1556430 Piston Cooling Jet | Genuine Volvo Penta Part

🔧 Product Description

This genuine Volvo Penta piston cooling jet is an engine-lubrication and piston-cooling service component used in the piston-cooling oil circuit. It is manufactured to the original Volvo Penta dimensions and interface requirements so calibrated oil flow and pressure are maintained through the lubricating circuit. Maintains the revised OEM service configuration. In service, it directs a calibrated jet of engine oil at the underside of the piston for cooling and lubrication. Fitment is controlled by the exact engine or product configuration and serialised parts list; confirm OEM number 1556430 against the installed assembly before ordering.

🚤 Compatibility

• Engine Family: TWD, TID, TD, TAMD, TAD
• Serial Range: SNXXXXXXXXXX/12629-

Full model list at the end of this description.

⚙️ Key Features

• OEM Volvo Penta part number 1556430
• System group: Lubricating and Oil System
• Net weight approximately 0.048 kg
• Replaces earlier part number 1543745
• Superseding the earlier jet requires one each of 1556430 and 1556434
• Fits 16-litre TAMD, TAD, TWD, TID and TD series engines
• 6 used per assembly

🔌 Function

The piston cooling jet directs a targeted spray of pressurised lubricating oil at the underside of the piston to remove heat and control piston crown temperature. It also assists in lubricating the piston and cylinder assembly during running.

⚠️ Common Signs of Failure

• Blocked or restricted nozzle causing reduced oil spray and piston overheating
• Cracked or broken jet body leading to loss of oil pressure
• Loose or damaged mounting causing misdirected spray
• Low oil pressure readings with no other identified cause
• Piston crown scuffing, seizure or heat damage found during engine inspection

🛠️ Service Notes

• Check the nozzle bore and the oil feed passage in the block are clear before fitting — gasket residue, sealant and carbon block these jets and a blocked jet lets piston temperature run away
• Handle the jet carefully and do not bend, straighten or reshape the nozzle tube to make it fit; a bent or cracked nozzle sprays in the wrong place and must be replaced, not corrected
• Fit the jet square on its locating dowel or spigot so it sits in the position the workshop manual for your engine shows, and tighten to the figure given there
• With the jet in place, bar the engine over by hand and check the nozzle clears the piston skirt and connecting rod through the full stroke
• Renew jets whenever pistons or liners are disturbed and the engine has run dirty or with extended oil changes, and confirm oil is delivered at each jet before the engine is loaded

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 1556430 → Supersedes 1543745

OEM / Related Numbers

• 1543745 earlier number superseded by this part
• 1556434 related reference

Aftermarket / Verified Equivalents

• DT Spare Parts 2.10173

📦 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 TID162AG, TID162AGP, TID162AP, TID162APB
• Volvo Penta TAD1630G, TAD1630GE, TAD1630P
• Volvo Penta TAMD165A, TAMD165C, TAMD165P
• Volvo Penta TWD1630G, TWD1630P, TWD1630V
• Volvo Penta TAD1631GE, TAD1631G
• Volvo Penta TAMD163A-A, TAMD163P-A
• Volvo Penta TD164KAE
• Volvo Penta TWD1620G