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Model # 143985004 Official Craftsman engine
Here are the diagrams and repair parts for Official Craftsman 143985004 engine, as well as links to manuals and error code tables, if available.
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143985004 Engine
#(NI)
Carburetor 640026 (71/143) diagram
Troybilt lawn & garden equipment engine carburetor rebuild kit (replaces 632760a, 632809)
Part #632760B
$25.02 |
19% OFF Phone Price : $31.02
Back Order
#100
Replacement parts diagram
Ignition module
Part #34443B
Replaced by #34443D
?
Manufacturer substitution
This part replaces 34443B. Substitute parts can look different from the original.
$40.75 |
13% OFF Phone Price : $46.75
In Stock
#250
Replacement parts diagram
Tecumseh lawn & garden equipment engine air filter cover (replaces 35986, b35065)
Part #35065
This item is not returnable
$9.69 |
9% OFF Phone Price : $10.69
In Stock
#290
Replacement parts diagram
Generac lawn & garden equipment engine fuel line (replaces 14306, 34357)
Part #29774
This item is not returnable
$5.99 |
14% OFF Phone Price : $6.99
Back Order
#44
Carburetor 640026 (71/143) diagram
Gasket
Part #27110
Replaced by #27110A
?
Manufacturer substitution
This part replaces 27110. Substitute parts can look different from the original.
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
Back Order
#292
Replacement parts diagram
Troybilt lawn & garden equipment engine fuel line clamp
Part #26460
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
#306
Replacement parts diagram
Gasket
Part #36996
Replaced by #37610
?
Manufacturer substitution
This part replaces 36996. Substitute parts can look different from the original.
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
#301
Replacement parts diagram
Cap
Part #36246
Replaced by #37844
?
Manufacturer substitution
This part replaces 36246. Substitute parts can look different from the original.
This item is not returnable
$6.69 |
13% OFF Phone Price : $7.69
In Stock
#239
Replacement parts diagram
Troybilt lawn & garden equipment engine air filter collar gasket
Part #34338
This item is not returnable
$2.49 |
29% OFF Phone Price : $3.49
In Stock
Carburetor
Part #640026
Replaced by #640262A
?
Manufacturer substitution
This part replaces 640026. Substitute parts can look different from the original.
$71.97 |
8% OFF Phone Price : $77.97
In Stock
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
- $2.49 |29% OFF Phone Price : $3.49
- $2.49 |29% OFF Phone Price : $3.49
Symptoms for gas pressure washers
Choose a symptom to see related pressure washer repairs.
Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…
Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…
Main causes: broken recoil spring, damaged recoil starter…
Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…
Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…
Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…
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: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…
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 check valve kit
Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…
Repair difficulty
Time required
120 minutes or less

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 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
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.

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

Learn about the main parts of a lawn mower and when to replace parts.…