# 3843791 Overhaul Kit | Genuine Volvo Penta Part

## 🔧 Product Description

Genuine Volvo Penta overhaul kit for TAD721GE (Tier 2), TAD722GE (Tier 2). Volvo Penta publishes the kit contents in full: cylinder liner kit 3842448 (6 off); main bearing kit 21141948 (7 off); thrust washer kit 21141955 (1 off); big end bearing kit 20565150 (6 off); gasket kit 21808529 (1 off). The gasket kit in it covers the inlet and exhaust, de-carbonising, turbo connection and additional gaskets.

## 🚤 Compatibility

Typically suits:

-   Volvo Penta TAD721GE
-   Volvo Penta TAD722GE
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4

-   **Engine Family:** TAD

## ⚙️ Key Features

-   For Stage 2 and Tier 2 engines
-   Engine group
-   54.0 kg
-   4 applications across the TAD series
-   Overhaul kit for TAD721GE (Tier 2), TAD722GE (Tier 2)
-   Cylinder liner kit - part number 3842448 - quantity 6
-   Main bearing kit - part number 21141948 - quantity 7
-   Thrust washer kit - part number 21141955 - quantity 1
-   Big end bearing kit - part number 20565150 - quantity 6
-   Gasket kit (incl. inlet/exhaust, de-carbo, turbo connect, additional gaskets) - part number 21808529 - quantity 1
-   Engines: TAD721GE (Tier 2), TAD722GE (Tier 2)
-   Kit contents: Cylinder liner kit 3842448 x6; Main bearing kit 21141948 x7; Thrust washer kit 21141955 x1; Big end bearing kit 20565150 x6; Gasket kit 21808529 x1

## 🔌 Function

Supplies the matched set of parts needed for a scheduled overhaul, so the components that must be renewed together arrive together.

## ⚠️ Common Signs of Failure

-   Low compression with hard starting
-   Blue smoke and high oil consumption
-   Loss of power with fuel consumption up
-   Crankcase pressure and breather output rising
-   Wear metal found in the oil filter at service

## 🛠️ Service Notes

-   Overhaul kit 3843579 is the other Stage 2 and Tier 2 TAD kit here at 45.5 kg, so confirm which one your engine and job need
-   At 54 kg this ships as a heavy item and needs mechanical handling
-   Check the engine designation, and the emissions tier where one is quoted, against the kit before ordering - the same engine family has separate kits for Tier 1 and Tier 2
-   The kit is supplied as a matched set; the contents above are what Volvo Penta publishes for it, so anything else the stri

## 📦 Condition

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

## Details

- **Price:** 10858.28 AUD
- **Vendor:** Volvo Penta
- **Type:** Service & Repair Kits
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 10858.28 AUD | In stock |

## Images

- 3843791 Overhaul Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/3843791-overhaul-kit-genuine-volvo-penta)
> Updated: 2026-09-06