Crom® Cylinder head bolt AQ115 AQ130 AQ165 AQ170 191523
High-quality marine engine spare parts from Sweden.
CromMarine® premium-quality cylinder head bolt set for Volvo Penta:
4-cylinder engines, 10 bolts required
- AQ105A
- AQ115A, AQ115B
- AQ130A, AQ130B, AQ130C, AQ130D
- BB115A, BB115B, BB115C
- MB20A, MB20B, MB20C
6-cylinder engines, 14 bolts required
- AQ165A, AQ170A, AQ170B, AQ170C
- BB165A, BB170A, BB170B, BB170C
The CromMarine® cylinder head bolts with reference 191523, should be replaced when needed[1], and tightening should be performed in two stages.
Tightening torque settings:
-
24-29 Nm 18-22 lbf. ft.
-
88 Nm 64 lbf. ft.
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® Cylinder head bolt AQ115 AQ130 AQ165 AQ170 191523
This product replaces the following manufacturer's part nr:
- Volvo Penta: 191523
- Crom order number: 113174 (-I4 or -I6)
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.