HUSQVARNA 503920801 Crankshaft 136/137/141/142

( Brand: Husqvarna ), ( Manufacturer Part Number: 503920801 ), ( Type: Crankshaft ), ( Compatible Brand: For Husqvarna ), ( Engine Type: 2-stroke ), ( Power Source: Gasoline ), ( Color: Silver ), ( Compatible Model: For Husqvarna 136, For Husqvarna 137, For Husqvarna 141, For Husqvarna 142 ), ( Material: Plastic, Steel ), ( Compatible Product: Chainsaw )

Review HUSQVARNA Genuine 136/137/141/142 Crankshaft Assembly Oem Used

The Husqvarna 503920801 crankshaft is a crucial component of Husqvarna's small engine line, specifically designed for use in their 136, 137, 141, and 142 series engines. This crankshaft is manufactured with exceptional precision and rigor, ensuring optimal engine performance and longevity.

This crankshaft is forged from high-strength steel, providing the necessary strength and durability to withstand the rigors of continuous use. Its precision-machined surfaces ensure a perfect fit, minimizing wear and reducing the need for frequent maintenance.

The crankshaft's design incorporates a balanced rotating mass, significantly reducing vibration and improving engine smoothness. Its precision-machined crankpin bearings provide a snug fit, reducing friction and ensuring efficient power transfer from the crankshaft to the piston.

The Husqvarna 503920801 crankshaft features a single-main-bearing design, which increases engine rigidity and reduces power loss due to bearing friction. This design also allows for easier servicing and maintenance, as the main bearing can be accessed without having to remove the engine from the machine.

This crankshaft is designed to meet or exceed the industry's highest standards for quality and reliability. It is backed by Husqvarna's commitment to providing their customers with top-performing, long-lasting components. Whether you're using this engine for lawn care, agriculture, or construction, you can trust the Husqvarna 503920801 crankshaft to deliver consistent, reliable performance.

In summary, the Husqvarna 503920801 crankshaft is a high-quality, precision-machined component that provides the necessary strength, durability, and performance for Husqvarna's 136, 137, 141, and 142 series engines. Its single-main-bearing design reduces vibration, improves engine smoothness, and simplifies maintenance, making it an essential upgrade for any Husqvarna engine user.

The Husqvarna 503920801 crankshaft is a replacement part for Husqvarna lawnmowers with models 136, 137, 141, and 142. Replacing a worn-out or damaged crankshaft can help improve the performance and longevity of the mower. In this response, we will discuss the pros and cons of buying this crankshaft to help you make an informed decision.

1. Improved Engine Performance: A new crankshaft can help improve the engine performance of your Husqvarna lawnmower. A worn-out crankshaft can cause engine misfires, rough idling, and poor acceleration. Replacing the crankshaft can address these issues and help your mower run more smoothly.

2. Extended Mower Life: A worn-out or damaged crankshaft can lead to more significant engine problems if not replaced in a timely manner. By replacing the crankshaft, you can prevent more expensive repairs down the line and extend the life of your Husqvarna lawnmower.

3. Easy Installation: The Husqvarna 503920801 crankshaft is designed to be an easy replacement. The installation process is straightforward, and the part comes with clear instructions to guide you through the process.

1. Cost: Replacing a crankshaft can be an expensive repair, especially if you are not doing it yourself. The cost of the Husqvarna 503920801 crankshaft, along with the cost of any additional tools or labor, can add up.

2. Potential for Damage: During the installation process, there is a risk of damaging other components of the engine if not done correctly. It is essential to follow the instructions carefully to avoid any potential damage.

3. Availability: Depending on the availability of the part in your local area, you may have to wait for the crankshaft to be shipped to you. This can delay the repair process and leave you without a functioning mower for an extended period.

The Husqvarna 503920801 crankshaft is an essential replacement part for Husqvarna lawnmowers with models 136, 137, 141, and 142. While the cost and potential for damage during installation are concerns, the improved engine performance and extended mower life make it a worthwhile investment. If you are experiencing issues with your Husqvarna lawnmower's engine performance, it is worth considering replacing the crankshaft to help address these issues and prevent more significant repairs down the line.

If you are experiencing engine performance issues with your Husqvarna lawnmower and have determined that the crankshaft is the cause, we recommend purchasing the Husqvarna 503920801 crankshaft to help improve the performance and longevity of your mower. Be sure to follow the installation instructions carefully to avoid any potential damage during the installation process. If you are not confident in your ability to install the crankshaft yourself, consider hiring a professional to do it for you to ensure a proper installation and avoid any potential damage to other engine components.

Details:

Husqvarna Genuine 136 137 141 142 Crankshaft Assembly. Packaging: Original packaging may not be included, especially for take-off items. Items may be repackaged for shipping. Other Services: If you would like a faster shipping option, please purchase your preferred method .e.

Item Disclosure - Used Items Only. Parts may fit multiple model's. Condition: Item may show signs of wear, cosmetic marks, or previous use.

Condition: Item is new and unused in regular operation, but may be a take-off from machine. Cross check part numbers and confirm fitment prior to purchase. Bearings and oil seals included. Great condition.

Whats Included?: Items are sold as shown and described. Shipping Disclosure. Please review all photos and the listing carefully to understand what is included. However, not all imperfections, accessories, or components may be shown included.

USPS Priority Mail, UPS, or FedEx at the time of purchase.

part #: 503920801 prices

• $28.90-$45.64

specifications sawpancho:

• brand: Husqvarna
• mpn: 503920801
• type: Crankshaft
• compatible brand: For Husqvarna
• engine type: 2-stroke
• power source: Gasoline
• color: Silver
• compatible model: For Husqvarna 136, For Husqvarna 137, For Husqvarna 141, For Husqvarna 142
• material: Plastic, Steel
• compatible product: Chainsaw

shipping sawpancho:

• class: Standard, Expedited, One-day, Economy
• carrier: USPS, FedEx, UPS
• cost: $9.13
• transit: 4-10 Days
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Standard Overnight, UPS Ground Saver
• type: Calculated

seller sawpancho:

• city: Willards, Maryland
• rating: 100.0%
• # reviews: 1631

payments sawpancho:

• wallet: Paypal
• other
• credit card: Visa

general sawpancho:

• condition: Used
• Yard, Garden Outdoor Living > Outdoor Power Equipment > Chainsaw Parts

returns sawpancho:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

offer sawpancho:

• sold: 0
• availability: In Stock
• quantity: 1
• options: Ship-to-home
• started: December 23, 2025

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