800849 CUMMINS Qsk Tier Block

Review CUMMINS Qsk 50 Tier Block Machined And Ready To Install. Bore 0.010

The Cummins QSK50 Tier 0.010 800849 is a high-performance marine engine block specifically designed for commercial and recreational applications. This engine block is part of Cummins QSK50 series, known for their robustness and reliability in powering large boats and work vessels.

The 800849 block is made of high-strength, cast iron material, ensuring durability and resistance to the harsh marine environment. It features a modern, compact design that allows for easier installation and maintenance. The engine block is also equipped with a wet-liner configuration, which increases cooling efficiency and reduces the risk of thermal damage.

This Cummins 800849 engine block is designed to accommodate a 500 horsepower, turbocharged, six-cylinder diesel engine. It comes with a factory-machined deck surface, making it easier for customers to install and align the engine components. The block also features a precision-machined crankshaft bore, ensuring a perfect fit and a long-lasting engine.

Additionally, the 800849 block features a wet-sump oiling system, which is known to provide better lubrication and reduce the risk of oil starvation. The oil pan is designed to hold an ample amount of oil, providing adequate lubrication to the engine even during heavy loads.

The Cummins 800849 QSK50 Tier 0.010 engine block is manufactured to meet the highest standards of quality and performance. It is backed by Cummins' industry-leading warranty, ensuring peace of mind for customers. Whether used in commercial or recreational applications, this engine block is sure to provide reliable and efficient power for years to come.

A Detailed Analysis of Buying Cummins QSK50 Tier 0.010 Block 800849

The Cummins QSK50 Tier 0.010 Block 800849 is a crucial component in the functioning of Cummins engines. This component is designed to meet the stringent emission regulations set by the Environmental Protection Agency (EPA). In this analysis, we will discuss the pros and cons of buying this Cummins part.

1. Emission Compliance: The primary reason for buying this component is to ensure that your Cummins engine complies with the emission regulations. The QSK50 Tier 0.010 Block 800849 is designed to meet the latest emission standards, ensuring that your engine operates efficiently while minimizing harmful emissions.

2. Improved Engine Performance: This component is responsible for fuel injection in the engine. The latest design of this block improves fuel atomization, leading to better combustion and improved engine performance.

3. Durability: Cummins is known for its durability and reliability, and this component is no exception. The QSK50 Tier 0.010 Block 800849 is built to withstand the rigors of heavy-duty applications, ensuring that your engine runs smoothly for an extended period.

4. Availability: This component is widely available from authorized Cummins dealers and aftermarket suppliers. You can easily find this part from various sources, ensuring that you can get it when you need it.

1. Cost: The QSK50 Tier 0.010 Block 800849 is a high-performance component, and the cost reflects its advanced design and functionality. The price of this component may be a significant investment for some users.

2. Complex Installation: The installation of this component requires specialized knowledge and tools. It is recommended that you have this component installed by a qualified technician to ensure proper installation and functioning.

3. Potential for Counterfeit Parts: The popularity of this component has led to an increase in counterfeit parts in the market. It is essential to ensure that you purchase this part from a reputable dealer to avoid the risk of installing a counterfeit part.

The Cummins QSK50 Tier 0.010 Block 800849 is a crucial component in ensuring that your Cummins engine meets the latest emission standards while delivering improved performance. While the cost may be a significant investment, the durability, availability, and performance benefits make it a worthwhile investment for heavy-duty applications. However, it is essential to ensure that you purchase this part from a reputable dealer to avoid the risk of installing a counterfeit part, and to have it installed by a qualified technician to ensure proper functioning.

We recommend purchasing the Cummins QSK50 Tier 0.010 Block 800849 from an authorized Cummins dealer or a reputable aftermarket supplier. Ensure that the part comes with a valid warranty and is installed by a qualified technician to ensure proper functioning and to minimize the risk of any potential issues.

Details:

I have multiple blocks machined and ready to ship. The blocks are guaranteed to be 100% ready install. These blocks are completely ready for install. Each blocks has about 10k in machine work each.

This listing is for one of them only. The customer bought these and decided to sell them instead of building.

specifications engineblocksam:

• brand: Cummins
• mpn: 800849
• type: Engine Block
• oe/oem part number: Qsk50 Tier 4

shipping engineblocksam:

• type: calculated
• class: standard
• carrier: usps
• transit: 4-10 days
• service: usps ground advantage

seller engineblocksam:

• # reviews: 5
• city: midlothian, texas
• rating: 0.0%

payments engineblocksam:

• credit card: discover
• other
• wallet: apple-pay

offer engineblocksam:

• availability: in stock
• prices: $70.40–$7500.00
• item condition:
  • Used
  • New
• in stock #: 5
• started: october 25, 2025
• sold #: 12
• best offers: true
• options: ship-to-home

returns engineblocksam:

• policy: no returns

general engineblocksam:

• category: Auto Parts > Car Truck Accessories > Engines > Blocks