1677353 3.20 mm Valve Adjusting Shim Volvo FM12
1300 05 025
Summary
This 3.20 mm valve adjusting shim is engineered for Volvo FM12 D12D engines. It provides precise valve clearance adjustment to ensure optimal engine performance and durability in heavy commercial vehicles. Equivalent to OE Volvo 1677353.
| EAN Code | 8699031053448 |
|---|
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Compatible OEM Codes
-
VOLVO
- 1677353
Description
What does a valve adjusting shim do?
This valve adjusting shim is a precision-ground component designed to maintain exact valve clearance within the engine's valve train. By sitting between the rocker arm or cam follower and the valve, it ensures the valve seats fully during every cycle, which is critical for maintaining compression and engine timing in heavy commercial vehicle diesel engines.Vehicle and engine compatibility
This specific part is compatible with Volvo FM12 trucks equipped with D12D engines. It is essential for maintaining the precise tolerances required by the manufacturer to prevent compression loss or premature wear of the valve seating face.Installation and maintenance guidance
During installation, technicians should ensure the shim seat is clean and lightly lubricated to prevent scoring on startup. It is vital to measure each valve individually to select the correct grade, as each cylinder may require a different thickness to achieve the specified clearance.Troubleshooting and selection
Proper maintenance of the valve train involves checking clearances at manufacturer-recommended intervals. Using high-strength components like this shim helps prevent clearance drift and ensures long-term reliability under heavy-duty operating conditions.OE cross-reference
1300 05 025 (Valve Adjusting Shim Engine Valve) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 1677353.Other OEMs
VOLVO
- 1677353
Related Products
Grouped Products
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| RENAULT TRUCKS | Magnum | DXi12 | |
| VOLVO | |||
| VOLVO | FH12 | D12C | |
| VOLVO | FH12 | D12D | |
| VOLVO | FH16 | D16C | |
| VOLVO | FM10 | D10A | |
| VOLVO | FM12 | D12C | |
| VOLVO | FM12 | D12D | |
| VOLVO | NH12 | D12C | |
| VOLVO | VHD | D12 | |
| VOLVO | VNL | D12 |
FAQ
What is the function of a valve adjusting shim?
A valve adjusting shim is a precision spacer used to bring valve clearance in diesel engines to the exact tolerance set by the manufacturer, ensuring proper seating.
Which vehicles are these shims compatible with?
These shims are specifically designed for Volvo FM12 trucks featuring D12D engines to maintain correct valve train geometry.
How can I ensure I am selecting the correct thickness?
Selection should be based on the precise measurement required for the specific cylinder, often verified by cross-referencing the OE part number of the removed component.
What happens if the incorrect shim thickness is used?
Using an incorrect grade can lead to improper valve seating, resulting in compression loss, engine noise, or accelerated wear of the valve components.
What are the OE reference numbers of this part?
1300 05 025 directly replaces Volvo OE number 1677353.