058 121 058R – Oil Cooler Hose

Description

The 058 121 058R oil cooler hose connects the cylinder block to the water pipe, supporting proper coolant circulation through the engine’s thermal management system. By routing coolant to and from the oil cooler, this hose helps regulate oil temperature and protects internal engine components from heat-related wear.

Rubber hoses degrade over time due to constant heat cycles, pressure fluctuations, and chemical exposure. As a result, soft spots, surface cracks, or collapsed sections can develop, restricting coolant flow and increasing the risk of overheating.

Why the 058 121 058R Oil Cooler Hose Matters

Consistent coolant flow through the oil cooler circuit is essential for maintaining safe oil temperatures under load. When this hose deteriorates, coolant flow becomes restricted or interrupted. Consequently, oil temperatures rise, accelerating wear on bearings, seals, and other lubricated components.

Replacing a worn hose with an OEM-grade unit restores proper flow and protects the cooling and lubrication systems simultaneously. Furthermore, addressing hose wear early prevents the more costly repairs that follow an overheating event.

Signs Your Oil Cooler Hose Needs Replacing

Inspect the hose and surrounding area if you notice any of the following:

• Visible cracks, swelling, or soft spots along the hose surface.

• Coolant residue or dried deposits near the hose connections.

• Coolant loss without an obvious external source.

• Rising engine temperature during normal driving conditions.

• Collapsed or kinked hose restricting flow.

• Hose feels excessively hard or brittle when squeezed.

First, pressure-test the cooling system to confirm the source of any leak. Then inspect all hose connections and clamps before completing the repair.

Key Features

• OE Part Number: 058 121 058 R

• Function: Routes coolant between the cylinder block and the water pipe through the oil cooler circuit.

• Material: High-temperature, chemical-resistant rubber engineered for engine cooling applications.

• Direct Fit: Manufactured to match factory dimensions and connection geometry.

• Direct Replacement: Installs without modifications.

• Cross Reference: V10-4673

Compatibility & Applications

Always verify fitment by VIN before ordering.

Cross Reference Numbers

• 058 121 058 R

• 058121058R

• 058-121-058-R

• 058.121.058.R

• V10-4673

Additional information