• 122045 Dana Spicer Eaton RT461 gearset, ratio 4.11 / 5.61, new genuine NOS
  • Pinion view of 122045 Dana Spicer Eaton RT461 gearset, ratio 4.11 / 5.61, new genuine NOS
  • Ring gear view of 122045 Dana Spicer Eaton RT461 gearset, ratio 4.11 / 5.61, new genuine NOS
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122045

122045 Gearset | Dana Spicer Eaton RT461, 4.11/5.61 Ratio – New (NOS) Genuine

122045 Gearset | Dana Spicer Eaton RT461, 4.11/5.61 Ratio – New (NOS) Genuine

$1,547.44 USD
$1,547.44 USD $1,974.47 USD
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122045 | Eaton / Dana Spicer Gearset | RT461 / RC521 / RC581 / 23080T / 23080P / 23085C | 4.11 / 5.61 Ratio | New Genuine (NOS)

New genuine Eaton / Dana Spicer ring & pinion gearset 122045 for RT461, RC521, RC581, 23080T, 23080P, and 23085C axles. 4.11 / 5.61 ratio (37/9 teeth). Ring gear 53167, pinion 126121. New old stock (NOS) – unused and in excellent condition. In stock and ready to ship from Discount Parts Exchange (DPX), Mansfield, Ohio.

Call for pricing & availability: 419-522-3320.

Specs & Features

  • Part Number: 122045
  • Manufacturer: Eaton / Dana Spicer
  • Type: Ring & Pinion Gearset
  • Gear Ratio: 4.11 / 5.61
  • Tooth Count: 37 ring / 9 pinion
  • Ring Gear: 53167 (18" spiral)
  • Pinion: 126121 (fine spline; nut not included)
  • Condition: New Genuine (NOS)
  • Application: Eaton / Dana Spicer RT461, RC521, RC581, 23080T, 23080P, 23085C axles

What’s Included

  • (1) Ring Gear — 53167
  • (1) Pinion — 126121
  • No hardware or pinion nut included

Fitment Notes

  • Compatible with Eaton / Dana Spicer RT461, RC521, RC581, 23080T, 23080P, and 23085C axle applications
  • Confirm spline count, axle model, and ratio compatibility before purchase

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Image Disclaimer

Photos show the actual part in inventory. Minor storage marks possible on surplus/NOS items.

Warranty Policy

Sold as-is; no warranty or returns. Please verify fitment before purchasing. Discount Parts Exchange (DPX) – trusted since 1997.

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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