# 422019 Rocker Arm Shaft | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta rocker arm shaft from the Engine group, weighing 0.245 kg and listed for 51 applications across the MD, TMD, TD, TAD, TWD and THD series.

## 🚤 Compatibility

-   **Engine Family:** MD, TMD, TD, TAD, TWD, THD, TID, D, DH, TAMD

Full model list at the end of this description.

## ⚙️ Key Features

-   0.245 kg
-   51 applications across six engine series
-   Shares its fitment list with bearing bracket 422018
-   6 used per assembly

## 🔌 Function

Carries the rocker arms and feeds oil to their bushings while they pivot on it.

## ⚠️ Common Signs of Failure

-   Ticking or tapping from the valve gear that will not adjust out
-   Flat worn on the shaft under each rocker
-   Rocker bushings loose with visible side play
-   Oil feed holes in the shaft blocked with sludge
-   Valve clearances drifting out of specification between services

## 🛠️ Service Notes

-   Bearing bracket 422018 covers the same 51 applications and is usually worn if the shaft is
-   Bushings 422076 to 422082 in this range are the renewable plain bearings for these engines, so check which the assembly needs
-   Clear the oil holes and prime the shaft before starting, then reset all clearances

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta TD100AHC, TD100ARC, TD100G-85, TD100A, TD100CHC, TD100G, TD100GG, TD100GGP, TD100HP, TD100HPB, TD100GG-85, TD100GP, TD100GP-85, TD100CRC
-   Volvo Penta TID100KG, TID100KGP, TID100K, TID100K-87, TID100KGP-87, TID100KP, TID100KP-87, TID100KPB-87
-   Volvo Penta TAD1030P, TAD1030G, TAD1030GE, TAD1030V, TAD1030VE
-   Volvo Penta D100A, D100BHC, D100BRC, D100B
-   Volvo Penta MD100A, MD100B, MD100B-CC
-   Volvo Penta THD102KB, THD102KD, THD102K-KB
-   Volvo Penta TAD1031G, TAD1031GE
-   Volvo Penta TAMD102A, TAMD102D
-   Volvo Penta TMD100A, TMD100C
-   Volvo Penta DH10A
-   Volvo Penta TAD1032GE
-   Volvo Penta TAMD103A
-   Volvo Penta TD1010G
-   Volvo Penta TMD102A
-   Volvo Penta TWD1010G
-   Volvo Penta TWD1030ME
-   Volvo Penta TWD1031VE

## Details

- **Price:** 254.46 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 254.46 AUD | In stock |

## Images

- 422019 Rocker Arm Shaft | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/422019-rocker-arm-shaft-genuine-volvo-penta)
> Updated: 2026-08-22