Briggs & Stratton
Lawn & Garden Engine

Model # 123K02-0315-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 123K02-0315-E1 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 143 parts  |

Lawn & Garden Equipment Engine Air Filter 491588

#445

All parts diagram

Lawn & garden equipment engine air filter

Part #491588

Replaced by #491588S

?
Manufacturer substitution
This part replaces 491588. Substitute parts can look different from the original.
BEST SELLER

Get free shipping with Automatic Reorder

$8.96
10% OFF Phone Price : $9.96
In Stock
Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 496115, Bs-694395) 694395

#976

All parts diagram

Lawn & garden equipment engine carburetor primer bulb (replaces 496115, bs-694395)

Part #694395

BEST SELLER
This item is not returnable
$5.14
16% OFF Phone Price : $6.14
In Stock
Lawn & Garden Equipment Engine Carburetor Rebuild Kit (replaces 493762, 498261) 498260

#121

All parts diagram

Lawn & garden equipment engine carburetor rebuild kit (replaces 493762, 498261)

Part #498260

BEST SELLER
$25.27
19% OFF Phone Price : $31.27
In Stock
Gasket Set-c 498261

#977

All parts diagram

Gasket set-c

Part #498261

Replaced by #498260

?
Manufacturer substitution
This part replaces 498261. Substitute parts can look different from the original.
BEST SELLER
$25.27
19% OFF Phone Price : $31.27
In Stock
Starter Rope 692259

#58

All parts diagram

Starter rope

Part #692259

Replaced by #697316

?
Manufacturer substitution
This part replaces 692259. Substitute parts can look different from the original.
BEST SELLER
$7.31
12% OFF Phone Price : $8.31
In Stock
Fuel Line (red) 691050

#187

All parts diagram

Fuel line (red)

Part #691050

Replaced by #791766

?
Manufacturer substitution
This part replaces 691050. Substitute parts can look different from the original.
BEST SELLER
$9.30
10% OFF Phone Price : $10.30
In Stock
Air Cleaner Gasket 272653

#163

All parts diagram

Air cleaner gasket

Part #272653

Replaced by #795629

?
Manufacturer substitution
This part replaces 272653. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$4.51
18% OFF Phone Price : $5.51
In Stock
Lawn & Garden Equipment Engine Ignition Coil 802574

#333

All parts diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

?
Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
BEST SELLER
$55.39
10% OFF Phone Price : $61.39
In Stock
Lawn & Garden Equipment Engine Fuel Tank (replaces 693377, Bs-699374) 699374

#972

All parts diagram

Lawn & garden equipment engine fuel tank (replaces 693377, bs-699374)

Part #699374

BEST SELLER
$57.91
9% OFF Phone Price : $63.91
In Stock
Key 222698

#24

All parts diagram

Key

Part #222698

Replaced by #222698S

?
Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.29
23% OFF Phone Price : $4.29
In Stock

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.

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

What are the main components of a lawn mower?

What are the main components of a lawn mower?

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