The published John Deere GX355 ride-on mower secondary deck belt size is 5/8" Wide x 120" O.D. The recorded OEM references are M118685.
Belt replacement guide
John Deere GX355 belt size & replacement chart
OEM references, belt positions and published dimensions for this ride-on mower.
Equipment: Ride-On MowerBelt applications: 1OEM references: 1Sizes listed: 1
Distinct belts1
OEM references1
Belt functions1
Published sizes1
Replacement lookup
John Deere GX355 belt chart
Match the belt function first, then confirm the OEM number and size.
| Belt application | OEM / replacement number | Published size | Listing SKU |
|---|---|---|---|
| Mower deck Secondary Deck Belt |
M118685 | 5/8" Wide x 120" O.D. | BEL7515 |
Application details
John Deere GX355 belt details
Secondary Deck Belt
Recorded OEM reference: M118685. Published size: 5/8" Wide x 120" O.D.
Important: Confirm the belt position, deck size, serial range and machine configuration before ordering. Belts with the same length can use different widths or profiles.
Common questions
John Deere GX355 belt FAQ
What belt does the John Deere GX355 use?
The listed belt application is Secondary Deck Belt. Recorded OEM reference: M118685.
What is the John Deere GX355 belt part number?
The recorded OEM reference is M118685. Match it to the correct belt position before ordering.
What size belt does the John Deere GX355 use?
Secondary Deck Belt: 5/8" Wide x 120" O.D.
Can I match the John Deere GX355 belt by length alone?
No. Width, profile, inside or outside circumference, belt position and OEM reference can all affect fitment. Match the belt function and OEM number first, then use the dimensions as a final check.
