Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Roadmaster 3938SR bicycle Parts

Here are the diagrams and repair parts for Roadmaster 3938SR bicycle, as well as links to manuals and error code tables, if available.

Roadmaster 3938SR bicycle
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 3938SR Bicycle

  • Head Bearing for Roadmaster 3938SR - Part HH1007

    Unit parts diagram

    Head Bearing

    Part #HH1007

    The manufacturer no longer makes this part, and there's no substitute part

  • Free Wheel for Roadmaster 3938SR - Part PP7473

    Unit parts diagram

    Free Wheel

    Part #PP7473

    The manufacturer no longer makes this part, and there's no substitute part

  • Front Axle for Roadmaster 3938SR - Part HH0421

    Unit parts diagram

    Front Axle

    Part #HH0421

    The manufacturer no longer makes this part, and there's no substitute part

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Repair time and Difficulty

 30 minutes or less
How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Repair time and Difficulty

 45 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Repair time and Difficulty

 45 minutes or less

Articles and videos for front-engine lawn tractors

Should I get an electric riding mower?

Should I get an electric riding mower?

Get help deciding whether to make the switch to a battery-powered riding mower…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

How to tell if a fuse is blown

How to tell if a fuse is blown

Learn how to tell whether a fuse is blown…

Parts & More

Air Compressor
Dishwasher
Dryer
Electric Range
Evaporative Cooler
Front-Engine Lawn Tractor
Gas Range
Parts
Treadmill
Washer
Wet/Dry Vacuum