Briggs & Stratton
Lawn & Garden Engine

Model # 8A-HF Official Briggs & Stratton gas engine

Here are the diagrams and repair parts for Official Briggs & Stratton 8A-HF gas 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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ALL PARTS
Showing 10 of 242 parts  |

Plug Oil Fil 66768

#66768

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Plug oil fil

Part #66768

Replaced by #281658S

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Manufacturer substitution
This part replaces 66768. Substitute parts can look different from the original.
This item is not returnable
$5.79
15% OFF Phone Price : $6.79
In Stock
Sprng-ex Vlv 26478

#26478

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Sprng-ex vlv

Part #26478

Replaced by #692180

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Manufacturer substitution
This part replaces 26478. Substitute parts can look different from the original.
In Stock
Base 290584

#290584

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Base

Part #290584

Replaced by #691028

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Manufacturer substitution
This part replaces 290584. Substitute parts can look different from the original.
In Stock
Part 23663

#23663

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Part

Part #23663

Replaced by #296676

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Manufacturer substitution
This part replaces 23663. Substitute parts can look different from the original.
In Stock
Gskt Cyl Hd 291301

#291301

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Gskt cyl hd

Part #291301

Replaced by #27463

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Manufacturer substitution
This part replaces 291301. Substitute parts can look different from the original.
$18.89
10% OFF Phone Price : $20.89
In Stock
Clutch Str 293578

#293578

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Clutch str

Part #293578

Replaced by #399671

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Manufacturer substitution
This part replaces 293578. Substitute parts can look different from the original.
$40.49
13% OFF Phone Price : $46.49
In Stock
Retainer-vlv 23184

#23184

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Retainer-vlv

Part #23184

Replaced by #691760

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Manufacturer substitution
This part replaces 23184. Substitute parts can look different from the original.
$10.16
16% OFF Phone Price : $12.16
In Stock
Plain Washer 66432

#66432

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Plain washer

Part #66432

Replaced by #691607

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Manufacturer substitution
This part replaces 66432. Substitute parts can look different from the original.
In Stock
Throtle Carb 210571

#210571

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Throtle carb

Part #210571

Replaced by #210571

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Manufacturer substitution
This part replaces 210571. Substitute parts can look different from the original.
In Stock
Locknut Csng 63426

#63426

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Locknut csng

Part #63426

Replaced by #691027

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Manufacturer substitution
This part replaces 63426. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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 blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.…