20429371 Insulator | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta connector insulator used in D7A engine cable and fuse harnesses. It supports and electrically separates the terminals inside the compatible housing.

🚤 Compatibility

• Engine Family: D, TAD, TWD

Full model list at the end of this description.

⚙️ Key Features

• Original keyed Volvo Penta harness component
• Protects and locates electrical terminals or cable insulation
• Used in sealed engine wiring assemblies
• Must match the original connector family and pin arrangement
• Inspect seals and terminals during replacement
• Engine type: Volvo Penta electronic diesel electrical systems
• Quantity varies by assembly, most commonly six

🔌 Function

Supports, insulates, retains or seals the engine wiring harness at the assigned connector or pass-through position.

⚠️ Common Signs of Failure

• Intermittent electrical or sensor fault
• Water or corrosion inside the connector
• Broken locking or retaining feature
• Harness abrasion at the opening

🛠️ Service Notes

• Note how the insulator sits and which way round it goes before taking it out — its whole job is keeping two things apart, and it only does that fitted correctly
• Renew rather than reuse anything cracked, crushed, hardened, charred or oil-soaked; a degraded insulator has already stopped doing its job
• Fit to clean, dry faces with the original fastener arrangement, tightened only to the figure in the workshop manual for your engine — crushing an insulator defeats it
• Look for why the old one failed, since the heat, chafe, vibration or leak that finished it will do the same to the new one

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 874368 - related receptacle housing
• 3888383 - terminal cover
• 20429872 - related housing
• 20429873 - insulator cover
• 20429993 - pass-through

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D11C1-A MP, D11C3-A MP, D11C2-A MP, D11C4-A MP
• Volvo Penta TAD1341-43GE-B, TAD1341VE, TAD1341GE
• Volvo Penta TAD1344-45GE-B, TAD1344VE, TAD1344GE
• Volvo Penta TAD1640-42GE-B, TAD1640VE-B, TAD1640-42VE-C
• Volvo Penta TAD1342VE, TAD1342GE
• Volvo Penta TAD1343VE, TAD1343GE
• Volvo Penta TAD1345GE, TAD1345VE
• Volvo Penta TAD1350GE, TAD1350VE
• Volvo Penta D13C6-A MP
• Volvo Penta TAD1140-42VE
• Volvo Penta TAD1150-52VE
• Volvo Penta TAD1170-72VE
• Volvo Penta TAD1340VE
• Volvo Penta TAD1346GE
• Volvo Penta TAD1351GE
• Volvo Penta TAD1352GE
• Volvo Penta TAD1353GE
• Volvo Penta TAD1354GE
• Volvo Penta TAD1355GE
• Volvo Penta TAD1360-62VE
• Volvo Penta TAD1363-65VE
• Volvo Penta TAD1641VE-B
• Volvo Penta TAD1642VE-B
• Volvo Penta TAD1643VE-B
• Volvo Penta TAD1650VE-B/51VE
• Volvo Penta TAD1660-62VE
• Volvo Penta TAD1670-72VE
• Volvo Penta TWD1663GE