20478163 Grommet | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Grommet - Part Number: 20478163

OEM closure or protective component used in the engine installation, wiring, hose or enclosure service assembly. It seals, retains or protects the designated opening and restores the original installation.

⚙️ Key Features

• Manufactured to the original Volvo Penta dimensions and installation specification

• Maintains correct fit, alignment and service access within the designated assembly

• Designed for diesel-engine heat, vibration and operating-load exposure

• Direct service replacement for a worn, damaged, missing or corroded original component

• Must be matched by part number, engine model and product/serial configuration before installation

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20478163 (OEM catalogue reference)

OEM / Related Numbers:

• Associated Volvo Penta harness, pipe, hose, cover and mounting components

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Engine installation, wiring, hose or enclosure service assembly

Typically suits:

• Engine models:

• D5A-B TA; D5A-T; D5A-TA; D7A-TA; D7A-T; TAD420VE; TAD520VE; TAD620VE; TAD720VE; TAD721VE; TAD722VE

• HP Range: Not a horsepower-selected component; verify by engine model, product number and installation

• Engine Type: Volvo Penta turbocharged diesel engine

• Year Range: Approximately late 1990s-2010s, depending on engine and installation

🔌 Function

Restores the original component function, location and operating relationship within the designated Volvo Penta assembly.

Common signs of failure:

• Oil, fuel, coolant, air or exhaust leakage at the sealed joint

• Hardening, flattening, cracking, tearing or permanent compression set

• Fluid staining, wetness or residue around the mating surfaces

• Contamination entering the protected assembly

• Leakage returning after reuse or incorrect installation of the old seal

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging