1. Engine Bearings Parts
  2. sku: 12886188752740711
  3. PAI 171806

PAI 171806 Engine Crankshaft Bearing Isb Qsb

fits model: Std, Cummins.

171806 Pai Engine Crankshaft Main Bearing Std 4 B / Isb Qsb Ser For Cummins

( Brand: Pai ), ( Part Type: Bearing Engine Crankshaft ), ( Manufacturer Part Number: 171806 )

Review PAI Engine Crankshaft Main Bearing Isb Qsb Ser fits CUMMINS STD

PAI 171806 Engine Crankshaft Bearing for Cummins ISB and QSB Applications

The PAI 171806 engine crankshaft bearing is a crucial component manufactured by Schaeffler, a leading automotive and industrial supplier. This specific part is designed for use in Cummins ISB (Inline Six-Cylinder) and QSB (Quad-Six-Cylinder) engines.

This high-quality bearing is engineered to ensure reliable and efficient engine performance. It features a precision-machined design that provides a perfect fit and alignment with the engine crankshaft, minimizing the risk of unwanted movement or play. The bearing is made of advanced materials, allowing it to withstand the extreme pressures and temperatures generated during engine operation.

The PAI 171806 engine crankshaft bearing is designed to be a direct replacement for the original equipment, ensuring a seamless installation process. It is engineered to meet or exceed the original equipment specifications, providing superior performance and durability.

The bearing's outer race is made of a high-strength steel that resists wear and corrosion, while the rolling elements are made of hardened steel for superior load-carrying capacity. The bearing's inner race is made of a composite material that provides excellent lubrication retention and reduces friction.

The PAI 171806 engine crankshaft bearing is supplied in a new condition and comes with a comprehensive warranty. It is recommended to replace the engine crankshaft bearing during routine engine maintenance to ensure optimal engine performance and longevity.

In summary, the PAI 171806 engine crankshaft bearing is a high-quality, precision-engineered replacement part designed specifically for Cummins ISB and QSB engines. It is manufactured by Schaeffler, a trusted supplier of automotive and industrial components, and is engineered to meet or exceed original equipment specifications for superior performance and durability.

Buying a PAI 171806 engine crankshaft bearing for a Cummins ISB or QSB engine involves considering several factors to help you make an informed decision. Here are some pros and cons of this purchase.

Pros:

1. High-quality bearing: PAI is a reputable brand known for manufacturing high-quality engine bearings. This crankshaft bearing is designed specifically for Cummins ISB and QSB engines and is engineered to provide reliable performance.

2. Improved engine performance: Replacing a worn-out crankshaft bearing can help improve engine performance by reducing vibrations and improving the overall efficiency of the engine.

3. Extended engine life: A new crankshaft bearing can help extend the life of the engine by preventing damage caused by a faulty bearing.

Cons:

1. Cost: Replacing an engine crankshaft bearing can be a costly repair. While PAI is a reputable brand, the cost of this bearing may be higher than some other options on the market.

2. Labor costs: Installing a new crankshaft bearing is not a simple job and typically requires the expertise of a professional mechanic. Labor costs can add to the overall expense of the repair.

3. Potential for other repairs: Replacing a crankshaft bearing may indicate other issues with the engine. These issues could require additional repairs, which can add to the overall cost.

Conclusion:

Buying a PAI 171806 engine crankshaft bearing for a Cummins ISB or QSB engine can provide several benefits, including improved engine performance and extended engine life. However, the cost of the repair, including the price of the bearing and labor expenses, can be a significant consideration. If you have been experiencing issues with your engine, it's essential to address them promptly to prevent further damage. Weighing the pros and cons and considering your budget, you can make an informed decision about whether or not this is the right repair for you.

Recommendation:

If you're experiencing issues with your engine and believe a crankshaft bearing may be the cause, it's recommended to consult with a professional mechanic. They can diagnose the problem accurately and provide you with an estimate of the cost of the repair, including the price of the PAI 171806 engine crankshaft bearing and labor expenses. This will allow you to make an informed decision about whether or not the repair is worth the investment.

Details:

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Manufactured following strict OE standards to work like the original component. Engine Crankshaft Main Bearing Pai 171806 Std 4 B / Isb Qsb Ser for Cummins: Part Number: Manufacturer: PAI. Engineered using the latest technology to ensure product lasts longer in service.

Designed specifically for trucks, trailers, and buses. Made of high-quality components for durability, reliability, and performance.

part #: 171806 prices

  • $73.95-$364.31

specifications engibearing:

  • for models: Std, Cummins
  • brand: Pai
  • part type: Bearing Engine Crankshaft
  • manufacturer part number: 171806

shipping engibearing:

  • transit: 4-7 Days
  • class: Standard
  • service: Standard
  • type: Fixed
  • cost: $0.00

general engibearing:

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

returns engibearing:

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

seller engibearing:

  • rating: 99.2%
  • city: Los Angeles, California
  • # reviews: 65250

offer engibearing:

  • options: Ship-to-home
  • sold: 0
  • started: February 20, 2026
  • availability: In Stock
  • quantity: 5
  • best offers: True

payments engibearing:

  • wallet: Apple-pay
  • credit card: Discover
  • other
for models: std, cummins, part type: bearing engine crankshaft,
category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 12886188752740711,

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5 offers $73.95–$364.31 USD
  • New. Offer #1 priced at $84.95 + $0.00 delivery = $84.95* total. 403-A-20 . This part replaces Case/IH part number: 3802010.FREE SHIPPING
  • New. Offer #2 priced at $73.95 + $0.00 delivery = $73.95* total. Engine Crankshaft Main Bearing.FREE SHIPPING
  • New. Offer #3 priced at $364.31 + $0.00 delivery = $364.31* total. Engine Crankshaft Main Bearing Set.FREE SHIPPING
  • New. Offer #4 priced at $50.00 + $26.40 delivery = $76.40* total. 1 - New Cummins Main Bearing kit. PAI Part # .+$26.40 shipping
  • New. Offer #5 priced at $75.00 + $19.60 delivery = $94.60* total. Cross Reference Number s: CUMMINS 3800280, 3802010, 4025117, 4955855, Upper Main Bearing # 3901090, 3929016, 3978818, 5287907, Thrust Bearing # 3906230, Main Bearing # 3901150, 3929021, 3978820, 5287908.+$19.60 shipping

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