GM GENUINE PARTS PCV Valve Hose 93441238 — OE-Fit Replacement Hose, Durable Engine-Grade

GM Genuine Parts 93441238 is the original-equipment replacement Positive Crankcase Ventilation (PCV) valve hose engineered to restore proper crankcase ventilation and OE fit on compatible GM vehicles.

Designed, engineered and validated by General Motors, this PCV valve hose replaces the factory-installed line with a part manufactured to GM OE specifications. It delivers the same form, fit and function expected from an OEM component and is intended for use where the factory hose has become cracked, hardened, or otherwise unsuitable. Backed by GM Genuine Parts quality, the hose fits vehicle-specific routing and connection points so installation is straightforward for professional mechanics and experienced DIYers.

How does this PCV hose match my vehicle’s original part?

The 93441238 hose is produced to the exacting standards GM uses for original equipment, so dimensions, material grade and connector ends match the factory component. That reduces the need for adapters or modifications during installation.

• Manufactured to GM OE specifications for correct fit and routing
• Connector ends sized to mate with factory valves and intake ports
• Material chosen to withstand typical engine temperatures and oils

When should I replace the PCV valve hose?

Replace the hose if you find hardening, cracks, oil leaks, or a loose connection. Symptoms like rough idle, elevated oil consumption, or check engine codes related to crankcase ventilation may also indicate a failing hose.

• Visible cracks, splits or brittleness along the hose length
• Oil seepage at hose ends or along the surface
• Loose fittings or collapsed sections that restrict airflow

What are the practical benefits of choosing the GM Genuine Parts hose?

Using a GM Genuine Part ensures compatibility with GM engine systems and helps maintain original performance and emissions behavior. The hose is backed by GM engineering validation, which simplifies troubleshooting and future service.

• OE-grade quality reduces fitment issues and rework
• Durable construction for long-term service life under normal conditions
• Direct replacement reduces installation time for mechanics

Can I install this hose myself and what should I check during installation?

Many owners with moderate mechanical skills can replace the PCV hose using common hand tools. During installation, verify that clamps are secure, routed away from hot or moving parts, and that mating surfaces are clean for a leak-free connection.

• Confirm vehicle compatibility and remove any obstructing components
• Inspect mating ports for residue or damage before fitting the new hose
• Use new clamps or torque existing clamps to manufacturer recommendations

Who is this for: This GM Genuine Parts 93441238 PCV valve hose is intended for GM vehicle owners, independent repair shops and fleet service centers that want an OEM-quality replacement. It’s suited to anyone seeking a direct-fit, GM-backed part to restore proper crankcase ventilation, prevent oil leaks, and maintain engine performance without aftermarket fitment issues. If your vehicle’s factory hose shows signs of wear or your technician recommends replacement during routine service, this GM Genuine Parts hose provides a like-for-like solution validated by General Motors.