20503566 Bleeder Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta Bleeder Screw - Part Number: 20503566

This genuine Volvo Penta bleeder screw is an OEM service component used in the Fuel-Tank Bleed Point. It is manufactured to the original Volvo Penta dimensional, material and interface requirements for the documented Volvo Penta TB-series fuel-tank installations application. Technical identification: Bleeder screw/plug for the fuel-tank mounting and bleed point; Volvo Group product group 2540, function group 1515. In service, it opens a controlled bleed passage so trapped air, vapour or residual pressure can be released from the connected fuel-tank or fluid circuit, then reseals the port during normal operation. Selection must be confirmed by OEM part number 20503566, the exact model/product number, serial number and installed assembly configuration.

⚙️ Key Features

• Genuine Volvo Penta OEM bleeder screw

• OEM part number 20503566

• Documented application: Fuel-Tank Bleed Point

• Validated engine/application family: Volvo Penta TB-series fuel-tank installations

• Technical distinction: Bleeder screw/plug for the fuel-tank mounting and bleed point; Volvo Group product group 2540, function group 1515

• Primary function: Opens a controlled bleed passage so trapped air, vapour or residual pressure can be released from the connected fuel-tank or fluid circuit, then reseals the port during normal operation.

• Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 20503566 (current/original OEM service reference)

OEM / Related Numbers:

• 20503566

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Fuel-Tank Bleed Point

Typically suits:

• Engine / product models:

• TB-98817132-6

• TB-98818688-4

• TB-98817132-5

• TB-131021823-1

• TB-131021714-1

• Engine / Application Family: Volvo Penta TB-series fuel-tank installations

• Serial / Configuration Note: Select by the exact TB fuel-tank product number and tank serial/configuration; confirm the thread, seat and sealing method before installation.

🔌 Function

Opens a controlled bleed passage so trapped air, vapour or residual pressure can be released from the connected fuel-tank or fluid circuit, then reseals the port during normal operation. Confirm dimensions, thread and strength class, inspect mating threads/contact faces and tighten to the Volvo Penta torque and locking specification.

Common signs of failure:

• Fuel or fluid seepage around the screw and seat

• Air repeatedly entering the circuit after bleeding

• Blocked bleed passage preventing trapped air or pressure from escaping

• Damaged threads or head preventing correct tightening

• Hardened or damaged sealing face causing repeat leakage

📦 Condition

• Genuine Volvo Penta part

• Brand new

• Supplied in original or equivalent packaging