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GM / ACDelco  |  SKU: 12675428

2020–2025 L5P Duramax Oil Cooler Coolant Elbow Adapter Genuine OEM GM 12675428

$21.80


Product Care information

At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.

Delivery and Shipping

At BackWoods Diesel, we prioritize fast and reliable shipping. All orders are carefully packed and dispatched promptly to ensure your parts arrive safely and on time, so you can keep your projects running smoothly without delay.

We deliver top-quality parts with fast, reliable shipping so you can keep your diesel projects moving without missing a beat!

Description

Genuine GM 12675428 Oil Cooler to Rear Cover Coolant Elbow Adapter, designed specifically for 2020–2025 Silverado and Sierra HD 2500/3500 6.6L L5P Duramax models. This precision-machined OEM elbow connects the engine oil cooler to the rear engine cover and ensures proper coolant flow between the components.

Whether you're doing an OEM replacement or retrofitting the updated 2020+ L5P oil cooler (GM #12738896) onto earlier Duramax models, this adapter is required for proper installation. Built to GM’s high standards for fitment and durability.

Features:
- Genuine GM OEM Quality – Not an aftermarket part
- Required for retrofitting L5P Oil Cooler onto 2001–2019 Duramax models
- Connects oil cooler to rear engine cover
- High-quality construction ensures leak-free performance
- Trusted by diesel mechanics and performance shops

Compatibility:
2020–2025 Chevy Silverado 2500HD / 3500HD 6.6L L5P Duramax
2020–2025 GMC Sierra 2500HD / 3500HD 6.6L L5P Duramax
**Required when installing 2020+ L5P Oil Cooler on 2001–2019 Duramax trucks**

Important Note: Gaskets and mounting hardware are not included. Use in conjunction with GM Oil Cooler part number 12738896.

OEM Part Number: 12675428
UPC: 195491177000

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GM / ACDelco

2020–2025 L5P Duramax Oil Cooler Coolant Elbow Adapter Genuine OEM GM 12675428

$21.80

Genuine GM 12675428 Oil Cooler to Rear Cover Coolant Elbow Adapter, designed specifically for 2020–2025 Silverado and Sierra HD 2500/3500 6.6L L5P Duramax models. This precision-machined OEM elbow connects the engine oil cooler to the rear engine cover and ensures proper coolant flow between the components.

Whether you're doing an OEM replacement or retrofitting the updated 2020+ L5P oil cooler (GM #12738896) onto earlier Duramax models, this adapter is required for proper installation. Built to GM’s high standards for fitment and durability.

Features:
- Genuine GM OEM Quality – Not an aftermarket part
- Required for retrofitting L5P Oil Cooler onto 2001–2019 Duramax models
- Connects oil cooler to rear engine cover
- High-quality construction ensures leak-free performance
- Trusted by diesel mechanics and performance shops

Compatibility:
2020–2025 Chevy Silverado 2500HD / 3500HD 6.6L L5P Duramax
2020–2025 GMC Sierra 2500HD / 3500HD 6.6L L5P Duramax
**Required when installing 2020+ L5P Oil Cooler on 2001–2019 Duramax trucks**

Important Note: Gaskets and mounting hardware are not included. Use in conjunction with GM Oil Cooler part number 12738896.

OEM Part Number: 12675428
UPC: 195491177000

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