Medium
1-2 hours
An authentic replacement part that is supplied directly from the original equipment manufacturer for use with Murray and Simplicity snowthrowers. The purpose of this gasket is to ensure a tight seal for the gear box, over time the part may wear out and begin to crack eventually requiring a replacement. It is a high-quality composite material component which is sold individually, please refer to the appropriate diagrams of your model for the correct location and application of this hardware.
Gasket,gear Case Cf 9 51279MA
OEM part for: Murray
Part Number: 51279MA
$14.11
In Stock
Ships within 1 business day 
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Compatibility
This Gasket,gear Case Cf 9 will fit the following 305 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Murray
Show More Compatible ModelsThis item works with the following types of products:
- Snowblower Parts
This part replaces obsolete part #: 51279, 724373
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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.
snowbloower auger shaft bent
Ervin - February 15, 2020
Tool Type
Snowblower
Difficulty
Hard
Time
More than 2 hours
Tools Used
Pliers, Socket set, Wrench Set, Nutdriver, Adjustable Wrench
disassemble and replace shaft
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The teeth broke off the front auger
donald - December 20, 2018
Tool Type
Snowblower
Difficulty
Medium
Time
1-2 hours
Tools Used
Socket set, Adjustable Wrench, Hammer
Removed belt cover and belt and separated snowblower removed belt pulley and removed bolts holding auger assembly and tapped the auger drive shaft out of rear bearing removed front augers and separated front gear assembly and removed shafts and tapped gear off the the auger shaft and installed new gear and cleaned housing and reassembled and installed new grease and reinstalled augers and impeller and reinstalled back into blower housing and reinstalled belt pulley and reconnected blower assembly to engine assembly and reinstalled belt and shield and rechecked everything and ran blower.
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Snowblower feed auger, worm gear stripped - ate heavy rug under snow!!!!
Marlyn - May 9, 2018
Tool Type
Snowblower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Socket set, Wrench Set
1. Removed removed spare breaker bolt box from top of blower
2. Remove auger side guides from frame of throat
3. Loosen pulley back of fed assembly - split fed assembly from body of blower
4. Using pulley puller, removed pulley from shaft (drives gear box)
5. Pull auger assembly from throat housing
6. Slide augers off each side of assembly (remove breaker bolts)
7. Separate gear box housing halves - remove brass shavings with grease & all
8. Slide replacement worm gear into position
9. Put new grease into each gear box half, place gasket & tighten halves together
10. Reverse procedure to reassemble
2. Remove auger side guides from frame of throat
3. Loosen pulley back of fed assembly - split fed assembly from body of blower
4. Using pulley puller, removed pulley from shaft (drives gear box)
5. Pull auger assembly from throat housing
6. Slide augers off each side of assembly (remove breaker bolts)
7. Separate gear box housing halves - remove brass shavings with grease & all
8. Slide replacement worm gear into position
9. Put new grease into each gear box half, place gasket & tighten halves together
10. Reverse procedure to reassemble
Did you find this story helpful?
Thanks for voting and helping fellow customers!
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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.
