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OE Number: 2873974
Sku: C2873974

Genuine Cummins 2873974 Belt for N14, K38, and QSZ13 Engines

Name: Genuine Cummins 2873974 Belt for N14, K38, and QSZ13 Engines
Brand: Megawatts
SKU: XCMB121A008
Price: 34.02 USD
Availability: InStock

$34.02

100% Original Part – Not an aftermarket substitute

Shipped in “Megawatts” Protective Packaging

Manufacturer: Cummins

The Order Will Be Dispatched Within 2 Business Days

Every Order Comes With a 90-day Return

This Product Ships From China

The Estimated Arrival Time is 45 to 60 Days

Stock: Out of Stock

Notify Me When Available

The item ships from China about 45-60 days to deliver

Product Details

The 2873974 Cummins Belt is compatible with the following engine power models:
Cummins: N14, K38, QSZ13
Note: Please confirm that your engine model is compatible before purchasing. You can also contact customer service for assistance at any time.

Features
1.100% Genuine Cummins Part: Authentic OEM belt designed specifically for the tension and torque requirements of Cummins N14, K38, and QSZ13 platforms.
2.Extreme Temperature Resilience: Engineered to operate reliably in the high-heat environments of enclosed generator canopies and marine engine rooms.
3.Long-Term Durability: Resists oil, grease, and environmental wear, significantly reducing the risk of unexpected belt snaps and engine downtime.

Specification
Product Name: 2873974 Cummins Belt
Part Number: C2873974
Part Brand: Cummins
Status: Genuine
Item Dimension: 117*0.1*3.5 cm/46.06*0.04*1.38 in
Note: The dimensions are manually measured and may have slight variations.

Product Part Number

C2873974

Shipping and Warranty

Fast Shipping

The order will be dispatched within 2 business day, and the package will arrive within your order's estimated date. Please click Shipping Policy for more details.

Easy Return

Every order comes with a 90-day return. Please click Return Policy for more details.

Warranty Policy

All parts are qualified and tested by the strictest aftermarket-part standards. Please click Warranty Policy for more details.

Product Tags

Questions And Answers Of The Customers

What is the official function of the Cummins 2873974 belt?

The 2873974 is a high-performance V-ribbed belt engineered to transmit power from the engine crankshaft to critical accessory components such as the alternator, water pump, and air conditioning compressor.
Why is the "V-Ribbed" design superior to a traditional V-belt?

The V-ribbed (multi-rib) design provides a significantly larger surface area in contact with the pulleys. This allows for higher power transmission efficiency, better resistance to slippage under high-torque loads, and the ability to operate effectively on smaller diameter pulleys.
Why is it vital to use a "Genuine Cummins" branded belt?

Genuine Cummins belts are manufactured to strict material specifications regarding tensile strength, heat resistance, and rubber compound flexibility. Generic belts often lack the chemical durability to withstand the extreme under-hood temperatures and high-frequency vibrations of heavy-duty diesel engines.
How does pulley alignment impact the life of the 2873974 belt?

Misaligned pulleys create side-load stress. This causes uneven wear on the ribs, leading to premature belt failure and, more importantly, excessive stress on the bearings of the alternator or water pump, which can result in expensive component failure.