Name: Caterpillar (CAT) 303.5 303CR Rear Idler (Fit Caterpillar (CAT) 303CR Mini Excavator)
Brand: FL Undercarriage
Price: 475.0 USD
Availability: InStock

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Caterpillar (CAT) 303.5 303CR Rear Idler (Fit Caterpillar (CAT) 303CR Mini Excavator)

Basic Info.

Item Fit: Caterpillar (CAT) 303CR
Item Condition: New
Item Weight: 52 lbs
Item Maker: FLundercarriage
Place of Origin: Quanzhou

Delivery Info.

Inventory Class: Standing
Packaging: Carton/Pallet
ETD: 24-72 Hours
ETA: 5-30 Days

Replacement Aftermarket Rear Tension Idler Assembly for Cat Mini Excavators - Part Number 172-2100

Enhance the functionality of your Cat mini excavator with our premium aftermarket rear tension idler assembly. Designed specifically for select Cat models, this component is crucial for maintaining the tension of your rubber track, ensuring efficient operation.

Compatible Cat Mini Excavator Models:

Cat 303.5
Cat 303CR

Assembly Details:

Location: Installed at the end of the undercarriage opposite the sprocket, this idler plays a key role in tightening the rubber track by expanding outwards as grease is pumped into the tensioner.
Common Name: Often referred to as the larger roller or pulley due to its function and appearance.
Cat® Dealer Part Number: 172-2100

Guaranteed Fit for Models:

Specifically known to fit Cat® 303.5 and Cat® 303CR models, ensuring a seamless installation process.

Cat 303.5 Undercarriage Components:

Idler Options: 140-4009 or 172-2017 (Serial and specifications verification required)
Rear Idler: 172-2100
Sprocket: 172-1965
Top Roller: 146-6064
Bottom Roller: 185-7280

This aftermarket rear tension idler assembly is the ultimate solution for maintaining the efficiency and performance of your Cat mini excavator's undercarriage. Ensure the longevity and reliability of your equipment by choosing our high-quality, compatible parts.

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Why Choose FL Undercarriage

20+ Years Experience
100+ Dealers Globally
300000+ stock Keeping units
50000000+ USD Annual sales

Product Range

Our idlers are built for durability and smooth operation, reducing wear and tear on your machinery. Made from high-grade steel, they ensure long-lasting performance in tough environments. Easy to install and maintain, these idlers keep your equipment running efficiently.

Machinery brands our parts are suitable for Bobcat, Caterpillar, Case, Doosan, GEHL, Hitachi, Hyundai, IHI, Kubota, Kobelco, Komatsu, Pel-Job, Takeuchi, Volvo etc.