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84564686 Engine BlockCord Compatible with Silverado 1500/2500/3500 HD 2019–2024, Coolant Heater Cable for Duramax Trucks, Replacement Engine Heater Power Cord for GM/Chevy/GMC | Repair and Installation Guide

$52.99

SKU: C-B0FLT5QSSM Category:

Review this component in the context of the repair, installation access, nearby parts, and the result the job is intended to achieve.

About this item

  • Compatible With: This engine block coolant heater cable fits Chevrolet Silverado 1500/LD/LTD 2019–2023, Silverado 2500/3500 HD Duramax Trucks 2020–2024, and other GM models.
  • Replace OE:The heater cord replaces OEM part number 84564686, built to match original factory specifications and plug directly into compatible engine heater systems.
  • High Quality: The 84564686 engine block heater cord is made of premium materials resistant to extreme cold, vibration, and corrosion, ensuring long-lasting winter durability and efficient heat conduction.
  • Function: This Coolant block heater cord for Silverado delivers reliable power to your engine block heater, enabling quick warm-up and easier engine starts in low temperatures, reducing cold start wear.
  • Package include: 1 x Engine Block Coolant Heater Cable Cord (Part# 84564686) – Ready for immediate installation with no additional tools required.

Before you order
  • Confirm the part number, position, dimensions, and connector details shown on this page.
  • Compare the listing with the part currently installed on your vehicle.

Description

Review this item in the context of the repair, installation access, nearby parts, and the result the completed job is intended to achieve.

  • Package Dimensions

    :

    6.99 x 6 x 1.47 inches; 10.24 ounces
  • Item model number

    :

    84564686
  • Date First Available

    :

    August 8, 2025
  • Manufacturer

    :

    BSNOVT
  • ASIN

    :

    B0FLT5QSSM

Product description

Vehicle-Specific Fit: This 84564686 engine block coolant heater cord is designed to fit Chevrolet Silverado 1500/LD/LTD (2019–2023) and Silverado 2500/3500 HD Duramax trucks (2020–2024) perfectly.

OEM-Grade Performance: Built to replace GM part #84564686 with exact specs and compatibility for factory heater block systems in GM, Chevy, Buick, GMC, and Cadillac applications.

Built for Tough Conditions: Manufactured from high-quality, heat-resistant materials to withstand extreme cold, moisture, and vibration, ensuring long-term durability and reliable winter performance.

Plug-and-Play Installation: Quick and easy to install—no special tools required. Ideal replacement for damaged or missing block heater cables, helping your engine warm up faster in cold climates.

Made from premium materials and expertly designed and tested to withstand extreme temperatures, humidity, and vibration, this engine block heater cord is used to provide power to the engine block heater, helping to keep your car’s engine warm when you’re not driving

The engine coolant heater cable retains the original feel, does not require very complicated tools.The plug adopts a non-slip design, which makes plugging and unplugging faster.ensure electrical conductivity and electrical safety.Made from premium materials and expertly designed and tested to withstand extreme temperatures, humidity, and vibration, this engine block heater cord is used to provide power to the engine block heater, helping to keep your car’s engine warm when you’re not driving

It can be directly replaced without special tools, allowing your vehicle to start smoothly even in the cold winter.

Product facts

Specifications

Canonical product
MP-US-B0FLT5QSSM
Source product ID
B0FLT5QSSM
Category
Replacement Parts / Engines & Engine Parts / Engine Heaters & Accessories / Accessories
Available images
7
Referenced part numbers
84564686

Vehicle information

Available fitment details

Listing compatibility notes

  • About this item Compatible With: This engine block coolant heater cable fits Chevrolet Silverado 1500/LD/LTD 2019–2023, Silverado 2500/3500 HD Duramax Trucks 2020–2024, and other GM models.
  • 24 ounces Item model number ‏ : ‎ 84564686 Date First Available ‏ : ‎ August 8, 2025 Manufacturer ‏ : ‎ BSNOVT ASIN ‏ : ‎ B0FLT5QSSM Product description Vehicle-Specific Fit: This 84564686 engine block coolant heater cord is designed to fit Chevrolet Silverado 1500/LD/LTD (2019–2023) and Silverado 2500/3500 HD Duramax trucks (2020–2024) perfectly.

Fitment data is provided as a buying aid. Verify the listing against your vehicle and existing part before ordering.

Repair scenarios, installation, companion parts, and use outcomes

Buying guidance

Quick decision

Review this accessories in the context of the repair and the surrounding components.

Repair scenario

  • Identify the symptom and confirm that this is the component required by the repair.
  • Inspect nearby connectors, fasteners, and mating surfaces before installation.

Installation notes

  • Use the listing instructions when present and follow the vehicle service procedure.
  • Professional installation may be appropriate when the repair requires special tools or calibration.

Companion parts

  • Inspect nearby fasteners, connectors, seals, fluids, and wear items before starting the repair.
  • Use the service procedure and the visible package contents to identify any additional parts or tools required.

Before you buy

  • Verify the referenced part number: 84564686.
  • Compare the listing title, photos, package contents, and specifications with the part being replaced.
  • Confirm vehicle compatibility and installation requirements before ordering.

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