# 422427 Lock Washer | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta early type lock washer from the Engine group, weighing 0.112 kg and listed for 36 applications across the AQ, TD, BB, TID, D and B series.

## 🚤 Compatibility

-   **Engine Family:** AQ, TD, BB, TID, D, B, MD, MB, AQD

Full model list at the end of this description.

## ⚙️ Key Features

-   Early type
-   0.112 kg
-   36 applications across the AQ, TD, BB, TID, D and B series
-   A heavy lock washer rather than a thin tab washer

## 🔌 Function

Locks its fastener against turning back, holding the joint tight under vibration.

## ⚠️ Common Signs of Failure

-   Fastener found slack or backed off in service
-   Tab cracked or broken where it was bent over
-   Washer already bent twice and work-hardened
-   Fretting or a bright witness ring around the fastener

## 🛠️ Service Notes

-   This is specifically the early type, so establish which version the assembly carries before ordering
-   Treat it as single use — bend a fresh washer rather than reusing an old tab

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta AQ130C, AQ130D, AQ130A, AQ130B
-   Volvo Penta TID100KG, TID100K, TID100K-87, TID100KP
-   Volvo Penta AQ170B, AQ170C, AQ170A
-   Volvo Penta BB115A, BB115B, BB115C
-   Volvo Penta BB170B, BB170C, BB170A
-   Volvo Penta MB20A, MB20B, MB20C
-   Volvo Penta TD100G-85, TD100A, TD100G
-   Volvo Penta AQ115A, AQ115B
-   Volvo Penta D100A, D100B
-   Volvo Penta 100S, 110S
-   Volvo Penta AQ165A
-   Volvo Penta AQD21A
-   Volvo Penta B20
-   Volvo Penta BB165A
-   Volvo Penta D120A
-   Volvo Penta MD21A
-   Volvo Penta TD120A

## Details

- **Price:** 50.6 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 50.60 AUD | In stock |

## Images

- 422427 Lock Washer | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/422427-lock-washer-genuine-volvo-penta)
> Updated: 2026-08-22