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8982851-1-M-Murray-492574MA-Lawn Tractor Mandrel Housing
Part Location Diagram of 492574MA Murray Lawn Tractor Mandrel Housing
See part E34 in the diagram
8982851-1-S-Murray-492574MA-Lawn Tractor Mandrel Housing 360 view
( Grid squares measure 1x1 inch )
8982851-1-S-Murray-492574MA-Lawn Tractor Mandrel Housing 8982851-1-S-Murray-492574MA-Lawn Tractor Mandrel Housing 360 view
Part Location Diagram of 492574MA Murray Lawn Tractor Mandrel Housing

Lawn Tractor Mandrel Housing 492574MA

Manufactured by:
Murray
ERP Number:
ERP8982851
Part Number:
492574MA
Original Equipment Manufacturer ?
$59.44
★★★★★
★★★★★
10 Reviews
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

1- 2 hours 

(16 rated repairs) ?

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Description Frequently Purchased Together Troubleshooting Reviews Questions & Answers Repair Instructions Model Cross Reference

Product Description

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This mandrel housing is for lawn tractors. Mandrel housing houses the shaft that spins the blade. Wear work gloves to protect your hands when installing this part.

Frequently Purchased Together

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Mandrel Splin 7.03 Q1
$30.95
In Stock

Troubleshooting

This part works with the following brands:
  • Murray
  • Craftsman
  • Briggs and Stratton
This part works with the following products:
  • Lawn Tractor
  • Trimmer
  • Lawn Mower
Part# 492574MA replaces these:
492574, 492574MA,
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Customer Part Reviews

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4.9
Average Rating (out of 5):
★★★★★
★★★★★
(10 Reviews)
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  • 5 stars
    9
  • 4 stars
    1
  • 3 stars
    0
  • 2 stars
    0
  • 1 star
    0
  • 1
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Sorry, we couldn't find any existing reviews that matched. Try using some different or simpler keywords.
★★★★★
★★★★★
Easy Repair
Bkade shaft housing, jack shaft, pulley, lock nut.
Guest - June 3, 2019
Verified Purchase
★★★★★
★★★★★
Part is exact replacement for my riding lawn tractor
I found that the bolts that were used for the original jackshaft were of a type that would cut its own threads, hence all but one broke off, no problem, since I did not have any bolts of that type, other than the one that did not break, I just threaded to a standard bolt and snugged it down (soft metal for jackshaft) , put a lock and nut on the end and snugged down again. Just a note here to let the purchaser know you need to get the original bolts also. Good product am happy with it.
Guest - August 29, 2019
Verified Purchase
★★★★★
★★★★★
Perfect except
Found that part was not pre-tapped. Customers would need to clean all bolts/screws to remove buildup and use a 3/8-16 tap and die for best results. I have to assume new bolts/screws are self tapping but this could cause stripping if not careful using the old ones. P.S. on reason for purchase you need to add broken, damaged and missing to the list. I am just glad you guys have these parts for all us home grease monkey honey doers.
Guest - November 12, 2019
Verified Purchase
★★★★★
★★★★★
right part the first time
part came faster then expected but had an extra part that came too . I did not order it called to return it and the lady that helped me was nice and found out how i was able to return the part with out a problem. will be be ordering a other one soon. happy costumer
Guest - January 30, 2020
Verified Purchase
★★★★★
★★★★★
Easy to find the right parts
Our mower is w2 years old and now works better than it has in years
Guest - July 13, 2020
Verified Purchase
★★★★★
★★★★★
perfect fit quick shipping
exact replacement part. no fitting problems
Guest - September 1, 2020
Verified Purchase
★★★★★
★★★★★
Jackshaft Housing Assembly
works great the holes needed to be threaded thank goodness i had a tap to do it
Guest - January 1, 2021
Verified Purchase
★★★★★
★★★★★
Fit like a glove -
The jackshaft mount dropped in perfectly - Added grease and went back to work. The mount was new and came on time as promised. Easy job to replace the mount and saved a repair bill.
Stephen P - July 25, 2025
Verified Purchase
★★★★★
★★★★★
Murray mower and the parts seem to be getting harder to find but the part I received fit perfectly
I have an older Murray mower and the parts seem to be getting harder to find but the part I received fit perfectly
Guest - May 1, 2019
Verified Purchase
★★★★★
★★★★★
After bad experiences with your Fed-Ex deliveries in the past. I was pleasantly shocked to get my parts in a timely manner.
E
Carl - May 29, 2019
Verified Purchase

Questions & Answers

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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.

A Bit Difficult 

1- 2 hours 

(16 rated repairs) ?
  • 1
  • 2
Sort by:  
Sorry, we couldn't find any existing installation instruction that matched.

Jackshaft bearings R&R

Ronald from Wharton, Texas

19 of 19 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Pliers, Socket set, Wrench (Adjustable), Wrench set
Parts Used:
56631E701MA, 37X96MA, 94129MA, 492574MA
Remove drive belt then remove the deck from the mower. Take the guards off, then the blade then the jack shaft housing and shaft. Install new one , don\'t forget to grease it an the others too.. Put all back together an your done.
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Bad mower deck bearing on Murray riding mower.

Lois from Wakefield, Kansas

6 of 6 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
More than 2 hours
Tools:
Socket set, Wrench set
Parts Used:
94130MA, 94129MA, 492574MA
Removed deck from mower.
Removed flange nut from top of pulley.
Removed pulley and spacer from jackshaft
Removed old mower blades..
Removed bolts holding mandrel housing and pulley guards.
Bolted on new mandrel housing.
Inserted new jackshaft and replaced pulley and spacer.
Greased new bearing in mandrel housing.
Replaced mower blades and tightened all nuts and bolts.
Placed deck back onto mower.
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Noisy when blades were engaged. Excessive vibration from deck when engaged

Tony from Kathleen, Georgia

6 of 6 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Socket set, Wrench (Adjustable), Wrench set
Parts Used:
94129MA, 492574MA
Removed the mower deck from mower. The mandrel spindles simply unfolded from deck with help of impact wrench. Replaced in that order. Replaced pulleys. Be careful not to lose the spacer bushing for the idler pulley! The new mandrel spindle bolt holes were not threaded. But the weight that came out of them were tapered fine threaded bolts that will simply thread themselves into the aluminum mandrel spindles. I highly recommend going to a special you faster shop to replace all the bolts that go into the mandrel spindles. It was worth the extra $12!
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Mower deck was loud and blade was cutting uneven

David from Jacksonville, Florida

5 of 5 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
30 - 60 mins
Tools:
Socket set, Wrench set
Parts Used:
94130MA, 94129MA, 690387MA, 690369MA, 492574MA
Removed mower deck and replaced the jackshafts and pulleys. Pretty simple job, just takes time to get it done!
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Jack shaft was bent and housing was cracked

Jack from Euclid, Ohio

5 of 5 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers, Socket set, Wrench set
Parts Used:
492574MA, 491922MA
I removed jack shaft and the housing with socket wrenches and open end wrenches. Cleaned up the deck where the new parts would be installed. I had to tap the four holes in the new jack shaft housing,, because the four holes were not tapped. after tapping these four holes I mounted the housing on deck, and,, secured it with the four bolt s from the previous installation. I slipped in the new jack shaft and mounted the drive pulley. I did grease up the new assembly as well.
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Hub(jackshaft) & spindle (shaft)broke

sam from Murfreesboro , Tennessee

4 of 4 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
15 - 30 mins
Tools:
Socket set
Parts Used:
92466SEMA, 94130MA, 94129MA, 492574MA, 2828635SM
Remove the deck from the mower
Remove the the upper jack shaft nut and pulley
Unbolted old broken hub(jackshaft housing) & blade
I replaced bolts hub (jackshaft)& (shaft)spindle
Reinstalled blade & belt
Note: The jackshaft housing is not threaded but the bolts are self tapping

Mower has two blade s, so I used other side as reference
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Jack-shilf bearings & shaft wore out, the blades were bad, all new parts purchased fit great.

roy from BONANZA, Oregon

2 of 2 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Socket set, Wrench set
Parts Used:
95103E701MA, 94129MA, 492574MA, 15X100MA
I used my 2 ton engine lift to raise the lawn tractor mower front end high enough to do the repair job easily. 3 of 5 screws attaching jack-shaft to housing broke. Could not remove the spacer from old main shaft to replace with new shaft. Hardware store for new screws, I had metal tubing on hand to make a new spacer. This old machine i s working again.

Thanks, for having all the parts I needed.
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Jackshaft and bearings worn out,belt worn out, replaced blades also

Dennis from MONACA, Pennsylvania

2 of 2 people found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Screw drivers, Socket set, Wrench (Adjustable)
Parts Used:
91742E701MA, 492574MA, 491922MA
Removed support rods , dropped mower deck
Removed old belt
Removed belt guides
Unbolted old blades & pulleys
Unbolt & remove old jackshaft housing & jack shafts
Bolt in new housings & jack shafts & pulleys, grease new bearings
Put on new blades
Install new belt & belt guides
Put deck back on mower
Level deck front to back & side to side
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Jackshaft bearings came apart, wrecking the other parts used in the repair.

Thomas from Colton, New York

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Socket set, Wrench set
Parts Used:
94130MA, 94129MA, 92466MA, 492574MA
Removed pulley, wrecked jackshaft housing, splined shaft, spacer, and blade adapter.
Cleaned all deck surfaces.
Reassembled jackshaft housing, splined shaft, spacer and blade adapter.
Installed the assembly on the mower deck, using original mounting bolts.
Installed pulley on top of assembly, and blade below the de ck.
Threaded the belt through all the pulleys, making sure the tension was good.
Started up, and began mowing.
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Blade housing wore out due to no lubrication port for the bearings

James from Greensboro, North Carolina

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Pliers, Screw drivers, Socket set, Wrench (Adjustable), Wrench set
Parts Used:
54211MA, 21673ZMA, STD580019, 492574MA
Remove old bearings from axle, use file to eliminate rough spots . Slide on Jackshaft and lubricate.
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Model Cross Reference

This part works with the following models:
ERP Number: ERP8982851
Manufacturer Part Number: 492574MA
Brand Model Number Description
Murray 3396804 Lawn Mower - Gas Walk-Behind Mower
Murray 38500A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38500Ax192A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38500B Lawn Tractor - 38&#34 Cut Lawn Tractor
Murray 38500x192B Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38500x30A Lawn Tractor - 38&#34 Lawn Tractor
Murray 38500x83A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38500x92A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38500x92B Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38501x50A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38501x50B Lawn Tractor - 38&#34 Cut Lawn Tractor
Murray 38501x50C Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x51A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38502x51B Lawn Tractor - 38&#34 Cut Lawn Tractor
Murray 38502x51C Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x51D Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x51E Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x52A Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x66A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38502x67A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38502x86A Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x86B Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x98A Lawn Tractor - 38&#34 Cut Lawn Tractor
Murray 38502x98B Lawn Tractor - 38&#34 Lawn Tractor
Murray 38502x98C Lawn Tractor - 38" Lawn Tractor
Murray 38502x98D Lawn Tractor - 38&#34 Lawn Tractor
Murray 38504A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38504x25A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38506x199A Lawn Tractor - 38 Inch Cut Lawn Tractor
Murray 38506x4A Lawn Tractor - 38 Inch Cut Lawn Tractor
Lawn Tractor Mandrel Housing
$ 59.44
In Stock
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Stock Status
✖
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