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  5. Himax Gearbox Parts

A special note to gear purchasers for non-model aircraft purposes. We get many inquirys about asking if these gears will fit a Childs X-G-Wiz-Go toy or will repair a home kitchen device or etc. We are model aircraft experts, if it's a model aircraft gearbox, we can help figure out the part on the phone if your stuck. If it's a toy or special project outside the hobby, I can't begin to guess if our gear will mesh with your gear in your device. I can't tell from a photo what pitch your gear is. If your trying to fix a special item, my best suggestion is to purchase all the gears that look similar and have a go at it. Most gears are a few dollars or less.
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Himax 4.4:1 Gear Set for ACC3966 - Product Image
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Himax 4.4:1 Gear Set for ACC3966

Gearset, 2mm bore 14 tooth pinion and 3mm bore 62 tooth spur 4.4:1 for ACC3966 & 3937 gearbox.

SKU Number: MPIACC3966-3
Price:   $5.50 
Quantity:  

Himax 5.3:1 Gear Set for ACC3966 - Product Image
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Himax 5.3:1 Gear Set for ACC3966

Gearset, 2mm bore 12 tooth pinion and 3mm bore 64 tooth spur 5.3:1 for ACC3966 & 3937 gearbox.

SKU Number: MPIACC3966-2
Price:   $5.50 
Quantity:  

Himax 6.6:1 Gear Set for ACC3966 - Product Image
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Himax 6.6:1 Gear Set for ACC3966

Gearset, 2mm bore 10 tooth pinion and 3mm bore 66 tooth spur 6.6:1 for ACC3966 & 3937 gearbox.

SKU Number: MPIACC3966-1
Price:   $5.50 
Quantity:  

Himax 4.4:1 Spur Gear Only for ACC3966 & ACC3937 - Product Image
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Himax 4.4:1 Spur Gear Only for ACC3966 & ACC3937

Himax 4.4:1 Spur Gears (62 teeth), 2 pcs. for ACC3966 & ACC3937.

SKU Number: MPIACC3966-3A
Price:   $5.50 
Quantity:  

Himax 5.3:1 Spur Gear Only for ACC3966 & ACC3937 - Product Image
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Himax 5.3:1 Spur Gear Only for ACC3966 & ACC3937

Himax 5.3:1 (64 teeth) Spur Gear, 2 pcs. for ACC3966 & ACC3937.

SKU Number: MPIACC3966-2A
Price:   $5.50 
Quantity:  

Himax 6.6:1 Spur Gear Only for ACC3966 & ACC3937 - Product Image
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Himax 6.6:1 Spur Gear Only for ACC3966 & ACC3937

Himax 6.6:1 (66 teeth) Spur Gear, 2 pcs. for ACC3966 & ACC3937.

SKU Number: MPIACC3966-1A
Price:   $5.50 
Quantity:  

Himax Gearbox  Shaft for ACC3966 & ACC3937 Gearbox - Product Image
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Himax Gearbox Shaft for ACC3966 & ACC3937 Gearbox

Himax Gearbox Driveshaft with E-clip for ACC3966 & ACC3937. Priced per one shaft, e-clip and one plastic spacer. This is a shaft for the Himaxx gearbox that comes with the 2015 and 2025 motors and fits all other 20mm motors.

SKU Number: MPIACC3966-5
Price:   $2.00 
Quantity:  

Himax Threaded Shaft for ACC3937-5 - Product Image
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Himax Threaded Shaft for ACC3937-5

Himax Threaded Gearbox Driveshaft with E-clip for ACC3936, ACC3937. Priced per one 3mm threaded shaft, nuts, washer, e-clip and two plastic spacers. Use on ACC3937 & ACC3966.

SKU Number: MPIACC3937-5
Price:   $3.00 
Quantity:  

Himax Spacers for Driveshaft - Product Image
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Himax Spacers for Driveshaft

Himax 3966 Gearbox Driveshaft plastic spacers. This listing is priced for 5 spacers only in one pack.

SKU Number: MPIACC3966-7
Price:   $1.50 
Quantity:  

Himax E-Clips for Shaft - Product Image
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Himax E-Clips for Shaft

Himax 3966 Gearbox Driveshaft 2mm E-clips. These are very easy to lose when dismantling your gearbox. (for 3mm shaft gearboxs) This listing is priced for 5 individual clips in one pack.
SKU Number: MPIACC3966-6
Price:   $1.50 
Quantity:  

Himax Ball Bearing Set for 3937 & 3966 Gearbox - Product Image

Himax Ball Bearing Set for 3937 & 3966 Gearbox

Ball bearing set for ACC3937 (24mm) gearbox and ACC3966 (20mm gearbox) from Himax. Contains 2 each 6x2.5x3mm (OD/Width/ID) flanged bearings. Genuine factory parts. Genuine Japanese bearings.
SKU Number: MPIACC3966-4
Price:   $5.50 
Quantity:  

Himax Gearbox  Shaft for ACC4966 Gearbox - Product Image
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Himax Gearbox Shaft for ACC4966 Gearbox

Himax Gearbox Driveshaft with E-clip for ACC4966. Priced per one shaft, e-clip and one circlip spacer. 38.5mm long. For late model gearbox with 4mm shaft included with many 2015 and 2025 20mm inrunner/gearbox systems.
SKU Number: MPIACC4966-5
Price:   $2.00 
Quantity: