MACK 668GB230A Crankshaft Gear 668GB21A

( Manufacturer Part Number: 668GB230A ), ( Type: Camshaft Gear ), ( Material: Steel ), ( Country Of Origin: United States )

Review MACK Crankshaft Gear Used

The Mack 668GB230A and 668GB21A crankshaft gears are essential components of heavy-duty diesel engines, specifically designed for Mack trucks. These gears are engineered to transmit power from the engine's crankshaft to the transmission, enabling the vehicle to move.

The Mack 668GB230A crankshaft gear is a part of Mack's Genesys Series engine, which is known for its robustness and durability. This gear is manufactured using high-quality materials, such as heat-treated steel, to ensure that it can withstand the extreme conditions and heavy loads associated with commercial vehicles. The gear's teeth are precision-machined to ensure a perfect fit with the engine's crankshaft and transmission input shaft, providing a smooth and efficient power transfer.

The Mack 668GB21A crankshaft gear, on the other hand, is designed for Mack engines with a different gear ratio. This gear also features heat-treated steel construction and precision-machined teeth to ensure reliable and efficient power transfer. The dimensions of both gears are carefully engineered to fit perfectly in the engine, minimizing any play or vibration that could negatively impact the vehicle's performance.

The Mack 668GB230A and 668GB21A crankshaft gears are designed to meet or exceed the demanding requirements of Mack trucks and commercial vehicles. They are built to last, with a focus on durability, reliability, and efficiency. These gears are an essential investment for any fleet operator or owner of a heavy-duty Mack truck, ensuring optimal performance and longevity for the vehicle.

When it comes time to replace the crankshaft gear on a Mack truck, it's important to use a genuine Mack part like the 668GB230A or 668GB21A. These parts are engineered to fit perfectly in the engine and provide the reliable and efficient power transfer that Mack trucks are known for. Using a non-genuine part could lead to poor performance, increased wear and tear on other engine components, and even potential safety hazards.

In summary, the Mack 668GB230A and 668GB21A crankshaft gears are essential components of Mack heavy-duty diesel engines, designed to transmit power efficiently and reliably from the engine's crankshaft to the transmission. These gears are manufactured using high-quality materials and precision-machined teeth, ensuring a perfect fit and smooth operation. They are built to last, providing optimal performance and longevity for Mack trucks. When it comes time to replace the crankshaft gear, using a genuine Mack part is essential for maintaining the vehicle's performance and safety.

The Mack 668GB230A and 668GB21A crankshaft gears are crucial components in heavy-duty diesel engines, and their selection can impact engine performance and longevity. Here are some pros and cons associated with purchasing these Mack crankshaft gears:

1. Enhanced durability: The Mack 668GB230A crankshaft gear is known for its robust design and high-quality materials, ensuring it can withstand the heavy loads and stresses typically encountered in commercial vehicles.

2. Improved efficiency: This crankshaft gear is designed to reduce friction between the engine components, leading to improved engine efficiency and better fuel economy.

3. OEM compatibility: As an original equipment manufacturer (OEM) part, the Mack 668GB230A crankshaft gear is guaranteed to fit perfectly in Mack engines and ensure optimal engine performance.

1. Cost: The Mack 668GB230A crankshaft gear is a premium part and can be more expensive compared to aftermarket alternatives.

2. Limited availability: This part may not be readily available from all distributors or repair shops, which could lead to longer downtime for vehicle repairs.

1. Cost-effective: The Mack 668GB21A crankshaft gear is typically less expensive compared to the OEM Mack 668GB230A. This can be an attractive option for those on a budget or for fleets with large numbers of vehicles requiring maintenance.

2. Widely available: Aftermarket parts like the Mack 668GB21A are more commonly available from various suppliers and repair shops, reducing the downtime for vehicle repairs.

1. Potential compatibility issues: Aftermarket parts may not fit as perfectly as OEM parts, potentially leading to engine performance issues or increased wear and tear.

2. Lower quality: In some cases, aftermarket parts may not be manufactured to the same standards as OEM parts, which could result in shorter lifespan or reduced performance.

When deciding between the Mack 668GB230A and 668GB21A crankshaft gears, it is essential to weigh the pros and cons of each option based on your specific needs and circumstances. If prioritizing optimal engine performance, OEM parts like the Mack 668GB230A are recommended, despite their higher cost and limited availability. Alternatively, if budget is a major concern, the Mack 668GB21A aftermarket crankshaft gear is a cost-effective solution, though potential compatibility and quality concerns should be carefully considered. Ultimately, the best choice will depend on your unique situation and priorities.

Details:

The Mack 668GB21A Crankshaft Gear is a high-quality camshaft gear made of durable steel, designed specifically for engines. Manufactured in the USA, this gear is a reliable and essential component for maintaining proper engine function.

part #: 668gb230a prices

• $200.00-$499.99

specifications cashalif:

• for makes: Mack
• mpn: 668gb230a
• type: Camshaft Gear
• material: Steel
• country of origin: United States

offer cashalif:

• best offers: True
• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: May 2, 2026

seller cashalif:

• city: Gillespie, Illinois
• # reviews: 2495
• rating: 99.6%

payments cashalif:

• other
• credit card: Discover
• wallet: Paypal

shipping cashalif:

• type: Calculated
• carrier: USPS
• class: Standard
• transit: 4-10 Days
• service: USPS Ground Advantage
• cost: $25.40

general cashalif:

• condition: Used
• Engines Engine Parts > Valvetrain Components > Camshafts

returns cashalif:

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

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