Module - GM (40009451)
Genuine OEM GM Parts & Accessories - 40009451
Module - GM (40009451)
Genuine OEM GM Parts & Accessories - 40009451
- GM
- 40009451
- 86778190
Details
- Brand:
- SKU:
40009451
- Other Names:
Control Module, Diesel Exhaust Fluid (Def) Module, Controller
- Description: ACDelco Reductant Control Module (Part Number: 40009451) is an emission-control module that manages reductant (DEF) dosing for diesel emission reduction systems.World Parts Direct is a U.S. based distributor offering competitive pricing, compatibility-guaranteed parts, OEM-backed warranty, and expert technical support for emission systems.
- Function: Controls reductant dosing and monitors emission reduction system operation for diesel engines (3.0L and 6.6L diesel applications)
- Application: Designed for specified diesel models including Escalade, Suburban, Tahoe, and Yukon with 3.0L/6.6L engines
- Part Category: Emission Control Parts
- Underhood
- 21
- Replaces:
86778190
- MSRP: $180.84
- You Save: $79.86 (44.2% off)
- Sale Price: $100.98
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- GM
- 40009451
- 86778190
Details
- Brand:
- SKU:
40009451
- Other Names:
Control Module, Diesel Exhaust Fluid (Def) Module, Controller
- Description: ACDelco Reductant Control Module (Part Number: 40009451) is an emission-control module that manages reductant (DEF) dosing for diesel emission reduction systems.World Parts Direct is a U.S. based distributor offering competitive pricing, compatibility-guaranteed parts, OEM-backed warranty, and expert technical support for emission systems.
- Function: Controls reductant dosing and monitors emission reduction system operation for diesel engines (3.0L and 6.6L diesel applications)
- Application: Designed for specified diesel models including Escalade, Suburban, Tahoe, and Yukon with 3.0L/6.6L engines
- Part Category: Emission Control Parts
- Underhood
- 21
- Replaces:
86778190
Vehicle Fitment
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|
WorldPartsDirect.com
Thanks for shopping with World Parts Direct, home of the low-price and right-part-guarantee! Everything we carry is genuine, OEM and ships straight from a licensed dealership. All of our products are backed by a nationwide warranty and can be returned within 30 days if you no longer need it. What's the catch? There isn't one! Nobody beats our prices and nobody offers higher quality parts than we do, and if we cannot get the part you need, nobody can! We offer hundreds of thousands of unique items, including discontinued parts. Your satisfaction is our top priority and we hope you'll give us the opportunity to earn your business today.
GM

Built with GM’s engineering expertise, ACDelco and OEM GM parts are factory original equipment replacement parts for your Chevy, Buick, Cadillac, GMC, Saturn, Pontiac, Oldsmobile or Hummer. Every ACDelco and OEM GM part is rigidly held to federal safety and quality standards and is guaranteed by GM Replacement Parts Limited Warranty. You can trust GM Genuine Parts when ordering this Module for your 2021-2025 vehicle. GM Parts & Accessories Limited Warranty.
