Crom® Head Gasket Set Volvo Penta AQ130B BB115 MB20A 876348 875418 18-2981

This head gasket kit, also known as a decarbonizing gasket kit, includes the head gasket with а reference  857621, 876783, 875543, 419628, which is 2.0mm thick and the ring is round. The cylinder head bolts with reference 191523, should be replaced when needed[1], and tightening should be performed in two stages.

Tightening torque settings:

• 24.5-29.5Nm 18-22 lbf. ft.
• 88 Nm 64 lbf. ft. [warmed]

The screws are to be re-torqued after the engine has been warmed up. 

Kindly check the second picture that provides the necessary instructions, directly quoted from the Volvo Penta workshop manual.

[1] The cylinder head bolts should be replaced when there are signs of elongation, or cannot be specified if it is already elongated, by checking the "waist" of the bolt. As a rule of thumb, a cylinder head bolt of these Aquamatic series, cannot be re-used more than five times.

Crom® Head Gasket Set Volvo Penta AQ130B BB115 MB20A 876348 875418 18-2981

This product replaces the following manufacturer's part nr:

• Volvo Penta: 876348, 875418
  
• Orbitrade: ORB21418, 21418
• Sierra: 18-2981
• Recmar: -
• Crom order number: 121044

The references that are listed here are trademarks that apply to the respective trademark owners. The references are used only for a reference purpose. Our product is compatible with these reference numbers. Please note that our product is an aftermarket product (non-OEM), unless otherwise stated.