Choosing the right evaporative emissions vent solenoid helps maintain proper EVAP system pressure, improve emissions control, and support fuel efficiency. This guide compares five compatible options, all selected for common American vehicles and aftermarket readiness. Each product section provides key features, fitment notes, and practical considerations to aid a straightforward replacement decision.
| Product | Brand | Key Benefit | Fitment Focus |
|---|---|---|---|
| Dorman 911-064 Vapor Canister Vent Solenoid | Dorman | Direct replacement, plug-and-play | Various Cadillac/Chevrolet/GMC models |
| HY-SPEED Evaporative Emissions Vent Valve | HY-SPEED | OE-style compatibility | Extensive Nissan/GM/Honda-style ranges |
| GM Genuine Parts 12737252 EVAP Purge Solenoid | GM Genuine Parts | OE design validation | GM lineup (Chevrolet/Buick/GMC/C Cadillac) |
| MOTOALL CVS34 911-237 Vent Solenoid | MOTOALL | Multiple part-number compatibility | Chevy Silverado, GMC Sierra through 2010s |
| NewYall EVAP Vent Solenoid with Filter Plug Wiring Harness | NewYall | Integrated harness/filters | Chevy/GMC/GM trucks and many GM-era applications |
Dorman 911-064 Vapor Canister Vent Solenoid

The Dorman 911-064 is designed as a direct replacement for select Cadillac, Chevrolet, and GMC models. It emphasizes plug-and-play installation with minimal wiring modifications, aligning with typical OE performance. The unit is constructed from quality materials intended for a long service life, reflecting Dorman’s century-long experience in automotive parts. This solenoid aims to restore proper venting in the EVAP system, supporting emission control and preventing related check-engine light concerns.
HY-SPEED Evaporative Emissions Vent Valve 911-503

The HY-SPEED 911-503 vent valve solenoid is designed to fit various EVAP systems, offering compatibility with multiple Nissan/GM-era models and related purge valve references. It lists a broad OE-number cross-reference, including connections to Dorman 911-503 and similar parts. This option is positioned for users who need flexible fitment across vehicle lines while maintaining the fundamental function of venting and purge control in the EVAP system.
GM Genuine Parts 12737252 EVAP Purge Solenoid

GM Genuine Parts 12737252 represents OE design validation for GM vehicles. The packaging and part lineage emphasize compatibility with Chevrolet, Buick, GMC, and Cadillac models. While OE-focused, it’s intended to meet factory performance specifications and material choices, aligning with vehicle longevity and emissions compliance expectations that GM engineers endorse.
MOTOALL CVS34 911-237 Vent Solenoid

The MOTOALL CVS34 911-237 vent solenoid targets a broad set of Chevy Silverado and GMC Sierra models from the mid-2000s through later years. Its listing emphasizes cross-reference compatibility with numerous part numbers, suggesting utility for owners replacing an original part that may have multiple OE equivalents. Installation notes indicate a focus on restoring EVAP venting and purge control performance.
NewYall EVAP Vent Solenoid with Filter Plug Wiring Harness

This NewYall kit includes a wiring harness and filter-plug configuration intended for an array of GM-era trucks and cross-application vehicles. The feature highlights emphasize integrated filtering and harness assembly, reducing the need for additional wiring purchases. It is positioned to support efficient installation while maintaining EVAP venting performance across multiple GM models.
Buying Guide: Key Considerations for EVAP Vent Solenoids
- Vehicle compatibility and OE cross-references: Confirm fitment using your exact make, model, year, and engine. Some parts list extensive OE cross-refs, which can help in finding a suitable substitute if the original is discontinued.
- OE vs aftermarket: OE parts (like GM Genuine) typically emphasize exact materials and engineering validated by the automaker. Aftermarket options may offer broader compatibility or lower price, but verify quality and warranty terms.
- Installation approach: Direct replacements with plug-and-play wiring save time and reduce the risk of wiring mistakes. Complex harness configurations, like those in some NewYall sets, may require additional steps during installation.
- Cross-reference networks: Parts that reference multiple numbers (e.g., Dorman 911-503/911-237 in the HY-SPEED listing) can be a practical option for owners replacing multiple components or performing repairs on vehicles with shared platforms.
- Quality and materials: Look for durable housings and reliable seals to withstand exposure to fuel vapors and ambient conditions. A long service life reduces the likelihood of recurring EVAP issues.
- Warranty and return policy: Consider parts that offer a reasonable warranty period. This provides recourse if the replacement does not perform as expected.
- Emissions compliance: Ensure the replacement maintains proper EVAP function to avoid diagnostic trouble codes related to fuel vapor management and to support regulatory compliance.
- Component inclusions: Some kits include wiring harnesses or filters. Evaluate whether these extras address existing gaps in your setup or simply add unnecessary components for your specific vehicle.
- Professional vs DIY: If unsure about EVAP system diagnostics or calibration, professional installation can ensure correct operation and reduce the risk of leaks or misrouting in the vent lines.