Idler Arm Bracket & Deck Belt Tension Spring 574689002 539120920 for Husqvarna Mower RZ46i RZ4619 RZ4621 Z246 Z246i
Idler Arm Bracket & Deck Belt Tension Spring for Mower
Mower Idler Arm Bracket & Deck Belt Tension Spring
Idler Arm Bracket & Deck Belt Tension Spring compatible with Mower
 Idler Arm Bracket & Deck Belt Tension Spring For Husqvarna
FridayParts Idler Arm Bracket & Deck Belt Tension Spring

Idler Arm Bracket & Deck Belt Tension Spring 574689002 539120920 for Husqvarna Mower RZ46i RZ4619 RZ4621 Z246 Z246i

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Product Details

Idler Arm Bracket & Deck Belt Tension Spring 574689002 539120920 for Husqvarna Mower RZ46i RZ4619 RZ4621 Z246 Z246i

Replacement Part Number: 574689002, 539120920

Application:
Fit for Husqvarna Mower: RZ 46 i, RZ 4619, RZ 4619 CA, RZ 4621, RZ 4621 BF, RZ 4622 T BF, RZ 4623, Z 246, Z 246 i

Product Highlights
Brand: FridayParts
Compatible Model Brand: For Husqvarna
Model Number: RZ 4619 CA, RZ 4621, RZ 4621 BF, RZ 4623, RZ 46 i, RZ 4622 T BF, Z 246, RZ 4619, Z 246 i
Replacement Part Number: 539120920, 574689002
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user
Zepedajennifer087
Reviewed on 01/06/2026
Deck belt stays put

My Z246 kept throwing the deck belt, and this idler bracket plus tension spring fixed the problem once and for all. Belt tracks straight now, no more mid-mow pops. Easy 20-minute job.

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