AAM 40280003
AAM part number 40280003 is a differential cover gasket in the Drivetrain system. This catalog matches it to 25 year-and-engine configurations from 2019 to 2025.
Verified fitment includes 2025 Ram 4500 6.4L V8 ; 2025 Ram 4500 6.7L L6 DIESEL Turbocharged ; 2025 Ram 5500 6.4L V8 ; 2025 Ram 5500 6.7L L6 DIESEL Turbocharged ; 2024 Ram 4500 6.4L V8 , plus 20 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is AAM 40280003?
AAM part number 40280003 is a differential cover gasket with published application data for 25 vehicle configurations from 2019 to 2025. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does AAM 40280003 fit?
This catalog matches 40280003 to 25 year-and-engine configurations from 2019 to 2025. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is AAM 40280003 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. AAM 40280003 is listed with its manufacturer part number so you can compare it to an OEM number or another brand that covers the same fitment.
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