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133-9269
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133-8677
$15.99
Toro 42" TimeCutter 724 cc Mower Model# 77404
$3,599.00
$3,999.00
Toro 30 in TurfMaster® HDX Model 22215
$3,110.00
99-4627
$164.99
9264664
$1.73
82-2190
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46-8091
$3.59
33-3090
$7.70
163-7383 Belt-5V (1P) V-Belt
$155.99
147-7868
$550.99
147-1664 THROTTLE ASM (1P)
$61.99
147-0436
$6.49
145-3444
$45.99
133-9269
$4.49
133-8677
$15.99
Toro 42" TimeCutter 724 cc Mower Model# 77404
$3,599.00
$3,999.00
Toro 30 in TurfMaster® HDX Model 22215
$3,110.00
99-4627
$164.99
9264664
$1.73
82-2190
$13.99
46-8091
$3.59
33-3090
$7.70
163-7383 Belt-5V (1P) V-Belt
$155.99
147-7868
$550.99
147-1664 THROTTLE ASM (1P)
$61.99
147-0436
$6.49
145-3444
$45.99
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- TORO BRAND
- 138-1104 SPRING-EXTENSION (1P)
Description
138-1104 – Spring-Extension (1P) – Genuine Toro OEM Part
The Toro 138-1104 Extension Spring (1P) is a genuine Toro OEM tension spring designed to provide controlled return force and consistent tension in mower deck and drive system assemblies. This extension spring plays a critical role in maintaining proper belt tension, component positioning, and smooth mechanical operation during normal equipment use.
Manufactured to Toro original equipment specifications, the 138-1104 spring is built from high-strength spring steel to withstand repeated stretching, vibration, and outdoor operating conditions without losing tension.
Product Details
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Manufacturer Part Number: 138-1104
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Brand: Toro
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Part Name: Spring – Extension
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Series / Code: 1P
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Part Type: Tension / Return Spring
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OEM Status: Genuine Toro OEM
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Condition: New
Key Features
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Maintains consistent tension and return force
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High-strength spring steel for long service life
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Designed to resist fatigue and deformation
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Supports proper belt tracking and component alignment
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Direct-fit OEM replacement with no modification required
Compatibility
The Toro 138-1104 Extension Spring is used on select Toro lawn mowers and zero-turn mower assemblies, commonly within mower deck, idler arm, or belt tensioning systems.
Typical applications include:
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Toro mower deck belt tension systems
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Idler arm and linkage assemblies
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Lawn and turf equipment using 1P-series extension springs
