1543368 Adjusting Screw | Genuine Volvo Penta Part

🔧 Product Description

Genuine Volvo Penta adjusting screw (part number 1543368) from the Engine group, used as the threaded adjustment element at a mechanical setting point within the engine assembly. It is a small, precision-threaded component supplied individually, weighing approximately 4.5 grams. It is listed for D12 series marine diesels along with TAMD, TAD, TWD, TID and TD engine families.

🚤 Compatibility

• Engine Family: D, TWD, TID, TD, TAMD, TAD
• Year Range: Approximately late 1980s through the 2000s

Full model list at the end of this description.

⚙️ Key Features

• Genuine Volvo Penta OEM part number 1543368
• System group: Engine
• Net weight 0.005 kg (approximately 4.5 g)
• Supplied as a single screw
• Fits D12 series marine diesel engines and TAMD, TAD, TWD, TID and TD engine families
• Engine type: Volvo Penta 16-litre inline 6-cylinder four-valve diesel

🔌 Function

The adjusting screw provides the threaded means of setting and holding a mechanical clearance or position within the engine assembly. Once the correct setting is reached, the screw is secured so the adjustment remains stable in service.

⚠️ Common Signs of Failure

• Damaged, stripped or galled threads preventing accurate adjustment
• Worn, pitted or deformed contact tip on the screw end
• Setting drifts out of specification between service intervals
• Corrosion or seizing that makes the screw impossible to turn cleanly
• Rounded or damaged drive/tool interface on the screw head

🛠️ Service Notes

• Note and record the existing setting before disturbing anything, so you have a reference to return to if needed
• Release the lock nut fully before turning the screw, then reset the lock nut and re-check the setting — tightening the lock nut usually moves the adjustment
• Set to the clearance or position given in the workshop manual for your engine using the correct feeler or gauge; do not judge the setting by feel
• Inspect the tip and the threads and renew any screw with a worn, mushroomed or picked-up tip, because a worn tip makes the setting drift in service
• Never use an adjusting screw to force a component into position, and carry out a hot re-check after running if the manual for your engine calls for one

🔄 Supersession & Cross Reference

OEM / Related Numbers

• 946911 related lock nut
• 1556167 related valve caliper
• 1543441 related rocker arm
• 1543443 related rocker-arm bushing
• 1543372 related ball-ended adjusting screw
• 1543723 related nozzle / valve-train component

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D12C-A MP, D12D-A MG, D12D-A MH, D12D-A MP, D12D-B MH, D12D-B MP, D12D-C MH, D12D-C MP, D12D-D MP, D12D-E MG, D12D-E MH, D12D-E MP, D12D-F MP, D12D-G MH, D12D-G MP, D12D-H MP
• Volvo Penta TAMD162C-C, TAMD162A, TAMD162B, TAMD162C, TAMD162C-B
• Volvo Penta TID162AG, TID162AGP, TID162AP, TID162APB
• Volvo Penta TAD1241GE, TAD1241VE, TAD1241-42VE
• Volvo Penta TAD1630G, TAD1630GE, TAD1630P
• Volvo Penta TWD1630G, TWD1630P, TWD1630V
• Volvo Penta TAD1242GE, TAD1242VE
• Volvo Penta TAD1631GE, TAD1631G
• Volvo Penta TAMD163A-A, TAMD163P-A
• Volvo Penta TAMD165A, TAMD165C
• Volvo Penta TAD1240GE
• Volvo Penta TD164KAE
• Volvo Penta TWD1240VE
• Volvo Penta TWD1620G