Timing Chains, Gears & Covers

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    • Dorman® - Timing Cover
      (2 reviews)
      # sp116263
      Timing Cover by Dorman®. Save time and money with Dorman’s Engine Timing Cover. Many of Dorman Timing Covers include gaskets and seals for easier installation.
      Direct replacement for a proper fit every timeCorrosion-resistant for long lasting performance
      $9.25 - $475.21
    • Genuine® - Timing Chain
      (0 reviews)
      # sp26002
      Timing Chain 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $25.47 - $346.07
    • Genuine® - Timing Chain Kit
      (0 reviews)
      # sp26003
      Timing Chain 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $69.06 - $532.67
    • Genuine® - Crankshaft Seal
      (0 reviews)
      # sp25891
      Crankshaft Seal 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $6.95 - $450.22
    • Cardone® - Select Variable Timing Sprocket
      (0 reviews)
      # sp133667
      Select Variable Timing Sprocket by Cardone®. Cardone is proud to offer our line of application specific diesel oil pressure pumps covering various platform for vehicle specific applications. The high pressure oil pump is a keystone in...
      50-state emissions street legalThe finest quality at a great price
      $74.09 - $95.14
    • Cardone® - Timing Chain Tensioner
      (0 reviews)
      # sp151532
      Timing Chain Tensioner by Cardone®. 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...
      50-state emissions street legalThe finest quality at a great price
      $72.50 - $458.05
    • Dorman® - Variable Timing Sprocket
      (0 reviews)
      # sp95199
      Variable Timing Sprocket by Dorman®. Dorman has all the components needed for a complete repair. Quickly and easily installed, it eliminates the clunking noise that may result when this part fails, while restoring original ride control.
      Easy to installDirect replacement for a proper fit
      $31.20 - $378.95
    • Melling® - Camshaft Gear
      (0 reviews)
      # sp11919
      Camshaft Gear by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $32.07 - $104.02
    • Melling® - Camshaft Sprocket Actuator
      (0 reviews)
      # sp116481
      Camshaft Sprocket Actuator by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $156.03 - $276.55
    • Melling® - Crankshaft Gear
      (0 reviews)
      # sp11930
      Crankshaft Gear by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $12.29 - $52.34
    • Melling® - Engine Timing Belt Idler
      (0 reviews)
      # sp11984
      Engine Timing Belt Idler by Melling®. Melling timing belt tensioners are available as individual components only. Every Melling tensioner is designed and built to meet or exceed OEM requirements for the application. New tensioners...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $18.31 - $117.47
    • Melling® - Gear Set
      (0 reviews)
      # sp11931
      Gear Set by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.96 - $155.09
    • Melling® - Idler Sprocket
      (0 reviews)
      # sp133816
      Idler Sprocket by Melling®. Melling is a manufacturer of sintered metal timing sprockets and a full line supplier of timing gears, chains, 3 piece sets, tensioners, dampers, guides for both import and domestic applications.
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $31.64 - $89.55
    • Melling® - Intake Variable Timing Sprocket
      (0 reviews)
      # mpn4616187632
      Intake Variable Timing Sprocket by Melling®. Melling Camshaft Sprocket Actuators are constructed from high quality durable steel and shipped with the mounting bolt that attaches the cam shaft phaser to the cam shaft. Camshaft Sprocket...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $135.39
    • Melling® - Lower Stock Replacement Balance Shaft Sprocket
      (0 reviews)
      # sp11969
      Lower Stock Replacement Balance Shaft Sprocket by Melling®.Balance shaft sprocket ware, making the sprocket smaller, over time will cause the balance shaft to be slightly out of time. Correct this issue with a new Melling balance shaft...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $10.48 - $49.18
    • Melling® - Oil Pump Chain
      (0 reviews)
      # sp116482
      Oil Pump Chain by Melling®. Is your CHECK ENGINE light on? Has your vehicle failed a state emissions test? Your vehicle's emissions control system is in need of repair, but before you waste your time and gas running out to the auto...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $15.69 - $29.22
    • Melling® - Passenger Side Hardened Steel Idler Sprocket
      (0 reviews)
      # mpn4478730144
      Passenger Side Hardened Steel Idler Sprocket by Melling®. Location: Roller Timing Chain. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $60.99
    • Melling® - Passenger Side Hardened Steel Idler Sprocket
      (0 reviews)
      # mpn4478730144
      Passenger Side Hardened Steel Idler Sprocket by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability
      $60.99
    • Melling® - Replacement Camshaft Sprocket
      (0 reviews)
      # sp11946
      Replacement Camshaft Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.35 - $90.42
    • Melling® - Replacement Crankshaft Sprocket
      (0 reviews)
      # sp11945
      Replacement Crankshaft Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.02 - $148.97
    • Melling® - Replacement Intermediate Sprocket
      (0 reviews)
      # sp11964
      Replacement Intermediate Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales. Two...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $23.48 - $68.60
    • Melling® - Replacement Oil Pump Sprocket
      (0 reviews)
      # sp11950
      Replacement Oil Pump Sprocket by Melling®. A new Melling oil pump sprocket is recommended to complete every new oil pump install when required. A new oil pump sprocket is necessary due to possible metal fatigue, cracking and even...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.40 - $12.96
    • Melling® - Timing Chain
      (1 review)
      # sp125281
      Timing Chain by Melling®. Melling timing chains are provided for most domestic and import vehicle applications. This product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $6.07 - $90.17
    • Melling® - Timing Crankshaft Sprocket
      (0 reviews)
      # mpn4524406655
      Timing Crankshaft Sprocket by Melling®. Timing gears and sprockets from Melling are provided as a part of a complete timing kit program including chain and sprocket kits, as well as for the individual gear and sprocket sales. Two piece...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.16
    • Melling® - Timing Set
      (1 review)
      # sp151845
      Timing Set by Melling®. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild. Timing chain options include both standard and roller chains to provide...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $15.42 - $582.39
    • Genuine® - Balance Shaft Chain
      (0 reviews)
      # sp15578
      Balance Shaft Chain 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $28.13
    • Genuine® - Balance Shaft Gear
      (0 reviews)
      # sp15579
      Balance Shaft Gear 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $11.83 - $123.01
    • Genuine® - Camshaft Sprocket
      (0 reviews)
      # sp136496
      Camshaft Sprocket 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
      $14.69 - $1,088.27
    • Genuine® - Camshaft Timing Gear
      (0 reviews)
      # mpn4524406096
      Camshaft Timing Gear 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $115.25
    • Genuine® - Intake Variable Timing Adjuster Sprocket
      (0 reviews)
      # mpn4617870544
      Intake Variable Timing Adjuster Sprocket 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $716.18




    The camshaft(s) in a four-stroke engine are driven by the crankshaft at half crankshaft speed. The cam(s) and crank must be perfectly synchronized as they rotate so that the camshaft operated valves open and close precisely in time with the up and down movement of the pistons. Timing gears or timing chain and sprocket sets drive the cam on all Over Head Valve (OHV) engines, while chains or belts and sprockets are used on Over Head Camshaft (OHC) engines.

    A matched set of gears on the crank and cam are the simplest and most durable form of cam drive, but gears are heavy and noisy, and typically only used on low revving engines. Because the cam is so close to the crank on an OHV engine, and the chain is so short, only the basic cam and crank sprockets and chain are needed to drive the cam, but tensioners and chain guides are required for the much longer OHC timing chain.

    There are two types of timing chains, the inverted silent tooth chain, which is favored by many OEMs for its quiet operation, and the lower friction but noisier double roller chain, the preferred chain for performance applications. Both types can suffer from the common timing chain malady, chain “stretch”, which isn’t stretch at all but rather elongation from the cumulative wear of the chain’s pins and links. An elongated chain will retard valve timing, and it can rub against the timing cover and cause a rattling noise and debris to be circulated throughout the engine.

    The hydraulic tensioner is crucial to timing chain performance on OHC engines. However, not changing the engine oil regularly or using the wrong weight oil can negatively affect tensioner operation, resulting in too much chain slack, particularly at critical times like engine startup. A “stretched” chain and retarded valve timing will result in poor performance and fuel economy, but extreme looseness and/or a worn tensioner and chain guides can cause the chain to jump time, resulting in performance that is even worse or an engine that won’t run at all.

    Whatever the configuration of your engine’s cam drive, we have the parts to restore precision valve timing and performance, and quiet operation. Timing gears, and timing chain and cam and crank sprockets, should always be replaced in sets. On OHC engines, the tensioner(s) and chain guides should be replaced at the same time as the chain and sprockets. And if the chain has rubbed a hole in your timing cover or it’s otherwise damaged, there’s no need to go to the dealer because we have OE spec covers right here on our digital shelves, along with gaskets and everything else needed to complete installation.

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    Timing Gears, Chains & Covers Reviews

    Average rating:    5 - 30 reviews
    5 of 5
    Cam Chain Kit
    Very good quality would buy again.
    Posted by Robert (Springfield, MO) / October 26, 20182010 Mini Cooper
    Was this review helpful for you? Yes
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