Tecumseh
Lawn & Garden Engine

Model # AV520A Official Tecumseh engine

Here are the diagrams and repair parts for Official Tecumseh AV520A 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 119 parts  |

Lamination 34443C
#100

Tecumseh engine diagram

Lamination

Part #34443C

Replaced by #34443D

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Manufacturer substitution
This part replaces 34443C. Substitute parts can look different from the original.
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$49.15
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In Stock
Lawn & Garden Equipment Engine Recoil Starter Housing 590695A
#11

Rewind starter diagram

Lawn & garden equipment engine recoil starter housing

Part #590695A

Replaced by #590785

?
Manufacturer substitution
This part replaces 590695A. Substitute parts can look different from the original.
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$30.47
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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

Rewind starter 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

Tecumseh engine diagram

Lawn & garden equipment engine fuel line clamp

Part #26460

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Lawn & Garden Equipment Engine Fuel Line (replaces 14306, 34357) 29774
#290

Tecumseh engine diagram

Lawn & garden equipment engine fuel line (replaces 14306, 34357)

Part #29774

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Lawn & Garden Equipment Engine Carburetor Primer Assembly (replaces 570682, Tc-570682a) 570682A
#350

Tecumseh engine diagram

Lawn & garden equipment engine carburetor primer assembly (replaces 570682, tc-570682a)

Part #570682A

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Lawn & Garden Equipment Engine Spark Plug Boot (replaces 27276, Tc-610118) 610118
#101

Tecumseh engine diagram

Lawn & garden equipment engine spark plug boot (replaces 27276, tc-610118)

Part #610118

This item is not returnable
$5.24
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Lawn & Garden Equipment Engine Recoil Starter Handle (replaces 590443, 590452) 590701
#13

Rewind starter diagram

Lawn & garden equipment engine recoil starter handle (replaces 590443, 590452)

Part #590701

This item is not returnable
$7.80
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Lawn & Garden Equipment Engine Recoil Starter 590732A
Lawn & garden equipment engine recoil starter

Part #590732A

$54.69
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Lawn & Garden Equipment Throttle Shaft Return Spring (replaces 630731, 631279, 631279a, 631279l, 632016) 631767
#2

Carburetor diagram

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

Part #631767

This item is not returnable
$2.49
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Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Main causes: faulty unloader valve, bad pressure regulator…

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Main causes: broken recoil spring, damaged recoil starter…

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Repair guides for gas pressure washers

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

How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty
Time required
 15 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty
Time required
 45 minutes or less
How to replace a pressure washer pump

How to replace a pressure washer pump

The pump can be damaged by air in the inlet water supply or by chemicals that remain in the pump body after using the ch…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

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

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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