Differential Yokes for Dana 44, Dana 60, Ford 8.8, GM 10 Bolt

What Differential Yokes Cover

Differential Yokes includes pinion yokes, companion flanges, side flange yokes, conversion yokes, and related hardware. These parts connect the driveshaft U joint or CV assembly to the differential or transfer case output.

Pinion and Transfer Case Yokes

A pinion yoke mounts on the axle pinion shaft. A transfer case yoke mounts at the transfer case output. They may use different spline counts and seal surfaces even on the same vehicle.

U Joint Series and Strength

The yoke must accept the exact U joint series used by the driveshaft. Common series include 1310, 1330, 1350, 1410, 1480, 7290, and 7260. A stronger series does not fit unless the yoke, joint, and driveshaft are compatible.

Conversion Yokes

Conversion yokes allow a different U joint series at one end of the driveshaft. Verify cap diameter, overall width, retaining method, and required joint before ordering.

Common Axle Applications

Popular applications include Dana 30, Dana 44, Dana 60, Dana 70, Dana 80, Ford 8 inch and 9 inch, Ford 8.8, GM 7.5, GM 8.5, GM 12 bolt, GM 14 bolt, Chrysler 8.75, Chrysler 9.25, and Jeep transfer cases.

Spline and Seal Surface

Confirm pinion spline count, seal journal diameter, flange bolt pattern, and nut thread. Similar looking yokes can have different spline and seal dimensions.

Installation and Setup

Changing a pinion yoke can affect pinion bearing preload. A technician should mark the original nut position and follow the axle manufacturer procedure. A full gear setup uses precise preload and backlash measurements.

Driveshaft Angle

Lifted trucks and Jeeps can need a different yoke or a driveline angle correction. Address U joint angle, slip travel, and suspension height together.

Top Brands

• Yukon Gear. Replacement and performance axle yokes, flanges, and driveline parts
• Omix. Jeep axle and transfer case yokes and hardware
• Spicer. Dana axle and driveline components
• Motive Gear. Ring and pinion parts and axle support components
• Nitro Gear. Performance axle and off road driveline products
• Strange Engineering. Performance axle and driveshaft components
• G2 Axle and Gear. Off road axle assemblies and components

How to Choose the Correct Part

• Confirm the exact year, make, model, axle, and drivetrain
• Identify the axle family and differential model
• Count pinion or output shaft splines before ordering
• Match the yoke to the U joint series on the driveshaft
• Measure the seal surface and flange diameter when specified
• Confirm flange bolt pattern and retaining method
• Check whether the application uses straps, U bolts, or a flange
• Review driveshaft angle after a lift or suspension change
• Order a compatible pinion seal and installation hardware when needed
• Use qualified setup procedures when pinion preload must be reset

Common Questions

What does a differential yoke do?

A differential yoke connects the driveshaft to the pinion shaft or companion flange so engine torque can reach the axle.

How do I identify my U joint series?

Measure cap diameter and overall width, then compare those dimensions and the retaining style with a U joint chart.

Can I install a 1350 yoke on a 1310 driveshaft?

Not directly. You need compatible yoke and joint dimensions, often with a properly selected conversion joint or a revised driveshaft.

Do I need a new pinion seal when replacing a yoke?

It is often smart to replace the pinion seal if the yoke is removed, especially when the old seal has wear, leakage, or a damaged sealing surface.

What is a companion flange?

A companion flange is a bolted flange style connection between the pinion and driveshaft instead of a conventional U joint saddle yoke.

Why does my new yoke vibrate?

Incorrect U joint series, poor driveshaft angle, imbalance, or improper pinion preload can cause vibration. Verify every driveline dimension.

Can a lifted Jeep need a different yoke?

Yes. Lift height can change driveshaft angles and slip travel. Some builds use a conversion yoke or slip yoke eliminator to improve geometry.

What information is needed for yoke fitment?

Provide vehicle details plus axle type, spline count, U joint series, flange measurements, and whether the part mounts at the pinion or transfer case.

Are yokes vehicle specific?

Many are axle specific rather than only vehicle specific. The same axle may appear in several vehicles, but spline count and year still matter.

Can Black Ops Auto Works help select a yoke?

Yes. Contact the team with vehicle details and axle measurements for fitment help before ordering.

Why Buy from Black Ops Auto Works

Black Ops Auto Works stocks parts with real fitment data, competitive pricing, and support from staff who understand performance and restoration builds. Filter by year, make, model, trim, engine, and drivetrain to confirm the correct application before ordering.

For focused shopping, browse our Differentials, Differential Install Kits, Differential Seal Kits, Axles & Components.