Product Description
Up for sale is a genuine OEM Caterpillar Belt Tensioner Assembly manufactured by Caterpillar.
Item is new old stock. Original packaging may show shelf wear, dust, or handling marks from long-term storage. Unit itself is in excellent unused condition.
This automatic belt tensioner is designed to maintain proper belt load and alignment within engine accessory drive systems, reducing belt slip and extending component life.
Only items shown in photos are included.
Manufacturer: Caterpillar
Part Number: 271-5646
NSN: 2990-01-581-4100
Condition: New Old Stock (NOS)
Country of Manufacture: United States
Fitment / Applications
Used across multiple Caterpillar diesel engine and equipment platforms including but not limited to:
Caterpillar C7 Engines
Caterpillar C9 Engines
CAT Industrial Power Units
CAT Construction Equipment
CAT Generator Sets
Medium Duty Truck Engine Applications
Heavy Equipment Accessory Drive Systems
Common equipment applications may include:
Caterpillar Excavators
Wheel Loaders
Motor Graders
Dozers
Industrial Power Modules
On-Highway CAT Engine Installations
Fitment may vary by serial number and engine arrangement. Buyers are responsible for verifying compatibility using part number 271-5646 prior to purchase.
Key Features
Automatic spring-loaded belt tension control
OEM Caterpillar cast housing construction
Integrated pulley assembly
Maintenance-free design
Factory-balanced rotating component
19-1-3
