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  3. CUMMINS 4955851

CUMMINS 4955851 Spark Plung

4937472 Cummins 4955851 New Oem Spark Plung

( Brand: Cummins ), ( Manufacturer Part Number: 4955851 ), ( Type: Spark Plung ), ( Country Of Origin: United States )

Review CUMMINS New Oem Spark Plung

Introducing the Cummins 4955851 Spark Plug, a high-performance component engineered to deliver superior ignition and prolong engine life. This spark plug is specifically designed for use in heavy-duty applications, making it an ideal choice for commercial vehicles, construction equipment, and other industrial applications.

The Cummins 4955851 Spark Plug features a nickel alloy center electrode that ensures excellent conductivity and durability. Its unique design promotes efficient combustion and reduces fuel consumption, leading to improved engine performance and increased fuel economy. The ground electrode is made of copper, which is known for its excellent conductivity and resistance to wear, ensuring reliable ignition even under heavy load conditions.

This spark plug also includes a porcelain insulator that provides excellent insulation and protects against high voltages. The insulator is also designed with a tapered thread to ensure a secure fit in the engine cylinder head. The plug's insulator nose is reinforced to prevent damage during installation and removal.

The Cummins 4955851 Spark Plug is designed to meet or exceed OEM specifications, ensuring a perfect fit and optimal performance. It comes with a heat range suitable for heavy-duty applications, allowing for efficient combustion and reduced engine wear. The plug's long service life reduces the need for frequent replacements, saving you time and money in the long run.

In summary, the Cummins 4955851 Spark Plug is a high-quality component designed to provide excellent ignition and prolong engine life in heavy-duty applications. Its nickel alloy center electrode, copper ground electrode, and porcelain insulator ensure efficient combustion, reliable ignition, and excellent insulation. With its long service life and OEM specification compliance, this spark plug is an excellent investment for anyone seeking optimal engine performance and reduced maintenance costs.

Cummins 4955851 Spark Plung: A Comprehensive Analysis

The Cummins 4955851 Spark Plug is a crucial component in the functioning of Cummins engines. It is responsible for generating the spark needed to ignite the fuel in the engine cylinders. In this analysis, we will discuss the pros and cons of buying this spark plug to help you make an informed decision.

Pros:

1. High-Quality Material: The Cummins 4955851 Spark Plug is made of high-quality materials, including iridium tip, nickel alloy center electrode, and a durable porcelain insulator. This ensures long-lasting performance and reliability.

2. Improved Fuel Economy: The advanced design of this spark plug helps to improve the combustion process, resulting in increased fuel efficiency.

3. Enhanced Engine Performance: The precise spark timing provided by the Cummins 4955851 Spark Plug contributes to better engine performance, including increased power output and reduced emissions.

4. Reduced Maintenance Costs: Due to its long lifespan, this spark plug can help reduce the overall maintenance costs of the engine.

5. OEM Replacement: This spark plug is a direct OEM replacement for Cummins engines, ensuring a perfect fit and compatibility.

Cons:

1. Higher Price Point: Compared to standard spark plugs, the Cummins 4955851 Spark Plug is more expensive. This may be a consideration for those on a tight budget.

2. Limited Availability: This spark plug may not be readily available at local auto parts stores and may need to be ordered online or from a Cummins dealership.

3. Installation Complexity: Installing this spark plug may require specialized tools and knowledge, making it a more involved process than installing a standard spark plug.

Conclusion:

The Cummins 4955851 Spark Plug offers several advantages, including improved engine performance, reduced maintenance costs, and long-lasting durability. However, its higher price point and limited availability may be drawbacks for some consumers. Ultimately, if you are looking for a high-performance spark plug that is specifically designed for Cummins engines, this may be an excellent investment for you.

Recommendation:

If you own a Cummins engine and are looking for a reliable, high-performance spark plug, the Cummins 4955851 Spark Plug is a strong recommendation. Its advanced design and superior materials make it an excellent choice for those who want to ensure optimal engine performance and longevity. However, be prepared for the higher cost and potential installation complexity.

Details:

part #: 4955851 prices

  • $60.00-$115.61

specifications rockeareng:

  • brand: Cummins
  • mpn: 4955851
  • type: Spark Plung
  • country of origin: United States

general rockeareng:

  • Engines Engine Parts > Valvetrain Components > Rocker Arms Parts
  • condition: New other see details

seller rockeareng:

  • # reviews: 322
  • rating: 100.0%
  • city: Tacoma, Washington

payments rockeareng:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

shipping rockeareng:

  • type: Calculated
  • class: Standard
  • cost: $0.00
  • carrier: USPS
  • service: USPS Ground Advantage
  • transit: 5-9 Days

offer rockeareng:

  • best offers: True
  • started: February 22, 2026
  • quantity: 2
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock

returns rockeareng:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
type: spark plung, country of origin: united states,
category: auto parts > engines engine parts > valvetrain components > rocker arms parts, sku: 13919495527289673,
Cummins 4955851 Is Similar To:
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5 offers $60.00–$115.61 USD
  • New other (see details). Offer #1 priced at $60.00 + $0.00 shipping estimate = $60.00* total. NEW OPEN BOX, PLS SEE ALL PICTURES.FREE SHIPPING
  • New. Offer #2 priced at $115.61 + $0.00 shipping estimate = $115.61* total. Part #: .FREE SHIPPING
  • New other (see details). Offer #3 priced at $95.87 + $0.00 shipping estimate = $95.87* total. FREE SHIPPING
  • Remanufactured. Offer #4 priced at $168.89 + $0.00 shipping estimate = $168.89* total. Fit for Cummins. 6 pcs Spark Plug 5473009/ Updated p/n 5633754 4309391 For Cummins.FREE SHIPPING
  • New – Open box. Offer #5 priced at $75.00 + $0.00 shipping estimate = $75.00* total. Cummins SPARK PLUG.FREE SHIPPING

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