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Drivetrain› Differentials and Rear-End Components

Zumbrota Drivetrain

Master Overhaul Kit

Name: Master Overhaul Kit
Brand: Zumbrota Drivetrain
SKU: ZK F9-HDD-SPC

$358.89

SKU: ZK F9-HDD-SPC

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Zumbrota Drivetrain ZK F9-HDD-SPC is a master overhaul kit for Ford 9" differentials with LM104911 carrier bearings and Daytona Pinion support.

This kit utilizes Koyo bearings and races, and includes essential components such as carrier and pinion bearings/races, pilot bearing, pinion seal, a complete shim kit, ring gear bolts, pinion nut, crush sleeve eliminator, thread locker, and marking compound with brush and gasket.

Show original supplier description

The Zumbrota Drivetrain ZK F9-HDD-SPC is a comprehensive master overhaul kit designed to service Ford 9-inch differentials that feature the LM104911 carrier bearing and Daytona Pinion support. This kit is a direct replacement for USA Standard Gear part number ZK F9-HDD-SPC. This overhaul kit provides all the necessary components for a thorough rebuild. The included parts cover critical areas: carrier bearings and races, pinion bearings and races, a pilot bearing, and a pinion seal. Additionally, it comes with a complete shim kit for precise gear setup, ring gear bolts, a pinion nut, and a crush sleeve eliminator for reliable pinion depth adjustment. For ease of installation and accuracy, the kit also contains thread locker and marking compound with a brush, along with a gasket.

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

Brand	Zumbrota Drivetrain
Part Number	ZK F9-HDD-SPC
Category	Drivetrain

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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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