4980639 Belt Tensioner 5287020 5267127
fits model: Cummins.
( Brand: 5287021 ), ( Manufacturer Part Number: 4980639 ), ( Part Type: Belt ), ( Country Of Origin: China ), ( Ipn: 5287020 ), ( Oem Part Numbers: Motorhome, Tractor, Kenworth, Semi, Vermeer, Tiger Cat, Cummins, Allis Chalmers, Combine, Harvester, Sprayer, Gleaner, Massey Ferguson, New Holland, D250, D350, W250, W350, 2500, 3500, 4500, 5500, Crane, Tadano, Hyster, Isb, Qsb, Qsc ), ( Oem Interchange: Ram, Dodge, Peterbilt, Ford, Blue Bird, International, Truck, Freightliner, Loader, Steiger, Power Unit, Water Pump, Fork, Marine, Genset, Agriculture, Industry, Case, Construction, John Deer, Generator, Tractor, Kenworth, Mack, Jcb, Forklift, Excavator, Bulldozer ), ( Oem Interchange Part Numbers: 4b, K38, K50, Qsm11, Ism11, Isx15, Qsx15, N855, N14, M11, Volvo, Gmc, B6.7, K19, Celect, Elctronic, Injection, Benze, Caterpillar, Detroit, Diesel, Ford Ln7000, Komatsu, Nt855, Big Cam ), ( Oem Interchange Part Numbers1: Freightliner Fl50, Freightliner Fl60, Freightliner Fl70, Freightliner Fl80, Freightliner Fs65, Freightliner Mt35, Freightliner Mt45, Freightliner Mt55, Freightliner Fc70, Ford Cf700, Ford F700, Isb, Qsb, White, Skid Steer, B3.9, Thomas, Small Cam, Cabover )
Review 5287021 Belt Tensioner For fits CUMMINS
Introducing the Cummins Replacement Belt Tensioner (Part Number: 5287021 4980639), a crucial component designed to ensure optimal performance and longevity of your Cummins engine. This precision-engineered belt tensioner is specifically designed to fit and function perfectly with the Cummins engine model that utilizes part number 5287020.
The 5287021 4980639 belt tensioner is meticulously manufactured to meet the highest standards of quality and durability. It features a robust and durable design, equipped with a precision-machined pulley and a high-strength tensioner arm to effectively control belt tension and maintain optimal engine operation.
The belt tensioner boasts a compact and sleek design, which not only enhances its aesthetic appeal but also allows for easy installation and accessibility during routine maintenance. Its smooth and corrosion-resistant finish ensures that it can withstand the harshest operating conditions, providing superior reliability and longevity.
This replacement belt tensioner is an exact fit for the OEM (Original Equipment Manufacturer) part it replaces, ensuring a seamless installation process. It is also engineered to work in perfect harmony with your engine's belts and other components, ensuring optimal performance and fuel efficiency.
By investing in the Cummins 5287021 4980639 belt tensioner, you can enjoy the peace of mind that comes with knowing that your engine is protected by a high-quality, reliable, and durable component. This replacement part is designed to outlast the original, providing you with long-term savings and superior performance.
In summary, the Cummins Replacement Belt Tensioner (Part Number: 5287021 4980639) is an essential upgrade for any Cummins engine, offering enhanced durability, superior performance, and the peace of mind that comes with knowing you're using a genuine and precise replacement part.
Buying a new belt tensioner for a Cummins engine with the part number 5287021 4980639 can be a necessary repair for maintaining the proper functioning of the engine's belts. Here are some potential pros and cons to consider before making the purchase.
Pros:1. Improved Engine Performance: A faulty or worn-out belt tensioner can lead to poor engine performance, such as misfiring or stalling. Replacing the part with a new one can help ensure that the engine belts are properly tensioned, leading to improved engine performance.
2. Preventing Further Damage: A worn-out or damaged belt tensioner can cause other engine components to wear out prematurely. By replacing the part, you can prevent further damage and save yourself from more expensive repairs down the line.
3. Peace of Mind: Replacing a worn-out belt tensioner with a new one can give you peace of mind, knowing that your engine is in good working order.
Cons:1. Cost: The cost of a new belt tensioner can add up, especially if you are not doing the repair yourself. Labor costs, shipping fees, and the cost of the part itself can add up.
2. Time: Replacing a belt tensioner can take some time, particularly if you are not doing the repair yourself. You may need to schedule an appointment with a mechanic or wait for the part to be shipped if you are ordering it online.
3. Potential for Additional Repairs: Replacing a belt tensioner can sometimes uncover other issues that need to be addressed. For example, if the belt tensioner was worn out due to a lack of engine oil, you may need to address that issue as well.
In conclusion, deciding to buy a new belt tensioner for a Cummins engine with the part number 5287021 4980639 depends on your specific circumstances. If you are experiencing poor engine performance or have been told by a mechanic that your belt tensioner is worn out, then replacing the part may be a necessary repair. However, if your engine is running well and the belt tensioner is in good condition, then it may be worth waiting to make the repair until it is absolutely necessary. Ultimately, the decision to buy a new belt tensioner is a matter of balancing the potential benefits against the costs and inconvenience. If you do decide to make the purchase, I would recommend buying from a reputable supplier to ensure that you are getting a high-quality part.
Details:
ITEMS Price for 1 PCs Warning: Cummins parts can be quite complex, and even the same engine model may use different. To avoid wasting time and money, we encourage you to carefully verify your Cummins Number before purchase.
part #: 4980639 prices
- $83.70-$104.99
specifications grokengines:
- for models: Cummins
- brand: 5287021
- mpn: 4980639
- part type: Belt
- country of origin: China
- ipn: 5287020
- oem part numbers: Motorhome, Tractor, Kenworth, Semi, Vermeer, Tiger Cat, Cummins, Allis Chalmers, Combine, Harvester, Sprayer, Gleaner, Massey Ferguson, New Holland, D250, D350, W250, W350, 2500, 3500, 4500, 5500, Crane, Tadano, Hyster, Isb, Qsb, Qsc
- oem interchange: Ram, Dodge, Peterbilt, Ford, Blue Bird, International, Truck, Freightliner, Loader, Steiger, Power Unit, Water Pump, Fork, Marine, Genset, Agriculture, Industry, Case, Construction, John Deer, Generator, Tractor, Kenworth, Mack, Jcb, Forklift, Excavator, Bulldozer
- oem interchange part numbers: 4b, K38, K50, Qsm11, Ism11, Isx15, Qsx15, N855, N14, M11, Volvo, Gmc, B6.7, K19, Celect, Elctronic, Injection, Benze, Caterpillar, Detroit, Diesel, Ford Ln7000, Komatsu, Nt855, Big Cam
- oem interchange part numbers1: Freightliner Fl50, Freightliner Fl60, Freightliner Fl70, Freightliner Fl80, Freightliner Fs65, Freightliner Mt35, Freightliner Mt45, Freightliner Mt55, Freightliner Fc70, Ford Cf700, Ford F700, Isb, Qsb, White, Skid Steer, B3.9, Thomas, Small Cam, Cabover
payments grokengines:
- credit card: Discover
- wallet: Google-pay
- other
seller grokengines:
- city: Santa Ana, California
- rating: 99.8%
- # reviews: 10784
offer grokengines:
- quantity: 1
- options: Ship-to-home
- sold: 0
- started: June 3, 2026
- availability: In Stock
general grokengines:
- Car Truck Parts Accessories > Engines Engine Parts > Engines
- condition: New
shipping grokengines:
- type: Fixed
- carrier: USPS, FedEx
- cost: $0.00
- transit: 4-9 Days
- service: USPS Ground Advantage, FedEx 2Day, FedEx Standard Overnight, USPS Priority Mail
- class: Standard, Expedited, One-day
returns grokengines:
- time: 30 Days
- paid by: Seller
- policy: Returns Accepted
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