Easy
15-30 minutes
This is an authentic replacement part that has been sourced from the original manufacturer to be used with riding lawnmowers. The pinion gear connects to the steering shaft and is used to engage the sector assembly to turn the wheels when the steering wheel is rotated. This item is available as an individual replacement part.
Gear-pinion 56057MA
OEM part for: Murray, Briggs and Stratton
Part Number: 56057MA
$103.11
In Stock
Ships within 1 business day 
Compatibility
This part will fit the following 63 machines
Murray
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30550G (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
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30540x29D (1999) 30" Rear Engine Rider View Diagrams & Manuals
30540x67F (1999) 30" Rear Engine Rider View Diagrams & Manuals
30540x98B (1999) 30" Rear Engine Rider View Diagrams & Manuals
30545x92B (1999) 30" Rear Engine Rider View Diagrams & Manuals
30550H (1999) 30" Rear Engine Rider View Diagrams & Manuals
30560x50C (1999) 30" Rear Engine Rider View Diagrams & Manuals
30550x30A (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30560x99A (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30560F (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30565B (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30560x50B (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30560x51B (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30577x31A (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30577x8A (1998) 30" Cut Lawn Tractor View Diagrams & Manuals
30560x51C (1999) 30" Rear Engine Rider View Diagrams & Manuals
30577x8A (1999) 30" Rear Engine Rider View Diagrams & Manuals
30560x99A (1999) 30" Rear Engine Rider View Diagrams & Manuals
30577x31B (1999) 30" Rear Engine Rider View Diagrams & Manuals
30544X92D (1996) Rear Engine Riders View Diagrams & Manuals
30544X192A (1996) Rear Engine Riders View Diagrams & Manuals
30575X8C Rear Engine Rider RER View Diagrams & Manuals
30540X20E (1996) Rear Engine Rider View Diagrams & Manuals
30540X67A (1996) Rear Engine Rider View Diagrams & Manuals
30550X199A (1996) Rear Engine Rider View Diagrams & Manuals
30560D (1996) Rear Engine Rider View Diagrams & Manuals
30560X20E (1996) Rear Engine Rider View Diagrams & Manuals
30560X66B (1996) Rear Engine Rider View Diagrams & Manuals
30575X7A (1996) Rear Engine Rider View Diagrams & Manuals
30575X8A (1996) Rear Engine Rider View Diagrams & Manuals
30540X20F (1997) Rear Engine Rider View Diagrams & Manuals
30540X29A (1997) Rear Engine Rider View Diagrams & Manuals
30540X66F (1997) Rear Engine Rider View Diagrams & Manuals
30540X67C (1997) Rear Engine Rider View Diagrams & Manuals
30545X92A (1997) Rear Engine Rider View Diagrams & Manuals
30545X192A (1997) Rear Engine Rider View Diagrams & Manuals
30546X4A (1997) Rear Engine Rider View Diagrams & Manuals
30546X199A (1997) Rear Engine Rider View Diagrams & Manuals
30550F (1997) Rear Engine Rider View Diagrams & Manuals
30560E (1997) Rear Engine Rider View Diagrams & Manuals
30560X50A (1997) Rear Engine Rider View Diagrams & Manuals
30560X59A (1997) Rear Engine Rider View Diagrams & Manuals
30565A (1997) Rear Engine Rider View Diagrams & Manuals
30575X8B (1997) Rear Engine Rider View Diagrams & Manuals
30575X31A (1997) Rear Engine Rider View Diagrams & Manuals
30577X7A (1997) Rear Engine Rider View Diagrams & Manuals
30560x70D (1996) Rear Engine Riders View Diagrams & Manuals
30560x51A (1997) Rear Engine Rider (Rer) View Diagrams & Manuals
30575x8C (1997) Rear Engine Rider (Rer) View Diagrams & Manuals
30550E (1996) Rear Engine Riders View Diagrams & Manuals
30560x5D (1996) Rear Engine Riders View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Lawn Tractor Parts
This part replaces obsolete part #: 056057MA
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Customer Repair Instructions ?
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Loss of steering
Eli - May 10, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Lawn Tractor
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set
From the acces panel on top (two screws)disconnect the steering shaft from the gear (one bolt). From below the deck remove two nuts from front (in front of axle) of mower and two screws from under the deck facing the front(on back of front axle). One bolt to disconnect steering arm, then drops down swap assembly out. ***NOTE: the discontinued bushing can be replaced with the spindle bearing. A plastic spacer. It will need to be shortened to allow for the cotton pin in the gear.
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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.
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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.
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