Drivetrain› Differentials and Rear-End Components

Motobilt

DIY Heavy Diff Cover for M275 Ford SD 14 Bolt Axle

$135.00

SKU: M05M MB4104-DIY

Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Motobilt MB4104-DIY is a heavy-duty differential cover kit designed for the Ford M275 Super Duty 14 Bolt Rear axle. It is constructed from 3/8 inch thick steel plate for the diff ring and 1/4 inch thick steel plate for the shell, providing superior protection against off-road hazards. This kit is intended for users who can weld and wish to assemble the cover themselves.
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DIY Heavy Diff Cover for M275 Ford SD 14 Bolt Axle

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandMotobilt
Part NumberM05M MB4104-DIY
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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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