Your engine’s performance and reliability depend on how well its internal components are maintained—and how soon they're replaced when wear begins to show. Knowing the lifespan of each part helps prevent breakdowns and saves on costly repairs.

How Long Does Each Engine Part Last?

1. Piston Rings

Piston rings can last up to 150,000 miles or around 10–12 years with proper engine maintenance and regular oil changes.

2. Camshaft

The camshaft typically lasts 8–10 years or about 100,000 miles, though poor lubrication can shorten its lifespan significantly.

3. Timing Chain

A timing chain often lasts over 150,000 miles or 12–15 years unless there’s oil starvation or tensioner failure.

4. Cylinder Head Gasket

Expect 100,000 miles or about 8–10 years from a factory-installed cylinder head gasket, assuming no overheating episodes.

5. Valve Lifters

Hydraulic valve lifters generally hold up for 80,000–120,000 miles or 7–10 years under normal conditions.

6. Oil Pump

Most oil pumps remain reliable up to 150,000 miles or about 12 years unless clogged or worn from poor oil maintenance.

Is Using OEM Engine Parts a Non-Negotiable?

Genuine engine components for your Chevrolet Suburban ensure proper fit, factory-tested durability, and long-term performance you can trust. Whether you’re replacing a valve or a timing component, OEM parts are built to meet exact specs.