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SKU:
NLT1B00334
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John Deere D105 E100 Secondary Variator Pulley MIA12482
$55.99
In Stock
$55.99
Sale price
$55.99
Regular price
This new aftermarket secondary transmission variator pulley kit replaces John Deere MIA12482 for compatible D105, E100, X105, and X106 riding mowers.
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Compatible Models
We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.
Compatible equipment / model
- John Deere D105 riding mower
- John Deere E100 riding mower
- John Deere X105 riding mower
- John Deere X106 riding mower
Product Overview
A mower that hesitates, will not move, changes speed unevenly, or has a pedal that produces little response may have a seized or worn secondary variator. Drive-belt wear, tension springs, idlers, transaxle damage, and linkage adjustment can cause the same symptoms.
The variable pulley changes effective belt diameter while maintaining belt tension so the mechanical drive can provide smooth speed response. It is part of the transmission belt system, not the complete transaxle.
Match MIA12482, sheave size, hub and bearing layout, belt widths, spring and fastener arrangement, mower model, serial number, and the transmission parts diagram.
Key Features & Performance
- Secondary variator pulley assembly for matching mechanical drive systems
- Maintains changing belt geometry and transmission tension
- Replacement for seized sheaves, bearing roughness, or excessive wear
- Direct reference match for D105, E100, X105, and X106 applications
Replaces Part Numbers
- MIA12482
Common Uses
- Restoring travel after a variator pulley seizes
- Correcting uneven ground speed after belt and linkage checks
- Replacing a pulley with wobble, noise, or damaged sheaves
Technical Specifications
- Product Type: Secondary transmission variator pulley kit
- Drive System: Mechanical variable-belt transmission
- Primary Reference: MIA12482
- Condition: New aftermarket replacement
Installation & Fitment
- Remove the key and disconnect the battery
- Support the mower safely and relieve spring tension
- Inspect both drive belts, idlers, springs, and linkage
- Install spacers and hardware in the exact original order
- Verify free pulley movement and test forward and reverse at low speed
Compatibility Notice
Northline Parts does its best to list all known compatible models, but the correct part may fit an application that is not shown above. Model year, production date, serial number, engine or equipment specification, installed options, and previous repairs can change fitment. Match the original part, reference number, dimensions, connectors, mounting points, and product photos before purchase.
Frequently Asked Questions
Q: Can this fix a D105 that will not move? A: It can if the secondary variator is seized or worn, but belts, linkage, springs, and the transaxle also need inspection.
Q: Is this the complete transmission? A: No. It is the secondary variator pulley kit within the belt-drive system.
Q: Will it fit an E110? A: This listing covers models using MIA12482; do not assume other E-series fitment.
Q: Is this an original-equipment part? A: No. This is a new aftermarket product. Brand names and part numbers are used only to identify compatible applications.
Part Summary
keywords: John Deere MIA12482 variator pulley, D105 mower will not move, E100 transmission pulley replacement, X105 secondary variator kit, John Deere riding mower speed problem
Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, specifications, and application before purchase.