# 21861042 Service Kit | Genuine Volvo Penta Part

🔧 Product Description

  

Genuine Volvo Penta TAD13 SCR Differential-Pressure Hose and Pipe Service Kit - Part Number: 21861042

  

A genuine Volvo Penta service package for the SCR muffler differential-pressure sensing circuit on selected TAD13 generator engines. The hoses and pipes carry pressure from the exhaust aftertreatment system to the differential-pressure sensor so restriction and SCR operation can be monitored.

  

⚙️ Key Features

  

• Genuine SCR differential-pressure plumbing package

• For TAD1380GE, TAD1381GE and TAD1382GE

• Heat-resistant exhaust-pressure hose and pipe arrangement

• Restores accurate aftertreatment pressure measurement

• Routing and connection order must match the engine diagram

  

📋 Kit Contents

  

• Complete SCR differential-pressure hose and pipe assembly - Volvo Penta 21861042

• Matched pressure hoses, formed pipe sections and connection hardware are serviced as kit 21861042; separate internal kit numbers are not published in the indexed catalogue

• Differential-pressure sensor and SCR muffler are separate components unless specifically supplied

  

🔄 Supersession & Cross Reference

  

OEM Supersession Chain:

  

• 21861042 current Volvo Penta SCR service-kit reference

  

OEM / Related Numbers:

  

• TAD1380-82GE SCR dP hose and pipe group

• SCR muffler and differential-pressure sensor are related separate components

  

Aftermarket / Verified Equivalents:

  

• No aftermarket equivalent

  

🚤 Compatibility

  

Commonly used on:

  

• Selective catalytic reduction exhaust aftertreatment systems

• Differential-pressure measurement across the SCR / muffler assembly

  

Typically suits:

  

• Engine / drive models:

• TAD1380GE

• TAD1381GE

• TAD1382GE

  

• HP Range: Generator rating dependent, approximately 450HP-700HP

• Engine Type: Volvo Penta inline 6-cylinder 13-litre Stage V / emissions-controlled generator diesel

• Year Range: Approximately late 2010s onward

• Serial Range: Aftertreatment version, engine serial and sensor-hose routing controlled

  

🔌 Function

  

The kit transmits exhaust pressure to the differential-pressure sensor, allowing the control system to detect restriction and monitor aftertreatment performance.

  

Common signs of failure:

  

• SCR differential-pressure fault codes

• Hoses are heat-damaged, split or blocked

• Condensation or soot blocks the pressure line

• Sensor readings are implausible or unstable

• Exhaust leakage is visible around the fittings

  

📦 Condition

  

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging

## Details

- **Price:** 223.44 AUD
- **Vendor:** Volvo Penta
- **Tags:** Volvo Penta

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 223.44 AUD | In stock |

## Images

- 21861042 Service Kit | Genuine Volvo Penta Part

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> Source: [Sawley's Auto and Marine](https://www.sawleysautoandmarine.com.au/products/21861042-service-kit-genuine-volvo-penta)
> Updated: 2026-07-29