The John Deere E100 deck belt part number found is M154202. The deck belt size found is 103.74 in (2,635 mm) long by 0.35 in (9 mm) wide. The drive belt part number found is GX20072. The drive belt size found is 95 in (2,413 mm) long by 0.5 in (13 mm) wide.
John Deere E100 Belt Size and Part Numbers
| Mower deck belt part number | M154202 |
|---|---|
| Mower deck belt length | 103.74 in (2,635 mm) |
| Mower deck belt width | 0.35 in (9 mm) |
| Drive belt part number | GX20072 |
| Drive belt length | 95 in (2,413 mm) |
| Drive belt width | 0.5 in (13 mm) |
Belt Size Comparison Chart
Belt length comparison
Belt width comparison
John Deere E100 Belt Notes
| Mower deck belt note | The John Deere E100 deck belt listing shows part number M154202, length 103.74 in (2,635 mm) and width 0.35 in (9 mm). Match the old belt, deck size and routing before spending money |
|---|---|
| Drive belt note | The John Deere E100 drive or transmission belt listing shows part number GX20072, length 95 in (2,413 mm) and width 0.5 in (13 mm). Do not mix it up with the deck belt because the routing and job are different |
| Fitment note | Before ordering a John Deere E100 belt, compare the old belt routing, pulley layout and deck size if available. A close-looking belt can still be wrong |
John Deere E100 Belt Size FAQ
What should you watch when fitting a 103.74 in (2,635 mm) deck belt on the John Deere E100?
A 103.74 in (2,635 mm) deck belt leaves little room for sloppy routing. This is a longer mower belt run, so twist, idler alignment and the belt keeper positions matter. A belt can be the right length and still fail if it is routed wrong. Before blaming the new belt, compare the belt path to the routing decal and make sure it sits on the correct side of.
Can you replace the John Deere E100 belt with the same length but different width?
The deck belt width found is 0.35 in (9 mm). That is a narrow belt, so do not casually swap in a 1/2-inch belt unless the parts diagram says it crosses over. Too-wide belts can ride high in the pulley. A belt with the wrong top width can ride too high or too low in the pulley even if the length looks right
Why are there separate belt part numbers for the John Deere E100?
The captured values separate the belt jobs: deck belt part number M154202 and drive belt part number GX20072. Treat each number as position-specific and confirm it against the parts diagram before ordering
Mistakes do happen. Belt specs can change by year, mower deck, pulley layout, serial range and regional parts catalog. Please check the operator manual, belt routing decal, old belt label and official John Deere parts catalog before ordering a replacement belt.
