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

Open Hamburger Menu
Sears Parts Direct
Please enter one or more characters
Scan Icon
Tips to find your model number
Water filters
Water filter finder tool
DIY help
Featured products
Top brands
View all parts by brand
Top products and services
Products by brand
Orders
Customer Service
Schedule a repair

MTD 478-SUA engine Parts

Here are the diagrams and repair parts for MTD 478-SUA engine, as well as links to manuals and error code tables, if available.

MTD 478-SUA engine
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 478-SUA Engine

  • Arm Assembly for MTD 478-SUA - Part 951-14200

    Fuel tank & mounting diagram

    Governor Arm Bracket

    Part #951-11231

    Replaced by #951-14200

    Info Icon
    Manufacturer substitution
    This part replaces 951-11231. Substitute parts can look different from the original.
    In Stock
    $58.65
    Minus Item
    Qty
    Plus Item
  • Gasket-muffl for MTD 478-SUA - Part 951-11212A

    Cylinder head diagram

    Snowblower Muffler Gasket

    Part #951-11212

    Replaced by #951-11212A

    Info Icon
    Manufacturer substitution
    This part replaces 951-11212. Substitute parts can look different from the original.
    In Stock
    $32.37
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Exhaust Valve Retainer for MTD 478-SUA - Part 951-12269

    Cylinder head diagram

    Cap

    Part #951-12081

    Replaced by #951-12269

    Info Icon
    Manufacturer substitution
    This part replaces 951-12081. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $11.43
    15% OFF Phone Price : $13.43Info Icon
    Minus Item
    Qty
    Plus Item
  • Pin-dowel 9 for MTD 478-SUA - Part 715-04096A

    Crankcase diagram

    Dowel Pin

    Part #715-04092

    Replaced by #715-04096A

    Info Icon
    Manufacturer substitution
    This part replaces 715-04092. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.66
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Fuel Tank Cap for MTD 478-SUA - Part 951-12533

    Fuel tank & mounting diagram

    Fuel Cap

    Part #951-12532

    Replaced by #951-12533

    Info Icon
    Manufacturer substitution
    This part replaces 951-12532. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $37.90
    14% OFF Phone Price : $43.90Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Ignition Coil for MTD 478-SUA - Part 951-11197A

    Starting system & blower housing diagram

    Lawn & Garden Equipment Engine Ignition Coil

    Part #951-11197

    Replaced by #951-11197A

    Info Icon
    Manufacturer substitution
    This part replaces 951-11197. Substitute parts can look different from the original.
    In Stock
    $108.16
    Minus Item
    Qty
    Plus Item
  • Valve Spring for MTD 478-SUA - Part 951-12077A

    Cylinder head diagram

    Retainer

    Part #951-12077

    Replaced by #951-12077A

    Info Icon
    Manufacturer substitution
    This part replaces 951-12077. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.04
    12% OFF Phone Price : $8.04Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Huayi 178s And 178sa/hy-178la Carburetor Kit for MTD 478-SUA - Part 951-12762A

    Carburetor diagram

    Snowblower Carburetor Kit

    Part #951-11219

    Replaced by #951-12762A

    Info Icon
    Manufacturer substitution
    This part replaces 951-11219. Substitute parts can look different from the original.
    In Stock
    $74.70
    7% OFF Phone Price : $80.70Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Rocker Arm for MTD 478-SUA - Part 951-11981A

    Cylinder head diagram

    Lawn & Garden Equipment Engine Rocker Arm

    Part #951-11981

    Replaced by #951-11981A

    Info Icon
    Manufacturer substitution
    This part replaces 951-11981. Substitute parts can look different from the original.
    In Stock
    $95.39
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Engine Fuel Line Clamp for MTD 478-SUA - Part 951-11700A

    Fuel tank & mounting diagram

    Lawn & Garden Equipment Engine Fuel Line Clamp

    Part #951-11700

    Replaced by #951-11700A

    Info Icon
    Manufacturer substitution
    This part replaces 951-11700. Substitute parts can look different from the original.
    In Stock
    $35.41
    Minus Item
    Qty
    Plus Item

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Mtd Snowblower Electric Start Decal 777I22992

Mtd Snowblower Electric Start Decal

Part #777I22992
This item is not returnable
In Stock
$6.66
Minus Item
Qty
Plus Item
Mtd Snowblower Engine Cooling Fan 951-11217

Mtd Snowblower Engine Cooling Fan

Part #951-11217
In Stock
$64.96
Minus Item
Qty
Plus Item
Lawn Mower Service Kit 951-11971A

Lawn Mower Service Kit

Part #951-11971A
In Stock
$44.80
Minus Item
Qty
Plus Item

Repair guides for bottom-mount refrigerators

How to replace an electronic control board on the back of a refrigerator

How to replace an electronic control board on the back of a refrigerator

If your refrigerator isn't running, an electronic control board failure could be the problem. A service technician can d…

Read more

Repair time and Difficulty

 15 minutes or less
How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Read more

Repair time and Difficulty

 15 minutes or less
How to replace an in-door ice maker on a French door refrigerator

How to replace an in-door ice maker on a French door refrigerator

Follow these step-by-step instructions how to replace the in-door ice maker in Kenmore TRIO and LG French door refrigera…

Read more

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

View all
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.…

Read more
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.…

Read more

Parts & More

Electric Range
Shop Whirlpool WFE364LVQ0 electric range parts
Front-Engine Lawn Tractor
Shop Craftsman 917274352 front-engine lawn tractor parts
Gas Line Trimmer
Shop Homelite ST-155 gas line trimmer parts
Parts
PACKING CA DJ69-00119GDryer Drum Front Cover DC97-15984B partsBezel 045T048P02Refrigerator Flipper Assembly DA97-07244J partsRefrigerator Water Inlet Valve 5221JB2006K partsHeat Sink AH81-03241AMark 87126-758-010Pressure Washer Unloader Valve Kit 706610 partsBreather Hose 66-326-33-SBolt 5025553YPLawn & Garden Equipment Screw 530015805 parts
Table Saw
Shop Craftsman 315218291 table saw parts
Top-Mount Refrigerator
Shop Kenmore Elite 10674203402 top-mount refrigerator partsShop Frigidaire FFTR1821QW9B top-mount refrigerator partsShop Kenmore 2536482340E top-mount refrigerator parts
Washer
Shop Frigidaire FWT445GES1 washer parts
Wet/Dry Vacuum
Shop Craftsman 113179840 wet/dry vacuum parts