109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
 109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord
Summer Sale

109-3661, 109-3661-SL Mower Deck Belt Replacement for Toro, Exmark & More | Aramid Cord

Replaces OEM Part Numbers:
109-3661, 109-3661-SL
SKU: 109-3661_belt
Summer Sale
Regular price $24.89
Regular price $29.99 Sale price $24.89
Sale Out of stock
Apply for dealer pricing
Shipping:
Free shipping on orders over $45
Returns:
Free 30-day returns
Delivery:
3–4 business days
Length:
154"
Width:
1/2"
Belt type:
Deck Belt
Compatible with
Quest QST23KC522, Quest S-Series QZS708GEM60200, Quest SP QST24BE522, Quest QST24BE522C, Quest S-Series QTS708GEM60200, Quest QST20BE422, Quest QST22BE482, Quest SP QST22BE482C, Quest QST23KC482
Titan Z5200 74815, Titan Z5200 74814, TimeCutter 60 in 75762, TimeCutter 6000 75760, TimeCutter MX 6050 74777, TimeCutter Havoc MyRIDE 75763, Titan Z5200 74818
Customer reviews

Description

Compatible with select Toro and Exmark mowers & more, the 109-3661 deck belt replacement provides a clear match for routine maintenance. It replaces OEM part numbers 109-3661 and 109-3661-SL, helping verify the original belt before replacement.

Aramid tensile cords, a natural rubber body, and a two-layer wrapping cover provide strength, durability, and flexibility for repeated deck operation. Tested in the lab for low friction and minimal wear for long lasting performance, and with high breaking strength to handle demanding operating loads. Compatible lawn mower models are listed below.

Replace when installed deck belt shows visible wear or as part of scheduled mower maintenance. Before ordering, verify the original OEM belt number and the complete mower model.

If you are unsure of the compatibility please cross reference your original belt number or mower model before ordering.

Key Features

  • Constructed from Aramid tensile cords for reliable strength
  • Replaces OEM part numbers 109-3661 and 109-3661-SL
  • Provides reliable mower deck operation
  • Natural rubber body with a two-layer wrapping cover
  • Designed for select Toro and Exmark mowers & more
  • Lab-tested for low friction and minimal wear
Fits models
For Toro TimeCutter:
For Toro Titan:
For Exmark Quest 52 Inch:
For Exmark Quest S-Series 60 Inch:

FAQ

Is it possible to replace multiple OEM part numbers with this deck belt?

Yes. This replacement deck belt replaces OEM part numbers 109-3661 and 109-3661-SL. Before ordering, compare the number on your original belt.

Does this replacement deck belt fit OEM 109-3661-SL?

Yes. OEM 109-3661-SL is included in the Replaces OEM Part Numbers field for this deck belt.

How can I confirm that a 109-3661 belt matches my mower?

Check that the original OEM number matches 109-3661 or 109-3661-SL and confirm that the complete mower model appears in the compatibility information.

What is the size of this mower deck belt?

This deck belt is 154 inches long and 1/2 inch wide.

Why might the measured belt length differ slightly from 154 inches?

The product page lists a manufacturing tolerance of ±0.40 inches. Slight length variations are described as a normal part of manufacturing and do not affect performance.

How often should this deck belt be checked for replacement?

Check the installed deck belt for visible wear during routine mower maintenance. Before replacing it, verify the original OEM belt number and the complete mower model.