Heating and Cooling› Thermostats, Housings and Fillers

ACDelco

Engine Coolant Temperature Sensor

$77.42

SKU: 213-77

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The ACDelco 213-77 is an engine coolant temperature sensor. It monitors engine temperature, providing a signal to the engine control module to adjust air/fuel mixture and ignition timing. This sensor is a GM-recommended replacement part, manufactured to GM OE specifications for fit, form, and function.
Show original supplier description
The ACDelco 213-77 is a GM Original Equipment Engine Coolant Temperature Sensor designed to monitor your vehicle's engine temperature. This critical sensor provides vital information to the engine control module, allowing it to make precise adjustments to the air/fuel mixture and ignition timing, ensuring optimal engine performance and efficiency. As a GM-recommended replacement part, the 213-77 is manufactured to meet the same performance, durability, and service life standards as your vehicle's original factory component. It features a male connector with two blade pin terminals and a 0.375-inch threaded end diameter, meeting or exceeding original equipment manufacturer specifications. Importantly, this sensor does not require programming upon installation. This ACDelco Engine Coolant Temperature Sensor is compatible with a wide range of Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac models from 1990 to 2002. Specific fitments include models such as the Chevrolet C1500, C2500, C3500, K1500, K2500, K3500, S10, Blazer, Tahoe, Suburban, Express; GMC C1500, C2500, C3500, K1500, K2500, K3500, Jimmy, Sonoma, Yukon, Savana; Buick Regal, Park Avenue, LeSabre, Commercial Chassis, Roadmaster; Cadillac Commercial Chassis, Fleetwood; Oldsmobile 98, Bravada, 88, Silhouette; and Pontiac Bonneville, Trans Sport, and Firebird.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandACDelco
Part Number213-77
CategoryHeating and Cooling

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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