Will these parts fit model 139.53970srt?

You have to go by the model number to make sure

Will this fit model139.53637srt

Looking looking up the page in your owner's manual shows the part's list and it lists this part as working in your garage door opener

I have a chamberlain liftmaster part number 41a5483b from 2003. will this part work?

Me too! And yes, it works great. The part number you reference appears to be the logic board on the back of the unit. On the front, chain side, is the name plate with the model number. Mine is model 2265R and if yours is also a 2265-ish, this replacement works great.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Replacement for Liftmaster 41C4220A Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models

Replacement for Liftmaster 41C4220A Gear and Sprocket Kit fits Chamberlain, Sears, Craftsman 1/3 and 1/2 HP Chain Drive Models

Product ID: 181389546

Details

Brand
GARAGE STOP
Color
Multicolor
Installation Type
Screw-In
Item Weight
16 ounces
Material
Metal

🎥Includes video installation guide

⚙️Complete gear & sprocket kit

🛠️Fits 1/3 & 1/2 HP chain drive models

€ 55.52

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚙️ Upgrade your garage game with precision and ease!

TRUSTED BY THOUSANDS - 4.7-star rating from over 1,000 users proves reliability and satisfaction.
EFFORTLESS DIY UPGRADE - Step-by-step video instructions make installation a breeze—no pro needed.
UNIVERSAL COMPATIBILITY - Perfectly fits Chamberlain, Sears, Craftsman & Liftmaster chain drive models from 1984 to today.
ALL IN ONE PRECISION KIT - Everything you need—gear, sprocket, worm gear, grease, and bearings for seamless replacement.
DURABLE METAL CONSTRUCTION - Engineered for long-lasting performance under daily garage door stress.

This Replacement Gear and Sprocket Kit by Garage Stop is a comprehensive, metal-built solution designed for 1/3 and 1/2 HP chain drive garage door openers from top brands like Chamberlain, Sears, Craftsman, and Liftmaster. It includes all essential components plus grease and bearings, backed by clear video instructions and a strong customer satisfaction rating.

Specifications

ASIN	B07Y3XXJYM
Best Sellers Rank	#183,374 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #9 in Garage Door Gears
Brand Name	GARAGE STOP
Customer Reviews	4.7 4.7 out of 5 stars (1,034)
Included Components	Gear and sprocket, worm gear, grease, motor shaft bearings, sprocket bearings
Item Weight	16 ounces
Manufacturer	Garage Stop
Material Type	Metal
Model	59251-548
Part Number	59251-548
UPC	880160734218

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