NAPA 6304M Engine Bearings International Tractor MS1197P D155 D173

( Brand: Napa ), ( Part Type: Bearing Engine ), ( Manufacturer Part Number: 6304M ), ( Ipn: Ms1197p )

Review NAPA Engine Main Bearings International Tractor fits STD

Introducing the NAPA 6304M Engine Bearings, a high-quality replacement option for standard international tractors with engines modeled as D155 and D173. These engine bearings are engineered to meet or exceed OEM specifications, ensuring reliable performance and longevity.

The NAPA 6304M Engine Bearings are designed using premium materials, such as engineered steel and high-tensile alloys, to provide superior strength and durability. Each bearing is precision-machined to ensure a perfect fit and optimal clearance for smooth engine operation. This results in reduced noise, vibration, and wear, allowing your engine to run more efficiently and effectively.

These bearings feature a split-roller design, which provides excellent load capacity and reduces friction between moving parts. Additionally, they have a double-lip seal design that helps prevent oil leaks and contamination, maintaining the cleanliness of your engine and extending its lifespan.

The NAPA 6304M Engine Bearings come in a set, including both upper and lower main bearings, as well as front and rear crankshaft bearings. This ensures that you receive all the necessary components to complete a full engine bearing replacement, making it a convenient and cost-effective solution for your tractor maintenance needs.

Installation of the NAPA 6304M Engine Bearings is straightforward, thanks to their precision engineering and easy-to-follow instructions. However, we always recommend having a qualified mechanic or professional install these parts to ensure proper installation and to maintain the warranty.

In summary, the NAPA 6304M Engine Bearings are the perfect solution for standard international tractors requiring a replacement set of engine bearings. They offer superior strength, durability, and performance, ensuring your tractor continues to run smoothly and efficiently.

NAPA 6304M Engine Bearings for International Tractor D155 D173: A Comprehensive Analysis

The NAPA 6304M engine bearings are a popular choice for those seeking to replace the bearings in their International Harvester tractors, specifically models D155 and D173. These bearings come with standard international specifications. In this analysis, we will discuss the key pros and cons of purchasing these bearings to help you make an informed decision.

1. Widely available: NAPA 6304M engine bearings are readily available at various auto parts stores and online retailers, ensuring easy access and quick replacement for tractor owners.

2. Affordable: These bearings are generally more affordable compared to OEM (Original Equipment Manufacturer) alternatives, making them an attractive option for budget-conscious tractor owners.

3. Compatibility: The NAPA 6304M engine bearings have been tested and proven to be compatible with International Harvester tractors D155 and D173, providing peace of mind for those seeking reliable and effective replacement parts.

1. Potential for reduced lifespan: Aftermarket parts, like the NAPA 6304M engine bearings, may not last as long as their OEM counterparts due to differences in manufacturing processes and materials. However, it is essential to note that not all aftermarket parts are inferior it depends on the specific brand and part quality.

2. Variability in quality: The aftermarket auto parts industry can have significant variations in quality, which may impact the reliability and performance of the bearings over time. It is crucial to ensure that the NAPA 6304M engine bearings you purchase are from a reputable and reliable source.

3. Lack of warranty: OEM engine bearings often come with warranties, providing an added layer of protection for the buyer. Aftermarket parts, like the NAPA 6304M engine bearings, may not have the same level of warranty coverage, which could result in additional costs for repairs or replacements.

The decision to purchase NAPA 6304M engine bearings for your International Harvester tractor D155 or D173 comes down to a balance between cost, availability, and potential performance. These bearings offer the advantage of being widely available and more affordable compared to OEM alternatives. However, it is essential to recognize that there may be potential trade-offs in terms of lifespan, quality, and warranty coverage. To mitigate these concerns, it is recommended to purchase these bearings from a reputable and reliable auto parts supplier, ensuring that you receive high-quality aftermarket parts for your tractor. Ultimately, the choice is yours, but with the information provided, you should be better equipped to make an informed decision.

Details:

Free Shipping is for continental USA only. Country of Origin: origin is stated on product packaging. Please refer to the products photograph for actual country of origin. Shipping: Free Shipping is for contingent USA only.

These items, although NEW, may contain shelf wear or imperfections due to the age of product. NAPA part number 6304M. These bearings are STD size.

part #: 6304m prices

• $40.99-$183.15

specifications engibearing:

• for models: Std
• brand: Napa
• part type: Bearing Engine
• manufacturer part number: 6304M
• interchange part number: MS1197P

seller engibearing:

• city: Houston, Texas
• # reviews: 282072
• rating: 99.8%

payments engibearing:

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

returns engibearing:

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

shipping engibearing:

• transit: 3-7 Days
• service: USPS Priority Mail
• class: Expedited
• cost: $0.00
• type: Fixed
• carrier: USPS

offer engibearing:

• options: Ship-to-home
• quantity: 1
• sold: 0
• started: April 22, 2026
• availability: In Stock

general engibearing:

• condition: New other see details
• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

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