Description

The Toro / Exmark 135-7901 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 135-7901 HYDRO-LH assembly is commonly used on select Exmark Lazer Z E-Series models, along with select Toro Z Master 3000 Series commercial mower applications. Fitment depends on model number, serial number range, and left-hand or right-hand side, so always verify before ordering.

Toro / Exmark 135-7901 Specs

Brand: Toro / Exmark
Part Number: 135-7901
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 E-Series and Toro Z Master 3000 Series commercial mowers

Common Exmark Lazer Z Fitment

Toro / Exmark 135-7901 is commonly used on select Exmark Lazer Z E-Series models including:

LZE651CKA484A2
LZE651GKA484A2
LZE751CKA524A2
LZE751GKA524A2

Common Toro Z Master Fitment

Toro / Exmark 135-7901 is commonly associated with select Toro Z Master 3000 Series commercial mower applications, including:

72932 – Z Master 3000 KAW FX751V 52 in. MyRIDE
72949 – 3000 Series 52 in. 24.5 HP 852cc
72952 – Z Master 3000 KAW FX651V 48 in.

Model Breakdown

LZE651CKA484A2
406294345 – 408644345
408644346 – 411294211
411294212 – 413950473
413950474 – 416150474

LZE651GKA484A2
406294345 – 408644345
416150475 – 417930745

LZE751CKA524A2
406294345 – 408644345
408644346 – 411294211
411294212 – 413950473
413950474 – 416150474

LZE751GKA524A2
406294345 – 408644345
408644346 – 411294211
416150475 – 417930745

Toro Model Breakdown

72932 – Z Master 3000 KAW FX751V 52 in. MyRIDE
400000000 – 999999999

72949 – 3000 Series 52 in. 24.5 HP 852cc
406397819 – 412429052

72952 – Z Master 3000 KAW FX651V 48 in.
406397859 – 999999999

Part Number / Search Terms

Toro / Exmark 135-7901 may also be searched as:

135-7901
1357901
Toro 135-7901
Exmark 135-7901
Toro Exmark 135-7901
HYDRO-LH
Toro HYDRO-LH
Exmark HYDRO-LH
Toro left hand hydro assembly
Exmark left hand hydro assembly
Toro hydraulic assembly
Exmark hydraulic assembly
Toro hydraulic drive assembly
Exmark hydraulic drive assembly
Lazer Z left hand hydro
Z Master 3000 left hand hydro
LH hydro assembly
Left hand hydraulic drive assembly

Important Fitment Note

Toro / Exmark 135-7901 is a left hand hydro assembly. Many Toro and Exmark commercial mowers use different hydro assemblies depending on model, serial number range, engine option, deck size, 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 135-7901 an OEM part?

Yes. Toro / Exmark 135-7901 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 135-7901 fit?

This hydro assembly is commonly used on select Exmark Lazer Z E-Series models, plus select Toro Z Master 3000 Series commercial mower applications.

Does 135-7901 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 assemblies and commercial mower parts to help keep Lazer Z and Z Master equipment running properly.