Dorman VVT Solenoid for GM, Isuzu & Hummer — Direct-Fit 917-010, Corrosion-Resistant

Dorman 917-010 is a direct-fit variable valve timing (VVT) solenoid engineered to restore proper valve timing control on compatible GM, Isuzu and Hummer engines. This replacement VVT solenoid is built to match the fit and function of the original component, offering a durable option when the factory unit needs service. Engineered from quality materials and validated through vehicle testing, the Dorman 917-010 helps re-establish the electronic control of cam phasing systems used across a variety of SUVs, trucks and crossovers. Before buying, verify fitment by entering your vehicle trim in the garage tool and checking the Confirmed Fit information.

What does this VVT solenoid do for my engine?

The VVT solenoid controls oil flow to the variable valve timing system so the engine control module can adjust camshaft position as driving conditions change. Proper operation helps the engine maintain expected timing behavior, which supports drivability and smooth idle. This unit is designed to match factory dimensions and electrical connections for straightforward replacement.

• Regulates hydraulic oil to cam phasers for timing adjustments.
• Direct-fit design for compatible GM, Isuzu and Hummer applications.
• Standard electrical connector and mounting points for easy swap.

How reliable is the Dorman 917-010 compared with the original part?

Dorman manufactures this solenoid from quality materials intended for extended service life and subjects it to on-vehicle testing to ensure correct performance. While aftermarket parts vary by maker, Dorman emphasizes fit and function so the replacement behaves like the stock solenoid in approved applications. Proper installation and verifying compatibility will help achieve consistent results.

• Constructed from corrosion-resistant materials for durability.
• On-vehicle tested to confirm fit and function across listed models.
• Backed by Dorman’s century-long history in automotive replacement parts.

Which vehicles will this VVT solenoid fit?

The Dorman 917-010 covers a range of GM-based platforms plus several Isuzu and Hummer models. Common compatible vehicles include Chevrolet Colorado and Trailblazer, GMC Canyon and Envoy variants, Buick Rainier, Oldsmobile Bravada, Saab 9-7x, Hummer H3/H3T, and various Isuzu trucks. Always confirm your exact year and trim using the site’s garage tool before purchase.

• Chevrolet: Colorado, Trailblazer, Trailblazer EXT (selected years).
• GMC: Canyon, Envoy, Envoy XL, Envoy XUV (selected years).
• Other: Buick Rainier, Hummer H3/H3T, Isuzu i-series/Ascender, Oldsmobile Bravada, Saab 9-7x.

How easy is it to install and what should I check after replacement?

Installation is typically straightforward for someone comfortable with basic engine work: unplug the connector, remove the mounting fastener, extract the old solenoid and install the new unit. After installation, clear any diagnostic trouble codes and observe the engine for normal idling and responsiveness. If a check engine light returns, re-check connectors, fitment and consult a technician if needed.

• Simple bolt and connector swap on most compatible engines.
• Clear codes and verify idle and throttle response after fitment.
• Inspect electrical connector and O-ring seal for proper seating.

Who is this for? This Dorman 917-010 VVT solenoid is intended for vehicle owners and independent mechanics who need a dependable, direct-fit replacement for original equipment on supported GM, Isuzu and Hummer models. It’s a practical option when diagnosing cam timing faults, restoring engine responsiveness, or replacing a confirmed faulty solenoid; just ensure your vehicle year and trim are confirmed in the fitment tool prior to ordering.

FAQ

Q: Will this VVT solenoid fit my vehicle?

A: Check the garage tool with your exact year and trim—this part fits many GM, Isuzu and Hummer models but requires confirmation.

Q: Can I replace the solenoid myself?

A: Yes, it’s usually a simple bolt-and-plug swap for DIYers comfortable with basic engine work; clear codes after installation.