Lawn & Garden

Model # 640078A Official Tractor Accessories carburetor

Here are the diagrams and repair parts for Official Tractor Accessories 640078A carburetor, as well as links to manuals and error code tables, if available.

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640078A Carburetor
Troybilt Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 632760a, 632809) 632760B
#(NI)

Carburetor 640078a diagram

Troybilt lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)

Part #632760B

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$25.02
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Gasket 27110
#44

Carburetor 640078a diagram

Gasket

Part #27110

Replaced by #27110A

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Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
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$2.49
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Lawn & Garden Equipment Engine Carburetor Fuel Inlet Fitting 632527
#16

Carburetor 640078a diagram

Lawn & garden equipment engine carburetor fuel inlet fitting

Part #632527

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$9.59
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Troybilt Carburetor Float 631024
#27

Carburetor 640078a diagram

Troybilt carburetor float

Part #631024

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Lawn & Garden Equipment Engine Carburetor Float Pin 631022
#31

Carburetor 640078a diagram

Lawn & garden equipment engine carburetor float pin

Part #631022

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$2.49
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Lauson Spring Retainer 631970
#2

Carburetor 640078a diagram

Lauson spring retainer

Part #631970

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Troybilt Lawn & Garden Equipment Engine Tension Spring 630766
#18

Carburetor 640078a diagram

Troybilt lawn & garden equipment engine tension spring

Part #630766

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Troybilt Lawn & Garden Equipment Engine Welch Plug 630748
#47

Carburetor 640078a diagram

Troybilt lawn & garden equipment engine welch plug

Part #630748

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Troybilt Lawn & Garden Equipment Engine Carburetor O-ring 632547
#37

Carburetor 640078a diagram

Troybilt lawn & garden equipment engine carburetor o-ring

Part #632547

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$3.64
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Lawn & Garden Equipment Nut 640128
#40

Carburetor 640078a diagram

Lawn & garden equipment nut

Part #640128

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Most common symptoms to help you fix your dryers

Choose a symptom to see related dryer repairs.

Main causes: bad drum support roller, damaged idler pulley, broken blower fan blade, worn drum glide bearing, bad drive …

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Main causes: damaged door strike, worn door catch…

Main causes: bad timer or electronic control board, door switch failure…

Main causes: lack of electrical power, bad power cord, wiring failure, bad control board, blown thermal fuse, bad door s…

Main causes: clogged exhaust vent, bad motor relay, loose dryer door catch, bad door switch, control system failure, fau…

Main causes: clogged exhaust system, heating system failure, deposits on moisture sensor, control system failure…

Main causes: door switch failure, lack of power, broken belt, blown thermal fuse, bad drive motor, control system failur…

Most common repair guides to help fix your dryers

These step-by-step repair guides will help you safely fix what’s broken on your dryer.

How to replace a dryer drum support roller

How to replace a dryer drum support roller

If your dryer thumps or squeals, replace the drum support roller to restore quiet to your home.…

Repair difficulty
Time required
 90 minutes or less
How to replace a dryer thermistor

How to replace a dryer thermistor

The thermistor senses the air temperature in the dryer. If your dryer overheats or doesn't heat at all, the thermistor …

Repair difficulty
Time required
 30 minutes or less
How to replace a dryer door switch

How to replace a dryer door switch

The dryer won't start if the door switch isn't working correctly. You can install a replacement dryer door switch in les…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your dryers

Use the advice and tips in these articles and videos to get the most out of your dryer.

How to use your clothes dryer efficiently

How to use your clothes dryer efficiently

Get expert tips on using your dryer efficiently to save energy.…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…