Exterior Components Body Panels and Components

Dexter Axle

FORTRESS CAP 9K - 10K GD O-RING R

$62.47

SKU: D010 K21-302-00

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

Moderate — 2–4 hours

Description

The Dexter Fortress Threaded Cap is a cast aluminum oil cap designed for Dexter axles with a 9,000 to 10,000 lbs. gross duty capacity. It features a large, accessible side fill/drain plug for streamlined 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 K21-302-00

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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