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Tractor Accessories
Lawn & Garden

Model # 640278 Official Tractor Accessories carburetor

Here are the diagrams and repair parts for Official Tractor Accessories 640278 carburetor, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

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ALL PARTS
Showing 10 of 29 parts  |
Lawn Mower O-ring 631028
#29

Carburetor 640278 diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

?
Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Needle Seat 631021
#30

Carburetor 640278 diagram

Needle seat

Part #631021

Replaced by #631021B

?
Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$9.79 | 
9% OFF Phone Price : $10.79
In Stock
Lawn & Garden Equipment Engine Carburetor Primer Bulb 640259
#35

Carburetor 640278 diagram

Lawn & garden equipment engine carburetor primer bulb

Part #640259

BEST SELLER
This item is not returnable
$9.79 | 
9% OFF Phone Price : $10.79
In Stock
Float 632019
#28

Carburetor 640278 diagram

Float

Part #632019

Replaced by #632019A

?
Manufacturer substitution
This part replaces 632019. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$8.89 | 
10% OFF Phone Price : $9.89
In Stock
Troybilt Lawn & Garden Equipment Engine Carburetor Float Bowl (replaces 631025, 632808) 631867
#25

Carburetor 640278 diagram

Troybilt lawn & garden equipment engine carburetor float bowl (replaces 631025, 632808)

Part #631867

This item is not returnable
$3.49 | 
22% OFF Phone Price : $4.49
In Stock
Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor 640278 diagram

Lawn & garden equipment throttle shaft return spring (replaces 630731, 631279, 631279a, 631279l, 632016)

Part #631767

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lawn & Garden Equipment Nut 640050
#40

Carburetor 640278 diagram

Lawn & garden equipment nut

Part #640050

This item is not returnable
$8.20
In Stock
Lawn & Garden Equipment Screw 640027
#20

Carburetor 640278 diagram

Lawn & garden equipment screw

Part #640027

This item is not returnable
$4.14
In Stock
Lawn & Garden Equipment Engine Throttle Shaft Seal 631183
#5

Carburetor 640278 diagram

Lawn & garden equipment engine throttle shaft seal

Part #631183

This item is not returnable
$2.16
In Stock
Troybilt Lawn & Garden Equipment Engine Welch Plug (replaces 53-005) 631027
#48

Carburetor 640278 diagram

Troybilt lawn & garden equipment engine welch plug (replaces 53-005)

Part #631027

This item is not returnable
$2.16
In Stock

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