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Traxxas - TRAC3909 TRA3996X 3996X 020334399694 0020334399694
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Traxxas Idler Gear 20T/Idler Gear Shaft
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Traxxas Idler Gear 20T/Idler Gear Shaft
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Traxxas Idler Gear 20T/Idler Gear Shaft Add to Wish List
8.78  Buy Now .40  
Traxxas Idler Gear 20T/Idler Gear Shaft Add to Wish List
13.08  Buy Now .69  
Traxxas Idler Gear 20T/Idler Gear Shaft Add to Wish List
26.04  Buy Now 1.50  

Regularly Purchased Together
— Customers who purchased the above product also bought the following —
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
1.  LXTKP6 Traxxas Input Shaft/Drive Assembly 8.29  Buy Now
2.  LXTKP1 Traxxas Output Gear 33T E-Maxx 2.59  Buy Now
3.  LXHFS7 Traxxas Ball Bearings 5x11x4mm Revo (2) 2.99  Buy Now
4.  LXTKP5 Traxxas Gearbox Halves Front/Rear 8.29  Buy Now
5.  LXTKM5 Traxxas Spur Gear 0.8P 68T E-Maxx 2.59  Buy Now
6.  LXTKM7 Traxxas Output Shaft Transmission E-Maxx 6.19  Buy Now
7.  LXHGC5 Traxxas Slipper Pressure Plate & Hub Alloy Revo 6.59  Buy Now
8.  LXTKM4 Traxxas Spur Gear 0.8P 65T E-Maxx 2.59  Buy Now
9.  LXTKH7 Traxxas Single Motor Plate Blue E-Maxx 8.29  Buy Now
10.  LXMHV5 Traxxas Cover Plates/Seals Revo 2.19  Buy Now
11.  LXZUH8 Traxxas Heavy Duty Slipper Clutch Rebuild Kit Revo/Maxx 7.79  Buy Now
12.  LXCGMN Traxxas Cover Gear/Dust Plug 3x6mm CS (3) 3.89  Buy Now
  Click for more items regularly purchased together...
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Tech Notes
This is the replacement 20 Tooth Idler Gear and Shaft for the
Traxxas E-Maxx 4WD RTR.


Steel construction, gun metal in color
Replaces a worn or damaged idler gear and shaft


One 20 Tooth Idler Gear
One 5x18mm Idler Gear Shaft


Installation following the model manual


Outside Diameter: .86" (22mm)
Inside Diameter: .43" (11mm)
Thickness: .50" (12.5mm)


– If you need more information, use these Traxxas resources –
Web Site:
Phone: 888-872-9927
  Postal Address:

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Parts Compatibility
Parts Compatibility for Traxxas Idler Gear 20T/Idler Gear Shaft
This item is a replacement part for the following:
 LXEWNR** Traxxas 1/10 E-Maxx Brushed RTR w/2 7-Cells  (Parts List)
 LXEWNV** Traxxas 1/10 E-Revo EVX-2 RTR w/2 7-Cells  (Parts List)
 LXEWNY** Traxxas 1/10 Summit TQi 4WD RTR  (Parts List)
 LXFFUW** Traxxas 1/10 E-Revo EVX-2 iD 4WD RTR  (Parts List)
 LXZJE4** Traxxas 1/10 E-Maxx Brushed 2.4GHz RTR w/2 7-Cells  (Parts List)
 LXEVTP** Traxxas 1/10 E-Maxx TQi Brushless 4WD RTR  (Parts List)
 LXFBMF** Traxxas 1/10 E-Maxx TQi 4WD RTR  (Parts List)
 LXDGWS** Traxxas 1/16 Slash Brushed TQ 2.4GHz RTR  (Parts List)
 LXELZR** Traxxas 1/10 E-Maxx Brushless TQi w/Traxxas Link  (Parts List)
 LXELZT** Traxxas 1/10 Summit 4WD Monster Truck RTR w/TQi  (Parts List)

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