Balance Shafts & Components

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    • (0 reviews)
      # mpn2573208
      Balance Shaft Seal by NOK®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas running...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $19.76
    • (0 reviews)
      # mpn2573204
      Front Driver Side Auxiliary Shaft Seal by NOK®. Balance Shaft Seal. Oil seals serve to prevent the leakage not only of lubricants, but also water, chemicals, and gas from "gaps" in machinery. Oil seals also serve to prevent the...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $12.03
    • (0 reviews)
      # sp151922
      Auxiliary Shaft Seal Set by Apex Auto®.
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $4.00 - $6.14
    • (0 reviews)
      # mpn4494236877
      Passenger Side Balance Shaft Seal by German®.
      Manufactured from high-strength materials to lastDurable construction to withstand everyday wear and tear
      $7.10
    • (0 reviews)
      # mpn4562164891
      Balance Shaft Elimination Kit by Enginetech®. The Engine Builder's Source, can locate the right part for nearly any rebuild application. Offering a full line of internal engine parts for domestic, import and high performance...
      Rigorously tested to withstand years of abuseDesigned with innovative manufacturing techniques
      $19.74
    • (0 reviews)
      # mpn4524651035
      OE Balance Shaft Elimination Kit by Mahle®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $35.44
    • (0 reviews)
      # mpn1894513
      Intermediate Shaft and Gear by OSK®. Location: Lower to Upper Chain. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $62.96
    • (0 reviews)
      # sp151312
      Balance Shaft Seal by Genuine®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for a...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $35.25 - $100.46
    • (0 reviews)
      # sp151343
      Intermediate Shaft Flange by Genuine®. Designed utilizing the latest technology, this product by Genuine features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $125.14 - $152.91
    • (0 reviews)
      # sp151114
      Balance Shaft Seal by Original Equipment®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.79
    • (0 reviews)
      # sp151679
      Balance Shaft by Mopar®. Designed utilizing the latest technology, this product by Mopar features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or exceed...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $95.23 - $560.78
    • (0 reviews)
      # mpn4514925706
      Engine Balance Shaft Elimination Kit by Preferred Components®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
      Made with the highest level of professionalismMade with innovations and dyno tested in-house
      $73.69
    • (0 reviews)
      # sp133647
      Auxiliary Shaft Seal by Fel-Pro®. Designed utilizing the latest technology, this product by Fel-Pro features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet or...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $9.57
    • (0 reviews)
      # sp133495
      Balance Shaft Seal by Victor Reinz®. Designed utilizing the latest technology, this product by Victor Reinz features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.04 - $11.06
    • (0 reviews)
      # mpn4561670084
      Auxiliary Shaft Seal by Ishino®. Location: Timing Gear Case for Oil Pump Shaft. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $4.01
    • (0 reviews)
      # sp133762
      GM Original Equipment™ Balance Shaft Kit by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $84.92
    • (0 reviews)
      # mpn4508882180
      Balance Shaft by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas running...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $170.25
    • (0 reviews)
      # mpn4508882130
      Balance Shaft Kit by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $459.87
    • (0 reviews)
      # mpn4508885359
      Balance Shaft Kit by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your time and gas...
      Compliant with the strictest standards for qualityExpertly crafted using the up-to-date technology
      $459.87
    • (0 reviews)
      # mpn4524650934
      Deluxe Balance Shaft Elimination Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $165.86
    • (0 reviews)
      # mpn4521869354
      IMS Retrofit™ Dual Row Bearing Kit by LN Engineering®. The First. The Original. The IMS Retrofit™ is a registered trademark of LN Engineering LLC - the original ceramic hybrid ball-bearing replacement for the M96/M97 engine - the...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $668.19
    • (0 reviews)
      # mpn4521869351
      IMS Retrofit™ Single Row Pro Bearing Kit by LN Engineering®. The First. The Original. The IMS Retrofit™ is a registered trademark of LN Engineering LLC - the original ceramic hybrid ball-bearing replacement for the M96/M97 engine -...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $667.13
    • (0 reviews)
      # mpn4521869353
      IMS Retrofit™ Upgrade Bearing Kit by LN Engineering®. The First. The Original. The IMS Retrofit™ is a registered trademark of LN Engineering LLC - the original ceramic hybrid ball-bearing replacement for the M96/M97 engine - the...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $670.89
    • (0 reviews)
      # mpn4521869356
      IMS Solution™ Bearing and Oiling System Kit by LN Engineering®. Unique approach and design of the IMS Solution makes it the only permanent fix for problematic Intermediate Shaft - IMS - Bearing in Porsche™ M96 and M97 engines. By...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $1,357.51
    • (0 reviews)
      # mpn4521869355
      IMS Solution™ Dual Row Bearing and Oiling System Kit by LN Engineering®. Unique approach and design of the IMS Solution makes it the only permanent fix for problematic Intermediate Shaft - IMS - Bearing in Porsche™ M96 and M97...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $1,412.46
    • (0 reviews)
      # mpn4521869352
      IMS Solution™ Single Row Bearing and Oiling System Kit by LN Engineering®. Unique approach and design of the IMS Solution makes it the only permanent fix for problematic Intermediate Shaft - IMS - Bearing in Porsche™ M96 and M97...
      Ensure smooth, reliable operation and long-lasting serviceDesigned to unlock more performance out of your vehicle
      $1,412.26
    • (0 reviews)
      # mpn4515246222
      Balance Shaft Chain by Febi®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading...
      The finest quality at a great priceEngineered to provide reliable performance for years to come
      $76.34
    • (0 reviews)
      # mpn2289462
      OE Solutions™ Standard Counter Balance Shaft Seal Kit by Dorman®. Designed utilizing the latest technology, this product by Dorman features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.96
    • (0 reviews)
      # mpn4530434519
      Balance Shaft Seal by Genuine®. Location: Differential Output Shaft. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability....
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $100.46
    • (0 reviews)
      # mpn4530434610
      Front Driver Side Balance Shaft Seal by Genuine®. Location: Differential Output Shaft. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $35.25




    During engine operation, there are several forces created that affect engine balance and result in vibration: The rotating mass of the connecting rod and piston at the offset crank throw and the crankshaft counterweight, the up and down reciprocating forces of each piston and connecting rod in the cylinders, and the forces created when each cylinder is fired. These forces can be countered by engine design or the use of balance shafts.

    The number of cylinders, engine configuration, and the point at which the cylinder fires all play a part in how well an engine is balanced. For example, a typical V8 engine is well balanced because the angle between the cylinder banks is 90 degrees, and a cylinder fires every 90 degrees of crankshaft rotation. Flat engines are perfectly balanced because the forces in each cylinder bank cancel each other out, and the engine fires every 180 degrees.

    However, some engines, notably 4-cylinder in-line and V6 engines, have forces that can’t be counteracted by design alone, and this resulted in some engines produced in the past that had a reputation for high levels of roughness and vibration. Vehicle manufacturers have employed various methods to limit the effects of vibration, including soft motor mounts, and using 60 degree bank angles or split-pin crank throws on V6 engines, but the most common solution to the vibration problem has been the installation of balance shafts.

    Balance shafts have eccentric weights that counteract the forces in the engine that create vibration. Like the camshaft, balance shafts must be perfectly timed with the rotation of the crankshaft for them to be effective. An engine will have one or more balance shafts, with most 4-cylinder engines having two, and V6 engines with one. Balance shafts can be driven by a chain or belt. Both use tensioners to maintain belt adjustment. Belt arrangements usually include an idler pulley, and chain layouts have chain guides.

    Balance shaft belts and chains can suffer from the same symptoms as their cam drive counterparts. Belts should be periodically replaced and because removal is generally required to access the timing belt, the balancer belt should be replaced at the same time. Balance shaft chains can elongate and timing can be thrown off, which can result in vibration. No matter what kind of balance shaft setup you have, we have the replacement parts for the job including belts, chains, sprockets, tensioners, pulleys, guides, seals, and gaskets. All parts are made to OE specs so you can be assured of precise fit and perfect function.

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    Balance Shafts & Components Reviews

    Average rating:    5 - 4 reviews
    5 of 5
    Review
    All very good.
    Posted by ????????? (New Castle, DE) / March 24, 20171993 Plymouth Voyager
    Was this review helpful for you? Yes
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