GEAR DRIVE COMPONENTS

- GEAR DRIVE SERVICE PARTS -

Gear drives are essential components for transmitting power from the engine to the wheels. Over time, wear and tear can affect the performance and efficiency of these gears. This page provides a comprehensive overview of gear drive service parts, including replacement gears, seals, bearings, and other components necessary for maintaining optimal gear drive operation. Whether you're a professional mechanic or a DIY enthusiast, this resource offers valuable information to ensure your vehicle's gear drive system remains in top condition.

On this page you will find cam gears, idler axles, crank gears, cam hubs, idler gears, laminated washers, dowel pins, main housings, cam covers, mounting plates, thrust buttons, and thrust bearing kits.

NOTE: Cam Gears, Idler Axles, Cam Hubs and Cam Covers Include Bolts.

GEAR
DRIVE
CAM
GEAR
CRANK
GEAR
IDLER
GEAR
IDLER
AXLE
CAM
HUB
THRUST
BUTTON
LAM.
SHIM
WASHER
THRUST
BEARING
KIT
MAIN
HOUSING
12000 12550
12551  
12553  
12554  
12555  
12557  
- 12559  
12560  
12001 12550
12551  
12553  
12554  
12549 
12557  
- 12559  
12560  
12250 12550  
12551  
12553  
12973  
12556  
- 12558  
12559  
12560  
12600 12952  
12951  
12953  
12954  
12957  
12557  
- 12959  
12958  
12700 12952  
12951  
12953  
12974  
12956  
- 12558  
12959  
12958  
12708 12952  
12951  
12953  
12974  
12949  
- 12558  
12959  
12958  
12900 12952  
12951  
12953  
12954  
12956  
- 12558  
12959  
13560  
13000 12952  
13551  
13553  
12954  
13554  
12557  
- 12559  
13560  
13250 12952  
13551  
13553  
12974  
13555  
- 12558  
12559  
13560  
13600 12952  
13851  
 
13854  
13856  
13858  
- - 13861  
-
13700 12952  
13852  
13854  
13856  
13859  
- - 13861  
-
13800   13853  
13855  
13857  
-   - - 12559  
-
13900 13869  
13870  
13855  
13857  
14662  
- - 13861  
-
14100 13869  
13871  
13855  
13857  
14663  
- - 13861  
-
14200 12952  
14651  
13854  
13856  
14653  
- - 13861  
-
14300 12952  
14652  
13854  
13856  
14654  
- - - -
14500 12952  
14652  
13854  
13856  
14655  
- - 13861  
-
14600 12952  
14651  
13854  
13856  
14653  
- - 13861  
-
GEAR
DRIVE
MOUNTING
PLATE
CAM
COVER
FRONT
CRANK
SEAL
BOLT
PACK
(2)
5/16"
DOWELS
(2)
DRILL
BUSHINGS
IDLER
RETAINER
KIT
WATER
PUMP
SPACERS
SEAL
RETAINER
12000 - 12561  
12564  
12565  
12567  
12569  
12568  
- -
12001 - 12561  
12564  
12565  
12567  
12569  
12568  
- -
12250 - 12562  
12564  
12566  
12567  
12569  
12568  
- -
12600 12968  
12961  
12695  
12966  
12567  
12569  
12968  
- -
12700 - 12962  
12965  
12967  
12567  
12569  
12968  
- 12969  
12708 - 12962  
12965  
12967  
12567  
12569  
12968  
- 12969  
12900 - 12964  
12965  
12967  
12567  
12569  
12968  
- 12969  
13000 - 12961  
13563  
13564  
12567  
12569  
13568  
13567  
-
13250 - 13561  
13563  
13565  
12567  
12569  
13568  
- 13569  
13600 13863  
- - 13866  
- - - - -
13700 13864  
- - 13867  
- - - - -
13800 -
- - 13868  
- - - - -
13900 14664  
- - 14666  
- - - - -
14100 14665  
- - 14667  
- - - - -
14200 14656  
- - 14660  
- - - - -
14300 14657  
- - 14661  
- - - - -
14500 14658  
- - 14661  
- - - - -
14600 14659  
- - 14660  
- - - - -

 

How do gear drive components work?

The intricate dance of gear drive components within an engine is a testament to engineering ingenuity. At the heart of this system lie the cam gears, which drive the camshaft. This crucial component controls the opening and closing of engine valves, determining the timing of the power stroke.

Supporting the camshaft are the idler axles, which provide a stable foundation for the idler gears. These gears redirect the rotational motion of the camshaft, ensuring that the timing chain or belt maintains its proper tension.

Meanwhile, the crank gears transmit power from the crankshaft to the timing components. The crankshaft, the engine's rotating core, converts the linear motion of the pistons into rotational energy.   To secure the camshaft and ensure its precise alignment, cam hubs are used. These hubs provide a sturdy connection between the camshaft and the cam gears.

Beyond these fundamental components, laminated washers play a vital role in absorbing vibrations and preventing excessive wear. Dowel pins ensure that components are properly aligned, preventing misalignment and potential damage.   The main housing serves as the protective enclosure for the crankshaft and other vital engine components. It provides a sturdy structure and helps to prevent oil leaks.

To safeguard the camshaft and timing components from debris and oil leaks, cam covers are installed. These covers protect the delicate internal components while allowing for easy access during maintenance. To secure the engine to the vehicle's frame, mounting plates are used. These plates provide a stable foundation and help to distribute the engine's weight evenly. To prevent axial movement of the crankshaft or camshaft, thrust buttons are employed. These buttons act as spacers and help to maintain proper alignment.  

Finally, thrust bearing kits are essential for reducing friction and ensuring smooth operation. These kits typically include bearings, washers, and other components that help to minimize wear and tear on the crankshaft and camshaft. Together, these components work in harmony to ensure the efficient and reliable operation of an engine's gear drive system.

Cam Gears

  • Drive the camshaft, which controls the opening and closing of valves.

Idler Axles

  • Support the idler gears and provide a connection point within the timing system.

Crank Gears

  • Drive the crankshaft, which converts rotational motion into linear motion for the pistons.

Cam Hubs

  • Secure the camshaft to the cam gears and provide a rotating interface.

Idler Gears

  • Redirect the rotational motion of the camshaft or crankshaft, often for timing purposes.

Laminated Washers

  • Absorb vibrations and provide a cushioning effect between components.

Dowel Pins

  • Align components precisely and prevent them from shifting during operation.

Main Housings

  • Enclose the crankshaft and other engine components.

Cam Covers

  • Protect the camshaft and timing components from debris and oil leaks.

Mounting Plates

  • Secure engine components to the vehicle's frame.

Thrust Buttons

  • Prevent axial movement of the crankshaft or camshaft.

Thrust Bearing Kits

  • Include bearings, washers, and other components used to reduce friction and maintain proper alignment.