21939134 Wiring Harness | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta wiring harness running from the engine to the SCR control unit, 5000 mm long, listed for 41 applications across D, TAD, TWD and TADH series engines. The 5000 mm length is what distinguishes it from the otherwise identical 3000 mm and 7000 mm versions.

🚤 Compatibility

• Engine Family: D, TAD, TWD, TADH

Full model list at the end of this description.

⚙️ Key Features

• 5000 mm long
• 1.238 kg
• Runs from the engine to the SCR control unit
• Listed for 41 applications across D, TAD, TWD and TADH series engines
• Otherwise identical to 3000 mm 21939133 and 7000 mm 21939135
• L=5000mm (Volvo assembly listing)

🔌 Function

Carries the supply and data circuits between the engine and the SCR control unit over the length of that run.

⚠️ Common Signs of Failure

• Aftertreatment warnings, or the engine derating
• Faults that appear and clear as the loom is moved or the engine warms
• Connector pins corroded, bent or pushed back
• Sheath chafed or crushed where it passes a bulkhead or bracket
• Broken conductor or failed screen found on continuity testing

🛠️ Service Notes

• Measure the run before ordering - length is the only thing separating this from 21939133 at 3000 mm and 21939135 at 7000 mm
• Clip the cable clear of hot and moving parts and leave a service loop at each end

🔄 Supersession & Cross Reference

Other-Brand OEM Numbers

• VOE21939134

Aftermarket / Verified Equivalents

• Related SCR extension harnesses: 21883891 and 21883893

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D13C3-B MH, D13C1-B MH, D13C4-B MH, D13C4-B MP, D13C5-B MP, D13C1-A MH, D13C2-A MH, D13C3-B MG, D13C4-B MG, D13C5-A MP, D13C2-A MG, D13C1-A MG, D13C7-B MP, D13C8-B MP
• Volvo Penta D16C1-E MG, D16C2-E MG, D16C1-E MH, D16C2-E MH, D16C1-F MH, D16C1-F MG
• Volvo Penta D8A6-A MH, D8A6-A MG
• Volvo Penta TAD570-72VE, TAD570-71VE-B
• Volvo Penta TAD880-82GE, TAD880-84VE
• Volvo Penta TADH880-82GE, TADH880-84VE
• Volvo Penta TWD1683GE-B, TWD1683VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1180-83VE
• Volvo Penta TAD1371-75VE
• Volvo Penta TAD1380-82GE
• Volvo Penta TAD1381-85VE
• Volvo Penta TAD1384-85VE-IWP
• Volvo Penta TAD1670-72VE
• Volvo Penta TAD580-83VE
• Volvo Penta TAD870-73VE
• Volvo Penta TWD1672-1673GE
• Volvo Penta TWD1682-83GE