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In stock
6BT Belt Tensioner OEM 3922900 Diesel Engine Replacement Spare Parts for Cummins
MOQ
Our MOQ 1PC or 1 Set
Shipping
For in-stock items, please allow 3–5 business days; for items not currently in stock, please confirm shipping details with a sales representative.
Return Policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
PARTS DESCRIPTION
Product Overview
Belt-drive components transfer crankshaft rotation to engine accessories, making belt length, rib profile, and tensioner geometry important. The Belt Tensioner is supplied as a replacement solution for Cummins 6BT diesel engines and is intended for professional repair, maintenance, or rebuilding work.
When replacing this component, matching the application is more important than relying on appearance alone. Where a confirmed reference is available, the supplied part number can be used together with the engine information to check compatibility before shipment.
Product Information
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Product: Belt Tensioner
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Engine Model: 6BT
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Part Number: 3922900
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Brand: ipartkits
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Compatible With: For Cummins 6BT Engine
Why This Part Matters
The correct belt must match the pulley path, length, width, and profile. Tensioners must also match the mounting position and working range. A visually similar belt or tensioner may not fit the same drive layout.
For kits, included items can vary by configuration. The part number and engine accessory arrangement should be confirmed before ordering.
Key Features
- Designed for the corresponding engine accessory-drive layout
- Application-specific belt or tensioner configuration
- Suitable for routine maintenance and accessory-drive repair
- Part-number matching support before shipment
- Individual components or related drive parts can be supplied
- Compatibility checking from numbers and photos
Fitment & Ordering Note
Belts and tensioners may vary by length, width, rib profile, pulley layout, and engine version. Please confirm the part number before ordering.
Related Engine Parts
Matching belt tensioners, idlers, pulleys, alternators, fans, and other accessory-drive components may also be available.
Why Choose
From individual replacement components to broader engine repair sourcing, supports customers with part-number verification, technical communication, and worldwide shipping. MOQ 1 is available for many items, making it practical to source both single repair parts and mixed orders. Anti-counterfeit verification and responsive matching support are also available for products.
Need Help Confirming Fitment?
Not sure whether this part matches your application? Provide the part number, engine nameplate information, or product photos for compatibility checking.