolet P30 and GMC P3500 applications, as well as 1995-1996 Chevrolet G30 and GMC G3500 and 1995 Chevrolet C/K-series and Suburban models, this sender restores dependable temperature input for cooling system and engine management operation.

Key Features

• OE replacement coolant temperature sender for factory-style temperature monitoring
• Brass construction for corrosion resistance in coolant service
• Blade terminal design with 1-wire, 1-connector configuration
• Male oblong connector shape for direct electrical connection
• Thread sealer included for installation at the sender threads
• Built to match OE resistance values, thermal response, and thread type

Product Details

Walker Full Service Kit 214-91040 is engineered to measure engine coolant temperature and send that signal to the vehicle’s control system or dash gauge. The brass sensor body is built for high-temperature operation and repeated thermal cycling in pressurized coolant environments. With OE-style fitment and factory wiring compatibility, this sender threads into the original port on the engine block, thermostat housing, or intake manifold, depending on the application. Walker Products 214-91040 is a direct-fit solution for restoring accurate temperature feedback on Chevrolet and GMC commercial and heavy-duty platforms.

Common Problems This Part Can Address

• Inaccurate dash temperature readings
• False or erratic gauge movement
• Incorrect coolant temperature input to the ECU
• Poor warm-up control or fuel management behavior
• Cooling fan activation issues related to temperature signal loss

Installation Notes and Tips

Verify the thread size and connector style against the original sender before installation. Apply the included thread sealer to the sender threads only, and connect the factory wiring securely to the blade terminal. Inspect the cooling system for leaks, corrosion, or damaged wiring before replacing the sender. Fits 1995-1997 Chevrolet P30, N/A; Fits 1995-1997 GMC P3500, N/A; Fits 1995-1996 Chevrolet G30, N/A; Fits 1995-1996 GMC G3500, N/A; Fits 1995 Chevrolet C2500, N/A; Fits 1995 Chevrolet C2500 Suburban, N/A; Fits 1995 Chevrolet C3500, N/A; Fits 1995 Chevrolet K2500, N/A; Fits 1995 Chevrolet K2500 Suburban, N/A; Fits 1995 Chevrolet K3500, N/A; Fits 1995 GMC C2500, N/A; Fits 1995 GMC C2500 Suburban, N/A; Fits 1995 GMC C3500, N/A; Fits 1995 GMC K2500, N/A; Fits 1995 GMC K2500 Suburban, N/A; Fits 1995 GMC K3500, N/A.

Quality Assurance

Walker Products manufactures this sender to OE specifications for resistance values, thermal response curves, and mounting thread type. The brass construction and OE-style electrical interface are selected for reliable service in demanding cooling system conditions. This part cross-references standard OE-style coolant temperature sender applications for the same vehicle coverage.