21985888 Heat Shield | Genuine Volvo Penta Part

🔧 Product Description

Exhaust-side heat shield used on D3 inboard installations. It matches the inboard exhaust-pipe routing and protects nearby hoses, wiring and engine-cover components from radiant heat.

🚤 Compatibility

• Engine Family: D
• HP Range: 110-220 HP

Full model list at the end of this description.

⚙️ Key Features

• Application-shaped thermal barrier
• Protects hoses, wiring and surrounding components
• Uses the original mounting points and clearances
• Designed for sustained exhaust-side temperatures
• Correct position is essential to heat management

🔌 Function

Reduces radiant and conducted heat transfer from the exhaust or turbocharger area to adjacent wiring, hoses, covers and service-access zones.

⚠️ Common Signs of Failure

• Cracking around mounting points
• Heat discoloration of nearby components
• Rattling or contact with the exhaust assembly
• Burnt wiring, hose hardening or damaged insulation

🛠️ Service Notes

• Fit heat shields before anything else is routed near the exhaust, and check there is clear air space between the shield and every hose, cable, fuel line and belt
• Renew any insulation, gaskets, spacers or standoffs supplied with the shield; a shield clamped flat onto a hot surface loses much of its effect
• Tighten the fixings evenly and only to the figure in the workshop manual for your engine — the tabs and brackets are thin and distort easily
• Never run the engine with a shield missing or loose: bare exhaust surfaces are a fire risk in an engine space and a burn risk to anyone working alongside
• Check the shield and its fasteners whenever the exhaust is disturbed, as vibration works them loose and a rattling shield soon cracks at its mounting tabs

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 21985888 → Supersedes 21233709

OEM / Related Numbers

• 21233709 earlier number superseded by this part
• 21181763 - related D3-110I-D exhaust pipe
• 1140667 - related hose
• 21202798 - related hose
• 21985884 - companion heat shield

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

• Volvo Penta D3-220I-G, D3-140I-D, D3-140I-E, D3-140I-F, D3-140I-G, D3-110I-D, D3-150I-D, D3-170I-D, D3-200I-D, D3-220I-D, D3-110I-E, D3-150I-E, D3-170I-E, D3-200I-E, D3-220I-E, D3-110I-F, D3-150I-F, D3-170I-F, D3-200I-F, D3-220I-F, D3-110I-G, D3-150I-G, D3-170I-G, D3-200I-G, D3-110I-H, D3-150I-H, D3-170I-H, D3-200I-H, D3-220I-H, D3-140I-H