Exterior Components› Body Panels and Components

Dexter Axle

FORTRESS CAP 10K - 16K O-RING RUB

$62.47

SKU: D010 K21-304-00

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Dexter Fortress Threaded Cap is a replacement oil cap designed for axles with capacities ranging from 10,000 to 16,000 lbs. It fits Rockwell and AL-KO axles and is engineered by Dexter as a superior bearing protection solution. This aluminum cap features a side fill/drain plug for easier maintenance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

BrandDexter Axle
Part NumberD010 K21-304-00

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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