038 919 081H – SWITCH

Description

The 038919081H Pressure Switch is an OEM-quality replacement that monitors engine oil pressure. This 038919081H Pressure Switch activates the dashboard oil warning light when pressure falls below the required level. Consequently, it gives the driver an important early warning of a possible lubrication problem.

The switch mounts on the engine block or oil filter housing, depending on the application. Furthermore, it uses a durable housing and OEM-style electrical connector to withstand heat, vibration, and oil exposure. Therefore, replacing a faulty switch helps restore accurate oil-pressure warning operation and supports reliable engine protection.

Why the 038919081H Pressure Switch Matters

Engine oil creates a protective film between internal moving components. Proper oil pressure helps protect bearings, camshafts, turbocharger components, and other lubricated parts. However, low pressure can quickly lead to metal-to-metal contact and severe engine damage.

A failing switch can create false dashboard warnings or fail to report a genuine pressure problem. Consequently, the driver may ignore an important lubrication issue or replace parts unnecessarily. Installing a new 038919081H Pressure Switch restores dependable warning-light operation and supports timely diagnosis of oil system concerns.

Signs of Failure

Inspect the oil pressure switch if you notice any of these conditions:

• Oil pressure warning light flickers or remains illuminated.

• Oil warning appears even after confirming the oil level is correct.

• No oil warning appears during a confirmed low-pressure condition.

• Intermittent warning messages while driving or idling.

• Oil leakage around the switch body or electrical connector.

• Wiring contamination from oil entering the connector area.

Key Features — 038919081H Pressure Switch

• OE Part Number: 038 919 081 H

• Function: Monitors engine oil pressure and controls the warning light.

• Location: Installs on the engine block or oil filter housing.

• Construction: Heat-resistant and oil-resistant housing.

• Connection: Direct-fit OEM-style electrical connector.

• Protection: Helps alert the driver to possible low oil pressure.

Service Notes

Always verify fitment by VIN before ordering. First, check the actual oil level and engine condition before replacing the switch. A warning light can indicate a faulty switch, wiring fault, clogged pickup tube, oil pump problem, or low oil level.

Compatibility

Always verify fitment by VIN before ordering. Compatibility depends on the engine code, oil filter housing design, and original pressure switch specification.

Cross Reference Numbers

• 038 919 081 H

Additional information