1. Engine Bearings Parts
  2. sku: 10388403260066781
  3. TRW MS2954P-20

TRW MS2954P-20 Engine Bearings 6636M20 .020 672 707 L6

fits make: Mack.

Ms2954p-20 Trw Engine Main Bearings .020 Inch Mack 672 707 L6

( Brand: Trw ), ( Part Type: Bearing Engine ), ( Manufacturer Part Number: MS2954P-20 ), ( Ipn: 6636m20 )

Review TRW Engine Main Bearings .020 Inch Mack 672 707 L6

The TRW MS2954P-20 engine bearings are specifically designed for applications using the Mack E6 series engines, including the Mack 672 and 707 L6 models. These bearings are critical components in the engine's crankshaft and connecting rod assembly, responsible for reducing friction and supporting the weight and pressure of the engine's moving parts.

Each bearing is precision engineered using advanced materials and manufacturing processes to ensure optimal performance and longevity. The bearing shells are made from a high-strength, low-friction steel, while the rolling elements are composed of a heat-treated, chrome steel to provide superior load capacity and durability.

The MS2954P-20 bearings feature a split design, which allows for easy installation and removal. The split design also enables the use of engine-specific shims to maintain the correct clearances and ensure proper engine operation. The bearing's outer diameter measures 2.0 inches, making them suitable for use in engines with corresponding dimensions.

These TRW engine bearings are designed to meet or exceed OEM specifications, ensuring a reliable and efficient engine performance. The bearings are also backed by TRW's extensive engineering expertise and rigorous testing programs, giving customers confidence in the product's quality and durability.

In summary, the TRW MS2954P-20 engine bearings are a high-quality, reliable solution for applications using the Mack 672 and 707 L6 engines. Their precision engineering, advanced materials, and split design make them an excellent choice for those seeking optimal engine performance and extended component life.

Trw MS2954P-20 Engine Bearings for Mack 672 707 L6: A Comprehensive Analysis

Introduction:

The Trw MS2954P-20 engine bearings are specifically designed for use in Mack 672 707 L6 engines. These bearings are essential components in the engine's rotating assembly, supporting the crankshaft and connecting rods. In this analysis, we will discuss the potential advantages and disadvantages of purchasing these bearings.

Pros:

1. OEM Quality: Trw MS2954P-20 engine bearings are manufactured by TRW, an original equipment manufacturer (OEM) for Mack engines. By purchasing these bearings, you can be assured that they meet the original specifications and quality standards.

2. Durability: OEM bearings like the Trw MS2954P-20 are designed to last longer than aftermarket alternatives. Their high-quality materials and precise tolerances ensure optimal engine performance and longevity.

3. Reduced Engine Noise: New engine bearings can help reduce engine noise by minimizing the clearance between moving parts and improving the overall balance of the engine.

4. Improved Engine Performance: Properly functioning engine bearings contribute to improved engine performance by reducing friction and allowing the engine to run more smoothly and efficiently.

Cons:

1. Cost: OEM engine bearings, like the Trw MS2954P-20, tend to be more expensive than aftermarket alternatives. The increased cost may be a deterrent for some buyers.

2. Longer Lead Time: Since Trw MS2954P-20 engine bearings are OEM parts, they may take longer to be delivered due to supply chain constraints.

3. Limited Availability: OEM engine bearings may not be as widely available as aftermarket alternatives, making it more challenging to find a reliable supplier or source.

Conclusion:

The Trw MS2954P-20 engine bearings for Mack 672 707 L6 engines offer several advantages, including OEM quality, durability, reduced engine noise, and improved engine performance. However, they come with a higher cost, longer lead times, and limited availability compared to aftermarket alternatives. Ultimately, the decision to purchase these bearings depends on the individual's priorities, budget, and engine requirements.

Recommendation:

If the budget allows and the priority is to maintain the original engine performance and longevity, purchasing the Trw MS2954P-20 engine bearings is a sound investment. However, if cost and availability are primary concerns, considering aftermarket alternatives may be a more practical solution. Always ensure that the chosen bearings meet the required specifications and are compatible with the engine to ensure optimal performance and engine life.

Details:

Shipping:: Free Shipping is for continental USA only. Sometimes the fitment is so old that it does not take into account trim, engine size or build dates. There may be minor corrosion, scuffs, torn or missing boxes, scratches from storage, etc. They may have been in storage anywhere from 1-30 years.

Be sure the part you are buying is correct for your application. Or any other minor issue that does not make the part you are buying DEFECTIVE. 6636M20, SP: MS954P-20, MADE IN USA. None of which makes the part Defective.

ONCE Purchased YOU OWN IT. Rubber parts, gaskets, hardware may need to be replaced and not usable. If any manufacturer warranty exists, it is between you and them. TRW part number MS2954P-20.

part #: ms2954p20 prices

  • $99.75-$134.99

specifications engibearing:

  • for makes: Mack
  • brand: Trw
  • part type: Bearing Engine
  • manufacturer part number: MS2954P-20
  • interchange part number: 6636M20

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

offer engibearing:

  • started: October 17, 2025
  • quantity: 1
  • sold: 0
  • availability: In Stock
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  • rating: 99.5%
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  • # reviews: 249553
for makes: mack, part type: bearing engine,
category: auto parts > car truck parts accessories > engines engine parts > engine bearings, sku: 10388403260066781,

Trw MS2954P-20 Is Similar To:

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2 offers $99.75–$134.99 USD
  • New other (see details). Offer #1 priced at $134.99 + $0.00 delivery = $134.99* total. If any manufacturer warranty exists, it is between you and them. TRW part number .FREE SHIPPING
  • New other (see details). Offer #2 priced at $99.75 + $0.00 delivery = $99.75* total. ENDT(B) 675. MAIN BEARINGS FOR MACK ENGINES;.FREE SHIPPING

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