# 21388164 Sealing Kit | Genuine Volvo Penta Part

## 🔧 Product Description

A genuine Volvo Penta sealing package associated with the DPH trim-sender and steering-area service system. It supplies the matched static and rotating seals required when the sender housing or related drive component is dismantled.

## 🚤 Compatibility

-   **Year Range:** Approximately mid-2000s onward

## ⚙️ Key Features

-   Genuine Volvo Penta DPH sealing kit
-   Associated with DPH trim-sender service
-   Matched seal materials for submerged drive service
-   Drive serial confirmation required
-   Engine type: Volvo Penta DPH DuoProp sterndrive

## 📋 Kit Contents

-   1 x complete matched sealing pack - Volvo Penta 21388164
-   O-rings, sealing rings and gaskets are supplied under the complete kit number and are not individually listed in the public service-kit entry

## 🔌 Function

The kit prevents seawater entry and lubricant or hydraulic leakage around the trim-sender housing and adjoining drive joints.

## ⚠️ Common Signs of Failure

-   Water has entered the sender housing
-   Trim sender is being replaced
-   Seals are flattened, cut or hardened
-   Corrosion is visible around the housing
-   Later kit 23587207 is specified for the drive serial

## 🛠️ Service Notes

-   Fit every item in the kit at the same time; the kit is made up for one job and reusing an old seal alongside new ones is where leaks come back from
-   Clean and dry the sealing faces and grooves completely, taking off old gasket and sealant without scoring the metal
-   Inspect the shaft or bore each seal has to run on — a scored or corroded running surface will cut a new seal straight away
-   Lightly lubricate O-rings and lip seals with clean fluid of the type the system carries, and fit lip seals square with the lip facing the same way as the original
-   Assemble and tighten in the order and to the figures in the workshop manual for your engine, then pressure-test or run up and check for weeps

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   21388164 → Supersedes 877097

### OEM / Related Numbers

-   877097 earlier number superseded by this part
-   23587207 related reference
-   21388166 related DPH trim-sender service kit

## 📦 Condition

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

## Details

- **Price:** 446.88 AUD
- **Vendor:** Volvo Penta
- **Type:** Service & Repair Kits
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 446.88 AUD | In stock |

## Images

- 21388164 Sealing Kit | Genuine Volvo Penta Part

---

> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21388164-sealing-kit-genuine-volvo-penta)
> Updated: 2026-08-31