# 20796993 Cable Set | Genuine Volvo Penta Part

## 🔧 Product Description

Application-specific engine-heater cable set used in the engine wiring, sensor, heater and control harness on the listed Volvo Penta engines. Carries electrical power between the engine-heater relay, switch and heater from the documented serial break onward.

## 🚤 Compatibility

-   **Engine Family:** D, TD, TAD, MD
-   **HP Range:** Approximately 160-300 HP
-   **Year Range:** Approximately 1999 - 2015
-   **Serial Range:** SN1098014-

Full model list at the end of this description.

## ⚙️ Key Features

-   Genuine Volvo Penta engine-heater cable set
-   Direct service replacement for part number 20796993
-   Designed for the engine wiring, sensor, heater and control harness
-   Carries electrical power between the engine-heater relay, switch and heater from the documented serial break onward
-   Two-cable replacement arrangement used from engine serial 1098014 onward
-   Engine type: Four- and six-cylinder electronically monitored industrial diesel

## 🔌 Function

Carries electrical power between the engine-heater relay, switch and heater from the documented serial break onward.

## ⚠️ Common Signs of Failure

-   Open circuit, high resistance or intermittent electrical operation
-   Heat-damaged insulation or discoloured terminals
-   Corrosion, moisture entry or loose connector retention
-   Repeated fuse, relay or heater faults
-   Voltage drop under load

## 🛠️ Service Notes

-   Disconnect power before service and test continuity and insulation resistance.
-   Secure the cable in the original routing and protect it from heat and abrasion.
-   Both cable sets are required when converting from earlier single cable 20555190 on the documented later installation.

## 🔄 Supersession & Cross Reference

### OEM Supersession Chain

-   20796993 → Supersedes 20555190 → Supersedes 20405513

### OEM / Related Numbers

-   20555190 earlier number superseded by this part
-   3839538 earlier number superseded by this part
-   20405513 earlier number superseded by this part
-   SN1098014- - documented cable-set application
-   20998739 - 12V heater relay
-   21261350 - 24V heater relay
-   21261444 - heater switch
-   20998736 - main heater cable set
-   20998750 - heater adapter
-   20573949 - earlier 600W engine heater
-   20796994 - companion cable set
-   20405599 - O-ring
-   947628 - sealing gaskets
-   969011 - sealing gaskets

### Other-Brand OEM Numbers

-   VOE20796993 - Volvo CE prefixed number format

## 📦 Condition

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

## 🔎 Full Model Compatibility

Typically suits:

-   Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA
-   Volvo Penta D5A-B TA, D5A-T, D5A-TA
-   Volvo Penta MD2010, MD2010B
-   Volvo Penta TAD520GE, TAD520VE
-   Volvo Penta TAD530GE MECH, TAD530GE EDC4
-   Volvo Penta TAD531GE MECH, TAD531GE EDC4
-   Volvo Penta TAD720GE, TAD720VE
-   Volvo Penta TAD721GE, TAD721VE
-   Volvo Penta TAD722GE, TAD722VE
-   Volvo Penta TAD730GE MECH, TAD730GE EDC4
-   Volvo Penta TAD731GE MECH, TAD731GE EDC4
-   Volvo Penta TD520GE, TD520VE
-   Volvo Penta TD720GE, TD720VE PP
-   Volvo Penta TAD420VE
-   Volvo Penta TAD532GE EDC4
-   Volvo Penta TAD550GE
-   Volvo Penta TAD551GE
-   Volvo Penta TAD560VE
-   Volvo Penta TAD561VE
-   Volvo Penta TAD620VE
-   Volvo Penta TAD650VE
-   Volvo Penta TAD660VE
-   Volvo Penta TAD732GE EDC4
-   Volvo Penta TAD733GE EDC4
-   Volvo Penta TAD734GE
-   Volvo Penta TAD750GE
-   Volvo Penta TAD751GE
-   Volvo Penta TAD752GE
-   Volvo Penta TAD753GE
-   Volvo Penta TAD754GE
-   Volvo Penta TAD761VE
-   Volvo Penta TAD762VE
-   Volvo Penta TAD763VE
-   Volvo Penta TAD764VE
-   Volvo Penta TAD765VE
-   Volvo Penta TD420VE

## Details

- **Price:** 435.03 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 435.03 AUD | In stock |

## Images

- 20796993 Cable Set | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/20796993-cable-set-genuine-volvo-penta)
> Updated: 2026-08-22