GM Genuine Parts®Verified to fit 36 vehicles
| Vehicle | Trim | Engine |
|---|---|---|
| 2019 Chevrolet Silverado 2500 HD | — | V8 6.6L |
| 2019 Chevrolet Silverado 3500 HD | — | V8 6.6L |
| 2019 GMC Sierra 2500 HD | — | V8 6.6L |
| 2019 GMC Sierra 3500 HD | — | V8 6.6L |
| 2018 Chevrolet Silverado 2500 HD | — | V8 6.6L |
| 2018 Chevrolet Silverado 3500 HD | — | V8 6.6L |
| 2018 GMC Sierra 2500 HD | — | V8 6.6L |
| 2018 GMC Sierra 3500 HD | — | V8 6.6L |
| 2017 Chevrolet Silverado 2500 HD | — | V8 6.6L |
| 2017 Chevrolet Silverado 3500 HD | — | V8 6.6L |
| 2017 GMC Sierra 2500 HD | — | V8 6.6L |
| 2017 GMC Sierra 3500 HD | — | V8 6.6L |
| 2016 Chevrolet Silverado 2500 HD | — | V8 6.6L |
| 2016 Chevrolet Silverado 3500 HD | — | V8 6.6L |
| 2016 GMC Sierra 2500 HD | — | V8 6.6L |
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
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GM Genuine Parts Diesel Exhaust Fluid (DEF) Tank Drain Line 84435249
Out of stock · guaranteed fit or free return
GM Genuine Parts Diesel Exhaust Fluid (DEF) Tank Drain Line 84435249
Shipping calculated at checkout · Est. arrival Sat, Oct 24 to Sat, Oct 24
Ships To:Key Features
About This Diesel Exhaust Fluid (DEF) Tank Drain Line
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- •Unusual noises from the component area
- •Decreased vehicle performance
- •Warning lights on dashboard
- •Visible wear or damage
- •Failed vehicle inspection
GM Genuine Parts
Trusted Automotive Brand
GM Genuine Parts is a trusted manufacturer of quality automotive parts.
View all GM Genuine Parts productsInstallation Guide
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The GM Genuine Parts Diesel Exhaust Fluid (DEF) Tank Drain Line (84435249) is a direct-fit replacement for 2011-2019 Chevrolet and GMC vehicles. UPC 193468077872.
About This Product
Diesel Exhaust Fluid (DEF) Tank Drain Line
The GM Genuine Parts Diesel Exhaust Fluid (DEF) Tank Drain Line (84435249) is a direct-fit replacement for 2011-2019 Chevrolet and GMC vehicles. UPC 193468077872.
This GM Genuine Parts automotive component is engineered to meet or exceed OEM specifications for reliable performance and long service life.
Key Features
- Meets or exceeds OEM specifications
- Direct-fit replacement design
- Rigorously tested for durability
- Professional-grade construction
- Backed by manufacturer warranty
Signs This Part Needs Replacement
- Unusual noises from the component area
- Decreased vehicle performance
- Warning lights on dashboard
- Visible wear or damage
- Failed vehicle inspection
Brand-first. Fitment-obsessed.
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.