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Traxxas Gear set rear differential (output gears (2)/ spider gears (4) ( 8581 required to build complete differential)

Traxxas Gear set rear differential (output gears (2)/ spider gears (4) ( 8581 required to build complete differential)

Brand: Traxxas

Part No: TRX8577

$23.66 RRP $24.91

In Stock: Usually ships same day

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The Traxxas TRX8577 rear differential gear set provides the core internal gears needed for a rear diff service or rebuild. Supplied as two output gears and four spider gears, this Traxxas part helps refresh worn internals and maintain consistent differential action. Note: Traxxas part 8581 is required to build a complete differential assembly.

Designed as a direct Traxxas part number TRX8577, this gear set is a straightforward choice for routine maintenance when restoring the rear differential’s internal gear mesh.

Weights & Dimensions

  • Weight: 44.45 g (1.568 oz)
  • Shipping Weight: 0.05 kg (0.10 lb)
  • Product Height: 44.45 mm (1.75 in)
  • Product Width: 76.20 mm (3 in)
  • Product Length: 120.65 mm (4.75 in)
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Weights & Dimensions
Weight 44.45g 1.568oz
Shipping Weight 0.05kg 0.10lbs
Product Height 44.45mm 1.75in
Product Width 76.20mm 3in
Product Length 120.65mm 4.75in


      Key Info:
      • Brand: Traxxas
      • Part No: TRX8577
      • Barcode: 020334857705
      Standard Shipping

      £3.95 to most of the UK

      Express Shipping

      £6.95 to most of the UK

      Worldwide Shipping

      Available at checkout

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      Questions & Answers
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      Will these gears fit the front differential of the traxxas UDR? thanks sm
      August / 13th May 2025

      They are listed under the UDR spares but always check part numbers in your manual.

      Steve @ Wheelspin Models
      I have a jeep Cherokee 3.7 2004, had apart rear diff axle, and a small spider gear has teeth damage, do you have one? Thanks Ray
      Ray Davis / 5th March 2021

      Sounds like that's a full size car, not a model...?

      Ben @ Wheelspin Models
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