20749399 Oil Cooler | Genuine Volvo Penta Part
20749399 Oil Cooler | Genuine Volvo Penta Part
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🔧 Product Description
Brand-new genuine Volvo Penta engine-oil cooler for selected D12/TAD12/TWD12 installations. The seven-row cooler core transfers heat from the lubricating oil to the engine coolant while keeping the two fluids separated. It is supplied as the cooler element; sealing ring, covers, gaskets, plugs and fasteners are separate unless expressly included.
🚤 Compatibility
Typically suits:
- Volvo Penta TWD1240VE
- Volvo Penta TAD1241GE
- Volvo Penta TAD1242GE
- Volvo Penta TAD1250VE
- Volvo Penta TAD1251VE
- Volvo Penta TAD1252VE
- Volvo Penta TAD1250-52VE
- Volvo Penta TAD1240GE
- Volvo Penta TAD1241VE
- Volvo Penta TAD1242VE
- Volvo Penta TAD1241-42VE
- Engine Family: TWD, TAD
⚙️ Key Features
- Genuine seven-row oil-cooler core
- Approximate dimensions 410 × 125 × 44 mm
- Maintains controlled engine-oil temperature
- Direct fit within the original oil-cooler housing
- Cooler element only; seals and housing components are separate
- Engine type: 12-litre inline six-cylinder heavy-duty diesel
🔌 Function
Removes excess heat from engine oil through the coolant circuit, preserving oil viscosity and protecting bearings, pistons and turbocharger lubrication.
⚠️ Common Signs of Failure
- Engine oil running hotter than normal
- Oil appearing in the coolant reservoir
- Coolant contamination or unexplained coolant loss
- Low oil pressure after warm-up
- External leakage at the cooler seals or housing
🛠️ Service Notes
- Fit new O-rings, seals and gaskets throughout, lubricated lightly with clean oil so they seat rather than roll, and clean both mating faces first
- After a cooler that has leaked internally, change the engine oil and filter and flush the oil side — water or coolant contaminated oil must not be left in the engine
- Deal with the cause on the raw water side as well: clean the strainer and hoses, check the sea water pump impeller for missing vanes, and check the anodes where the installation has them
- A cooler being reused or investigated can be pressure tested on the water side to confirm whether it is sound before it goes back on
- Refill and bleed the oil and cooling systems, run the engine and then recheck every joint once hot, when the seals are at working temperature and pressure
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 20749399 → Supersedes 8130186
OEM / Related Numbers
- 8130186 earlier number superseded by this part
Other-Brand OEM Numbers
- VOE20749399
- Renault 7408130186
- Renault 7408170816
- MAHLE: CLC 211 000P
- Pierburg/Rheinmetall: 20 1904 12001
- Nissens: 90764
- Valeo: 811802
- Valeo: 811803
Aftermarket / Verified Equivalents
- BF: 20190412001
- Trucktec Automotive: 03.18.011
- OE Germany: 031820D12000
- AKS Dasis: 286002N
- febi Bilstein: 48774
- NRF: 31201
- DT Spare Parts: 2.11089
- Highway Automotive: 30057901
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
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