Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Onan BF-MS2379B engine Parts

Here are the diagrams and repair parts for Onan BF-MS2379B engine, as well as links to manuals and error code tables, if available.

Onan BF-MS2379B engine
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for BF-MS2379B Engine

  • Flywheel for Onan BF-MS2379B - Part 134-2432

    Crankshaft, flywheel, camshaft and piston group diagram

    Flywheel

    Part #134-2432

    The manufacturer no longer makes this part, and there's no substitute part

  • Nut for Onan BF-MS2379B - Part 865-0019

    Fuel system group diagram

    Nut

    Part #865-0019

    The manufacturer no longer makes this part, and there's no substitute part

  • (not Sold Separately) for Onan BF-MS2379B - Part N/P

    (not Sold Separately)

    Part #N/P

    The manufacturer no longer makes this part, and there's no substitute part

  • Cup for Onan BF-MS2379B - Part 150-0612

    Crankshaft, flywheel, camshaft and piston group diagram

    Cup

    Part #150-0612

    The manufacturer no longer makes this part, and there's no substitute part

  • Crankshaft for Onan BF-MS2379B - Part 104-0763

    Crankshaft, flywheel, camshaft and piston group diagram

    Crankshaft

    Part #104-0763

    The manufacturer no longer makes this part, and there's no substitute part

  • Plate for Onan BF-MS2379B - Part 142-0552

    Carburetor parts group diagram

    Plate

    Part #142-0552

    The manufacturer no longer makes this part, and there's no substitute part

  • Piston Pin for Onan BF-MS2379B - Part 112-0123-40

    Crankshaft, flywheel, camshaft and piston group diagram

    Piston Pin

    Part #112-0123-40

    The manufacturer no longer makes this part, and there's no substitute part

  • Screw for Onan BF-MS2379B - Part 142-0064

    Carburetor parts group diagram

    Screw

    Part #142-0064

    The manufacturer no longer makes this part, and there's no substitute part

  • Bearing for Onan BF-MS2379B - Part 101-0420

    Cylinder block group diagram

    Bearing

    Part #101-0420

    The manufacturer no longer makes this part, and there's no substitute part

  • Spring for Onan BF-MS2379B - Part 142-0035

    Governor, starter, charging alternator & blower housing grp. diagram

    Spring

    Part #142-0035

    The manufacturer no longer makes this part, and there's no substitute part

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

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

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

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 front deck tray

How to replace a lawn mower front deck tray

Learn how to replace the front deck tray on your lawn mower if it's cracked or damaged.…

Repair time and Difficulty

 60 minutes or less
How to replace a lawn mower transmission

How to replace a lawn mower transmission

Learn how to replace the transmission on your lawn mower if it's locked up or won't drive the wheels.…

Repair time and Difficulty

 60 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 time and Difficulty

 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.…

Parts & More

Automotive
Boiler
Bottom-Mount Refrigerator
Chest Freezer
Downdraft Ventilation System
Dryer
Electric Leaf Blower
Electric Range
Electric Wall Oven
Gas Grill
Gas Range
Gas Walk-Behind Mower
Gas Water Heater
Laundry Center
Receiver
Side-By-Side Refrigerator
Top-Mount Refrigerator
Washer