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Weed Eater
Front-Engine Lawn Tractor

Model # HD3Q4E9A Official Weed Eater tractor

Here are the diagrams and repair parts for Official Weed Eater HD3Q4E9A tractor, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

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

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For DIY troubleshooting advice and repair guides, visit our repair help section.

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Showing 10 of 636 parts  |
Blade 42" 138498
#11

42" mower deck diagram

Blade 42"

Part #138498

Replaced by #532138971

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Manufacturer substitution
This part replaces 138498. Substitute parts can look different from the original.
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Hub Cap 104757X
#11

Wheels and tires diagram

Hub cap

Part #104757X

Replaced by #532104757

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Manufacturer substitution
This part replaces 104757X. Substitute parts can look different from the original.
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Screw 138776
#30

42" mower deck diagram

Screw

Part #138776

Replaced by #584953901

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Manufacturer substitution
This part replaces 138776. Substitute parts can look different from the original.
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Solenoid 145673
#43

Electrical diagram

Solenoid

Part #145673

Replaced by #532146154

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Manufacturer substitution
This part replaces 145673. Substitute parts can look different from the original.
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Lawn Tractor Deflector Shield Hinge Rod 131491
#29

42" mower deck diagram

Lawn tractor deflector shield hinge rod

Part #131491

Replaced by #595297001

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Manufacturer substitution
This part replaces 131491. Substitute parts can look different from the original.
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Lawn Tractor Deflector Shield 130968
#27

42" mower deck diagram

Lawn tractor deflector shield

Part #130968

Replaced by #532130968

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Manufacturer substitution
This part replaces 130968. Substitute parts can look different from the original.
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Washer 19121414
#119

42" mower deck diagram

Washer

Part #19121414

Replaced by #596134901

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This part replaces 19121414. Substitute parts can look different from the original.
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Washer, 13/32 X 1-1/4 X 12 19132012
#72

Drive diagram

Washer, 13/32 x 1-1/4 x 12

Part #19132012

Replaced by #596134901

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Manufacturer substitution
This part replaces 19132012. Substitute parts can look different from the original.
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Vented Mandrel Shaft Assembly 137645
#13

42" mower deck diagram

Vented mandrel shaft assembly

Part #137645

Replaced by #532137646

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Manufacturer substitution
This part replaces 137645. Substitute parts can look different from the original.
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Rim.front.6. 106732X421
#5

Wheels and tires diagram

Rim.front.6.

Part #106732X421

Replaced by #532106732

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Manufacturer substitution
This part replaces 106732X421. Substitute parts can look different from the original.
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