27717-X | Dana Spicer Loaded Differential Case | Dana 70-B | 1.500"–23 Spline | 4.56 & Up – New OE

27717-X is a New OE genuine Dana Spicer loaded differential case for **Dana 70-B** axles (standard open case, not Power Lok). This assembly is set up for **1.500"–23 spline** axle gears and is compatible with **4.56 and higher** ring gear ratios. Features a 2-pin case design with 1/2" offset.

Call 419-522-3320 for pricing and availability.

Key Specifications

• Part Number: 27717-X (27717X)
• Manufacturer: Dana Spicer
• Axle Series: Dana 70-B (Standard Case)
• Spline Size: 1.500" – 23 Spline (A-Gears)
• Casting Number: 42972
• Case Type: 2-Pin Case Assembly
• Ring Gear Ratio: 4.56 and Up
• Offset: 1/2"
• Condition: New OE

What’s Included

• (1) Loaded Differential Case Assembly – 27717-X
• Internal gears and components (matches unloaded reference 706056X)

Fitment Notes

Designed for standard Dana 70-B axles (not Power Lok). Verify spline size (1.500"–23), ratio (4.56 & up), and axle model before ordering. Carrier, ring gear bolts, and other components sold separately.

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Image Disclaimer

Photos show the actual New OE loaded differential case you will receive.

Shipping / Location

• Ships from our Mansfield, Ohio warehouse (419-522-3320)
• Parcel or LTL options available based on packaging and weight
• Warehouse Bin Location: DPX_OH_BR549_DAN

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Discount Parts Exchange (DPX) — Mansfield, Ohio — Since 1997