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Product Summary

Ford 9 Inch, 31 Axle Splines

  • 3.25 & up Ring Gear Ratio
  • 9 in. Ring Gear Size
  • 1.32 in. Axle Shaft Diameter
  • Locking
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Key Specs

MFG. Part #187SL17B
BrandEaton Corporation
Axle Splines31
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Eaton Corporation 187SL17B Details

The Eaton Corporation 187SL17B Detroit Locker is a high-performance differential designed for Ford 9-inch rear ends with 31-spline axles. It supports ring gear ratios of 3.25 and higher and is compatible with a 9-inch ring gear size. Engineered for strength and durability, it accommodates axle shafts with a diameter of 1.32 inches. This differential features a locking mechanism that maximizes traction by delivering 100% power to both wheels under load, making it ideal for off-road and high-torque applications.

  • 3.25 & up Ring Gear Ratio
  • 9 in. Ring Gear Size
  • 1.32 in. Axle Shaft Diameter
  • Locking

Warranty Information

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Eaton products carry a one-year warranty from the date of purchase against defects in material and workmanship. The use of tires with diameters larger than 35 in. on limited-slip differentials will void this warranty. The use of tires larger than vehicle manufacturer recommendations will void this warranty on ELocker differentials. Differential assemblies must be registered by the consumer directly to Eaton to validate their warranties.

Eaton Corporation 187SL17B Specifications

KEY SPECS
MFG. Part #187SL17B
BrandEaton Corporation
Axle Splines31
GENERAL
Sold in QuantityEach
GTIN Code840379309638

Fitment

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