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AUC10172 Deck Flat Idler Pulley for John Deere Z335E Z525E Z535M Z535R ZTrak 2X
$83.89
Sale price
$83.89
Regular price
Available to Order
This 2-Pack Deck Flat Idler Pulley is a replacement flat idler pulley compatible with John Deere Z335E, Z525E, Z535M, Z535R, and ZTrak mowers, and matches OEM part number AUC10172.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
The Deck Flat Idler Pulley (AUC10172) maintains proper belt tension and alignment on your John Deere mower deck, reducing slippage and wear on drive belts. This 2-pack of Deck Flat Idler Pulleys replaces seized or noisy originals, restoring smooth deck operation and consistent cut quality. Each Deck Flat Idler Pulley is built to OEM dimensions for a direct drop-in fit on compatible ZTrak and zero-turn models.
Key Features & Performance
- Precision-machined flat belt contact surface ensures consistent grip and minimal belt wear
- High-grade steel body with sealed ball bearing delivers smooth, quiet rotation and long service life
- Direct replacement for John Deere AUC10172 — no modifications, shims, or adapters required
- Corrosion-resistant coating withstands moisture, grass clippings, and outdoor storage
- Includes two pulleys to replace both front or side deck idlers in a single service
- Engineered to meet or exceed factory performance for reliable belt tracking under load
Fitment & Compatibility
- John Deere Z335E
- John Deere Z525E
- John Deere Z535M
- John Deere Z535R
- John Deere ZTrak series (additional models that call for AUC10172)
Common Uses
- Replacing a seized, worn, or noisy deck idler pulley on residential and commercial zero-turn mowers
- Restoring correct belt alignment and tension after a belt failure or slipping incident
- Routine drive system maintenance during annual mower service or deck belt replacement
- Used by landscapers, lawn care professionals, and DIY owners to keep mower decks running smoothly
Technical Specifications
- Part Number(s): AUC10172
- Type: Flat Idler Pulley
- Quantity: 2 per pack
- Bearing Type: Sealed ball bearing
- Material: Steel with corrosion-resistant finish
- Compatible Equipment: John Deere ZTrak zero-turn mowers
Frequently Asked Questions
Q: Is this a direct factory replacement for John Deere part AUC10172? A: Yes, each pulley is manufactured to OEM specifications and drops directly into place without any modifications.
Q: Will this 2-pack fit John Deere models not listed in the fitment? A: The pulley is confirmed for Z335E, Z525E, Z535M, Z535R, and ZTrak series. For unlisted models, verify that your deck requires part number AUC10172; if it does, this set will fit.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.