• Closeup of Dana Spicer 360KG104X ring and pinion gearset for S135, S150 and G360CA axles, 3.73 ratio, new genuine OEM set with ring gear and pinion.
  • 360KG104X Dana Gearset S135/S150 – 3.73 Ratio, Genuine New (Replaces Int 1695921C91)
  • Dana Spicer pinion gear 360GP104 from the 360KG104X 3.73 ratio ring and pinion set for S135 S150 axles
  • New Genuine Dana Spicer ring and pinion gear set 360KG104X showing 360GR104 ring gear and 360GP104 pinion with 41/11 tooth count for 3.73 ratio
  • Close-up view of Dana Spicer 360GR104 hypoid ring gear teeth from the 360KG104X 3.73 gearset for S135 S150 G360CA axles
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360KG104-X

360KG104-X Gearset | Dana Spicer | S135 S150 G360CA | 3.73 Ratio | New Genuine

360KG104-X Gearset | Dana Spicer | S135 S150 G360CA | 3.73 Ratio | New Genuine

$1,074.74 USD
$1,074.74 USD $1,347.74 USD
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360KG104X | Dana Spicer Gearset | S135 / S150 / G360CA | 3.73 Ratio | New Genuine

New Genuine Dana Spicer 360KG104X — Hypoid ring & pinion gearset for S135, S150, and G360CA axles. Matching International OEM 1695921C91. 3.73:1 ratio (41/11 tooth count) – an excellent balance for heavy-duty trucks needing strong performance and good highway efficiency. In stock and ready to ship from Discount Parts Exchange (DPX) in Mansfield, Ohio.

How to Calculate Gear Ratio: Divide the number of teeth on the ring gear by the number of teeth on the pinion gear (e.g., 41 ÷ 11 = 3.73). This is the standard method used by Dana Spicer.

Call to confirm availability: 419-522-3320

Key Specifications

Specification Value
Gearset Part Number 360KG104X
Ring Gear Number 360GR104
Pinion Number 360GP104
Gear Ratio 3.73 (41 ring / 11 pinion teeth)
Ring Gear Size 14.17"
Ring Gear Type Hypoid
Recommended Carrier 360DU103 (Fits 3.38 – 3.73 ratios)
Axle Models S135, S150, G360CA
Pinion Nut HN130 (Not Included)
Input Seal 029HH100 (Not Included)
Country of Origin USA
Gross Weight 58.0 lbs

Applications & Fitment

Direct fit for Dana Spicer S135, S150, and G360CA axle platforms. The 3.73 ratio provides a great balance of performance and highway efficiency for heavy-duty trucking applications.

Important: Verify axle model, current ratio, and related hardware (pinion nut, seal, carrier) before ordering.

What’s Included

  • 1 × Ring Gear – 360GR104
  • 1 × Pinion – 360GP104
  • Pinion nut, input seal, and installation hardware not included

DPX Drivetrain Tools Hub

Free tools built by rebuilders for mechanics, drivers, and fleets:

Road Speed Calculator • Gear Ratio Charts • PTO Shimming Guide • Full IPL Library →

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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