Briggs & Stratton
Lawn & Garden Engine

Model # 12S505-1101-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 12S505-1101-B1 engine, as well as links to manuals and error code tables, if available.

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Showing 10 of 159 parts  |

Lawn & Garden Equipment Engine Carburetor Primer Bulb (replaces 496115, Bs-694395) 694395

#976

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

Part #694395

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Lawn & Garden Equipment Engine Recoil Starter Rope (replaces 692259) 697316

#58

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Lawn & garden equipment engine recoil starter rope (replaces 692259)

Part #697316

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Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766

#187

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Lawn & garden equipment engine fuel line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499)

Part #791766

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Lawn & Garden Equipment Engine Air Filter (replaces 392672, 393365, 49245, 690610, Bs-697029) 697029

#445

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Lawn & garden equipment engine air filter (replaces 392672, 393365, 49245, 690610, bs-697029)

Part #697029

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Lawn & Garden Equipment Engine Ignition Coil 802574

#333

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Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

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This part replaces 802574. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Spark Plug 692051

#337

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Lawn & garden equipment engine spark plug

Part #692051

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Cap 793606

#957

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Cap

Part #793606

Replaced by #692046

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This part replaces 793606. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Flywheel Key (replaces 222698, 690974, Bs-222698s) 222698S

#24

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Lawn & garden equipment engine flywheel key (replaces 222698, 690974, bs-222698s)

Part #222698S

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Grip-str Rpe 281434

#60

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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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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket (replaces 280492) 693981

#137

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Lawn & garden equipment engine carburetor float bowl gasket (replaces 280492)

Part #693981

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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower drive cable

How to replace a lawn mower drive cable

The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower starter rope

How to replace a lawn mower starter rope

These step-by-step instructions show how to replace a broken starter pull rope on a walk-behind lawn mower.…

Repair difficulty
Time required
 30 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 walk-behind lawn mower.

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.…