Fitment Guarantee·Free Shipping $50+·Hassle Free Returns
4.9· 19,069 customers|Fit guaranteed
4.9from 19,069 verified customers
|"Perfect fit, exactly what I needed!"— John D.
GM Genuine Parts®Verified to fit 280 vehicles
| Vehicle | Trim | Engine | Notes |
|---|---|---|---|
| 2027 Buick Enclave | — | L4 2.5L | LG |
| 2027 Chevrolet Traverse | — | L4 2.5L | LG |
| 2026 Buick Enclave | — | L4 2.5L | LG |
| 2026 Buick Encore GX | — | L3 1.2L | LG |
| 2026 Buick Envision | — | L4 2.0L | LG; EMISSION SYSTEM(NLB) |
| 2026 Buick Envista | — | L3 1.2L | LG |
| 2026 Cadillac CT4 | — | L4 2.0L | LG |
| 2026 Cadillac CT4 | — | V6 3.6L | LG |
| 2026 Cadillac CT5 | — | L4 2.0L | LG |
| 2026 Cadillac Escalade | — | V8 6.2L | LG; LARGE O-RING |
| 2026 Cadillac Escalade ESV | — | V8 6.2L | LG; LARGE O-RING |
| 2026 Chevrolet Silverado 1500 | — | L4 2.7L | LG; LARGE O-RING |
| 2026 Chevrolet Silverado 1500 | — | L6 3.0L | LG; LARGE O-RING |
| 2026 Chevrolet Silverado 1500 | — | V8 5.3L | LG; LARGE O-RING |
| 2026 Chevrolet Silverado 1500 | — | V8 6.2L | LG; LARGE O-RING |
WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, known to the State of California to cause cancer and reproductive harm. Service the vehicle in a well-ventilated area, wear gloves, and wash your hands. See www.P65Warnings.ca.gov/motor-vehicle-parts
Guaranteed fit — or free return
Currently out of stock
If a part we confirmed for your vehicle does not fit, we cover the return shipping and refund you in full. That is the fitment guarantee.
Nobody likes buying a part that turns out to be wrong. So if it doesn't fit, send it back for a full refund at no cost to you — return shipping is on us — and we'll help you get the right one.
Every part is covered for 24 months. Many brands add their own manufacturer warranty on top.
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We do not list every part on earth — just the brands automakers actually trust. And we use AI to double-check not just the fitment but the product details on every listing, because we hate buying the wrong part as much as you do.
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We're obsessed with fitment
Year, make, model, trim, engine — plus the fine print most sites skip — so it fits the first time.
Search any part number
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GM Genuine Parts Vapor Canister Purge Valve Seal 12814342
Out of stock · guaranteed fit or free return
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Call for Price
888-477-2530Our parts specialists are ready to help you find the best price.
Shipping calculated at checkout · Est. arrival Sat, Oct 24 to Sat, Oct 24
Ships To:This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
View all GM Genuine Parts productsThe GM Genuine Parts Vapor Canister Purge Valve Seal (12814342) is a direct-fit replacement for 2019-2027 Chevrolet, GMC, Cadillac and 1 other make. UPC 198824409700.
Vapor Canister Purge Valve Seal
The GM Genuine Parts Vapor Canister Purge Valve Seal (12814342) is a direct-fit replacement for 2019-2027 Chevrolet, GMC, Cadillac and 1 other make. UPC 198824409700.
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
We only sell brands automakers trust, and we double-check the fit on every listing.
Top curated brands only
The brands automakers put on the car.
Obsessed with fitment
Year, make, model, trim, engine, plus the fine print.
Search any part number
Your old part, a competitor, or the dealer #. We confirm the match.
Shop owner? Get BuffyPro business pricing
Fitment Obsessed
Every part checked against your exact year, make, model, trim, and engine.
Wrong Fit? On Us.
Free return shipping, no restocking fee — the fitment guarantee.
Brands OEMs Trust
The names automakers actually put on the car.
Millions of Parts, One Promise
If we say it fits, it fits.
