Engine Cooling Fan Clutch 84013368 for Silverado & Sierra HD 6.6L Diesel 2017–2019
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
- 2017–2019 Chevrolet Silverado 2500HD / 3500HD — 6.6L diesel
- 2017–2019 GMC Sierra 2500HD / 3500HD — 6.6L diesel
Product Overview
A fan clutch that remains disengaged can reduce radiator airflow when the engine needs cooling. One that stays engaged can produce persistent fan noise and unnecessary drag.
Confirm the 6.6L diesel engine and the factory electronic fan-clutch connector. This is not a general replacement for every 2500HD or 3500HD engine.
Key Features & Performance
- Engine cooling fan clutch
- GM OE reference 84013368
- ACDelco reference 15-40577
- Manufacturer lists 5-terminal electrical connection
Replaces / Cross-References
- 84013368
- 15-40577
What Is Included
One replacement component or assembly, unless the supplier package specifies otherwise.
Fitment Notes
Compare the wiring connector, fan mounting and clutch dimensions. Inspect coolant system operation before attributing overheating solely to the clutch.
Common Reasons for Replacement
- Cooling fan fails to engage when needed
- Excessive continuous fan roar
- Fan-clutch fault confirmed by diagnosis
Frequently Asked Questions
Is this an OEM part? No. Unless specifically identified otherwise, this is an aftermarket replacement or accessory. Brand names and part numbers identify the intended application, not manufacturer authorization.
How do I confirm fitment? Compare the wiring connector, fan mounting and clutch dimensions. Inspect coolant system operation before attributing overheating solely to the clutch.
Part Summary
keywords: Engine Cooling Fan Clutch 84013368 for Silverado & Sierra HD 6.6L Diesel 2017–2019, 84013368, 15-40577, 2017–2019 Chevrolet Silverado 2500HD / 3500HD, 2017–2019 GMC Sierra 2500HD / 3500HD, Cooling fan fails to engage when needed, Excessive continuous fan roar
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.