Walker 270-1043 Engine Coolant Temperature Sender Connector

Engine Coolant Temperature Sender Connector

Walker Products 270-1043 is an engine coolant temperature sender connector built for direct replacement on a wide range of GM vehicles. It uses a blade terminal design with a male connector body and female terminal gender for a secure electrical connection at the coolant temperature sender.

Compatible With Chevrolet Express, GMC Savana, Tahoe, Suburban, Camaro, Corvette, and other GM applications across 1990-2002 model years, this connector supports accurate signal transfer in cooling system temperature circuits. Walker Products 270-1043 is a practical choice when repairing a damaged, corroded, or heat-affected sender connector.

Key Features

• Engine coolant temperature sender connector for cooling system electrical repair
• Blade terminal style with 1 terminal
• Male connector with female terminal gender
• Direct-fit replacement for many Chevrolet, GMC, Buick, Cadillac, Oldsmobile, and Pontiac applications
• Walker Products 270-1043 for service and repair use

Product Details

Walker Products has supplied automotive fuel system and engine management components since 1946 and manufactures parts to meet or exceed OEM standards and specifications. The Walker Products line includes engine sensors, ignition and fuel system components, and related electrical parts backed by in-house engineering, product management, and technical support. This connector is part of that broader product line and is intended for vehicles that need a reliable coolant temperature sender connection.

This part cross-references Standard Ignition S-963 for the same application.

Common Repair Uses

• Broken or loose coolant temperature sender connector
• Corrosion at the terminal causing intermittent signal loss
• Heat damage to the original connector body
• Hard starting or drivability issues tied to poor temperature input
• Cooling system warning or gauge irregularities caused by poor electrical contact

Installation Notes

Verify connector style, terminal count, and mating sender before installation. Inspect the harness side for damaged wire, corrosion, or overheated insulation, and repair any compromised wiring before connecting the new part. Confirm proper terminal engagement after installation and clear any diagnostic trouble codes if required by the vehicle.

Quality Assurance

Walker Products is an ISO 9001/IATF16949 certified manufacturer committed to producing parts that meet OEM-level standards and application accuracy. The brand supports its products with engineering and technical resources to help maintain consistent fit and function across listed applications.

Compatible Vehicles

• Fits 2000-2002 Chevrolet Express 2500, N/A
• Fits 1996-1998 Chevrolet Express 2500, N/A
• Fits 1996-2002 Chevrolet Express 3500, N/A
• Fits 1996-2002 GMC Savana 2500, N/A
• Fits 1996-2002 GMC Savana 3500, N/A
• Fits 1996-2000 Chevrolet C2500, N/A
• Fits 1995-2000 Chevrolet C3500, N/A
• Fits 1996-2000 Chevrolet K2500, N/A
• Fits 1995-2000 Chevrolet K3500, N/A
• Fits 1996-2000 GMC C2500, N/A
• Fits 1995-2000 GMC C3500, N/A
• Fits 1996-2000 GMC K2500, N/A
• Fits 1995-2000 GMC K3500, N/A
• Fits 1995-1999 Chevrolet C1500 Suburban, N/A
• Fits 1995-1999 Chevrolet C2500 Suburban, N/A
• Fits 1999 Chevrolet K1500 Suburban, N/A
• Fits 1995-1997 Chevrolet K1500 Suburban, N/A
• Fits 1995-1999 Chevrolet K2500 Suburban, N/A
• Fits 1995-1999 Chevrolet P30, N/A
• Fits 1995-1999 Chevrolet Tahoe, N/A
• Fits 1995-1999 GMC C1500 Suburban, N/A
• Fits 1995-1999 GMC C2500 Suburban, N/A
• Fits 1995-1999 GMC K1500 Suburban, N/A
• Fits 1995-1999 GMC K2500 Suburban, N/A
• Fits 1995-1999 GMC P3500, N/A
• Fits 1996-1998 Chevrolet C1500, N/A
• Fits 1996-1998 Chevrolet K1500, N/A
• Fits 1996-1998 GMC K1500, N/A
• Fits 1993-1997 Chevrolet Camaro, N/A
• Fits 1996-1997 GMC C1500, N/A
• Fits 1995-1997 GMC Yukon, N/A
• Fits 1995-1997 Pontiac Firebird, N/A
• Fits 1991-1996 Buick Park Avenue, N/A
• Fits 1995-1996 Buick Roadmaster, N/A
• Fits 1995-1996 Cadillac Commercial Chassis, N/A
• Fits 1994-1996 Cadillac Fleetwood, N/A
• Fits 1992-1996 Chevrolet Caprice, N/A
• Fits 1990 Chevrolet Caprice, N/A
• Fits 1996 Chevrolet Corvette, N/A
• Fits 1992-1994 Chevrolet Corvette, N/A
• Fits 1995-1996 Chevrolet G30, N/A
• Fits 1994-1996 Chevrolet Impala, N/A
• Fits 1995-1996 GMC G3500, N/A
• Fits 1992-1995 Buick LeSabre, N/A
• Fits 1992-1995 Buick Regal, N/A
• Fits 1995 Chevrolet Astro, N/A
• Fits 1995 Chevrolet Blazer, N/A
• Fits 1992-1995 Chevrolet C1500, N/A
• Fits 1992-1995 Chevrolet C2500, N/A
• Fits 1995 Chevrolet G10, N/A
• Fits 1995 Chevrolet G20, N/A
• Fits 1992-1995 Chevrolet K1500, N/A
• Fits 1992-1995 Chevrolet K2500, N/A
• Fits 1992-1995 Chevrolet Lumina APV, N/A
• Fits 1995 Chevrolet S10, N/A
• Fits 1992-1995 GMC C1500, N/A
• Fits 1992-1995 GMC C2500, N/A
• Fits 1995 GMC G1500, N/A
• Fits 1995 GMC G2500, N/A
• Fits 1995 GMC Jimmy, N/A
• Fits 1992-1995 GMC K1500, N/A
• Fits 1992-1995 GMC K2500, N/A
• Fits 1995 GMC Safari, N/A
• Fits 1995 GMC Sonoma, N/A
• Fits 1995 Oldsmobile 88, N/A
• Fits 1995 Oldsmobile Silhouette, N/A
• Fits 1995 Pontiac Bonneville, N/A
• Fits 1995 Pontiac Trans Sport, N/A
• Fits 1993-1994 Chevrolet Astro, N/A
• Fits 1991-1994 Chevrolet S10, N/A
• Fits 1992-1994 GMC Jimmy, N/A
• Fits 1993-1994 GMC Safari, N/A
• Fits 1991-1994 GMC Sonoma, N/A