SKU: 11046139391

ARRMA HD Input Gear 13T 1.35Mod ARA311031

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Description

ARRMA HD Input Gear 13T 1.35Mod ARA311031The ARRMA ARA311031 HD Input Gear is a 13T 1. 35Mod bevel drivetrain gear designed as a replacement input gear for compatible ARRMA differential assemblies using ARA310872 or ARA310956. Features HD Replacement Gear: Designed as a replacement for compatible kit supplied ARRMA input gears Hybrid Construction: Combines a composite gear moulded onto a metal splined shaft for smooth drivetrain operation 13 Tooth Bevel Gear: Correct 13T bevel gear profile

The ARRMA ARA311031 HD Input Gear is a 13T 1.35Mod bevel drivetrain gear designed as a replacement input gear for compatible ARRMA differential assemblies using ARA310872 or ARA310956.

Features

  • HD Replacement Gear: Designed as a replacement for compatible kit-supplied ARRMA input gears
  • Hybrid Construction: Combines a composite gear moulded onto a metal splined shaft for smooth drivetrain operation
  • 13 Tooth Bevel Gear: Correct 13T bevel gear profile for compatible ARRMA 1.35 Module differential setups
  • 1.35 Module Tooth Profile: Large tooth profile supports strength and durability in high-load RC drivetrain applications
  • Precise Dimensions: Manufactured for accurate fitment and smooth operation in compatible drivetrain assemblies
  • Useful Maintenance Part: Ideal for replacing worn, damaged, or noisy drivetrain input gears during differential servicing

Specifications

  • Brand: ARRMA
  • Part Number: ARA311031
  • Product Type: HD input gear
  • Gear Tooth Count: 13T
  • Gear Type: Bevel input gear
  • Gear Pitch: 1.35 Module
  • Construction: Composite gear moulded onto metal splined shaft
  • Application: Compatible ARRMA differential assemblies using ARA310872 or ARA310956
  • Intended Use: Replacement drivetrain input gear for compatible ARRMA vehicles

Includes

  • 1 x ARRMA HD input gear 13T

FAQ

What does the ARRMA ARA311031 input gear need to be used with? The ARRMA ARA311031 HD input gear is designed to be used with ARRMA ARA310872 or ARA310956 differential gear assemblies.

What tooth count is the ARRMA ARA311031 input gear? The ARRMA ARA311031 input gear is a 13 tooth bevel gear with a 1.35 Module tooth profile.

Is the ARRMA ARA311031 gear all metal? No. The ARRMA ARA311031 gear uses hybrid construction with a composite gear moulded onto a metal splined shaft.

Will this fit every ARRMA vehicle? No. OZRC recommends checking your ARRMA vehicle manual or exploded diagram to confirm ARA311031 is the correct input gear before installation.

Important Notes

  • Must be used with ARRMA ARA310872 or ARA310956.
  • Check your vehicle manual or exploded diagram before fitting to confirm correct drivetrain compatibility.
  • This listing is for one input gear only. Differential gear, bearings, shims, diff case, and other drivetrain parts are not included.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 11046139391

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christina castillo
Waukegan, US
★★★★★ 5
GREAT PRODUCT!
Size: 16 Line Spools+4 Caps
GREAT PRODUCT!
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Reviewed in the United States on May 24, 2026
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Amazon Customer
Massapequa, US
★★★★★ 4
Good
Size: 20 Line Spools+4 Caps
Great
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Reviewed in the United States on May 28, 2026
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K. Ranch
Alexandria, US
★★★★★ 5
Works like original equipment
Size: 16 Line Spools+4 Caps
Seems to handle the same work load as the manufacturer part. Good quality fit and design. No problems installing the string on the trimmer head. Definitely worth the purchase.
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Reviewed in the United States on September 18, 2025
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Doug
Waukegan, US
★★★★★ 5
Great replacement item.
Size: 16 Line Spools+4 Caps
Fit perfectly but price fluctuates catch them at a low price and order multiples or reload the cassettes with bulk string yourself...easy.
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Reviewed in the United States on May 8, 2026
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Kevin Marshall
Boise, US
★★★★★ 5
It was delivered next day
Size: 8 Line Spools+2 Caps
If it's like the previous line I purchased, it's good. Don't leave it in a hot garage, because the line will sometimes stick together when you get around to using it! NOTE: Again, I received this product YESTERDAY, and Amazon is sending me a survey today!! What AMAZON brain surgeon thinks that this is a good idea????
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Reviewed in the United States on May 10, 2026

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