Store and manage fuel vapor from the tank with the Standard Ignition Vapor Canister CP3737. This charcoal (carbon) canister is a key part of the evaporative emission (EVAP) system, capturing fuel vapor and holding it until it is drawn to the engine. It installs as a direct-fit OE replacement for the 2015-2016 Chevrolet Colorado and 2015-2016 GMC Canyon in both L4-2.5L and V6-3.6L configurations.
- Direct-fit OE replacement: OE-matched connector and terminals for correct performance and easy installation.
- Durable housing: designed to withstand temperature fluctuations and exposure to chemicals and debris.
- Charcoal filter media: the filter element is included; the charcoal adsorbs fuel vapor as part of the EVAP circuit.
- GM-focused engineering: engineered for higher-mileage GM vehicles and tested in the lab and on vehicles so the complex evaporative emission system operates as the OE intended.
Details: black finish, 3 ports, and a single rectangular female connector with two male blade terminals. Country of origin: Mexico.
Interchange: CP1901 · VC4777 · 2-70597 · 270597 · 23456555 · 84065745 · 84835955 · 85157110 · Manufacturer part number CP3737.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does this vapor canister do?
It is a charcoal canister in the EVAP system. Its charcoal adsorbs fuel vapor from the tank and holds it until the engine draws it in through the purge circuit, rather than venting it to the atmosphere.
Which vehicles does the CP3737 fit?
It is a direct-fit replacement for the 2015-2016 Chevrolet Colorado and 2015-2016 GMC Canyon, in both the L4-2.5L and V6-3.6L engines. Confirm your vehicle in the Buyer's Guide tab.
Does it include the charcoal filter element?
Yes. The filter element is included and uses charcoal filter media.
What are signs this canister may need replacing?
A fuel odor, an EVAP-related check engine light, or trouble at refueling can be signs. These can have other causes, so diagnose the system first; if the canister is the fault, this replaces it.
How many ports and terminals does it have, and where is it made?
It has 3 ports and a single rectangular female connector with two male blade terminals. Country of origin: Mexico.
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