Name: Caterpillar (CAT) 300.9D Tension Rear Idler 373-1851 (Fit Caterpillar (CAT) 300.9D Mini Excavator)
Brand: FL Undercarriage
Price: 245.0 USD
Availability: InStock

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Caterpillar (CAT) 300.9D Tension Rear Idler 373-1851 (Fit Caterpillar (CAT) 300.9D Mini Excavator)

Basic Info.

Item Fit: Caterpillar (CAT) 300.9D
Item Condition: New
Item Weight: 26 lbs
Item Maker: FLundercarriage
Place of Origin: Quanzhou

Delivery Info.

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

Superior Aftermarket Tension Idler Assembly - Part Number 373-1851 for Caterpillar® Mini Excavators

Upgrade your mini excavator's stability and track tension with our top-grade aftermarket tension idler. This integral component of the undercarriage system is designed for select Caterpillar® mini excavator models, providing reliable performance and maintenance ease.

Confirmed Fit for Specific Models:

Cat® 300.9D (Serial Number: LJM, LJ2)
Cat® 300.9D VPS (Serial Number: TGP, DW2)

Function of the Tension Idler:

Located opposite the sprocket end of the undercarriage.
Maintains proper track tension to prevent track slippage or de-tracking.
A worn idler may cause the rubber track to frequently slip off, indicating the need for a replacement.

Caterpillar® Part Numbers:

Official Dealer Part Number: 373-1851
Alternative Dealer Part Number: 527-3879

Idler Compatibility:

Specifically crafted to replace both 373-1851 and the newer 527-3879 idler assemblies.
Ensured fit for the listed serial numbers without the need for alternate parts.

Further Undercarriage Components for Cat 300.9D:

Tension Idler: Part Number 373-1851
Bottom Roller: Part Number 527-3878
Rubber Track: Part Number 367-4063

Our aftermarket idler is engineered to support the undercarriage of your Cat® 300.9D and 300.9D VPS mini excavators efficiently. It's paramount to replace your idler promptly for optimum traction and to protect against track displacement. Please ensure compatibility by validating your excavator's serial number before proceeding with your purchase.

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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.