Craftsman
Lawn & Garden Engine

Model # 143988503 Official Craftsman engine

Here are the diagrams and repair parts for Official Craftsman 143988503 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 175 parts  |

Lawn Mower O-ring 631028
#29

Carburetor 1a70-5096 diagram

Lawn mower o-ring

Part #631028

Replaced by #631028A

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Manufacturer substitution
This part replaces 631028. Substitute parts can look different from the original.
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Needle Seat 631021
#30

Carburetor 1a70-5096 diagram

Needle seat

Part #631021

Replaced by #631021B

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Manufacturer substitution
This part replaces 631021. Substitute parts can look different from the original.
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$10.12
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Spark Plug 33636
#135

Craftsman 4-cycle engine diagram

Spark plug

Part #33636

Replaced by #J19LM

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Manufacturer substitution
This part replaces 33636. Substitute parts can look different from the original.
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$4.80
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Repair Kit 632760
#60

Carburetor 1a70-5096 diagram

Repair kit

Part #632760

Replaced by #632760B

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Manufacturer substitution
This part replaces 632760. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032) 590535
#12

Starter 590746 diagram

Lawn & garden equipment engine recoil starter rope, 98-in (replaces 1258, 28288, 28358, 28528, 30971, 31285, 31395, 31396, 31696, 590451a, 590456, 590527, 730608, 740032)

Part #590535

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Lawn & Garden Equipment Engine Fuel Line Clamp 26460
#292

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

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Lawn & Garden Equipment Engine Carburetor Manifold Gasket 33263
#184

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine carburetor manifold gasket

Part #33263

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

Carburetor 1a70-5096 diagram

Lawn & garden equipment engine carburetor o-ring

Part #632547

This item is not returnable
$3.64
23% OFF MSRP : $4.70
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Lawn & Garden Equipment Engine Air Filter 33268
#245

Craftsman 4-cycle engine diagram

Lawn & garden equipment engine air filter

Part #33268

This item is not returnable
$16.59
11% OFF Phone Price : $18.59
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Lawn & Garden Equipment O-ring 35499
#307

Craftsman 4-cycle engine diagram

Lawn & garden equipment o-ring

Part #35499

This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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 15 minutes or less
How to replace a freezer thermistor

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Repair difficulty
Time required
 45 minutes or less

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