1543577 Sealing Ring | Genuine Volvo Penta Part

🔧 Product Description

This is a genuine Volvo Penta sealing ring from the lubricating and oil system group, used to seal a joint face or connection point within the engine's oil circuit. It is specified for engines in the original, non-rebuilt configuration identified by the applicable serial-number breakpoint, so confirm the engine build before ordering. It suits the TWD, TID, TD, TAD and TAMD 16-series industrial and marine diesel engines.

🚤 Compatibility

• Engine Family: TWD, TID, TD, TAMD, TAD
• Serial Range: up to serial 24314 or not rebuilt engines.

Full model list at the end of this description.

⚙️ Key Features

• OEM Volvo Penta part number 1543577
• System group: Lubricating and Oil System
• Applies to engines in non-rebuilt configuration per the applicable serial-number breakpoint
• Fits TWD1620G/1630, TID162, TD164, TAD1630/1631 and TAMD162/163/165 series diesel engines
• Net weight: 0.027 kg
• Engine type: Volvo Penta heavy-duty inline-six diesel engine
• Quantity varies by assembly, most commonly one

🔌 Function

The sealing ring closes the gap between two mating components in the engine's lubrication circuit, preventing oil from leaking past the joint. It maintains oil pressure and keeps contaminants out of the sealed connection.

⚠️ Common Signs of Failure

• Visible oil seepage or wet residue around the sealed joint
• Dropping oil level or low oil pressure readings
• Hardened, flattened or cracked ring removed at service
• Oil misting or spray around the connection under running pressure
• Repeated need to top up oil between service intervals

🛠️ Service Notes

• Always fit a new sealing ring rather than reusing the old one — a ring that has been compressed once has taken a set and will not seal reliably a second time
• Clean the groove or seat and check it for scoring, corrosion and old sealant before fitting; a mark across the sealing face will leak however good the ring is
• Ease the ring into place without stretching, twisting or dragging it over sharp edges or threads, and check it is seated squarely all the way round before closing the joint
• Do not add sealant or jointing compound unless the workshop manual for your engine calls for it, and tighten the joint or union to the figure given in that manual
• Check the joint for weeping once the engine has been run up to temperature and allowed to cool, as many sealing rings only show a leak after a heat cycle

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 1543608 - Oil valve housing
• 1543611 - Oil-pressure reduction spring
• 1543615 - Oil-cooler bypass spring
• 1543610 - Oil valve peg
• 1543964 - Oil valve seat
• 3826150 - Later oil-filter housing
• 3826373 - Later oil-filter housing

Aftermarket / Verified Equivalents

• SLP: EPL-577

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta TAMD162C-C, TAMD162A, TAMD162B, TAMD162C, TAMD162C-B
• Volvo Penta TAD1630G, TAD1630GE, TAD1630P, TAD1630PB
• Volvo Penta TID162AG, TID162AGP, TID162AP, TID162APB
• Volvo Penta TWD1630G, TWD1630P, TWD1630PP, TWD1630V
• Volvo Penta TAMD165A, TAMD165C, TAMD165P
• Volvo Penta TAD1631GE, TAD1631G
• Volvo Penta TAMD163A-A, TAMD163P-A
• Volvo Penta TD164KAE
• Volvo Penta TWD1620G