Lawn & Garden Engine

Model # 121602-0190 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121602-0190 engine, as well as links to manuals and error code tables, if available.

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121602-0190 Engine
Carburetor Primer 496115
#976

Air cleaner diagram

Carburetor primer

Part #496115

Replaced by #694395

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Manufacturer substitution
This part replaces 496115. Substitute parts can look different from the original.
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Fuel Filter (red) 298090
#240

Fuel tank diagram

Fuel filter (red)

Part #298090

Replaced by #298090S

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Manufacturer substitution
This part replaces 298090. Substitute parts can look different from the original.
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$5.31
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Filter-a/c C 690610
#445

Air cleaner diagram

Filter-a/c c

Part #690610

Replaced by #697029

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Manufacturer substitution
This part replaces 690610. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Ignition Coil 802574
#333

Armature diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

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Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Pulley (replaces 263074, 281504, Bs-498144) 498144
#56

Rewind starter diagram

Lawn & garden equipment engine recoil starter pulley (replaces 263074, 281504, bs-498144)

Part #498144

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Fuel Tank Assembly 499618
#972

Fuel tank diagram

Fuel tank assembly

Part #499618

Replaced by #699374

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Manufacturer substitution
This part replaces 499618. Substitute parts can look different from the original.
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$61.39
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Key 222698
#24

Crankshaft/dipstick diagram

Key

Part #222698

Replaced by #222698S

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Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
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$3.29
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Air Filter 273356
#967

Air cleaner diagram

Air filter

Part #273356

Replaced by #273356S

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Manufacturer substitution
This part replaces 273356. Substitute parts can look different from the original.
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$9.51
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Grip-str Rpe 281434
#60

Rewind starter diagram

Grip-str rpe

Part #281434

Replaced by #281434S

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This part replaces 281434. Substitute parts can look different from the original.
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Carb Kit 121 499685
#121A

Gasket set diagram

Carb kit 121

Part #499685

Replaced by #792383

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Manufacturer substitution
This part replaces 499685. Substitute parts can look different from the original.
$29.37
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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

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

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

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.

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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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