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

Cub Cadet 12B-999I100 gas lawn mower Parts

Here are the diagrams and repair parts for Cub Cadet 12B-999I100 gas lawn mower, as well as links to manuals and error code tables, if available.

Cub Cadet 12B-999I100 gas lawn mower
By Schematic
By Part
SELECT DIAGRAM
?

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

Browse Parts for 12B-999I100 Walk-Behind Mowers

  • Flange Spacer for Cub Cadet 12B-999I100 - Part 750-1050

    Transmission assembly diagram

    Flange Spacer

    Part #750-1050
    This item is not returnable
    In Stock
    $9.57
    Minus Item
    Qty
    Plus Item
  • Hex Jam Nut for Cub Cadet 12B-999I100 - Part 712-3025

    Transmission assembly diagram

    Hex Jam Nut

    Part #712-3025
    In Stock
    $34.68
    Minus Item
    Qty
    Plus Item
  • Mtd Lawn Mower Roller Wheel for Cub Cadet 12B-999I100 - Part 756-0625

    Multi-speed pulley assembly diagram

    Mtd Lawn Mower Roller Wheel

    Part #756-0625
    This item is not returnable
    In Stock
    $14.63
    12% OFF Phone Price : $16.63Info Icon
    Minus Item
    Qty
    Plus Item
  • Ace Lawn & Garden Equipment Flange Lock Nut for Cub Cadet 12B-999I100 - Part 712-3004A

    Deck/chute diagram

    Ace Lawn & Garden Equipment Flange Lock Nut

    Part #712-3004A
    This item is not returnable
    In Stock
    $5.98
    14% OFF Phone Price : $6.98Info Icon
    Minus Item
    Qty
    Plus Item
  • Mtd Lawn & Garden Equipment Carriage Bolt for Cub Cadet 12B-999I100 - Part 710-0703

    Mtd Lawn & Garden Equipment Carriage Bolt

    Part #710-0703
    In Stock
    $7.85
    11% OFF Phone Price : $8.85Info Icon
    Minus Item
    Qty
    Plus Item
  • Mtd Lawn Tractor Deck Roller Spacer Bearing for Cub Cadet 12B-999I100 - Part 950-0151

    Deck/chute diagram

    Spacer

    Part #750-0151

    Replaced by #950-0151

    Info Icon
    Manufacturer substitution
    This part replaces 750-0151. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $16.15
    11% OFF Phone Price : $18.15Info Icon
    Minus Item
    Qty
    Plus Item
  • Yard-man Lawn & Garden Equipment Screw for Cub Cadet 12B-999I100 - Part 738-0924A

    Multi-speed pulley assembly diagram

    Hex Screw

    Part #738-0924

    Replaced by #738-0924A

    Info Icon
    Manufacturer substitution
    This part replaces 738-0924. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $12.40
    14% OFF Phone Price : $14.40Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Caster Wheel Axle for Cub Cadet 12B-999I100 - Part 911-1146

    Deck/chute diagram

    Caster Axle

    Part #711-1146

    Replaced by #911-1146

    Info Icon
    Manufacturer substitution
    This part replaces 711-1146. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $24.17
    20% OFF Phone Price : $30.17Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Axle Assembly, Right Rear for Cub Cadet 12B-999I100 - Part 938-0012A

    Deck/chute diagram

    Axle Assembly

    Part #638-0012

    Replaced by #938-0012A

    Info Icon
    Manufacturer substitution
    This part replaces 638-0012. Substitute parts can look different from the original.
    In Stock
    $90.05
    6% OFF Phone Price : $96.05Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Mower Ratchet Wheel for Cub Cadet 12B-999I100 - Part 948-0318

    Deck/chute diagram

    Ratchet

    Part #748-0318

    Replaced by #948-0318

    Info Icon
    Manufacturer substitution
    This part replaces 748-0318. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $19.91
    9% OFF Phone Price : $21.91Info Icon
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your walk-behind mowers

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

View all

Why does my lawn mower vibrate a lot?

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

Read more

Why does my lawn mower stall?

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

Read more

Why won't my lawn mower move?

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

Read more

Why won't my lawn mower start?

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

Read more

Why does my lawn mower run rough?

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

Read more

Why does my lawn mower cut unevenly?

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

Read more

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.

View all
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.…

Read more

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.…

Read more

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…

Read more

Repair time and Difficulty

 45 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

View all
The best time of day to mow grass (and when you should absolutely not)

The best time of day to mow grass (and when you should absolutely not)

Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…

Read more
Top 10 electric lawn and garden tools

Top 10 electric lawn and garden tools

Learn about the top 10 must-have electric lawn & garden tools for 2023…

Read more
Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…

Read more