Lawn & Garden Engine

Model # 170-SU Official MTD engine

Here are the diagrams and repair parts for Official MTD 170-SU engine, as well as links to manuals and error code tables, if available.

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170-SU Engine
Lawn & Garden Equipment Engine Spark Plug 951-10292
#18

Cylinder head diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

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Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
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$5.47
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Lawn & Garden Equipment Engine Carburetor Gasket 951-11569A
#29

Carburetor diagram

Lawn & garden equipment engine carburetor gasket

Part #951-11569A

Replaced by #751P12005A

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Manufacturer substitution
This part replaces 951-11569A. Substitute parts can look different from the original.
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$7.53
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Lawn & Garden Equipment Engine Carburetor Gasket 951-11567
#27

Carburetor diagram

Lawn & garden equipment engine carburetor gasket

Part #951-11567

Replaced by #751P11567B

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Manufacturer substitution
This part replaces 951-11567. Substitute parts can look different from the original.
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$3.07
25% OFF Phone Price : $4.07
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11589
#S

Carburetor diagram

Lawn & garden equipment engine carburetor float bowl gasket

Part #951-11589

Replaced by #951-11589A

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Manufacturer substitution
This part replaces 951-11589. Substitute parts can look different from the original.
BEST SELLER
$9.59
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Carburetor Gasket 951-11897
#32

Carburetor diagram

Lawn & garden equipment engine carburetor gasket

Part #951-11897

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$6.20
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Craftsman Lawn & Garden Equipment Engine Huayi 170s & 170sa Carburetor (replaces 751-14026a, 951-10638a) 951-14026A
#31

Carburetor diagram

Craftsman lawn & garden equipment engine huayi 170s & 170sa carburetor (replaces 751-14026a, 951-10638a)

Part #951-14026A

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$96.24
11% OFF Phone Price : $108.24
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Lawn & Garden Equipment Engine Fuel Tank Cap (replaces 951-10649a, 951-12532) 951-12533
#113

Fuel tank & mounting diagram

Lawn & garden equipment engine fuel tank cap (replaces 951-10649a, 951-12532)

Part #951-12533

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
#39

Engine shroud 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
Mtd Lawn & Garden Equipment Fuel Line Kit (replaces 751-10650, 951-10795) 951-10650
#103

Fuel tank & mounting diagram

Mtd lawn & garden equipment fuel line kit (replaces 751-10650, 951-10795)

Part #951-10650

$37.41
14% OFF Phone Price : $43.41
In Stock
Snowblower Gasket Kit (replaces 751-10661b, 951-10661a) 951-10661B
Snowblower gasket kit (replaces 751-10661b, 951-10661a)

Part #951-10661B

$38.66
13% OFF Phone Price : $44.66
In Stock

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

Main causes: faulty brine valve assembly, bad rotor valve…

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

Main causes: lack of electrical power, bad power transformer, faulty timer…

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

Repair guides for water softeners

These step-by-step repair guides will help you safely fix what’s broken on your water softener.

How to replace a water softener valve motor

How to replace a water softener valve motor

The valve motor rotates the valve rotor to operate the water softener. If the water softener valve motor fails, follow t…

Repair difficulty
Time required
 30 minutes or less
How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Repair difficulty
Time required
 30 minutes or less

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Use the advice and tips in these articles and videos to get the most out of your water softener.

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