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  3. BLK PRO 5338710

BLK PRO 5338710 Cylinder Head Isb 3977221 6.7 5338709

fits model: Cummins.

5338709 Blk Pro 5338710 Cylinder Head For Cummins Isb 6.7 3977221

( Brand: Blk Pro ), ( Manufacturer Part Number: 5338710 ), ( Part Type: Cylinder Head ), ( Superseded Part Numbe: 5338709 ), ( Oem Part Numbers: Motorhome, Tractor, Kenworth, Semi, Vermeer, Tiger Cat, Cummins, Allis Chalmers, Combine, Harvester, Sprayer,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, 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, Cat, Diesel, Ford Ln7000, Komatsu, Nt855, Big Cam ), ( Oem Interchange Part Numbers 1: 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 ), ( Country Of Origin: China ), ( Ipn: 3977221 )

Review BLK PRO Cylinder Head For Isb 6.7 fits CUMMINS

Introducing the Pro 5338710 Cylinder Head, a top-tier solution designed specifically for the Cummins ISB 6.7 liter engine with the part number 3977221. This cylinder head is an excellent choice for those seeking superior performance and reliability for their heavy-duty vehicle or machinery.

The Pro 5338710 Cylinder Head is meticulously engineered to meet OEM specifications, ensuring a perfect fit and seamless integration with your engine. Each component undergoes rigorous testing to ensure optimal engine efficiency and longevity.

One of the standout features of this cylinder head is its advanced cooling system. The carefully designed cooling passages and high-performance cooling fins help maintain optimal engine temperature, even under heavy loads. This results in reduced engine wear, improved fuel economy, and increased power output.

The Pro 5338710 Cylinder Head also boasts updated valve train components, including new valves, springs, and retainers. These upgrades provide improved valve control and sealing, resulting in better combustion efficiency and reduced emissions.

The cylinder head is also machined to the highest tolerances for optimal cylinder bore finish and piston ring seal. This ensures a perfect fit between the piston rings and cylinder bore, reducing the risk of blow-by and minimizing oil consumption.

Additionally, the Pro 5338710 Cylinder Head comes with new, high-quality head gaskets that provide excellent sealing and prevent coolant and oil leakage. These gaskets are designed to withstand the high pressures and temperatures of the heavy-duty engine, ensuring reliable operation for thousands of miles.

In summary, the Pro 5338710 Cylinder Head is a premium solution for those seeking maximum performance and reliability from their Cummins ISB 6.7 liter engine. With its advanced cooling system, updated valve train components, precise machining, and high-quality gaskets, this cylinder head delivers unmatched engine efficiency, power output, and longevity.

Pros and Cons of Buying a Cylinder Head (Part Number: 5338710) for Cummins ISB 6.7 3977221

Introduction:

The Cummins ISB 6.7 engine is a popular choice for heavy-duty applications, and replacing a cylinder head can be a significant investment. One option for a replacement cylinder head is the 5338710 part number by an aftermarket manufacturer. In this article, we will discuss the potential advantages and disadvantages of purchasing this particular cylinder head.

Pros:

1. Cost-effective: The aftermarket cylinder head is generally less expensive than the OEM (Original Equipment Manufacturer) counterpart. This can be an attractive option for those looking to save on repair costs.

2. Availability: Aftermarket parts are often more readily available than OEM parts, allowing for a quicker turnaround time for repairs.

3. Compatibility: The 5338710 cylinder head is specifically designed for the Cummins ISB 6.7 engine and should fit and function correctly.

4. Performance: Some aftermarket manufacturers claim that their cylinder heads offer improved performance compared to the OEM version. This can be an appealing factor for those seeking increased power or efficiency.

Cons:

1. Quality concerns: Aftermarket parts may not meet the same quality standards as OEM parts. This can lead to potential issues with durability, reliability, or fitment.

2. Warranty: OEM parts typically come with a warranty from the manufacturer, whereas aftermarket parts may not offer the same level of protection.

3. Compatibility issues: While the 5338710 cylinder head is designed to fit the Cummins ISB 6.7 engine, there is still a chance for compatibility issues that could lead to additional expenses and frustration.

4. Lack of support: Aftermarket manufacturers may not offer the same level of customer support as OEMs, making it more difficult to address any potential issues that arise.

Conclusion:

When considering the purchase of a cylinder head (part number: 5338710) for a Cummins ISB 6.7 engine, it's essential to weigh the advantages and disadvantages carefully. The aftermarket option offers cost savings, availability, and potential performance benefits. However, there are concerns regarding quality, warranty, compatibility, and support that must be taken into account. Ultimately, the decision to buy an aftermarket cylinder head depends on your specific needs, budget, and risk tolerance. If you prioritize reliability, durability, and peace of mind, it may be worth investing in an OEM cylinder head. Otherwise, the aftermarket option could be a more cost-effective solution.

Recommendation:

If you decide to proceed with an aftermarket cylinder head, be sure to do your research and choose a reputable manufacturer with a proven track record for producing high-quality parts. Additionally, consider purchasing from a trusted retailer that offers a generous return policy to minimize the risk of compatibility issues. Finally, be prepared for the possibility of additional expenses related to potential repairs or upgrades.

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.

specifications grokengines:

  • for models: Cummins
  • brand: Blk Pro
  • mpn: 5338710
  • part type: Cylinder Head
  • superseded part numbe: 5338709
  • 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, 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, Cat, Diesel, Ford Ln7000, Komatsu, Nt855, Big Cam
  • oem interchange part numbers 1: 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
  • country of origin: China
  • ipn: 3977221

returns grokengines:

  • paid by: Buyer
  • policy: Returns Accepted
  • time: 30 Days

offer grokengines:

  • quantity: 1
  • sold: 0
  • availability: In Stock
  • started: April 24, 2026
  • options: Ship-to-home

general grokengines:

  • Car Truck Parts Accessories > Engines Engine Parts > Engines
  • condition: New

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seller grokengines:

  • rating: 99.8%
  • # reviews: 10321
  • city: Irvine, California

shipping grokengines:

  • transit: 26-40 Days
  • type: Fixed
  • service: FedEx Ground / FedEx Home Delivery
  • carrier: FedEx
  • class: Standard
  • cost: $29.99
for models: cummins, part type: cylinder head, superseded part numbe: 5338709, 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, 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, cat, diesel, ford ln7000, komatsu, nt855, big cam, oem interchange part numbers 1: 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, country of origin: china,
category: auto parts > car truck parts accessories > engines engine parts > engines, sku: 8020299474184853,

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