Exmark 109-2796 Idler Pulley | Front Runner Decks & Lazer Z
Product Number: 109-2796
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Exmark 109-2796 Idler Pulley
The Exmark 109-2796 Idler Pulley is an OEM replacement pulley used on select Exmark Front Runner Decks and Exmark Lazer Z mower applications. This pulley should be matched to the exact model number, serial range, belt routing, pulley location, and Exmark parts diagram before ordering.
This part is commonly searched as Exmark 109-2796, Exmark 1092796, Exmark idler pulley, Lazer Z idler pulley, Front Runner deck pulley, Exmark deck idler pulley, and OEM Exmark pulley.
Always verify your exact Exmark model number, serial number, pulley diameter, pulley width, bore size, bearing style, belt routing, idler arm location, and parts diagram before ordering. Do not order by mower family, deck size, or pulley appearance alone because idler pulley fitment can vary by model and serial range.
Product Details
| Brand | Exmark |
|---|---|
| OEM Part Number | 109-2796 |
| Product Description | Idler Pulley |
| Product Type | Idler Pulley / Belt Drive Pulley |
| Common Equipment | Select Exmark Front Runner Decks and Lazer Z models |
| OEM / Aftermarket | OEM Exmark replacement part |
Key Features
- OEM Exmark idler pulley
- Part number 109-2796
- Used on select Exmark belt drive applications
- Fits listed Front Runner Decks and Lazer Z model references
- Factory-style replacement when listed in your Exmark parts diagram
- Important to verify model, serial range, belt routing, and pulley location before ordering
Fits Select Exmark Front Runner Decks
The following fitment is based on the supplied where-used information. Always confirm your exact deck model, serial number, and parts manual before ordering.
Front Runner Deck Model References
- FR524 - Serial 720000 - 789999
- FR604 - Serial 720000 - 789999
- FR724 - Serial 720000 - 789999
Fits Select Exmark Lazer Z LAS Models
LAS Model References
- LAS25KC604 - Serial 720000 - 789999
- LAS25KC604N - Serial 720000 - 789999
- LAS28KA524 - Serial 720000 - 789999
- LAS28KA524R - Serial 720000 - 789999
- LAS28KA604 - Serial 720000 - 789999
- LAS28KA724 - Serial 720000 - 789999
- LAS28KA724N - Serial 720000 - 789999
Fits Select Exmark Lazer Z LXS Models
LXS Model References
- LXS25KD605 - Serial 720000 - 849999
- LXS25KD665 - Serial 720000 - 849999
- LXS25KD725 - Serial 720000 - 849999
- LXS29LKA605 - Serial 720000 - 789999
- LXS29LKA725 - Serial 720000 - 789999
- LXS35BV605 - Serial 720000 - 919999
- LXS35BV665 - Serial 720000 - 919999
- LXS35BV725 - Serial 720000 - 919999
Fits Select Exmark Lazer Z LZ Models
LZ Model References
- LZ27KC604 - Serial 720000
- LZ27KC605 - Serial 720000 - 789999
- LZ28KA605 - Serial 720000 - 789999
- LZ28KC605 - Serial 720000 - 789999
- LZ31BV605 - Serial 720000 - 789999
- LZ31BV665 - Serial 720000 - 789999
- LZ31BV725 - Serial 720000 - 789999
Fits Select Exmark Lazer Z LZAS Models
LZAS Model References
- LZAS20BV484 - Serial 790000 - 849999
- LZAS20KC484 - Serial 790000 - 849999
- LZAS23KC524 - Serial 790000 - 849999
- LZAS25KC604 - Serial 790000 - 849999
- LZAS26LKA604 - Serial 790000 - 849999
- LZAS27KC524 - Serial 790000 - 849999
- LZAS27KC604 - Serial 790000 - 849999
- LZAS29KA724 - Serial 790000 - 849999
Fits Select Exmark Lazer Z Diesel / Rear Discharge Models
LZD / LZDS / LZS Model References
- LZD25KD605 - Serial 920000 - 999999
- LZD25KD725 - Serial 920000 - 999999
- LZDS902K605 - Serial 312000000 - 314999999
- LZDS902K725 - Serial 312000000 - 314999999
- LZS902DKU605A1 - Serial 315000000 - 399999999
- LZS902DKU725A1 - Serial 315000000 - 399999999
Fits Select Exmark Lazer Z LZZ Models
LZZ Model References
- LZZ23KA526 - Serial 790000 - 849999
- LZZ23KC486 - Serial 790000 - 849999
- LZZ23KC526 - Serial 790000 - 849999
- LZZ27KC526 - Serial 790000 - 849999
- LZZ27KC606 - Serial 790000 - 849999
- LZZ29KA606 - Serial 790000 - 849999
- LZZ34KA606 - Serial 790000 - 849999
- LZZ34KA726 - Serial 790000 - 849999
Important Serial Number Notes
The supplied fitment data includes model-specific serial ranges including 720000 - 789999, 790000 - 849999, 850000 - 919999, 920000 - 999999, 312000000 - 314999999, and 315000000 - 399999999. Always match your exact model and serial number to the correct Exmark parts diagram.
Important Fitment Notes
- This listing is for Exmark OEM part number 109-2796
- Product description: Idler Pulley
- Verify your exact mower or deck model number and serial number before ordering
- Confirm your Exmark parts diagram lists 109-2796 for the idler pulley location you are repairing
- Check pulley diameter, pulley width, bore size, bearing style, belt type, belt routing, idler arm, spacers, and surrounding hardware
- Do not order by mower family, deck size, belt size, or pulley appearance alone
- Belt, idler arm, spacer, bolt, washer, spring, pulley guard, bracket, and related hardware are not included unless shown or stated
When to Replace an Idler Pulley
- Pulley bearing is noisy, rough, loose, seized, or worn
- Pulley surface is grooved, cracked, bent, or damaged
- Belt is slipping, squealing, jumping, or wearing unevenly
- Idler pulley has wobble or excessive play
- Belt tracking is poor due to worn pulley or related idler components
- Your Exmark parts diagram lists part number 109-2796 for the repair
Installation and Service Notes
Before servicing belts or idler pulleys, park the mower on a flat surface, disengage the blades, set the parking brake, shut the engine off, remove the key, and wait for all moving parts to stop.
- Take a photo of belt routing before removing the old pulley
- Inspect belts, idler arms, tension springs, spacers, bushings, guards, bearings, and mounting hardware during service
- Compare the replacement idler pulley to the original before installation
- Replace worn or damaged related parts as needed
- Confirm the belt is seated correctly and the pulley spins freely before operating
- Follow the Exmark service manual for your exact model and serial number
Part Number / Search Terms
- Exmark 109-2796
- Exmark 1092796
- 109-2796 idler pulley
- Exmark idler pulley
- Exmark deck idler pulley
- Exmark belt pulley
- Front Runner deck idler pulley
- Lazer Z idler pulley
- Lazer Z diesel idler pulley
- Exmark LXS idler pulley
- Exmark LZAS idler pulley
- Exmark LZZ idler pulley
- OEM Exmark pulley
- OEM Exmark belt drive parts
- OEM Exmark mower parts
Frequently Asked Questions
What is Exmark 109-2796?
Exmark 109-2796 is an OEM idler pulley used on select Exmark Front Runner deck and Lazer Z belt drive applications.
What models does this idler pulley fit?
Supplied fitment information lists this pulley for select Front Runner Decks and Lazer Z model references, including LAS, LXS, LZ, LZAS, LZD, LZDS, LZS, and LZZ models. Always verify your exact model and serial number before ordering.
Does this include the belt or hardware?
This listing is for the idler pulley only unless a belt, spacer, bolt, washer, spring, bracket, or additional hardware is specifically shown or stated as included.
Can I order this by mower model alone?
No. Always confirm the full model number, serial number, pulley location, belt routing, pulley specs, and Exmark parts diagram before ordering.
Is this an OEM Exmark part?
Yes. This listing is for Exmark OEM part number 109-2796.
P&P Small Engines stocks Exmark idler pulleys, deck pulleys, belts, blades, spindles, Front Runner parts, Lazer Z parts, filters, hardware, and commercial mower replacement parts.





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