Lawn & Garden Engine

Model # 478-SUA Official MTD engine

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

By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for
478-SUA Engine
Lawn & Garden Equipment Engine Spark Plug 951-10292
#107

Cylinder head diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

?
Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.47
15% OFF Phone Price : $6.47
Back Order
Mtd Lawn & Garden Equipment Engine Fuel Filter (replaces 751-10651) 951-10651

#NI07

All parts diagram

Mtd lawn & garden equipment engine fuel filter (replaces 751-10651)

Part #951-10651

$21.49
22% OFF Phone Price : $27.49
In Stock
Fuel Cap 951-12532
#16

Fuel tank & mounting diagram

Fuel cap

Part #951-12532

Replaced by #951-12533

?
Manufacturer substitution
This part replaces 951-12532. Substitute parts can look different from the original.
This item is not returnable
$32.00
16% OFF Phone Price : $38.00
In Stock
Snowblower Ignition Switch (replaces 751-10637, 925-04031a) 951-10637
#6

Muffler & controls diagram

Snowblower ignition switch (replaces 751-10637, 925-04031a)

Part #951-10637

This item is not returnable
$18.67
10% OFF Phone Price : $20.67
In Stock
Snowblower Carburetor Assembly 951-11193A
#132

Carburetor diagram

Snowblower carburetor assembly

Part #951-11193A

Replaced by #951-14024A

?
Manufacturer substitution
This part replaces 951-11193A. Substitute parts can look different from the original.
$98.29
11% OFF Phone Price : $110.29
In Stock
Craftsman Snowblower Recoil Starter Assembly (replaces 751-11208) 951-11208
#96

Starting system & blower housing diagram

Craftsman snowblower recoil starter assembly (replaces 751-11208)

Part #951-11208

$88.72
6% OFF Phone Price : $94.72
In Stock
Snowblower Engine Oil Drain Pipe And Cap (replaces 751-10641) 951-10641
#140

Crankcase diagram

Snowblower engine oil drain pipe and cap (replaces 751-10641)

Part #951-10641

This item is not returnable
$19.90
9% OFF Phone Price : $21.90
In Stock
Lawn & Garden Equipment Engine Fuel Bowl Mounting Bolt 710-04945
#W

Carburetor diagram

Lawn & garden equipment engine fuel bowl mounting bolt

Part #710-04945

This item is not returnable
$6.46
13% OFF Phone Price : $7.46
In Stock
Lawn & Garden Equipment Engine Flywheel Key 951-10307
#56

Crankcase diagram

Lawn & garden equipment engine flywheel key

Part #951-10307

Replaced by #751P10307A

?
Manufacturer substitution
This part replaces 951-10307. Substitute parts can look different from the original.
This item is not returnable
$3.22
24% OFF Phone Price : $4.22
In Stock
Nut 712-04212
Nut

Part #712-04212

Replaced by #712-05015

?
Manufacturer substitution
This part replaces 712-04212. Substitute parts can look different from the original.
This item is not returnable
$10.14
16% OFF Phone Price : $12.14
In Stock

Symptoms for electric ranges

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Repair guides for electric ranges

How to replace a range radiant surface element

How to replace a range radiant surface element

If the element on your glass cooktop isn't heating up even though it gets power, replace it yourself, in about 45 minute…

Repair difficulty
Time required
 45 minutes or less
How to replace an electric range oven control board

How to replace an electric range oven control board

If the electronic oven control board isn't powering the bake and broil functions, you can replace it in less than half a…

Repair difficulty
Time required
 15 minutes or less
How to replace a range coil surface element

How to replace a range coil surface element

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Repair difficulty
Time required
 15 minutes or less

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

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.…