NATIONAL 3720
NATIONAL part number 3720 is a transfer case output shaft bearing in the Drivetrain system. This catalog matches it to 100 year-and-engine configurations from 1961 to 2024.
Verified fitment includes 2024 Jeep Wrangler 6.4L V8 ; 2023 Jeep Wrangler 6.4L V8 ; 2022 Ford F53 7.3L V8 ; 2022 Jeep Wrangler 6.4L V8 ; 2021 Ford F53 7.3L V8 , plus 95 other configurations. See every vehicle this part fits.
Frequently Asked Questions
What is NATIONAL 3720?
NATIONAL part number 3720 is a transfer case output shaft bearing with published application data for 100 vehicle configurations from 1961 to 2024. Use the manufacturer part number to cross-reference your old part or a repair quote before you order.
Which vehicles does NATIONAL 3720 fit?
This catalog matches 3720 to 100 year-and-engine configurations from 1961 to 2024. Open the compatible-vehicles list for every make, model and engine, and read the notes for position or trim qualifiers.
Is NATIONAL 3720 OEM or aftermarket?
What matters is the published application data for this part number, not the label on the box. NATIONAL 3720 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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