# 3978761 Shim | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta shim, 0.50 mm thick, from the Engine group and listed for 21 applications across the TWD, TID, TAMD, TD and TAD series. It is the thickest of four graded shims, above 3978758 at 0.12 mm, 3978759 at 0.20 mm and 3978760 at 0.30 mm, and the published weights do not rank in that order.

## 🚤 Compatibility

-   **Engine Family:** TWD, TID, TAMD, TD, TAD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.50 mm thick
-   Thickest of the four graded shims in this range
-   21 applications across the TWD, TID, TAMD, TD and TAD series
-   TH=0.50mm (Volvo assembly listing)

## 🔌 Function

Takes up a measured amount of clearance in a stack so the assembly ends up within its specified setting.

## ⚠️ Common Signs of Failure

-   Measured clearance outside specification on assembly
-   Shim dished, indented or picked up on one face
-   Shim found broken or displaced in the housing
-   Noise or knock from a stack that has lost its preload

## 🛠️ Service Notes

-   Measure the gap first and pick from 0.12, 0.20, 0.30 and 0.50 mm rather than stacking thinner shims where a single one will do
-   Re-check the setting after final torque

## 📦 Condition

-   Genuine Volvo Penta part
-   Brand new
-   Supplied in original or equivalent packaging

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TAMD74P-A, TAMD74P-B, TAMD74A, TAMD74C-A, TAMD74C-B, TAMD74L-A, TAMD74L-B
-   Volvo Penta TAMD73P-A, TAMD73WJ-A
-   Volvo Penta TWD740GE, TWD740VE
-   Volvo Penta TAD730V
-   Volvo Penta TAD740GE
-   Volvo Penta TAD741GE
-   Volvo Penta TAMD71B
-   Volvo Penta TAMD75P-A
-   Volvo Penta TD71A
-   Volvo Penta TD730VE
-   Volvo Penta TID71A
-   Volvo Penta TWD710V
-   Volvo Penta TWD731VE

## Details

- **Price:** 18.94 AUD
- **Vendor:** Volvo Penta
- **Type:** Fasteners & Fixings
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 18.94 AUD | In stock |

## Images

- 3978761 Shim | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3978761-shim-genuine-volvo-penta)
> Updated: 2026-10-09