Mercedes-Benz W176 A220 CDI (OM651) Oil Pump | Genuine OEM Replacement

Description

On the OM651 engine, consistent oil pressure is the only thing standing between reliable performance and a catastrophic engine failure. The oil pump is responsible for circulating lubricant to the high-load components, including the turbocharger, crankshaft bearings, and the timing chain tensioner. If your oil pressure is dropping, or if you are hearing a persistent “ticking” noise from the top of the engine (a sign of failing hydraulic lifters due to lack of pressure), your oil pump may be worn.

Our workshop-vetted original oil pumps are the professional solution to ensure your engine receives the constant, pressurized flow of oil required to prevent metal-on-metal friction.

• Factory-Spec Flow Rate: Calibrated to match the OM651’s specific lubrication requirements, ensuring that even the most remote oil galleries (like those for the hydraulic lifters) are properly fed.

• Pressure Stability: Prevents the “pressure drops” that often trigger low-oil-pressure dashboard warnings at idle or when the engine is at operating temperature.

• Condition: Premium workshop-vetted original component; verified for clean internal gear movement, zero cavitation wear, and pressure-relief valve responsiveness.

Signs Your OM651 Oil Pump is Failing:

• Low Oil Pressure Warning: A red “Low Oil Pressure” light appears on the dash, especially when the engine is warm and idling.

• Ticking/Clattering Noise: A rhythmic ticking sound from the cylinder head indicates that the hydraulic lifters aren’t receiving enough oil.

• Turbocharger Whine: A failing oil pump can starve the turbocharger of lubrication, leading to early shaft failure and bearing noise.

• Sluggish Engine Response: As oil pressure regulates variable valve timing or cam phaser systems (where applicable), a weak pump can cause the engine to feel sluggish or “lazy.”

Workshop Pro-Tip: Never replace an oil pump without also checking the condition of the oil pickup screen (strainer). On the OM651, sludge build-up in the sump can clog the pickup screen, which will starve even a brand-new oil pump of oil, causing it to fail immediately. Always drop the oil pan, clean the pickup strainer thoroughly, and check for metal debris in the sump before installing your new pump. Using the correct MB 229.51/229.52 spec oil is also mandatory to prevent future sludge formation!

Key Features:

• Perfect Compatibility: Designed specifically for the W176 A220 CDI (OM651) engine layout.

• Engine Protection: Ensures critical lubrication for the turbo and crankshaft, extending your engine’s service life.

• Quality Assured: Tested for build quality and pressure-relief valve integrity.