Engines and Components› Oiling Systems

TwinPower

Twin Power 65-E82 Big Twin 53-78 K and XL Drop In Oil Filter Replaces H-D 63840-53

$26.55

SKU: T09O 603610

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Twin Power 603610 is a drop-in oil filter designed for classic Harley-Davidson motorcycles. It features rolled and crimped edges to prevent leaks and includes a built-in, calibrated pressure relief valve.

This filter replaces Harley-Davidson part number 63840-53 and is engineered for optimal oil flow and superior engine protection in Big Twin, K, and XL models from 1953-1982. Twin Power offers reliability and an extended service life for easy maintenance.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTwinPower
Part NumberT09O 603610

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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