Easy
15-30 minutes
This authentic item is supplied by the original equipment manufacturer for riding lawn mowers and garden tractors. It is an identical replacement for a missing or a worn spindle assembly that was installed on a new unit, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this assembly. This high-quality assembly is made of durable metal and is sold individually, note it includes the mandrel, the shaft, and the pulley. Keep in mind the hardware to secure it is sold separately.
Spdl Asm:pul:5.4 Dia 918-06991
OEM part for: MTD, Troy-Bilt, Yard Machines, Husky, Murray
Part Number: 918-06991
$104.81
In Stock
Ships within 1 business day 
Jump To:
Frequently Purchased Together ?
Compatibility
This Spdl Asm:pul:5.4 Dia will fit the following 88 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
MTD
Troy-Bilt
Yard Machines
Husky
Murray
Show More Compatible ModelsThis item works with the following types of products:
- Lawn Tractor Parts
Customer Part Reviews ?
Average Rating (out of 5):
Click to filter by ratings:
5 stars
4
4 stars
2
3 stars
0
2 stars
0
1 stars
1
< PREV
- 1
Easy,fast and the right part!!
Thank you for the right part the first time!
Guest -
February 23, 2023
Verified Purchase
Easy repair
Arrived quickly no problem with installing
Guest -
May 7, 2022
Verified Purchase
The spindles that I ordered fit perfectly and my mower is working like new, THANKS
Great working with You
Guest -
October 29, 2021
Verified Purchase
Perfect match. OEM quality
Perfect match and OEM quality. Very pleased all the way around.
Robert -
April 20, 2021
Verified Purchase
Great part, original part numbers
Brand new part, fit perfectly. Did take over a month to arrive at my location, but my tractor mows perfect now!
Guest -
September 16, 2021
Verified Purchase
Worked ad expected
Work like supposed to
Duane -
July 18, 2019
Verified Purchase
incomplete part
This spindle bolts to the deck. The holes on the spindle that the bolts screw into had no threads in them. No way to attach it to the deck.
Guest -
August 22, 2019
Verified Purchase
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Spdl Asm:pul:5.4 Dia
I SEE THE REPLACEMENT SPINDLES ARE NOT THREADED. WHY? AND HOW WOULD A DIY GET THEM THREADED? WHY SELL PARTS THAT ARE NOT PROPERLY MADE?
Frank
for model number 13WM77KS011
asked on 2022-09-02
Hello Frank, Thank you for the question. Troy-Bilt has made updates tot he Spindles and they no longer make then threaded. They suggest using the Self Tapping Screws to thread the Spindles when installing. For more specialized assistance or to speak with someone about this, we would suggest calling the manufacturer of the appliance directly. We hope this helps!
eReplacementParts Team September 02, 2022
My mower deck has 2 spindles that the blade attaches to. Are both spindles identicle and the same part number?
Jack
for model number 13WV78KS011
asked on 2022-04-03
Hello Jack, Thank you for your inquiry. We have researched the model number you have provided show show both spindle pulley assemblies to be the same part# 91806991. We hope this helps and if you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team April 03, 2022
Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Spindle housing/ shaft worn causing blade to cut unlevel- 4 seasons of use.
Gregory - July 12, 2023
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, FRONT END LOADER, 1/4\\
Parts Used
Preparation: Drain fuel tank, disconnect and remove battery (positive wire first).
1. Hoist lawn tractor from front axles with small chain, with rear wheels just touching ground.
2. With Ryobi Impact driver and 15/16" Impact Socket remove Blade Nut.
3. With appropriate socket wrench remove spindle shroud (1/4-20 bolts- 3ea).
. Disengage Mower Drive Belt clutch and remove mower drive from spindle pulley.
4. With Ryobi Impact driver and 1/2" Impact Socket remove (4) 3/8"-18 x 2/4" Spindle mount bolts.
5. Clean all removed hardware and lightly grease all hardware for reinstallation. Replace any hardware that is unserviceable.
6. Clean deck where spindle is mounted. I used a pressure washer.
7. Reinstall new spindle, drive belt, drive belt shroud, and blade.
8. Lower lawn tractor slowly being careful not to get in the way.
9. Perform Tool inventory and reinspect all mechanisms for function and obstructions.
10. Refill gas tank.
11. Start Lawn Tractor.
12. Engage lawn mower deck, perform test cut. End.
1. Hoist lawn tractor from front axles with small chain, with rear wheels just touching ground.
2. With Ryobi Impact driver and 15/16" Impact Socket remove Blade Nut.
3. With appropriate socket wrench remove spindle shroud (1/4-20 bolts- 3ea).
. Disengage Mower Drive Belt clutch and remove mower drive from spindle pulley.
4. With Ryobi Impact driver and 1/2" Impact Socket remove (4) 3/8"-18 x 2/4" Spindle mount bolts.
5. Clean all removed hardware and lightly grease all hardware for reinstallation. Replace any hardware that is unserviceable.
6. Clean deck where spindle is mounted. I used a pressure washer.
7. Reinstall new spindle, drive belt, drive belt shroud, and blade.
8. Lower lawn tractor slowly being careful not to get in the way.
9. Perform Tool inventory and reinspect all mechanisms for function and obstructions.
10. Refill gas tank.
11. Start Lawn Tractor.
12. Engage lawn mower deck, perform test cut. End.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
