Drivetrain› Differentials and Rear-End Components

Dana

DOUBLE JOINT

$1,220.78

SKU: D00O 914579

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

Advanced — 4+ hours

Description

The Dana 914579 is a Spicer M220 Rear 3.42 Ratio Differential Ring and Pinion. This high-performance component is engineered for durability and precision, crafted from high-grade steel. It undergoes a meticulous manufacturing process that includes precision machining, CNC triple-lapping for optimal gear mesh, and rigorous Rockwell hardness testing to ensure exceptional strength and longevity under demanding conditions. Designed for the rear axle, it provides the ideal gearing for various applications, enhancing vehicle performance and power transfer.

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

BrandDana
Part NumberD00O 914579

Videos

Spicer Garage ServicingSpicerLifeSeries

Spicer Garage ServicingSpicerLifeSeries
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Identifying the Driveshaft Series and U-joints | Spicer Garage

Identifying the Driveshaft Series and U-joints | Spicer Garage
Replacing Front Driveshaft Double Cardan U-Joints on Jeep Wrangler TJ Dana 30

Replacing Front Driveshaft Double Cardan U-Joints on Jeep Wrangler TJ Dana 30
Full Re Gear in 60 seconds! Can you guess what axle this is?

Full Re Gear in 60 seconds! Can you guess what axle this is?
Which Traction Device is Right for You?

Which Traction Device is Right for You?
Ask the Expert - Tech Tips for Rebuilding Genuine Dana Axles

Ask the Expert - Tech Tips for Rebuilding Genuine Dana Axles
Ring Gear Installation

Ring Gear Installation

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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