Description

The Toro / Exmark 135-7909 left hand hydro assembly is a genuine OEM hydraulic assembly for select commercial zero-turn mower applications. Listed as HYDRO-LH, this assembly is designed for compatible left-hand hydro drive systems.

OEM Toro and Exmark hydraulic drive parts are built to match factory specifications for fit, performance, and reliability. A worn or failing hydro assembly can cause weak drive power, loss of motion, uneven tracking, hydraulic noise, vibration, or poor mower control.

This 135-7909 HYDRO-LH assembly is commonly used on select Exmark Lazer Z 96 inch models, including LZX980EKC96RW0, and select Toro 96 inch Air Cool Z Master Professional Riding Mower applications, including model 74090. Fitment depends on model number, serial number range, and left-hand or right-hand side, so always verify before ordering.

Toro / Exmark 135-7909 Specs

Brand: Toro / Exmark
Part Number: 135-7909
Product Type: Hydraulic Assembly / Hydro Assembly
: HYDRO-LH
Side: LH / Left Hand
OEM / Aftermarket: Genuine OEM
Application: Hydro drive system
Common Equipment: Exmark Lazer Z and Toro Z Master Professional commercial zero-turn mowers
Common Exmark Model: LZX980EKC96RW0
Common Toro Model: 74090

Common Fitment

Toro / Exmark 135-7909 is commonly used on select commercial mower models including:

Exmark Lazer Z
LZX980EKC96RW0

Toro Z Master Professional
74090 – 96 inch Air Cool Z Master Professional Riding Mower

Model Breakdown

Exmark Lazer Z

LZX980EKC96RW0
406294345 – 408644345
411294212 – 413950473
413950474 – 416150474
416150475 – 417930745
417930746 – 417930746

Toro Z Master Professional

74090 – 96 inch Air Cool Z Master Professional Riding Mower
400000000 – 409999999

Part Number / Search Terms

Toro / Exmark 135-7909 may also be searched as:

135-7909
1357909
Toro 135-7909
Exmark 135-7909
Toro Exmark 135-7909
HYDRO-LH
Toro HYDRO-LH
Exmark HYDRO-LH
Toro left hand hydro assembly
Exmark left hand hydro assembly
Lazer Z left hand hydro assembly
Z Master left hand hydro assembly
Toro 74090 hydro assembly
Exmark LZX980EKC96RW0 hydro assembly

Important Fitment Note

Toro / Exmark 135-7909 is a left hand hydro assembly. Many Toro and Exmark commercial mowers use different hydro assemblies depending on model, serial number range, deck size, engine option, and left-hand or right-hand side.

Before ordering, confirm:

Your mower model number
Your mower serial number
Whether you need the LH / left-hand hydro assembly
Your original hydro assembly part number
Your deck size and engine configuration

Frequently Asked Questions

Is Toro / Exmark 135-7909 an OEM part?

Yes. Toro / Exmark 135-7909 is a genuine OEM left hand hydro assembly.

What does HYDRO-LH mean?

HYDRO-LH means left hand hydraulic drive assembly. This part is for compatible left-hand hydro drive systems.

What models does 135-7909 fit?

This hydro assembly is commonly used on select Exmark Lazer Z LZX980EKC96RW0 models and Toro 74090 96 inch Air Cool Z Master Professional Riding Mower applications.

Does 135-7909 fit the right side?

No. This listing is for the left hand hydro assembly. Right hand hydro assemblies are different and must be matched separately by model and serial number.

How do I confirm this is the correct hydro assembly?

Check your mower model number, serial number, side of the mower, and original hydro assembly part number before ordering.

Should I verify fitment before ordering?

Yes. Always verify your model number, serial number range, side, and original part number before ordering.

P&P Small Engines stocks genuine Toro and Exmark hydraulic drive assemblies and commercial mower parts to help keep Lazer Z and Z Master equipment running properly.