×
Description
120-4307 – Toro Genuine OEM Valve Keeper (Valve Lock) for Engines
The Toro 120-4307 Valve Keeper is a genuine OEM engine component designed to securely lock the valve spring retainer to the engine valve stem. This small but critical part helps maintain proper valve train operation by keeping the valve assembly securely in place during engine operation. Manufactured to Toro's original equipment specifications, the 120-4307 valve keeper provides the precise fit and durability required for dependable engine performance.
Built from hardened steel for long service life, this OEM valve keeper is commonly used in a wide range of Toro outdoor power equipment equipped with compatible engines. Replacing a worn or damaged valve keeper helps ensure proper valve timing, reliable compression, and smooth engine operation.
Key Features
-
Part Number: 120-4307
-
Brand: Toro
-
Part Type: Valve Keeper (Valve Lock)
-
Material: Hardened Steel
-
Function: Secures the valve spring retainer to the valve stem
-
OEM Part: Genuine Toro Original Equipment Manufacturer component
-
Installation: Direct-fit replacement for compatible Toro equipment
Compatible Equipment
The Toro 120-4307 Valve Keeper is used on numerous Toro products, including:
-
Toro Lawn Mowers
-
Toro Lawn Tractors
-
Toro Zero-Turn Mowers
-
Toro Snow Blowers
-
Toro Trenchers
-
Toro Chainsaws
-
Toro Brush Cutters
-
Toro Trimmers
-
Toro Engine Service Kits
-
Toro Twin-Cylinder Engines
-
Toro Lawn Tractor Accessories
Compatible with many Toro models, including (but not limited to):
-
TimeCutter Series
-
Titan HD Series
-
Titan ZX Series
-
Titan MyRide Series
-
Z Master Professional 2000 Series
-
Power Max Snow Blowers
-
Power Max Commercial Snow Blowers
-
Power TRX Commercial Snow Blowers
-
TRX-250 Trencher
-
Various Toro engine service kits utilizing LC1P92F1, 1P92F1, and 2P77F engines.
Who Is This For?
-
Homeowners maintaining Toro riding mowers and snow blowers
-
Commercial landscapers
-
Small engine repair shops
-
Outdoor power equipment technicians performing engine rebuilds or valve service
Property Size
Ideal for:
-
Residential properties
-
Large residential lots
-
Commercial landscapes
-
Municipal and institutional grounds
Pros
-
Genuine Toro OEM quality
-
Precision-machined hardened steel construction
-
Ensures proper valve spring retention
-
Maintains correct valve train operation
-
Direct replacement with factory fit
Cons
-
Must be installed during valve train service
-
Compatibility should always be confirmed using the equipment model number
Why Buy Genuine Toro OEM?
Unlike generic aftermarket valve keepers, the genuine Toro 120-4307 is manufactured to the exact specifications required for proper valve retention and long-term engine reliability. OEM components provide the correct dimensions, material hardness, and fit needed for dependable performance.
Why Buy from Barry's?
Barry's supplies genuine OEM Toro replacement parts backed by knowledgeable customer support, fast shipping, and dependable service. Every part is carefully sourced to help keep your Toro equipment operating at peak performance with the quality and reliability expected from original Toro components.

