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139-665-000 (1989) MTD Lawn Tractor - Overview
_WW_1.gif "Page A Diagram and Parts List for 1989 MTD Lawn Tractor")
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$10.54
In Stock
Lawn Mower Brake Puck
Part #917-0678
When the brakes are applied, this brake puck presses against the brake disc in your lawn equipment to help slow down or stop it. The brake puck is in the brake assembly, which might be located near the transmission or the wheels of your machine. If you notice that the machine takes longer to stop or that there is a loud scraping or grindi...Read moreng noise when you push down on the brake, your brake puck may have worn out. If it is not replaced, you risk losing braking power, which leads to equipment damage or accidents. Before any repairs, make sure that your machine is turned off and that the spark plug is disconnected. To dissemble the brake assembly and access the brake puck, use pliers or a wrench to remove any bolts or clips holding it in place. With a screwdriver, pry the brake puck out of your machine. Since this genuine OEM part is sold individually, determine the number of pucks your machine needs by consulting your user manual.
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$49.44
In Stock
Lawn Mower Grease Benalene (8 Oz)
Part #737-0300A
This 8-oz multi-purpose grease is an OEM replacement lubricant formulated for use in gear cases, transmissions, and chain cases on outdoor power equipment. It helps reduce friction and wear in high-load moving parts, supporting smooth operation and extending component life. Supplied in a convenient tube for easy application, it is an idea...Read morel choice for routine maintenance when servicing gearboxes, transaxles, or drive components that require consistent, heavy-duty lubrication.
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$6.83
In Stock
Key-hi-pro
Part #914-0161
This authentic OEM hi-pro key, also called a woodruff key or key stock, is a metal component found in your lawn equipment that connects rotating parts. It is 3/16 inch wide and 5/8 inch long. It fits into a specially-shaped slot on a shaft and prevents the parts from moving or slipping out of position while your machine is running. To fin...Read mored and replace a hi-pro key on your machine, check your user guide for instructions. When removing the hi-pro key, insert a flathead screwdriver or needle-nose pliers into its groove and pry it out of its slot. Please bear in mind that this hi-pro key is sold individually.
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$6.73
In Stock
Washer-fl-.760id X
Part #736-0188
It is a genuine item that is supplied by the original manufacturer for use with a variety of lawn and garden equipment. A washer is a special part which helps to provide a tight fit between connected components. It is a standard hardware which may have multiple applications. This part provides an identical replacement for a damaged or a m...Read moreissing hardware that was installed on a new unit. Check the diagrams for your specific model for the exact location and the correct application of this flat washer. Note, it is made of durable metal and is sold individually.
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$25.90
In Stock
Bearing-needle
Part #941-0335
This item is an original part from MTD, Ryobi, Yard Machines, Bolens, Yard Man, and Troy-Bilt for use in lawn tractors. The needle bearing attaches to the input shaft. You may need a wrench and a set of pliers when replacing this part. This item might break over time and will need replacing. It is made of metal and is sold individually.
$7.04
In Stock
Pin-cotter-3/32 Di
Part #914-0507
$6.98
In Stock
Lawn Mower Flat Washer 5/8 X 1.0 X.030
Part #936-0336
The flat washer goes between the drive shaft and the flange bearing. It is an authentic OEM sourced item which is specially produced for use with lawn tractors and tillers made by MTD, Ryobi, Yard Machines, Troy-Bilt, Bolens, Yard Man, and Cub Cadet. This item is made of metal and is available as an individual replacement part. A wrench a...Read morend a set of pliers may be helpful when replacing this part. This washer may become broken and will need to be replaced.
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$9.79
Special Order
TT-Scr., 1/4-20 x 1.250
Part #710-0809
$15.79
In Stock
$14.72
In Stock
Bearing-flange
Part #941-0337
It is an authentic manufacturer-sourced component which is specially designed for use with riding lawn mowers and garden tractors. The purpose of this flange bushing is to provide a tight fit between connected parts. If the original item is damaged or is missing, this will provide an identical replacement. This part is made of high-qualit...Read morey metal and is sold individually. Check the owners manual and the diagrams for your model to ensure the correct replacement procedure. A wrench set will be needed to perform this repair.
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No Longer Available
Ball Detent .250
Part #741-0862
The ball goes next to the compression spring. This is an authentic replacement part that is sourced from the original manufacturer for use with lawn tractors and tillers made by Ryobi, Yard Machines, MTD, Bolens, Yard Man, Troy-Bilt, and Cub Cadet. It is made of metal and is sold individually. A set of pliers may be needed during the repl...Read moreacement of this part. It is a small part and will require replacing if it becomes lost.
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$6.55
Special Order
Detent Shaft Spring
Part #932-05125
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